CN206728153U - A kind of picture signal pinboard of liquid crystal TV set - Google Patents
A kind of picture signal pinboard of liquid crystal TV set Download PDFInfo
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- CN206728153U CN206728153U CN201720607351.8U CN201720607351U CN206728153U CN 206728153 U CN206728153 U CN 206728153U CN 201720607351 U CN201720607351 U CN 201720607351U CN 206728153 U CN206728153 U CN 206728153U
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- vbo
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- power supply
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Abstract
The utility model discloses a kind of picture signal pinboard of liquid crystal TV set, it is arranged between TV SOC plates and LED PANEL.Including a pcb board, VBO input interfaces, the VBO output interfaces for being connected with LED PANEL, a power supply module and the NT72334MEMC master chips for signal converting for being connected with TV SOC plates are provided with the pcb board.Wherein, the NT72334MEMC master chips are built-in with DDR.The signal input part of the NT72334MEMC master chips connects the VBO input interfaces, and the signal output part of the NT72334MEMC master chips connects the VBO output interfaces.The input of the power supply module connects the VBO input interfaces, and the output end of the power supply module connects the input of the NT72334MEM master chips.The output signal that technical solutions of the utility model can switch to 60Hz VBO signals 120Hz is transferred to LCDs, meets the market demands of liquid crystal TV set high-quality screen.
Description
Technical field
It the utility model is related to liquid crystal TV set field, the picture signal pinboard of more particularly to a kind of liquid crystal TV set.
Background technology
Liquid crystal TV set is liked that the signal of field of television is defeated at present with the picture of its high quality by consumers in general
Go out generally 60Hz VBO signals, still, with the high speed development of liquid crystal display, in order to meet the picture matter of LCD TV
Amount, the input signal of LCDs is mostly 120Hz, and 60Hz VBO signals obviously can not meet the needs of market.
Utility model content
Main purpose of the present utility model is to propose a kind of picture signal pinboard of liquid crystal TV set, it is intended to by 60Hz's
The output signal that VBO signals switch to 120Hz is transferred to LCDs, meets that the market of liquid crystal TV set high-quality screen will
Ask.
To achieve the above object, the utility model proposes a kind of picture signal pinboard of liquid crystal TV set, it is arranged on
Between TV SOC plates and LED PANEL.Including a pcb board, the VBO for being connected with TV SOC plates is provided with the pcb board
Input interface, the VBO output interfaces for being connected with LED PANEL, a power supply module and one are used for signal converting
NT72334MEMC master chips.Wherein, the NT72334MEMC master chips are built-in with DDR.The NT72334MEMC master chips
Signal input part connects the VBO input interfaces, and the signal output part connection VBO of the NT72334MEMC master chips is defeated
Outgoing interface.The input of the power supply module connects the VBO input interfaces, described in the output end connection of the power supply module
The input of NT72334MEM master chips.
Preferably, described image Signals Transfer Board is also additionally arranged an external power supply input interface, the external power supply input
The output end of interface is connected with the power supply module.
Preferably, the power supply module include a MP8761 chips, the first MP1652 chips, the 2nd MP1652 chips and
3rd MP1652 chips.
Preferably, the installation back side of the NT72334MEMC master chips scribbles a thermal grease layer, also, the heat conduction
A heat sink is fitted with layer of silica gel, the heat sink is fixed by least two plastic columns and pcb board installation.
Preferably, some radiating fins are additionally provided with the heat sink.
Preferably, I2C buses are passed through between the VBO input interfaces, VBO output interfaces and NT72334MEMC master chips
Connection.
Preferably, described image Signals Transfer Board also include be connected with the NT72334MEMC master chips one for depositing
Store up FLASH chip, a crystal oscillator and one for providing clock effect for the NT72334MEMC master chips for program
The reset chip of guarantee system normal operation.
Compared with prior art, the beneficial effects of the utility model are：One is made by using NT72334MEMC master chips
The pinboard of block independence, when in use, it is connected directly between TV SOC plates and LED PANEL, install and use behaviour
Make simple and convenient.
Also, NT72334MEMC master chips carry DDR storage, only needed when pcb board makes 2 laminates carry out wiring with
Layout, simplifies system, greatly strengthen the stability of system and reduces production cost；NT72334MEMC master chips are supported
The fast gate techniques of 3D, exportable synchronizing signal；Motion debounce function can effectively remove the motion blur phenomenon during display image, increase
Strong display effect.Maximum supports VBO5K2K@120Hz outputs, the image of exportable high definition；60Hz VBO signals can be switched to
120Hz output signal is transferred to LCDs, meets the market demands of liquid crystal TV set high-quality screen.
Furthermore by setting independent power supply module, not only can by Power convert into multiple voltage pattern export to
NT72334MEMC master chips, it can also play buffer action, reduce interference of the power pack to NT72334MEMC master chips,
Enhance the stability of system.
Brief description of the drawings
Fig. 1 is the module connection figure of the utility model Signals Transfer Board；
Fig. 2 is the utility model MP8761 chip voltage change-over circuit schematic diagrams；
Fig. 3 is the MP1652 chip voltage change-over circuit schematic diagrams of the utility model the first；
Fig. 4 is the MP1652 chip voltage change-over circuit schematic diagrams of the utility model the 2nd；
Fig. 5 is the MP1652 chip voltage change-over circuit schematic diagrams of the utility model the 3rd；
Fig. 6 is the utility model FLASH chip circuit theory diagrams；
Fig. 7 is the utility model crystal-oscillator circuit schematic diagram；
Fig. 8 is the utility model reset chip circuit theory diagrams；
Fig. 9 is the utility model fin mounting structure schematic diagram；
Figure 10 is the utility model top layer silk-screen schematic diagram；
Figure 11 is the utility model bottom silk-screen schematic diagram；
Figure 12 is the utility model top layer solder mask schematic diagram；
Figure 13 is the utility model bottom solder mask schematic diagram；
Embodiment
A kind of picture signal pinboard for liquid crystal TV set that the present embodiment proposes, the picture signal pinboard are connected to TV
Between SOC plates (not shown) and LED PANEL (not shown)s, wherein, TV SOC plates are television system mainboard, LED
PANEL is liquid crystal display.
As shown in figure 1, picture signal pinboard includes：One pcb board 13, be provided with pcb board 13 for and TV SOC plates
The VBO input interfaces 1 of connection, VBO output interfaces 2, a power supply module 4 and one for being connected with LED PANEL are used for signal
The NT72334MEMC master chips 3 of switching.Wherein, NT72334MEMC master chips 3 are built-in with DDR.NT72334MEMC master chips 3
Signal input part connection VBO input interfaces 1, the signal output part connection VBO output interfaces 2 of NT72334MEMC master chips 3.
The input connection VBO input interfaces 1 of power supply module 4, the output end of power supply module 4 connects the defeated of NT72334MEM master chips 3
Enter end.
It should be noted that NT72334MEMC master chips 3 are a MEMC single-chips of the newest production of Novatek companies.
NT72334MEMC master chips 3 carry DDR storages, only need 2 laminates to be connected up and be laid out when pcb board makes, simplify and be
System, it greatly strengthen the stability of system and reduce production cost；NT72334MEMC master chips support the fast gate techniques of 3D, can
Export synchronizing signal；Motion debounce function can effectively remove the motion blur phenomenon during display image, strengthen display effect.Most
It is big to support VBO5K2K@120Hz outputs, the image of exportable high definition；60Hz VBO signals can be switched to 120Hz output letter
Number LCDs is transferred to, meets the market demands of liquid crystal TV set high-quality screen.
60Hz VBO signals, state control signal are transferred to NT72334MEMC master chips 3 by VBO input interfaces 1,
NT72334MEMC master chips 3 are handled by the Motion estimation and compensation of inside, and 120Hz VBO signals, state are controlled
Signal is transferred to VBO output interfaces 2, realizes the conversion of LCD TV VBO signals.Meanwhile VBO input interfaces 1 can also pass simultaneously
Defeated synchronizing signal LR_SYNC realizes the synchronization of signal, ensures picture to NT72334MEMC master chips 3 and VBO output interfaces 2
Quality.12V electricity can respectively be walked around and be changed to 0.9V, 1.5V, 2.5V and 3.3V by power supply module 4, be NT72334MEMC main cores
Piece 3 is powered.Meanwhile power supply module 4 is independently arranged, it is relatively isolated with NT72334MEMC master chips 3, reduces power pack pair
The interference of NT72334MEMC master chips 3, enhance the stability of system.
Further, picture signal pinboard is also additionally arranged an external power supply input interface 8, external power supply input interface 8
Output end be connected with power supply module 4.NT72334MEMC master chips 3 can be powered by external power supply, improve the choosing of power supply
Selecting property and flexibility.
Further, power supply module 4 includes a MP8761 chips, the first MP1652 chips, the 2nd MP1652 chips and the
Three MP1652 chips.MP8761 chips can be converted to 12V electricity 0.9V, and the first MP1652 chips can be converted to 12V electricity
1.5V, the 2nd MP1652 chips can be converted to 12V electricity 2.5V, and 12V electricity can be converted to 3.3V by the 3rd MP1652 chips.
Wherein, MP8761 chips, MP1652 chips are respectively the power supply chip of prior art, and its change-over circuit figure is respectively such as
Shown in Fig. 2-5.
Further, as shown in figure 9, the installation back side of NT72334MEMC master chips 3 scribbles a thermal grease layer 9, and
And a heat sink 10 is fitted with heat conduction silicone, heat sink is fixed by least two plastic columns 11 with the installation of pcb board 13.Figure
As Signals Transfer Board can produce substantial amounts of heat at work, by increasing heat sink 10, NT72334MEMC master chips can be accelerated
3 radiating, NT72334MEMC master chips 3 are played a protective role, improve its service life and performance.
Further, some radiating fins 12 are additionally provided with heat sink 10.Area of dissipation is added, is substantially increased
Radiating efficiency, radiating effect are more preferable.
Further, it is total by I2C between VBO input interfaces 1, VBO output interfaces 2 and NT72334MEMC master chips 3
Line connects.I2C buses have the communication protocol of oneself, it is ensured that the stability of signal transmission between module, meanwhile, structure and cloth
Line is simple, saves cost.
Further, what picture signal pinboard also included being connected with NT72334MEMC master chips 3 one is used for storage program
FLASH chip 6, one be used for for NT72334MEMC master chips 3 provide clock effect crystal oscillator 5 and one ensure system
The reset chip 7 of normal operation.It ensure that the stability of system operation and the effect of image.With NT72334MEMC master chips 3
The reset chip 7 of connection can detect before system operation to program, ensure the normal operation of program.
Wherein, Fig. 6 is FLASH chip circuit theory diagrams, and Fig. 7 is crystal-oscillator circuit schematic diagram, and Fig. 8 is reset chip
Circuit theory diagrams,
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (7)
1. a kind of picture signal pinboard of liquid crystal TV set, is arranged between TV SOC plates and LED PANEL, its feature exists
In be provided with, an including pcb board, the pcb board for be connected with TV SOC plates VBO input interfaces, be used for and LED
VBO output interfaces, a power supply module and the NT72334MEMC master chips for signal converting of PANEL connections；Wherein, institute
State NT72334MEMC master chips and be built-in with DDR；The signal input part of the NT72334MEMC master chips connects the VBO inputs
Interface, the signal output part of the NT72334MEMC master chips connect the VBO output interfaces；The input of the power supply module
End connects the VBO input interfaces, and the output end of the power supply module connects the input of the NT72334MEM master chips.
2. the picture signal pinboard of liquid crystal TV set as claimed in claim 1, it is characterised in that it is additionally arranged an external electricity
Source input interface, the output end of the external power supply input interface are connected with the power supply module.
3. the picture signal pinboard of liquid crystal TV set as claimed in claim 1, it is characterised in that the power supply module includes
One MP8761 chips, the first MP1652 chips, the 2nd MP1652 chips and the 3rd MP1652 chips.
4. the picture signal pinboard of liquid crystal TV set as claimed in claim 1, it is characterised in that the NT72334MEMC
The installation back side of master chip scribbles a thermal grease layer, also, a heat sink is fitted with the heat conduction silicone, the radiating
Plate is fixed by least two plastic columns and pcb board installation.
5. the picture signal pinboard of liquid crystal TV set as claimed in claim 4, it is characterised in that also set on the heat sink
It is equipped with some radiating fins.
6. the picture signal pinboard of liquid crystal TV set as claimed in claim 1, it is characterised in that the VBO input interfaces,
Connected between VBO output interfaces and NT72334MEMC master chips by I2C buses.
7. the picture signal pinboard of the liquid crystal TV set as described in claim 1-6 is any, it is characterised in that also include and institute
State the one of the connection of NT72334MEMC master chips and be used for the FLASH chip of storage program, one for being the NT72334MEMC master
Chip provides the crystal oscillator of clock effect and the reset chip of a guarantee system normal operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607351.8U CN206728153U (en) | 2017-05-27 | 2017-05-27 | A kind of picture signal pinboard of liquid crystal TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607351.8U CN206728153U (en) | 2017-05-27 | 2017-05-27 | A kind of picture signal pinboard of liquid crystal TV set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206728153U true CN206728153U (en) | 2017-12-08 |
Family
ID=60510986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720607351.8U Expired - Fee Related CN206728153U (en) | 2017-05-27 | 2017-05-27 | A kind of picture signal pinboard of liquid crystal TV set |
Country Status (1)
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|---|---|
| CN (1) | CN206728153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108012102A (en) * | 2017-12-15 | 2018-05-08 | 四川长虹电器股份有限公司 | A kind of LCD TV V-by-One turns the universal adapter plate and system of HDMI output displays |
-
2017
- 2017-05-27 CN CN201720607351.8U patent/CN206728153U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108012102A (en) * | 2017-12-15 | 2018-05-08 | 四川长虹电器股份有限公司 | A kind of LCD TV V-by-One turns the universal adapter plate and system of HDMI output displays |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20190527 |