JP2879692B2 - Pachinko machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a back mechanism panel, a power terminal arranged on the back mechanism panel for relaying the supply of AC power, and a back mechanism panel mounted on the back side. A game board, which is exchangeably attached to the front frame and has a game area formed on the front face, an electric game machine which is fitted in a state where the game board is inserted substantially in the center and protrudes from the rear face, and an electric game machine. A game board control device that controls the equipment and is exchanged in conjunction with the exchange of game boards, and a common function that controls versatile game machine common functions for the game board and is located on the back mechanism board side A control device, a prize ball collecting cover body attached to the back of the game board for guiding the prize ball flowing down, and a prize ball discharge mechanism provided on one side of the back mechanism board to discharge the prize ball. It relates to pachinko machines.

<Conventional technology> Conventional pachinko machines have a relatively large gaming device, such as a variable winning device that performs complicated operations or a variable display device that converts and displays a plurality of symbols consisting of numbers, etc. The electric game machine and the various display lamps provided on the game board are operated and controlled by the game board control device so that they can be set to the predetermined game conditions. A pachinko machine whose gaming state changes accordingly increases the interest of pachinko games.

Such a game board control device has a CPU, R
A control board consisting of a large number of integrated circuits such as OM and RAM and various electric components is housed in a storage case. This game board control device is installed in the appropriate position on the back side of the pachinko machine (for example, the back side of the back mechanism board). It is designed to be attached to.

And when replacing the game board provided with the electric game device, since the control content of the electric game device also changes, it is necessary to replace the game board control device together with the game board, and the replacement of the game board The entire game board control device is recreated separately depending on the model.

<Problems to be Solved by the Invention> However, when exchanging the game board, the game board and the game board control device corresponding to the game board are separately shipped, so the delivery becomes troublesome twice and the delivery is performed. In addition to an increase in cost, there was also a problem that a game board control device incompatible with a replacement game board was delivered to a pachinko parlor due to a mistake in delivery.

Therefore, it is conceivable to arrange a game board control device on the back of the game board, but there is no space on the back of the game board, and
Since the large electric game device inserted substantially at the center of the game board has a considerable depth, it will protrude further than the rear surface of the winning ball aggregate cover body, and the protective cover member covering this rear projecting portion is a winning ball. It will be protruded from the central part of the back of the collective cover, and it is difficult to arrange the game board control device of the old size on the back of the winning ball collective cover avoiding this protective cover member.

Moreover, large electric gaming devices are designed to display symbols.
A device equipped with an LED, a lamp, an LCD, etc. (a so-called type 1 electric motor) or a device capable of operating a conversion member by a solenoid to convert a game ball into a state where it is easy to accept and a state where it is difficult to accept a game ball (so-called type 2 electric motor) Since it is an accessory, heat is easily generated, and sufficient consideration must be given to increasing the temperature of the protective cover member.

In other words, the back surface of the narrow winning ball aggregate cover body is difficult to secure the space for disposing the game board control device, and the temperature increase of the protective cover member and its peripheral portion is an electronic component constituting the game board control device. (CPU, ROM, RAM, etc.) is likely to induce thermal runaway, making it impossible to achieve reliable game control.

In addition, since the game board control device has its own power supply unit, the power supply unit of the game board control device is located near the protective cover member that easily becomes a heat source on the back of the winning ball aggregate cover body because the game board control device has its own power supply unit. In this case, the interaction between the two heat sources further increases the amount of heat generated, increasing the possibility of malfunctioning of electronic components due to temperature rise not only in the game board control device but also in the game device, and power conversion. It also leads to inefficiency.

Further, in some cases, static electricity is generated in accordance with the operation of an electric game device such as a variable winning device provided in the game board, and when the accumulated static electricity is discharged, it becomes a noise source and becomes a CPU in the game board control device. , The signal may be mixed with a weak signal being transmitted and received between the ROM and the RAM, preventing the transmission and reception of a normal signal and causing a malfunction of the game board control device. Also, since the prize ball aggregate cover body in which the prize balls prize from the various prize ports of the game board frequently flow down is made of resin, it is easy for static electricity to be generated due to friction with metal balls, so that this prize ball aggregate cover body The generated static electricity also hinders transmission and reception of normal signals between the CPU, the ROM, and the RAM, and causes a malfunction in the game board control device.

For this reason, it is conceivable that the game board control device is not provided on the back side of the winning ball aggregate cover body but is provided on the back mechanism board side, but it is considered that the game board control device is provided with the electric game device provided on the game board. If the position of the panel control device is far away,
The length of the connection line connecting the two becomes longer, increasing the risk of failure such as disconnection of the connector or disconnection of the signal line. Also, external noise is easily mixed into the electric signal in the signal line. There is a possibility that inconveniences such as malfunction of circuits and various electric components may occur, and stable operation of the electric game machine is not expected, so that high reliability of the pachinko machine cannot be secured.

Further, on one side of the back mechanism panel (generally, on the side of the front frame that can be opened and closed with respect to the main body frame), there is a prize ball discharge device, a prize ball lead-out path for guiding the discharged prize balls to a ball plate, or the like. The prize ball discharge mechanism is provided, and the prize ball discharge path of the prize ball discharge mechanism where the flow of the game ball is frequent is also made of resin, so that static electricity is easily generated, and a game board is provided near the prize ball discharge mechanism. Even when the control device is provided, there is also a problem that a malfunction of the game board control device is easily induced.

<Means for Solving the Problems> The present invention has been proposed in view of the above, and has a back mechanism board (42) and a power terminal section (46) arranged on the back mechanism board for relaying the supply of AC power. The back mechanism board is exchangeably attached to the front frame mounted on the back side, and a game board (4) having a game area (for example, the game section 6) formed on the front face and substantially the center of the game board are fitted. Electric gaming device (e.g., a variable display device)
9, a variable winning device 10 etc.), a game board control device (for example, a second electric control device 48) which controls the electric game device and is exchanged with the exchange of the game board, and On the other hand, a common function control device (for example, the first
An electric control device 47), a prize ball collecting cover body (4a) attached to the back of the game board to guide the prize balls flowing down, and a prize ball provided on one side of the back mechanism board to discharge the prize balls. In a pachinko machine (1) having a discharge mechanism (for example, a prize ball discharge device 45, a prize ball lead-out path, and the like), the game board control device includes a one-chip integrated CPU, ROM, and RAM.
A power supply unit configured to include a microcomputer (68) and provided by converting an AC power supplied from the power supply terminal unit into a predetermined DC power supply usable in the game board control device and supplying the converted DC power supply to the common function control device, The gaming board control device,
The present invention is characterized in that it is disposed on a side surface of the protective cover member and on a back area of the winning ball collecting cover body on the opposite side of the winning ball discharging mechanism.

<Function> A one-chip microcomputer with integrated CPU, ROM, and RAM of the game board control device,
The power supply that converts the AC power supplied from the power supply terminal into a predetermined DC power that can be used by the game board control device has been moved from the game board control device to the common function control device. The storage case can be easily provided on the back side of the winning ball collecting cover body which can be downsized and has a small empty space, and the power supply unit serving as a heat source can be separated from the protective cover member which easily raises the temperature.

In addition, One Chip My Computer has a CPU, ROM,
The RAM is connected by the internal bus, and the noise caused by the static electricity generated by the operation of the electric game machine and the static electricity generated by the prize ball collecting cover body causes the normal signal between the CPU, ROM, and RAM to be generated. It does not prevent transfer.

Also, by disposing the game board control device in the rear area of the winning ball aggregate cover body, the length of the connection line connecting the game board control device and the electric game device provided on the game board is shortened, and the connector In addition to preventing failures such as disconnection and disconnection of the signal line as much as possible, it also minimizes the risk of external noise being mixed into the electrical signal in the signal line. Prevents electrical components from malfunctioning.

Furthermore, since the game board control device is disposed on the side of the protective cover member at the center of the rear surface of the winning ball collecting cover body and on the side opposite to the winning ball discharging mechanism, a portion where static electricity is easily generated ( The game board control device can be arranged at a position sufficiently distant from the prize ball discharging mechanism (arrangement portion of the prize ball discharging mechanism), so that malfunction of the game board control device due to static electricity can be prevented.

<Example> Next, an example of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the pachinko machine 1 is provided with a ball supply tray 3 and the like on a frame-shaped front frame 2 which can be opened and closed with respect to a main body frame, and a game board 4 so as to close a window of the front frame 2 from behind. Is provided.

The game board 4 has a game section 6 as a game area surrounded by guide rails 5 on its surface, and prize-winning tools 7 are arranged in the game section 6, and a variable display is provided substantially at the center of the game section 6. A variable display device 9 as an electric game device having a game device 8 is mounted in a state protruding from the back surface. For example, a variable winning device 10 is provided below the variable display device 9 as appropriate, A start port 12 having a start switch 11 therein and an out port 13 are provided at a lower center thereof between the apparatus 9 and the apparatus 9.

As shown in FIG. 3, the variable display device 9 is provided with three 7s at approximately the center of the front surface of the board 14 attached to the game board 4.
A variable display 8 composed of segments is provided,
An armor portion 15 protrudes from an upper portion of the variable display device 8, and a suitable number of storage display devices 16 are provided below the variable display device.

The variable winning device 10 described above, as shown in FIGS.
A horizontally long ball passage opening 18 is opened substantially at the center of a first substrate 17 attached to the game board 4, and the ball passage opening 18 is opened and closed by a first drive source 19, which is disadvantageous for a player in a first state and a game. The ball receiving door 20 which can be converted to the second state which is advantageous to the user is rotatably mounted on the shaft, and a window 21 made of a horizontally long transparent member or the like is opened below the ball passage opening 18 so that the ball passing On the left and right sides of the mouth 18, there are rotatably mounted ball receiving pieces 23 which can be opened and closed by a second drive source 22 and can be converted into a first state disadvantageous to the player and a second state advantageous to the player. It is.

In addition, on the left and right of the front surface of the first substrate 17, a winning number display 24 for displaying the winning number to the variable winning device 10 is provided,
A second substrate 26 having a light emitting display member 25 is mounted on the back side of the first substrate 17, and a second drive source 22 for driving a crank 27 to open and close the ball receiving piece 23 is mounted from behind the second substrate 26. is there.

On the front surface of the ball receiving door 20, a fan-shaped member 28 serving as a weight and a stopper is provided, and a first drive source 19 for opening and closing the ball receiving door 20 via a lever 29 is connected to the game board 4 capable of being connected to the lever 29. It is attached to the back of the right place.

Further, one end of a lever 29 rotatably mounted on the second substrate 26 is brought into contact with the upper surface of a contact piece 20a provided below the ball receiving door 20, and the lever 29 is provided with a first drive. The plunger 31 of the solenoid 30 constituting the source 19 is configured to abut from above.

Therefore, at the time of demagnetization, the plunger 31 of the solenoid 30 protruding downward by the bias of the spring presses the lever 29 downward, so that the lever 29 abuts on the contact piece 20 of the ball receiving door 20.
A pressing force capable of depressing a is applied to hold the ball receiving door 20 at a position (first state) at which the ball passage opening 18 is closed. When the first drive source 19 is driven, that is, when the solenoid 30 is excited, the pressing force on the lever 29 disappears, and the pressing force from the lever 29 disappears. The lever 29 is rotated while being pushed up by its own weight, and the ball passage opening 18 is opened to change to the second state.

An operating piece 34 is attached to a plunger 33 of a solenoid 32 constituting the second drive source 22 attached to the second substrate 26, and a horizontally long crank receiving hole provided at an appropriate position of the operating piece 34.
The rear end of the crank 27 is loosely fitted to 35, and the front side of the crank 27 is connected to the shaft 36 of the ball receiving piece 23.

Therefore, at all times when the second drive source 22 is not driven,
The operating piece 34 is held in a depressed state by the plunger 33 of the solenoid 32 biased by a spring, so that the ball receiving piece 23 can be kept in the first state, and when the variable winning device 10 is driven, By driving the second drive source 22, the plunger 33 of the solenoid 32 pulls up the operating piece 34, and rotates the crank 27 connected to the shaft 36 by a predetermined angle to open the ball receiving piece 23 left and right. Second
It is transformed into a state.

In addition, the ball passage opening 18 of the variable winning device 10 is divided into a continuous winning opening 37 and a general winning opening 38, and a continuous detector 39 is provided only inside the continuous winning opening 37, and the continuous winning opening 37 is won. The distinguished ball can be distinguished from the ball that has won another general winning opening 38.

A winning number detector 41 is provided on the winning ball flow path 40 communicating with the above-mentioned continuous winning opening 37 and the general winning opening 38, and the number of winning balls detected by the winning number detector 41 is determined by the number of winning balls. It is displayed on the display 24.

A back mechanism board 42 provided on the back of the pachinko machine 1 has a ball storage tank 43, a ball outlet gutter 44, a prize ball discharge device 45, a hit ball launching device,
The winning ball processing device and the like are arranged at required positions.
Of the prize tool 4 and the prize balls supplied from the prize ball collective cover body 4a are appropriately processed, and a predetermined number of prize balls are provided according to the prize balls (a prize ball discharge device 45 and a prize ball). Discharge route). In addition, during the operation of the game store, ball clogging may occur on the back side of the pachinko machine 1 (for example, the ball storage tank 43 of the back mechanism board 42, the ball outlet gutter 44, and the like). In order to perform this, the front frame 2 must be opened and closed, but a prize ball discharging mechanism must be provided on the open side of the front frame 2 (left side facing the back of the pachinko machine) where impact is likely to be applied when opening and closing the front frame 2. Therefore, it is customary to arrange a prize ball discharging mechanism on the hinge side (the right side in FIG. 7) of the rear surface of the front frame 2.

Further, for example, a power supply terminal unit 46 for supplying power to various electric devices is provided on the upper rear surface of the pachinko machine 1, and a first electric control device 47 is provided adjacent to the power supply terminal unit 46 to play the game board 4. The second electric control device is provided on the back side of the winning ball collecting cover body 4a (on the back side of the game board 4) disposed on the back side of the game.
48, and the first electric control device 47 and the second electric control device 48 are functionally connected by a connection line 49, so that various game devices such as various detectors and the variable display device 9 are provided. Is an electrical control device for controlling the That is, the first electric control device 47 as a common function control device including a power supply unit serving as a heat source, which can be used continuously regardless of the type of the game board, is provided on the main body side of the pachinko machine 1 (the back mechanism). The board 42) has a second electric control device 48 as a game board control device provided with control means for a game board specific function which needs to be replaced every time the game board 4 is replaced. On the back side of the camera).

The first electric control device 47 is a device in which a first control board 50 having various electric components is housed in a first storage case 53 formed by a box-shaped upper cover member 51 and a bottom cover member 52. The radiator 53 has a radiating hole 54 for releasing heat generated from the electric components of the first control board 50 to the outside. Also, spaces are formed between one side surface of the first control board 50 and the inner surface of the upper cover member 51 and between the other side surface of the first control board 50 and the inner surface of the bottom cover member 52, respectively. The first control board 50 is stored in the first storage case 53. The bottom cover member 52 is provided with a cushioning material 52a made of urethane or the like so that the back surface of the first control board 50 can be prevented from contacting the bottom cover member 52.

The first control board 50 includes a power amplifier 5a and a constant voltage generator 55
b, a power supply area 58 composed of a radiator 55c, a large-capacity capacitor 56, a coil 57, etc., and an amplifier 5 that emits a predetermined sound.
9. An audio area 61 and the like including a capacitor 60 and the like are provided, and various electric components are functionally connected by printed wiring on the back surface.

An outlet plug 53a is provided on the back surface of the bottom lid member 52, and the first electrical control device 47 is connected to the power supply outlet provided in the main body of the pachinko machine 1 by the outlet plug 53a. In addition to being fixed to the machine 1, the AC supplied from the outlet is converted into a predetermined DC and supplied to the second electric control device 48. Further, a speaker 2a is provided on the front side of the disposition position of the first electric control device 47, and the first electric control device 47 having the sound area 61 and the speaker 2a are brought close to each other.

The second electric control device 48 is a device in which a second control board 62 having various electric components is housed in a second storage case 65 formed by a box-shaped upper cover member 63 and a bottom cover member 64. A shield plate 66 is interposed between the bottom cover member 64 and the bottom cover member 64, and is shielded by a contact piece 66 a projecting from the plate surface of the shield plate 66 toward the second control board 62 and abutting against one side of the second control board 62. A space is formed between the plate 66 and the second control board 62. A space is also formed between the second control board 62 and the inner surface of the upper lid member 63, as in the case of the first electric control device 47, and a shield plate 66 is provided on the second control board 62 side. Is provided with a buffer material 66b, and the second control board 6
2 is protected from impact, and it is possible to prevent the second control board 62 from contacting the shield plate 66 to short-circuit the circuit of the second control board 62.

Also, for example, a mounting piece 64 provided at an appropriate position on the side surface of the bottom lid member 64
a is provided with a locking member 67. By providing a locking portion that can be disengaged from the locking member 67 on the winning ball aggregate cover body 4a, which is the back surface of the game board 4, the second electric control device 48 is provided. Can be removably attached to the winning ball aggregate cover body 4a, which is the back of the game board 4.

The second control board 62 includes a one-chip microcomputer 68 in which a CPU serving as arithmetic processing means, a ROM serving as control data storage means, and a RAM serving as variation data storage means are integrated.
A logic area 70 including a crystal oscillator 69 for supplying a clock as a basic pulse signal to the one-chip microcomputer 68, and power converters 71a and 71b for enabling drive control and input signal conversion. A conversion area 72 and a connection area 74 in which a connector provided at an end of a cable for connecting to each electric game machine and a detachable connector pin 73 are arranged and arranged are provided. Functionally connected by printed wiring on the back. It should be noted that the shape of the upper lid member 63 is appropriately determined so that the connector pins 73 are exposed from the second storage case 65.

As described above, the first electric controller 47 controls the electric game machines and the like to control the progress of the game.
And the second electric control device 48, and a general-purpose game machine common function (the power supply area 58 and the sound area 61 in this embodiment) for various game boards is provided on the front frame 2 of the pachinko machine 1. Only the second electric control device 48 having the game board control function (in this embodiment, the logic area 70, etc.) which is continuously used while being fixed to the back side and can be used only for a specific game board is exchanged together with the game board. It is possible to do.

Therefore, the cost associated with the replacement of the game board 4 can be reduced, and the only electrical control device created according to the replacement game board 4 is the second electrical control device 48.
The board wiring of the control board of the electric control device is simplified, design errors at the design stage can be prevented as much as possible, and the assembling work in the production process can be made more efficient. In the present embodiment, the function separated from the old electric control device is configured independently as the first electric control device 47. For example, the function separated from the old electric control device may be used. It may be added to a hit ball launching device, a discharge control device, or the like.

Moreover, the second electric control device 48 is constituted by the logic area 70, the conversion area 72, and the connection area 74 which are compatible only with the specific game board 4, and has a relatively large AC-DC conversion function with a high calorific value. To the first electrical control device 47,
Since it was configured to include a one-chip microcomputer 68 with a built-in CPU, ROM, and RAM,
The main body of the second electric control device 48 can be reduced in weight and size, and the game board control device mainly including the game board specific functions in the electric control device can be mounted on the rear area of the relatively small winning ball aggregate cover 4a. Become. In addition, CUP, ROM, RA
Since M is connected by a bus in the chip, noise may be mixed in from the signal line and cause malfunctions, such as when connecting CUP, ROM, RAM as individual integrated circuits by printed wiring etc. There is no.

Also, a first electric control device as a common function control device
By arranging 47 on the back mechanism board 42 side and the second electric control device 48 as a game board control device on the back area of the winning ball aggregate cover body 4a, both are appropriately separated from each other. The inconvenience that the second electric control device 48 is erroneously operated or damaged by heat generated from the first electric control device 47 having the power supply region 58 having a relatively high heat generation amount is minimized. Thus, the operation of the electric game machine by the electric control device can be stabilized, and the pachinko machine 1 with extremely high reliability can be obtained.

As shown in FIG. 7, when the second electric control device 48 is disposed near the prize ball discharging mechanism, the second electric control device 48 as a game board control device is affected by static electricity. May malfunction. In other words, static electricity is likely to be generated in the prize ball discharge mechanism in which metal pachinko balls frequently fall down the resin ball flow path.
It is undesirable to provide an electrical control 48.

Therefore, in the pachinko machine according to the present invention, as shown in FIG. 13, the second electric control device 48 is disposed as far as possible from the position where the prize ball discharging mechanism is disposed. That is, the protective cover member (which covers a required portion of the rear protruding portion of the variable display device 9 as an electric game device which is mounted by inserting the game board 4) is mounted on the center of the rear surface of the winning ball aggregate cover body 4a. Lateral side and opposite side of the prize ball ejection mechanism (13th
In the figure, it is arranged on the left side of the winning ball aggregate cover body). In this way, it is possible to effectively prevent the influence of static electricity generated on the prize ball discharging mechanism from affecting the second electric control device 48.

Further, in the embodiment shown in the drawings, the second electric control device 48 is attached to the back of the winning ball aggregate cover 4a, which is the back of the game board 4, so that the game board 4 to be replaced is compatible with the game board 4. If the delivery is performed with the second electric control device 48 having the property, the delivery cost can be reduced, and the second electric control device 48 that is not compatible with the game board can be achieved.
Is prevented from being accidentally delivered to a pachinko parlor.

The method of attaching the second electric control device 48 to the winning ball aggregate cover body 4a, which is the back side of the game board 4, is not limited to the above-described embodiment. For example, as shown in FIG. The electric control device 48 is provided with a locking projection 75, and a locking hole 76 that can be engaged with and disengaged from the locking projection 75 is provided with a winning ball collecting cover body.
4a is opened on the left side of the rear surface, the locking projection 75 is inserted into the locking hole 76, and then the second electric control device 48 is rotated substantially 90 degrees, whereby the locking projection 75 May be locked to the edge of the locking hole 76 to be fixed.

In the above embodiment, the connection region 74 is provided on the second control board 62. However, as in the other embodiment shown in FIG. 14, the connection region 74 is provided independently on the back surface of the upper lid member 63. May be configured.

<Effects of the Invention> As described above, according to the present invention, a game board control device is constituted by a one-chip microcomputer integrally incorporating a CPU, a ROM, and a RAM, and the AC supplied from a power supply terminal unit. The power supply unit that converts the power supply into a predetermined DC power supply that can be used by the game board control device has been moved from the game board control device to the common function control device, so that the game board control device itself can be downsized and the space available is narrow. It is easy to provide a storage case on the back side of the winning prize ball collecting cover body, and by separating the power supply unit, which is a heat source, from the protective cover member which easily raises the temperature, the electronic components of the game board control device rise. Prevents malfunction due to overheating.

In addition, One Chip My Computer has a CPU, ROM,
The RAM is connected by the internal bus, and the noise caused by the static electricity generated by the operation of the electric game machine and the static electricity generated by the prize ball collecting cover body causes the normal signal between the CPU, ROM, and RAM to be generated. Since the transfer is not prevented, the reliability of the control operation of the game board control device can be improved.

Also, by disposing the game board control device in the rear area of the winning ball aggregate cover body, the length of the connection line connecting the game board control device and the electric game device provided on the game board is shortened, and the connector In addition to minimizing the risk of failures such as disconnection or disconnection of the signal line, the risk of external noise being mixed into the electrical signal in the signal line is reduced. Malfunctions of the integrated circuit and various electric components can be prevented as much as possible.

Furthermore, since the game board control device is disposed on the side of the protective cover member at the center of the rear surface of the winning ball collecting cover body and on the side opposite to the winning ball discharging mechanism, a portion where static electricity is easily generated ( The game board control device can be arranged at a position sufficiently distant from the prize ball discharging mechanism (arrangement portion of the prize ball discharging mechanism), so that malfunction of the game board control device due to static electricity can be prevented.

Therefore, with the synergistic effect that malfunctions due to heat, external noise, and static electricity can be well prevented, the operation control of the electric game machine by the game board control device can be stabilized, and an extremely reliable pachinko machine can be obtained. .

[Brief description of the drawings]

The drawings show an embodiment of the pachinko machine according to the present invention,
1 is a front view of a pachinko machine, FIG. 2 is a front view of a game board, FIG. 3 is a front view of a variable display device, FIG. 4 is a perspective view of a variable prize device, and FIG. FIG. 6 is an exploded perspective view, FIG. 6 is a vertical sectional view of a variable winning device mounted on a game board, FIG. 7 is a rear view of a pachinko machine, FIG. 8 is a perspective view of a first control board, and FIG. FIG. 10 is an exploded perspective view of the first electric control device, FIG. 11 is a perspective view of the second control board, and FIG. 12 is an exploded perspective view of the second electric control device. FIG. 13 is a perspective view showing another attaching / detaching means of the second electric control device and the game board, and FIG. 14 is an exploded perspective view showing another embodiment of the second electric control device. In the figure, 1 is a pachinko machine, 4a is a prize ball collecting cover body, 6 is a game section, 9 is a variable display device, 10 is a variable prize device, 42 is a back mechanism board, 45 is a prize ball discharge device, and 46 is a power terminal. Department, 47
Is a first electric control device, 48 is a second electric control device, and 68 is a one-chip microcomputer.

Claims (1)

(57) [Claims] 1. A back mechanism board, a power supply terminal unit arranged on the back mechanism board for relaying the supply of AC power, and a back mechanism board is exchangeably mounted on a front frame mounted on the back side and mounted on the front face. A game board having a game area formed therein, an electric game machine which is fitted in a state where the game board is inserted through substantially the center of the game board and protrudes from the back side, and controls the electric game machine and accompanies replacement of the game board. A game board control device that is exchanged for a game machine, a common function control device that controls game machine common functions that are versatile to the game board and is located on the back mechanism board side, and is installed on the back of the game board and wins A pachinko machine comprising: a winning ball collecting cover body for guiding a ball flowing down; and a prize ball discharging mechanism provided on one side of the back mechanism panel for discharging a prize ball. One with built-in ROM and RAM The common function control device is provided with a power supply unit that is configured to include a microcomputer and converts the AC power supplied from the power supply terminal unit into a predetermined DC power supply that can be used by the game board control device and supplies the DC power supply. A pachinko machine wherein the game board control device is disposed on a side surface of a protective cover member and in a rear area of a winning ball collecting cover body opposite to a winning ball discharging mechanism.