JP2012232026A - Game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a game machine that improves work efficiency in replacing a board in an image display unit.SOLUTION: A liquid crystal unit includes: a liquid crystal display device 50 having a liquid crystal display panel displaying an image, and a liquid crystal panel case 53 storing and holding the liquid crystal display panel; a performance control board 90 controlling operation of a game component together with display of the image on the liquid crystal display panel as control of a performance corresponding to game development; a performance interface board 140 electrically connecting the performance control board and the game component; and a bottom case 160 including the performance control board and the performance interface board detachably mounted thereon. The performance control board, an image control board 100 and the performance interface board are installed on the rear face side of the bottom case. They are integrally assembled as a subassembly. The subassembly is detachably mounted on the rear face side of the liquid crystal panel case.

Description

The present invention relates to a gaming machine such as a pachinko machine, and more specifically, a gaming machine that includes an image display device that displays an image and is configured to perform control to display an image according to game development on the image display device. About.

A pachinko machine, which is a representative example of the gaming machine as described above, is provided with a processing path for game balls on the front and back in an integrated manner on a front frame that houses and holds a game board that forms a game area on the front in a standing posture. ,
A back set board is attached to the back, and a game is made to win a winning device provided in the game area in the process of dropping the game ball guided to the upper part of the game area by the launching device.

In the game area of the game board, a large number of game nails, winning devices, etc. are attached, and a center ornament is attached to the substantially central portion, and a pattern corresponding to the game development is placed in the opening formed in this center ornament. A liquid crystal display device for displaying and enhancing game play is attached, for example, in an arrangement posture with the screen of the liquid crystal display panel facing the front (see, for example, Patent Document 1).

JP 2007-229242 A

By the way, in the pachinko machine as described above, for example, on the back of the liquid crystal display device, a control board that is covered with a transparent protective case or the like and controls the rendering function such as the liquid crystal display device and the center decoration is integrally attached. However, in recent years, there is a tendency that a plurality of control boards are provided separately for each function. For example, effect control for controlling the effect function of the entire pachinko machine (frame and board surface) A board, an image control board that mainly controls display of an image on a liquid crystal display device based on a control signal from the effect control board, and a center ornament or a movable accessory on the board surface of the game board by relaying the control signal from the effect control board An effect interface board for controlling the effects is provided. However, when the unit is configured by individually attaching each of the plurality of control boards to the back surface of the liquid crystal display device as described above, there is a problem that the attaching / detaching work at the time of replacing the board may be complicated.

The present invention has been made in view of such problems, and an object of the present invention is to provide a gaming machine that improves the work efficiency of board replacement in an image display unit.

To achieve such an object, the gaming machine according to the present invention accommodates a gaming board having a predetermined gaming area formed on the front side, gaming components provided on the front side of the gaming board, and the gaming board. A frame member to be held (for example, the front frame 2 in the embodiment), a main control board (for example, the main control board 34 in the embodiment) for comprehensively controlling the operation of the gaming machine, and detachable on the rear side of the game board An image display unit (for example, the liquid crystal unit 40 in the embodiment) provided in the game, and an opening (for example, in the embodiment) formed in the game board by performing control to display an image corresponding to the game development on the image display unit. A gaming machine (for example, a pachinko machine PM in the embodiment) configured such that an image displayed on the image display unit can be viewed from the front side of the gaming board via the internal space 16), and the image display The knit has an image display panel (for example, the liquid crystal display panel 51 in the embodiment) for displaying an image and a panel housing member (for example, the liquid crystal panel case 53 in the embodiment) for housing and holding the image display panel. (For example, the liquid crystal display device 50 in the embodiment) and the operation of the game component as well as the display of the image on the image display panel as the control of the effect according to the game development based on the effect command signal input from the main control board. A sub-control board to be controlled (for example, the effect control board 90 and the image control board 100 in the embodiment), and an interface board (for example, the effect interface board 140 in the embodiment) that electrically connects the sub-control board and the game component;
A substrate holding member (for example, the bottom case 160 in the embodiment) to which the sub control board and the interface board are detachably attached, and the sub control board and the interface board are attached to the rear surface side of the board holding member, Assembly (for example,
The control board assembly 80) in the embodiment is integrally assembled, and a mounting structure is formed between the front surface side of the board holding member and the rear surface side of the panel housing member, so that the sub-assembly becomes the rear surface of the panel housing member. Removably attached to the side.

According to the gaming machine according to the present invention, it is possible to improve the work efficiency of substrate replacement in the image display unit.

It is a front view of the pachinko machine shown as an example of the gaming machine according to the present invention. It is a rear view of the pachinko machine. It is a front view of the game board with which the said pachinko machine is equipped. It is a rear view of the game board. It is a block diagram which shows a part of control system with the board | substrate arrangement | positioning of the said pachinko machine. It is the perspective view which looked at the liquid crystal unit with which the said pachinko machine is equipped from the front side. It is the perspective view which looked at the said liquid crystal unit from the back side. It is a rear view of the said liquid crystal unit. It is sectional drawing shown along arrow IX-IX in FIG. It is sectional drawing shown along arrow XX in FIG. It is a side view of the said liquid crystal unit. It is a perspective view of the liquid crystal unit in a state where the effect interface board is removed. It is a perspective view of the said liquid crystal unit of the state which removed the top case. It is a perspective view of the said liquid crystal unit of a state which removed the ROM board | substrate. It is a rear view of the rear case in a liquid crystal display device. It is a front view of the control board assembly of the state which removed the top case. It is a perspective view of a substrate holder. It is a front view of the bottom case in a substrate case. It is a rear view of the bottom case. It is a perspective view of the top case in a substrate case.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. First, an overall configuration of a pachinko machine PM to which a gaming machine according to the present invention is applied will be outlined with reference to FIGS. Here, FIG. 1 is a front view of the pachinko machine PM, FIG. 2 is a rear view of the pachinko machine PM,
3 is a front view of the game board 10 mounted on the pachinko machine PM, FIG. 4 is a rear view of the game board 10, and FIG. 5 is a block diagram showing a part of the control system together with the board arrangement in the pachinko machine PM.

As shown in FIG. 1, the pachinko machine PM has a rectangular frame size adapted to the front of the opening of the outer frame 1 that forms a vertically fixed holding frame that is configured to have an outer rectangular frame size. The front frame 2 that forms the upper and lower hinge mechanisms 3 disposed on the front left edge of each other is attached so as to be openable and closable and detachable, and is called a double lock provided on the front right edge. 4
Is always held in a closed state engaged and connected to the outer frame 1.

On the front side of the front frame 2, a rectangular glass frame 5 that fits the upper front area of the front frame 2 is assembled so that it can be opened and closed laterally and removably using the upper and lower hinge mechanisms 3, and the locking device 4 is used. Thus, it is always kept in a closed state covering the front surface of the front frame 2. On the front side of the front frame 2 located behind the glass frame 5, a storage frame for detachably storing the game board 10 is provided, and the game board 10 is detachable from the rear in an upper region of the storage frame. The game area PA on the front side of the game board 10 can be viewed through the multilayer glass of the glass frame 5 which is held in a set and is always closed.

As shown in FIG. 3, the game board 10 includes a decorative board 11 formed by attaching a cell printed with a predetermined pattern on a rectangular laminated plywood subjected to router processing or the like. A substantially circular game area PA in which a game ball can roll is defined on the front surface of the decorative board 11, and is not shown in detail in FIG. 3, but a large number of game nails and windmills are provided in the game area PA. Various game components such as various prizes and a central ornament 15 are provided, and an out mouth for discharging the dropped game balls to the back side without dropping into the prizes is provided at the lower end of the game area PA. It is formed so as to penetrate forward and backward. Further, on the back side of the game board 10, as shown in FIG. 4, in addition to the ball gathering cover 12, a main control board unit 34 </ b> U that accommodates and holds a main control board 34 described later, a liquid crystal display device 50, and the like. A liquid crystal unit 40 is provided.

At the lower part of the glass frame 5, there are provided upper and lower ball trays 6 and 7 for storing game balls on the front side, and on the right side of the front of the lower ball tray 7 is provided a launch handle 8 for performing a game ball launch operation. Yes. In addition,
The front side of the glass frame 5 is appropriately provided with an illumination device such as a light emitting diode (LED) or a lamp, a speaker for generating a sound effect according to the state of the game, etc., but these are removed in FIG. Indicates the state.

On the back side of the front frame 2, as shown in FIG. 2, there is a back that is based on a base frame that is formed in a rectangular frame that is somewhat smaller than the front frame 2 and has a window that communicates with the front and rear. The set panel 20 is connected to the rear of the front frame 2 via the upper and lower hinge mechanisms 3 so as to be openable / closable and detachable. A protective cover 29 made of a transparent resin having a rectangular box shape with an open front is detachably attached to the back set board 20, and is always arranged so as to cover the rear side of the game board 10 attached to the front frame 2. It is installed. The back set board 20 includes a ball storage tank 21 for storing a large number of game balls, and a ball storage tank 2.
The tank rail 22 extending from 1 to the right with a gentle downward slope, the alignment waiting passage 23 connected to the right end portion of the tank rail 22 and extending downward, and the game balls waiting in the alignment waiting passage 23 under predetermined conditions Ball payout device 24 for paying out, ball payout device 2 provided below ball payout device 24
4 is a payout passage (not shown) for guiding the game balls paid out from 4 to the upper ball tray 6, and the game balls branched from the payout passage and discharged in a state where the upper ball tray 6 is full are placed in the lower ball tray 7. An overflow ball passage (not shown) or the like is provided. Further, a power supply board 3 to be described later is provided on the back side of the back set board 20.
A power supply board unit 31U that accommodates and holds 1, a frame effect connection board unit 32U that accommodates and holds the frame effect connection board 32, a payout control board unit 33U that accommodates and holds the payout control board 33, and the like are attached.

The pachinko machine PM configured as described above is used for gaming in a state where the outer frame 1 is fixedly installed on the game island (installation frame base) of the game facility, and the front frame 2, the glass frame 5 and the like are closed and locked. The game is started by storing the game ball in the upper ball tray 6 and rotating the launch handle 8. When the firing handle 8 is operated to rotate, the game balls stored in the upper ball tray 6 are sent one by one to the guide holder of the game assisting board by the ball feeding cassette disposed on the back side of the glass frame 5. Then, it is struck into the game area PA by the hammer of the launch mechanism, and thereafter the pachinko game is developed.

Here, regarding the arrangement configuration of various control boards in the game board 10 and the back set board 20,
This will be described in more detail with reference to FIGS. 2, 4 and 5. The arrows shown in FIG. 5 indicate the exchange of power or signals, and power supply or signal transmission is executed in the direction indicated by the arrows. Although not shown in FIG. 5, each control board including the main control board 34 and the payout control board 33 is appropriately accommodated in a transparent resin case member to prevent unauthorized modification. (Refer to the above-mentioned main control board unit 34U and payout control board unit 33U).

First, in the lower part on the back side of the back set board 20, a power supply board 31 that receives power from the amusement facility side and supplies power to various control boards and electrical / electronic components, lamp control of the glass frame 5, voice control, and actuator control The frame effect connection board 32 that controls various effects such as the above is arranged side by side, and the payout control board 33 that performs control related to the launch and payout of the game ball is the power supply board 31 and the frame effect connection board 32. It is attached to cover the back.

On the other hand, a main control board 34 that plays a central role in the control of the pachinko machine PM is attached to the back side of the game board 10, and a game board relay terminal board 35 is attached to the front side of the main control board 34. Yes. Further, a liquid crystal display panel 51 for displaying effect images and lottery symbols corresponding to various game developments is disposed above the main control board 34, and a liquid crystal relay board 56 is provided on the rear surface side of the liquid crystal display panel 51. , Inverter board 57, effect control board 90, image control board 1
00 and circuit boards such as the effect interface board 140 are attached to form the liquid crystal unit 40 described later.

The effect control board 90, the image control board 100, and the frame effect connection board 32 are conventionally circuit boards that are integrally formed as an effect board, but a plurality of circuit boards that are configured as the effect board are provided. An effect control board 90 and an image control board 100 for realizing an effect function that is divided according to the type of the game board 10 (including the liquid crystal display panel 51) are divided into the game board 1
A frame effect connection board 32 is provided on the back set board 20 side for providing the effect function common to the frames regardless of the type of the game board 10.

In this way, the liquid crystal unit 40 including the liquid crystal display panel 51 and the effect control board 90 that controls the image displayed on the liquid crystal display panel 51, the image control board 100, and the like are held.
Is attached to the back side of the game board 10. As shown in FIG. 4, a central ornament mounting hole 13 penetrating the decorative board 11 is formed at a substantially central portion of the game board 10, and a central ornament (center accessory) is formed in the central ornament mounting hole 13. 15 is attached. The central ornament 13 is formed with a substantially rectangular parallelepiped internal space 16 (see FIG. 3) that opens forward and backward, and the opening area of the internal space 16 is a liquid crystal disposed on the back side of the game board 10. It is formed in accordance with the display screen size of the unit 40 (liquid crystal display panel 51). In addition, a pair of left and right liquid crystal unit mounting portions (not shown) are provided on the back side of the game board 10, and the liquid crystal unit 4 corresponds to this.
A mounting projection 73 is formed on each of the left and right side portions of the zero, and the mounting projection 73 is screwed to the liquid crystal unit mounting portion to fix the liquid crystal unit 40 to the back side of the game board 10. When the liquid crystal unit 40 is fixed to the game board 10 with screws, the double-layer glass of the glass frame 5 and the game board 1
Through the internal space 16 of 0, the player can visually recognize the entire display screen of the liquid crystal unit 40 from the front of the pachinko machine PM.

Now, a specific configuration of the liquid crystal unit 40 according to the present embodiment will be described below with additional reference to FIGS. 6 is a perspective view of the liquid crystal unit 40 viewed from the front side, FIG. 7 is a perspective view of the liquid crystal unit 40 viewed from the back side, and FIG. 8 is a rear view of the liquid crystal unit 40.
9 is a sectional view taken along the arrow IX-IX in FIG. 8, FIG. 10 is a sectional view taken along the arrow XX in FIG. 8, FIG. 11 is a side view of the liquid crystal unit 40, and FIG. FIG. 13 is a perspective view of the liquid crystal unit 40 with the top case removed, and FIG. 14 shows the liquid crystal unit 4 with the ROM substrate removed.
15 is a rear view of the rear case of the liquid crystal display device, FIG. 16 is a front view of the control board assembly with the top case removed, FIG. 17 is a perspective view of the substrate holder, and FIG.
8 is a front view of the bottom case in the substrate case, FIG. 19 is a rear view of the bottom case, and FIG.
FIG. 4 is a perspective view of a top case in a substrate case. In the following description, for convenience of explanation, the front, rear, left, and right directions and the up and down directions are defined as directions in the attached state to the pachinko machine PM with reference to the states of FIGS. The directions of the arrows shown in FIG. 7 are referred to as front and rear, left and right, and up and down, respectively.

As shown in FIG. 6 and the like, the liquid crystal unit 40 has a rectangular liquid crystal display device 50 having a liquid crystal display panel 51 for displaying a predetermined image as a display screen when attached to the game board 10; A control board assembly 8 provided on the rear side of the liquid crystal display device 50 and including circuit boards for controlling various effects including image display on the liquid crystal display panel 51.
It is composed mainly of 0.

The liquid crystal display device 50 covers the entire display screen on the front side of the liquid crystal display panel 51 in order to protect the liquid crystal display panel 51 having a rectangular shape when viewed from the front and the display screen 51a of the liquid crystal display panel 51. And a liquid crystal panel case 53 formed in a rectangular box shape using a transparent resin material. In this embodiment,
The size of the liquid crystal display panel 51 (the length of the diagonal line of the display screen) is 15 inches (not necessarily limited to this size).

The liquid crystal panel case 53 includes a front case 60 formed in a rectangular box shape with an open rear surface and a rear case 70 formed in a rectangular box shape with an open front surface, and these case halves overlap each other in the front and rear. The liquid crystal display panel 51 is accommodated and held in the case so as to surround the entire screen except the display screen 51a of the liquid crystal display panel 51. Front case engagement claws 61 are formed on the upper and lower side walls of the front case 60 so as to protrude rearward and engage with rear case engagement receiving portions 71 formed in a concave shape on the upper and lower side walls of the rear case 70, respectively. By doing so, the front case 60 and the rear case 70 are engaged and held in a state where they are overlapped in the front-rear direction, and fixed with screws using a plurality of screws (not shown).

The front case 60 is provided with a case opening 62 having a rectangular shape in front view for allowing the display screen 51 a of the liquid crystal display panel 51 to face forward, and the liquid crystal unit 40 is disposed on the back side of the game board 10. In this state, the case opening 62 and the internal space of the game board 10 are aligned and overlapped in the front-rear direction. The rear case 70 is formed with a pair of left and right turning support portions 72 protruding downward, and the turning support portion 72 is formed on the back side of the game board 10 and extends horizontally (not shown). ), A structure (that is, a hinge structure) that can rotate the liquid crystal unit 40 with respect to the game board 10 about the support shaft is realized. Further, the rear case 70 is formed with the above-described mounting projections 73 protruding left and right, and when the liquid crystal unit 40 is rotated around the support shaft to be in a vertical posture (a posture parallel to the board surface), The mounting hole 73a of the mounting projection 73 and the screw hole of the liquid crystal unit mounting portion (not shown) are aligned and overlapped in the front and rear, so that both can be fixed with screws.

Further, inside the liquid crystal panel case 51, a liquid crystal relay substrate 56 (FIG. 5) is connected to a signal supply harness (not shown) for connection with the liquid crystal display panel 51 on the back side of the liquid crystal display panel 51. Are fixed and fixed in the liquid crystal panel case 53 by screws. In addition, an inverter board 57 (see FIG. 5), which is a power supply device for the backlight of the liquid crystal display panel 51, is fixed to the liquid crystal panel case 53 with screws. The inverter board 57 is connected to the liquid crystal relay board 56 via a power supply harness (not shown), and receives power supply from the image control board via the liquid crystal relay board 56. Further, a harness (not shown) for power supply to the liquid crystal display panel 51 extends from the inverter board 57, and power is supplied toward the liquid crystal display panel 51 through the power supply harness. The liquid crystal display panel 51 can display a predetermined image on the liquid crystal display.

As shown in FIG. 15, on the rear wall side of the rear case 70 in the liquid crystal display device 50, as a mounting structure for mounting the control board assembly 80, the rear wall of the rear case 70 passes through the front and back and extends in the left-right direction. A guide hole 74 at a location and a lock piece 75 having flexibility and swingable in the front-rear direction are formed.

The guide holes 74 are formed in an approximately L shape when the liquid crystal panel case 51 is viewed from the rear wall side, and the upper two guide holes 74 and the lower two guide holes 74 are vertically symmetrical. Is formed. The guide hole 74 is provided with a thin-plate-like locking piece 74a that protrudes inward from the right inner end.

The lock piece 75 is swingable back and forth (elastically deformable) by cutting out a part of the rear wall of the rear case 70 in a substantially U-shape, and is a panel-side locking claw that protrudes rearward. 76, and an operation portion 77 for performing the engagement / disengagement operation of the panel side latching claw 76 by elastically deforming the entire lock piece 75 by being pushed forward. As shown in FIG. 9, the panel side latching claw 76 is formed with an inclined surface 76 a that is inclined at a constant angle so that the amount of backward protrusion increases from the distal end side toward the proximal end side. A locking surface 76b is formed on the base end side.

As shown in FIGS. 7 and 13, the control board assembly 80 includes an effect control board 90 that controls the entire game effect of the pachinko machine PM based on an effect command signal input from the main control board 34, and an effect control board. 90, an image control board 100 for controlling the operation of the liquid crystal display device 50 based on a control signal inputted from the 90, a game control component 19 of the effect control board 90 and the game board 10 (
And an effect interface board 140 that relays control signals and a board case 150 that holds these boards, and these are integrally assembled to form a sub-board. An assembly is formed, and the subassembly can be detachably attached to the rear surface side of the liquid crystal display device 50.

The production control board 90 is a board for controlling production according to the model (including version) of the pachinko machine PM and the game development. As shown in FIGS. 13 and 16, the production control board 90 uses a rectangular printed wiring board 91 as a board, and various electronic devices such as semiconductor devices, resistors, and capacitors are mounted on the printed wiring board 91. An effect processing circuit is formed, and is electrically connected so as to enable one-way communication from the main control board 34 side to the effect control board 90. A connection connector (so-called “board-to-board connector”) 92 for electrical connection with the image control board 100 is provided on the left side of the effect control board 90. In addition, a connection connector (so-called “board-to-board connector”) 93 for electrical connection with the effect interface board 140 is provided on the right side of the effect control board 90. The connection connector 93 is a board case. It is exposed to the outside of the case through a connector insertion / extraction opening 194 formed in the opening 150. The connection connector 94 located below the effect control board 90 is a connector for electrical connection with the main control board 34, and the connection connector 95 adjacent to the right is a connector for electrical connection with the frame effect connection board 32. It is. These connection connectors 94, 9
An audio volume 96 for adjusting the volume is provided adjacent to 5 so as to be operable from the outside. Circular board mounting holes 97 for screwing the effect control board 90 to the board case 150 are formed at two positions above and below the right edge of the printed wiring board 91.

The image control board 100 is a board mainly for controlling the operation of the liquid crystal display panel 51, and is stored in the image ROM of the effect ROM board 110 according to the game development status based on the control signal from the effect control board 90. The read image data (animation image) is read, and a video output signal is output to the liquid crystal display panel 51 via the liquid crystal relay substrate 56 to display the animation video. The signal output from the image control board 100 uses LVDS (Low Voltage Differential Signaling) in order to avoid the influence of noise while ensuring high-speed transmission. In addition, the image control board 100 receives the sound ROM board 13 in response to an acoustic request.
The sound data stored in the 0 sound ROM is read, and the sound control signal generated by synthesizing the sound data is output to the frame effect connection board 32 via the effect control board 90.

The image control board 100 uses a printed wiring board 101 having a rectangular shape larger than the effect control board 90 as a board, and various electronic devices such as semiconductor devices, resistors, capacitors, etc. are mounted on the printed wiring board 101 to form a liquid crystal. A liquid crystal panel drive circuit or the like for driving the display panel 51 is formed, and a connection connector (so-called “board / board”) provided on the right side of the printed wiring board 101 is formed.
The image control board 100 and the effect control board 90 are electrically connected (board-to-board connector ") 102 and the connection connector 92 of the effect control board 90.
Board connection). A connection connector 103 is provided on the left side of the printed wiring board 101 and is electrically connected to the liquid crystal relay substrate 56 via a harness (not shown) connected to the connection connector 103. Circular printed circuit board mounting holes 104 for screwing the image control board 100 to the board case 150 are formed at two positions above and below the left edge of the printed wiring board 101. Further, two semicircular holes 104 ′ formed at the right edge of the printed wiring board 101 and two semicircular holes 97 ′ formed at the left edge of the printed wiring board 101 are opposed to each other. By being combined, a circular substrate mounting hole 105 shared by the effect control substrate 90 and the image control substrate 100 is formed.

An effect ROM board 110 having an image ROM or the like (not shown) is stacked on the upper left portion of the printed wiring board 101 in the image control board 100 via a board holder 120. Similarly, the lower right part of the printed wiring board 101 is mounted. Sound R with voice ROM etc. (not shown)
An OM substrate 130 is stacked and mounted via a substrate holder 132.

The effect ROM board 110 is a ROM board in which a horizontally long printed wiring board 111 is used as a board, and a plurality of image ROMs and the like on which a large number of animation images are stored are mounted on the printed wiring board 111. As shown in FIG. 10, the electrical connection between the effect ROM board 110 and the image control board 110 is a stack mounting type connection connector (so-called so-called detachable stack connection) between input / output terminals of these boards. "Board to board connector") 10
6,112. The effect ROM substrate 110 is formed with a pair of left and right rear pin insertion holes 113 that penetrates the printed wiring board 111 from the front and back sides.
A pair of left and right screw insertion holes 114 through which the screws (not shown) for attaching the effect ROM board 110 are inserted are formed through the printed wiring board 111 on the front and back sides.

As shown in FIGS. 14 and 17, the substrate holder 120 is formed in a U-shaped frame shape in plan view, and has a thickness in the vertical direction that matches the fitting height of the connection connectors 106 and 112 (see FIG. 10). And a connection fixing spacer member (also referred to as “memory spacer”) that stably holds the effect ROM substrate 110 at a predetermined position. The substrate holder 120 is formed by injection molding or the like using a transparent resin material, and includes a holder main body 121 that supports a rear outer edge portion of the production ROM substrate 110, and a columnar shape that protrudes forward from the holder main body 121. A front pin 122, a columnar rear pin 123 protruding rearward from the holder main body 121, and a cylindrical portion 124 formed at the end of the holder main body 121 are provided. In the center of the cylindrical portion 124, a stepped hole 125 formed by communicating a large diameter hole opened on the front surface side and a small diameter hole opened on the rear surface side is formed through the front and rear.

The front pin 122 of the substrate boulder 120 can be inserted into a front pin hole (not shown) formed in the image control board 100, so that the board holder 120 can be inserted into the image control board 100.
It is attached in a state where it is positioned. Here, as shown in FIG.
0 (bottom case 160) is formed with a screw boss 168 protruding rearward. When the substrate holder 120 is attached to the image control board 100 with the front pin 122, the tip (top) of the screw boss 168 is controlled by the image control. It is inserted into a stepped hole 125 of the substrate holder 120 through a passage hole (not shown) drilled in the printed wiring board 101 of the substrate 100.

The effect ROM substrate 110 can be attached so as to cover the substrate holder 120 from behind, and the rear pin 123 of the substrate holder 120 is attached to the rear pin insertion hole 1 of the effect ROM substrate 110.
13, the effect ROM board 110 is fitted and connected to a predetermined position of the image control board 100 via the board holder 120 (that is, the connection connector 112 of the effect ROM board 110 is connected to the connection connector 106 of the image control board 100). Position). Production ROM
In a state where the substrate 110 is positioned on the image control substrate 100 via the substrate holder 120,
The screw insertion holes 114 of the effect ROM substrate 110, the stepped holes 125 of the substrate holder 120, and the screw bosses 168 of the bottom case 160 of the substrate case 150 are aligned on the same axis, thereby aligning the effect ROM substrate 110 with the image control substrate 100 ( And can be fixed to the board case 150) with screws.

On the other hand, the sound ROM substrate 130 has a horizontally long printed wiring board 131 as a substrate, and a sound ROM or the like in which acoustic data for generating various sound effects corresponding to the effect pattern is stored on the printed wiring board 131 is mounted. ROM board. This sound R
The OM substrate 130 is also provided at a predetermined position of the image control substrate 100 via the substrate holder 132, that is,
Although the connection connector (not shown) of the sound ROM board 130 is screwed and fixed in a state where the connection connector (not shown) is positioned to be fitted and connected to the connection connector 107 of the image control board 100, the inter-board connection structure is adopted. Since this is the same as the inter-board connection structure between the effect ROM board 110 and the image control board 100, description thereof will be omitted.

The production interface control board 140 has a central decoration 15 arranged on the board surface of the game board 10.
Control components (lamp control signals and output signals) output from the effect control board 90 are electrically connected to game component parts 19 (see FIG. 5) such as electric decorations and movable accessories through a harness (not shown). Actuator control signal) is relayed to execute ramp control and actuator control of the game board 10.

The effect interface board 140 includes a printed wiring board 141 having a rectangular shape smaller than the effect control board 90, and a plurality of connection connectors and the like are mounted on the printed wiring board 141. A board mounting hole 142 for screwing the effect interface board 140 to the bottom case 160 of the board case 150 is formed at the location, and a U-shaped groove 143 that opens to the left end side is provided at the left edge, and the right side is provided. A circular pin fitting hole 144 is provided at the center of the edge. Further, the effect interface board 140 is provided with a connection connector (so-called “board-to-board connector”) 145 protruding leftward, and the connection connector 145 and the connection connector 93 of the effect control board 90 are fitted. By effecting the connection, the effect interface board 140 and the effect control board 90 are electrically connected (board-to-board connection).

The substrate case 150 serves as a base of the control substrate assembly 80, and a bottom case 160 as a substrate holding member attached to the rear surface side of the liquid crystal display device 50, and the bottom case 1
The production control board 90 and the image control board 100 are accommodated and held in a board accommodation chamber defined therein by overlapping them. Both the bottom case 160 and the top case 190 constituting the substrate case 150 are formed by a molding means such as injection molding using a transparent resin material, and are disposed inside the substrate case 150 even from the outside. Production control board 90 and image control board 10
The state such as 0 can be visually confirmed.

The bottom case 160 has a bottom case body wall 161 formed in a horizontally long rectangular flat plate shape,
The bottom case main body wall 161 is provided with upper, lower, left and right side walls 162 extending rearward, and has a shallow box shape with the rear side opened as a whole. A plurality of reinforcing ribs 163 are formed on the bottom case main body wall 161 serving as the bottom portion of the bottom case 160 so as to be continuous in a lattice shape in the vertical and horizontal directions, thereby improving the strength of the bottom case 160.

On the front side of the bottom case 160 (the surface facing the rear surface of the liquid crystal panel case 153), as shown in FIG. 19, there are four guide ribs 164 protruding outward and forward as a mounting structure to the liquid crystal display device 50. And the board side latching claws 16 that can be engaged with the panel side latching claws 76 of the rear case 70.
5 is provided. The guide rib 164 is formed in an L shape in a side sectional view, and is configured to be inserted into the guide hole 74 of the rear case 70. The guide rib 164 is inserted into the guide hole 74 and the locking piece 74a side (right side) When the guide rib 164 is moved in the direction), the guide rib 164 and the locking piece 74a are engaged with each other, and the vertical and backward movement of the guide rib 164 is regulated by the locking piece 74a. The guide ribs 164 are formed in the same number (four places) as the guide holes 74 of the rear case 70, and the arrangement interval thereof also corresponds to the guide holes 74. The board side latching claw 165 is configured to engage with the panel side latching claw 76 of the rear case 70 in a state where the guide rib 164 is engaged with the locking piece 74a. As shown in FIG. 9, the board side latching claw 165 is formed with an inclined surface 165 a that is inclined at a constant angle so that the amount of forward protrusion increases from the distal end side toward the proximal end side. A locking surface 165b is formed on the base end side.

On the other hand, on the rear surface side of the bottom case 160, as shown in FIG.
61 and the side wall 162, a first housing part 170 for housing the effect control board 90 and the image control board 100 and a second housing part 180 for housing the effect interface board 140 are formed. The first housing part 170 and the second housing part 180 are partitioned by a partition wall 166 extending in the vertical direction. On the rear surface side of the bottom case 160, eight cylindrical screw bosses 167 projecting rearward are formed, and a mounting surface on which the front end surface (top portion) of each screw boss 167 receives the back side of each circuit board. It has become. Also,
Corresponding to the screwing positions of the effect ROM board 110 and the sound ROM board 130, four stepped cylindrical screw bosses 168 protruding rearward are formed.
8 is inserted into a stepped hole 125 (and a stepped hole of the substrate holder 132) of the substrate holder 120 through a passage hole (not shown) formed in the image control substrate 100.

In the first accommodating portion 170, the above-described effect control board 90 and the image control board 100 are board boards.
It is arranged side by side in a state where it is electrically connected to the to-board, and the influence of electromagnetic noise is provided so as to cover the back side and the side of the production control board 90 and the image control board 100. A shield plate 171 for eliminating the above is attached.

In the second accommodating portion 180, as shown in FIG.
The effect control board 90 attached to the first housing part 170 is arranged in a board-to-board connection state. The second housing portion 180 includes a bottom case body wall 1.
61, a slide groove 181 extending in the left-right direction at the center of 61, a detachable hook 182 that engages with the slide groove 181 and is slidable in the left-right direction, and a right end portion of the slide groove 181 so as to overlap from the rear. The provided rectangular plate-shaped base 183 and the bottom case body wall 1
Four support ribs 184 projecting rearward from 61, and bottom case body wall 161
Are provided with two pressing ribs 185 projecting in an L-shape from the bottom and a pair of upper and lower stoppers 186 projecting rearward from the bottom case main body wall 161.

The detachable hook 182 is attached to the slide groove 181 of the bottom case main body wall 161 in a state of being prevented from being detached, and is slidable in the left-right direction, and the hook base 18.
A pair of locking arm portions 182b protruding in a cantilevered manner from the right end portion of 2a and swingable in the vertical direction (elastically deformable), and protruding rearward from the hook base portion 182a to protrude from the base portion 183 A small-diameter cylindrical positioning pin 182c inserted into a U-shaped pin receiving groove 183a opened at the right end, and a plate-shaped knob 18 extending downward from the right end of the hook base 182a.
2d. The detachable hook 182 has a protruding claw locking groove 181R formed on the inner wall of the slide groove 181 in a concave shape with a protruding claw protruding from the tip (free end) of each locking arm portion 182b (see FIG. 19). ) And a position (referred to as “connection position”) engaged with the left protrusion claw locking groove 181L (see FIG. 19). It is free. The positioning pin 182c of the attachment / detachment hook 182 is formed in a size that can be inserted into the pin insertion hole 144 of the effect interface board 140. By connecting the attachment / detachment hook 182 and the effect interface board 140 in this way, the attachment / detachment is performed. The effect interface board 140 can be slid in the left-right direction together with the hook 182.

The rear surfaces of the pedestal portion 183 and the support rib 184 are the placement surfaces of the effect interface board 140. Here, the base part 183 and the support rib 18 from the bottom case main body wall 161 are provided.
4 are substantially equal to each other, so that the rendering interface board 140 is in the bottom case body wall 161 with the back surface of the rendering interface board 140 in contact with the pedestal 183 and the support rib 184. Arranged in a plane parallel to the.

The holding rib 185 includes a guide plate portion 185a suspended from the bottom case body wall 161 and a stop plate portion 185b bent inward from the rear end of the guide plate portion 185a. In a state where the interface board 140 is disposed in the second housing part 180, the stop plate part 185b overlaps the effect interface board 140 in the front-rear direction. Further, the inner surface side of the guide plate portion 185b is an inclined tapered surface 1 that opens in the front-rear direction toward the right.
When the effect interface board 140 is slid from the left standby position to the right connection position by the detachable hook 182, the effect interface board 14 is
The upper and lower sides of 0 are guided.

In addition, as shown in FIG. 12, the rendering interface board 140 is provided in the second housing portion 180.
Is not attached, the lock piece 75 of the rear case 70 of the liquid crystal display device 50 is exposed rearward through the slide groove 181 of the bottom case body wall 161.
The operation portion 77 of the lock piece 75 can be accessed.

The top case 190 has a top case main body wall 191 and upper, lower, left and right side walls 192 that surround the main body wall 191 and extend forward, and is formed in a rectangular box shape that is open to the front as a whole. A connection connector 94 disposed on the effect control board 90 is provided on the top case body wall 191.
, 95 and the sound volume 96 are formed through the top and bottom of the top case opening 193 for exposing the sound volume 96 to the outside of the case. Each top case opening 193 is formed at a position corresponding to the mounting position of the connection connectors 94 and 95 and the audio volume 96, and the main control board 34 is connected to the connection connector 94 exposed rearward through the top case opening 193. The connector is electrically connected via a harness (not shown), and similarly the top case opening 1
The connection connector of the frame effect connection board 32 is electrically connected to the connection connector 95 exposed rearward through 93 via a harness (not shown). Further, a connection connector (board-to-board connector) 9 of the effect control board 90 is provided on the right side wall of the top case body wall 191.
3 is formed in the left side wall, and the connector insertion port 19 for exposing the connection connector 103 of the image control board 100 to the left outward is formed on the left side wall.
5 is formed.

Further, the top case 190 is formed with six bottomed cylindrical hollow bosses 196 protruding forward from the back surface of the top case main body wall 191. The top case 190 is fixed to the bottom case 160 with screws. The screw (not shown) is received in the hollow portion of the hollow boss 196, and a screw portion of the screw is inserted through a through hole formed in the center of the bottom portion. The hollow boss 196 has substrate mounting holes 97, 104,
105 and 142 and the same number (eight places) as the screw bosses 167 of the first accommodating portion 170 are formed, and the arrangement intervals thereof also correspond. Further, the top case 190 is formed with four substrate holders 197 projecting forward from the back surface of the top case body wall 191. When the top case 190 is attached to the bottom case 160, the two upper substrate substrates 197 are formed. The presser 197 is close to or abuts on the surface of the effect ROM board 110 (non-mounting position of the electronic component), and the two lower board pressers 197 are close to or touching the surface of the sound ROM board 130 (non-mounting position of the electronic component). It comes to touch. Thus, even if the effect ROM substrate 110 and the sound ROM substrate 130 are warped in the thickness direction, the effect ROM substrate 1
10 and the sound ROM substrate 130 are sandwiched between the substrate holders 120 and 132 and the substrate holder 197, so that the ROM substrates 110 and 130 can be stably held. Note that a number of elongated slit-shaped long holes 198 are formed in the upper and lower side walls of the top case 190, and these long holes 198 serve as intake ports for taking cooling air into the case.

In order to assemble the liquid crystal unit 40 configured as described above, the effect control board 90, the image control board 100, the effect interface board 140, the bottom case 160, and the top case 190 are integrally assembled as a subassembly, and then the subassembly. This is performed by the procedure of assembling the (control board assembly 80) to the liquid crystal display device 50. Then, although this assembly order is demonstrated in detail below, the description about the insertion / extraction of the harness which connects between each board | substrate is abbreviate | omitted.

To assemble the control board assembly 80, first, the first housing portion 17 of the bottom case 160 in a state in which the effect control board 90 and the image control board 100 are board-to-board connected.
It is inserted into 0 and placed on six screw bosses 167. When the effect control board 90 and the image control board 100 are housed in the first housing 170, the substrate holder 120 is brought close to the surface side of the image control board 100, and the front pin 122 of the board holder 120 is moved to the image control board 10.
The board holder 120 is attached to a predetermined position on the image control board 100 by being inserted into a zero front pin hole (not shown). At this time, the screw boss 168 of the bottom case 160 is connected to the image control board 1.
Boss portion 124 (stepped hole 125) of substrate holder 120 through 00 passage hole (not shown)
Will be inserted.

Then, the production ROM board 110 is approached from the front side of the substrate holder 120 to produce the production ROM.
The effect ROM board 110 is mounted on the board holder 120 by pressing the rear pin insertion hole 113 of the board 110 forwardly into the rear pin 123 of the board holder 120 and inserting it. At the same time, the connection connector 112 of the effect ROM board 110 is fitted with the connection connector 106 of the image control board 100, and the effect ROM board 110 and the image control board 100 are connected by a board-to-board. When the effect ROM board 110 and the image control board 100 are fitted and connected in this manner, screws (not shown) are screwed into the screw bosses 168 from the surface side of the effect ROM board 110 through the screw insertion holes 114, and the effect ROM board 110. Secure with screws. In the same manner as the effect ROM board 110, the sound ROM board 130 is also mounted on the image control board 100 via the board holder 132. A connector (not shown) of the sound ROM board 130 and the image control board 100 are connected. The connector 107 is board-to-board connected.

As a result, the first housing 170 of the bottom case 160 includes the effect control board 90 and the effect R
The image control board 100 on which the OM board 110 and the sound ROM board 130 are mounted is attached, and the top case 190 is overlapped from the rear of the bottom case 160 so as to cover these boards. The housing part 170 is closed by the top case 190. When the first housing 170 is closed, the top case 190
Screws (not shown) are inserted into the hollow bosses 196 from the rear (front side) of the image processing board 90 and the board mounting holes 97, 104, 10 of the image control board 100 housed in the first housing part 170.
5 is screwed and fastened to the screw boss 167 of the bottom case 190 through the effect control board 9.
0 and the image control board 100 on which the two ROM boards 110 and 130 are mounted are screw bosses 167.
Are fixed to the board case 150 with screws. This board case 150
In the closed state, the connection connectors 93, 94, 95 of the effect control board 90, the audio volume 96, and the connection connector 103 of the image control board 100 are the top case opening 193 opened in the top case 190 and the connector insertion / extraction opening 194. , 195 and exposed to the outside of the case, and the connector can be connected and the volume can be operated even in the closed state in which the top case 190 is attached to the bottom case 160. As described above, the top case 190 closes only the first housing part 170, and the second housing part 180 is always open.

Subsequently, in order to attach the effect interface board 140 to the second housing portion 180 of the bottom case 160, the detachable hook 182 is displaced in advance to the right standby position. Then, the effect interface board 140 is inserted into the second housing part 180, and the pin fitting insertion hole 144 of the effect interface board 140 is inserted in alignment with the positioning pin 182c of the detachable hook 182. As a result, the rendering interface board 140 is placed on the base 183 and the support rib 184 of the bottom case 160 in the second housing portion 180, and when the detachable hook 182 is slid to the left from this state, it is connected to the detachable hook 182. The produced effect interface board 140 is also integrated with the detachable hook 182 and the holding rib 18
5 and slides to the left while being guided by the tapered surface 185c.

Here, the connection connector 145 of the effect interface board 140 and the connection connector 93 of the effect control board 90 are opposed to each other in the left-right direction (sliding direction). When the claw is engaged with the left protrusion claw locking groove 181L (that is, when the detachable hook 182 reaches the connection position), the connection connector 145 of the effect interface board 140 is fitted into the connection connector 93 of the effect control board 90. Are connected. In other words, since the slide direction of the effect interface board 140 and the fitting direction of both the connecting connectors (board-to-board connectors) 93 and 145 coincide, the slide operation of the effect interface board 140 by the detachable hook 182 is accompanied. Thus, the connection connector 145 of the effect interface board 140 and the connection connector 93 of the effect control board 90 are fitted and connected.

When the connection connector 145 of the effect interface board 140 is fitted and connected to the connection connector 93 of the effect control board 90 as described above, the effect interface board 140 is connected to the detachable hook 182 and the detachable hook 182 is picked. Since it is only necessary to grab the part 182d and slide it to the left, it is avoided that the operator's fingers touch the effect interface board 140 and the effect control board 90, and these are caused by static electricity charged on the human body of the operator. It is possible to prevent the substrate from electrostatic breakdown. Further, when the attachment / detachment hook 182 is slid, the attachment / detachment hook 182 is almost simultaneously connected with the connection connector 145 of the effect interface board 140 and the connection connector 93 of the effect control board 90.
The click feeling when the locking arm portion 182b is engaged with the protrusion claw locking groove 181L at the connection position can be obtained, so that the operation feeling at the time of connection between the substrates can be improved.

In addition, before the detachable hook 182 reaches the connection position (before the connection connector is fitted), the stopper 186 of the bottom case 160 is fitted into the U-shaped groove 143 of the effect interface board 140 and the effect interface board 140 is moved up and down. Since the edge is pressed by the holding rib 185 and the slide position of the effect interface board 140 is corrected,
Connection failure between the connection connectors 93 and 145 can be suppressed.

Thus, in the state where the effect interface board 140 and the effect control board 90 are connected, the pair of board mounting holes 142 of the effect interface board 140 and the two screw bosses 167 of the second housing portion 180 are aligned, and this effect interface. By screwing and fastening a screw (not shown) to the screw boss 167 from the front surface side of the substrate 140 through the substrate attachment hole 142, the effect interface substrate 140 is fixed to the second housing portion 180 of the bottom case 160 with screws.

In this way, the effect control board 90 and the image control board (including the ROM boards 110 and 130) 10
0 and the production interface board 140 are integrally assembled to the board case 150 to obtain a sub-assembled control board assembly 80. The control board assembly 80 can be assembled to the liquid crystal display device 50 as a single unit. is there.

In the above description, the top case 190 is attached to the bottom case 160 and the first case.
After closing the housing part 170, the effect interface board 140 is attached to the bottom case 160.
On the other hand, the production interface board 1
The order in which the top case 190 is attached to the bottom case 160 after the 40 is attached to the second housing part 180 of the bottom case 160 may be used.

Next, in order to assemble the control board assembly 80 to the liquid crystal display device 50, first, the guide ribs 164 of the bottom case 160 of the control board assembly 80 are inserted into the guide holes 74 of the rear case 70 of the liquid crystal display device 50 from the rear, From this state, the guide rib 164 is moved rightward along the guide hole 74 and engaged with the locking piece 74 a of the guide hole 74. When the guide rib 164 is engaged with the locking piece 74a, the front / rear and vertical movement of the control board assembly 80 with respect to the liquid crystal display device 50 is restricted. At the same time, when the board side latching claw 165 of the control board assembly 80 moves to the right, the inclined surface 165a of the board side latching claw 165 is provided.
Is brought into contact with the inclined surface 76a of the panel side locking claw 76 of the liquid crystal display device 50 and elastically deforms the entire locking piece 75 forward, and when the substrate side locking claw 165 exceeds the panel side locking claw 76, When the entire lock piece 75 is elastically returned toward the rear, the board-side locking claw 165 and the panel-side locking claw 76 are engaged with each other by bringing the locking surfaces 76b and 165b into contact with each other. Board side latching claw 16
5 and the panel-side locking portion 76 are engaged, the lateral movement of the control board assembly 80 with respect to the liquid crystal display device 50 is also restricted, and the control board assembly 80 is assembled to the liquid crystal display device 50 in a locked state. In this way, the liquid crystal display device 50 and the control board assembly 80 are integrally assembled to obtain the liquid crystal unit 40 as a final assembly.

In the state in which the liquid crystal unit 40 is assembled in this way, the locking claws 76 and 165 that connect the liquid crystal display device 50 and the control board assembly 80 are concealed on the back side of the effect interface board 140 and are externally provided. Since the operation unit 77 of the lock piece 75 cannot be accessed, the image control board assembly 80 can be prevented from being carelessly detached from the liquid crystal display device 50.

Next, a procedure for removing the control board assembly 80 from the liquid crystal display device 50 in the liquid crystal unit 40 assembled in this way will be described below.

First, two screws (not shown) of the effect interface board 140 are loosened and removed from the rear surface side of the liquid crystal unit 40, and the screw fixing of the effect interface board 140 to the bottom case 160 is released. From this state, the detaching hook 1
When the entire 82 is slid to the right, the effect interface board 14 connected to this is connected.
0 is also slid to the right together. Then, along with this operation, from the connection connector 93 of the effect control board 90 to the connection connector 145 of the effect interface board 140.
Is removed, and the board-to-board connection between the effect control board 90 and the effect interface board 140 is released. Then, after sliding the attachment / detachment hook 182 to the right standby position, the effect interface board 140 is moved backward, and the pin insertion hole 144 of the effect interface board 140 is removed from the positioning pin 182c of the attachment / detachment hook 182. Thus, the effect interface board 140 can be detached from the second housing part 180 of the bottom case 160.

When the effect interface board 140 is removed from the second housing portion 180, the lock piece 75 of the liquid crystal display device 50 is exposed rearward, thereby enabling the lock piece 75 to be released. When the operation portion 77 of the lock piece 75 becomes accessible in this way, when the operation portion 77 is pressed forward, the panel side locking claw 76 of the lock piece 75 is moved to the board side locking claw 1.
It is elastically deformed in the direction away from 65 (forward), thereby releasing the engagement between the two.

When the control board assembly 80 (excluding the effect interface board 140) is moved to the left in the released state, the guide ribs 164 of the bottom case 160 are moved to the left along the guide holes 74 of the rear case 70. Moving. When the guide rib 164 hits the inner end of the guide hole 74, if the control board assembly 80 is moved rearward, the guide rib 164 is pulled backward from the guide hole 74, and the control board assembly 80.
Can be removed from the liquid crystal display device 50.

In the control board assembly 80, the board case 150 to the effect control board 9
In order to separate the image control board 100 and the ROM boards 110 and 130 from each other, it is only necessary to carry out the reverse procedure of the above-described attachment procedure, and therefore the description thereof is omitted.

As described above, in the pachinko machine PM according to the present embodiment, the effect control board 90 and the image control board 1 are previously stored.
00 and the production interface board 140 are integrally assembled with the board case 150 serving as a board holding member and prepared as a subassembly, the board in the liquid crystal unit 40 can be replaced simply by attaching the subassembly to the liquid crystal display device 50. Therefore, it is possible to improve the work efficiency of the substrate replacement in the liquid crystal unit 40. Further, by sharing a mounting structure with the bottom case 160 among the plurality of types of liquid crystal display devices 50, even when the design of the liquid crystal display unit 40 is changed due to the size change of the liquid crystal display panel 51, different liquid crystal displays. Since the control board assembly 80 can be used in common with the apparatus 50, it is possible to reduce the manufacturing cost of the pachinko machine PM (game machine), promote environmental protection by recycling, reduce inventory burden, etc. Can contribute to the

Corresponding to the operation of mounting the effect interface board 140 in the second housing part 180 of the bottom case 160, the connection connector 93 of the effect control board 90 and the connection connector 145 of the effect interface board 140 are fitted and connected (board (To-board connection), the time required for wiring work is shortened by eliminating the trouble of wiring connection between the production control board 90 and the production interface board 140. Efficiency is improved.

In the control board assembly 80, since board-to-board connection is also used as an inter-board connection structure between the effect control board 90 and the image control board 100 accommodated and held in the board case 150, the parts When the control board assembly 80 is removed from the liquid crystal unit 40 for replacement or maintenance inspection, the top case 190 can be opened and the mutual connection between these boards can be easily released. Efficiency can be further improved.

Further, the effect interface board 140 is connected to the detachable hook 182, and the detachable hook 1 that holds the effect interface board 140 by grasping the knob 182 d of the detachable hook.
By sliding 82 to the effect control board 90 (left direction), the connection connector 93 of the effect control board 90 and the connection connector 145 of the effect interface board 140 are fitted and connected (
Board-to-board connection), the connection work between the production control board 90 and the production interface board 140 can be performed without touching the elements on the board, and the human body of the worker is charged. It is possible to prevent the substrate from being damaged by static electricity.

Further, when the liquid crystal unit 40 is viewed from the rear side with the control board assembly 80 attached to the rear case 0 of the liquid crystal display device 50, the operation unit 77 of the lock piece 75 is concealed by the effect interface board 140. Thus, unintentional contact with the operation unit 77 can be guarded to prevent the control board assembly 80 from being inadvertently detached from the liquid crystal unit 40 when the power is turned on.

Although the preferred embodiments of the present invention have been described so far, the scope of the present invention is not limited thereto. For example, in the above-described embodiment, the sub-control board specified in the claims is divided into the effect control board 90 and the image control board 100 and is configured as a separate control board. However, the present invention is not limited to this. Instead, the functions of these boards may be configured integrally and configured as a single control board.

In the above-described embodiment, only the first housing portion 180 of the bottom case 160 is closed by the top case 190, and the second housing portion 18 that houses the effect interface board 140 is stored.
Although 0 is open, it is not limited to this, and both the first housing part 170 and the second housing part 180 by the top case (that is, the entire rear surface side of the bottom case 160).
May be configured to be closed.

In the above-described embodiments, the liquid crystal display device having the liquid crystal display panel is exemplified and described as the image display device. However, the present invention is not limited to this, and the organic EL display device, plasma display device, CRT Other display devices such as, etc. may be applied.

In the above-described embodiment, an example in which the present invention is applied to a pachinko machine has been described.
It can be applied to other gaming machines such as an arrangement ball machine and a sparrow ball game machine, and the same effect can be obtained.

PM Pachinko machine (game machine)
PA game area 2 front frame (frame member)
10 gaming board 19 gaming component 34 main control board (main control board)
40 Liquid crystal unit (image display unit)
50 Liquid crystal display devices (image display devices)
51 Liquid crystal display panel (image display panel)
53 LCD panel case (panel housing member)
75 Lock piece 76 Panel side locking claw (Panel side engaging part)
77 Operation section 80 Control board assembly (sub assembly)
90 Production control board (sub control board)
93 Connector (Sub control board connector)
100 Image control board (sub control board)
110 Production ROM board 120 Board holder 130 Sound ROM board 140 Production interface board (interface board)
145 Connector (Interface board connector)
150 Substrate case 160 Bottom case (Substrate holding member)
165 Board side locking claw (board side engaging part)
182 Detachable hook (slide member)

Claims (4)

A game board in which a predetermined game area is formed on the front side, game components provided on the front side of the game board, a frame member that accommodates and holds the game board, and overall operation of the game machine A main control board, and an image display unit detachably provided on the rear side of the game board,
The image display unit is controlled to display an image corresponding to the game development, and the image displayed on the image display unit can be viewed from the front side of the game board through an opening formed in the game board. A gaming machine,
The image display unit includes an image display panel that displays an image, a panel housing member that houses and holds the image display panel, and the game development based on an effect command signal input from the main control board As an effect control according to the above, a sub control board for controlling the operation of the gaming component together with the display of an image on the image display panel, an interface board for electrically connecting the sub control board and the gaming component, A sub-control board and a board holding member to which the interface board is detachably attached,
The sub control board and the interface board are attached to the rear surface side of the substrate holding member, and these are integrally assembled as a subassembly, and between the front surface side of the substrate holding member and the rear surface side of the panel housing member. The subassembly is detachably attached to the rear surface side of the panel housing member by forming an attachment structure on the gaming machine. At least one of the sub-control board and the interface board is slid relative to the rear surface of the substrate holding member in the in-plane direction so as to be mounted on the rear surface side of the substrate holding member. And
The sub-control board has a sub-control board connector protruding toward the interface board in the in-plane direction;
The interface board has an interface board connector protruding toward the sub-control board in the in-plane direction;
Corresponding to the operation of mounting the sub control board and the interface board on the rear surface side of the panel housing member, the sub control board connector and the interface board connector are fitted and connected, and the sub control board and the interface are connected. The gaming machine according to claim 1, wherein the gaming machine is electrically connected to the board. On the rear surface side of the substrate holding member, a slide member that holds the interface substrate and is slidable along the in-plane direction is provided.
The sub control board connector is configured to slide the slide member holding the interface board toward the sub control board in the in-plane direction with the sub control board mounted on the rear side of the board holding member. The gaming machine according to claim 2, wherein the interface board connector is fitted and connected. The mounting structure includes a panel side engaging portion provided on the rear surface side of the panel housing member, and a substrate side engaging portion provided on the front surface side of the substrate holding member, The sub-assembly is configured to be attached to the rear surface side of the panel housing member by engaging the board-side engaging portion.
The panel side engaging portion includes an operation portion for releasing the engagement with the substrate side engaging portion in a state of being engaged with the substrate side engaging portion,
When the image display unit is viewed from the rear surface side in a state where the sub assembly is attached to the rear surface side of the panel housing member, the operation portion of the panel side engaging portion is concealed by the interface board,
4. When the interface board is detached from the board holding member, the operation unit is exposed on the rear side of the image display unit and can be accessed from the rear side. The gaming machine described in 1.

Images