CN106851146B - A kind of TV motherboard and smart television of the more power supplys of compatible multi-screen - Google Patents
A kind of TV motherboard and smart television of the more power supplys of compatible multi-screen Download PDFInfo
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- CN106851146B CN106851146B CN201710151047.1A CN201710151047A CN106851146B CN 106851146 B CN106851146 B CN 106851146B CN 201710151047 A CN201710151047 A CN 201710151047A CN 106851146 B CN106851146 B CN 106851146B
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- interface
- jump cap
- screen
- resistance
- master chip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
Abstract
The invention discloses the TV motherboards and smart television of a kind of compatible more power supplys of multi-screen, including circuit board；SOC master chip on circuit boards is set；The screen interface selecting module connecting on circuit boards with SOC master chip is set, and screen interface selecting module includes multiple screen interfaces；Be arranged on circuit boards with SOC master chip connection, for by bouncing pilotage selection it is corresponding shield join screen ginseng hardware selecting module；The power supply selecting module connecting on circuit boards with SOC master chip is set；The power amplifier parameter selection mouth connecting on circuit boards with SOC master chip is set；Be arranged on circuit boards with the connection of SOC master chip, for be adapted to the compatible TV liquid crystal display most of on the market of function selecting module driven, some old machines can carry out hardware and software upgrading by using the TV motherboard, the TV that some are broken mainboard can be repaired, or to hardware configuration, relatively low machine upgrades, and provides great convenience to the repair and upgrade of TV.
Description
Technical field
The present invention relates to TV technology, in particular to the TV motherboard and intelligence electricity of a kind of more power supplys of compatible multi-screen
Depending on.
Background technique
As digital lcd TV is constantly universal in recent years, LCD TV is that every family has in China, enormous amount.
But often will appear a problem is, what each producer guaranteed is to repair to screen protection 3 years, and only guarantee to keep in good repair to hardware 1 year, thus
Have a problem, often mainboard be broken screen or it is good.But present technology be screen and mainboard be it is one-to-one,
If mainboard is broken not in the case where guarantee period or mainboard have stopped production, cause a large amount of old screen since mainboard does not have in this way
There is method to repair and cause into salvage station, both waste of resource simultaneously or wastes environment in this way.
Thus the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of electricity of compatible more power supplys of multi-screen
Depending on mainboard and smart television, it is intended to solve TV SKD in the prior art and go bad and shielded not either mainboard of bad when and stopped production
When, the problem of causing old screen directly to scrap and can not continue with.
To solve the above-mentioned problems, this invention takes following technical schemes:
A kind of TV motherboard of the more power supplys of compatible multi-screen, wherein include:
Circuit board；
SOC master chip on the circuit board is set；
The screen interface selecting module connecting on circuit boards with SOC master chip is set, and the screen interface selecting module includes
Multiple screen interfaces；
Be arranged on circuit boards with SOC master chip connection, for by bouncing pilotage selection it is corresponding screen join screen ginseng hardware select
Select module；
Power supply selecting module connecting on circuit boards with SOC master chip, for selecting electric source modes is set；
Power amplifier parameter selection mouth connecting on circuit boards with SOC master chip, for selecting power amplifier parameter is set；
Function selecting module connecting on circuit boards with SOC master chip, for being adapted to driving is set.
The TV motherboard of the more power supplys of compatible multi-screen, wherein the screen interface selecting module includes sequentially connected
VBY-ONE interface unit, LVDS interface unit, SD interface unit and EPI interface unit.
The TV motherboard of the more power supplys of compatible multi-screen, wherein the VBY-ONE interface unit includes the first coupling electricity
Road, the 2nd VBY-ONE interface, the second coupling circuit and the first VBY-ONE interface；One end of first coupling circuit connects
SOC master chip, first coupling circuit the other end connect one end of the 2nd VBY-ONE interface, the 2nd VBY-ONE connects
The other end of mouth connects one end of the second coupling circuit, and the other end of second coupling circuit connects the first VBY-ONE
The other end of one end of interface, the first VBY-ONE interface connects LVDS interface unit；
The LVDS interface unit includes that third coupling circuit, the second LVDS interface, the 4th coupling circuit, the first LVDS connect
Mouthful；One end of the third coupling circuit connects the other end connection of the first VBY-ONE interface, the third coupling circuit
One end of second LVDS interface, the other end of second LVDS interface connect one end of the 4th coupling circuit, the 4th coupling
The other end for closing circuit connects one end of first LVDS interface, and the other end of first LVDS interface connects SD interface
Unit；
The SD interface unit connects including the 5th coupling circuit, the second SD interface, the 6th coupling circuit, the first SD
Mouthful；One end of 5th coupling circuit connects the other end connection the of first LVDS interface, the 5th coupling circuit
One end of two SD interfaces, the other end of the second SD interface connect one end of the 6th coupling circuit, the 6th coupling
The other end of circuit connects one end of the first SD interface, and the other end of the first SD interface connects EPI interface list
Member；
The EPI unit includes the 7th coupling circuit and multiple EPI interfaces；One end of 7th coupling circuit connects
The other end of first SD interface, the 7th coupling circuit is connected in parallel multiple EPI interfaces.
The TV motherboard of the more power supplys of compatible multi-screen, wherein the screen ginseng hardware selecting module passes through first voltage control
Molding block is connect with the SOC master chip；The first voltage control module includes the first pull-up resistor and the first current-limiting resistance；
One end of first pull-up resistor connects the other end connection electricity of the screen ginseng hardware selecting module, first pull-up resistor
ST_A3V3 power supply on the plate of road, one end of first current-limiting resistance connect the screen and join hardware selecting module, first current limliting
The other end of resistance connects the SOC master chip.
The TV motherboard of the more power supplys of compatible multi-screen, wherein screen ginseng hardware selecting module includes the first jump cap, the
Two jump caps, third jump cap, the forth jump cap, the fifth jump cap, the 6th jump cap, the 7th jump cap, the 8th jump cap, the 9th jump cap, the first electricity
Resistance, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance and the 9th resistance；
1 foot of the 9th jump cap passes sequentially through 1 foot of the 8th jump cap, 1 foot of the 7th jump cap, 1 foot of the 6th jump cap, the fifth jump cap
1 foot, 1 foot of the forth jump cap, 1 foot of third jump cap, 1 foot of the second jump cap, the first jump cap 1 foot connect the first pull-up resistor
One end is also connected with one end of the first current-limiting resistance；2 feet of first jump cap are grounded by first resistor, second jump cap
2 feet be grounded by second resistance, 2 feet of the third jump cap are passed through by 3rd resistor ground connection, 2 feet of the forth jump cap
4th resistance eutral grounding, for 2 feet of the fifth jump cap by the 5th resistance eutral grounding, 2 feet of the 6th jump cap pass through the 6th resistance
Ground connection, for 2 feet of the 7th jump cap by the 7th resistance eutral grounding, 2 feet of the 8th jump cap are described by the 8th resistance eutral grounding
2 feet of the 9th jump cap pass through the 9th resistance eutral grounding.
The TV motherboard of the more power supplys of compatible multi-screen, wherein the power amplifier parameter selection mouth is controlled by second voltage
Module is connect with the SOC master chip；The second voltage control module includes the second pull-up resistor and the second current-limiting resistance；Institute
The one end for stating the second pull-up resistor connects the other end connection circuit board of the power amplifier parameter selection mouth, second pull-up resistor
Upper ST_A3V3 power supply, one end of second current-limiting resistance connect the power amplifier parameter selection mouth, second current-limiting resistance
The other end connects the SOC master chip.
The TV motherboard of the more power supplys of compatible multi-screen, wherein the power amplifier parameter selection mouth includes the tenth jump cap, the tenth
One jump cap, the 12nd jump cap, the tenth resistance, eleventh resistor and twelfth resistor；1 foot of the 12nd jump cap successively leads to
1 foot of 1 foot, the tenth jump cap of crossing the 11st jump cap connects one end of the second pull-up resistor, is also connected with the one of the second current-limiting resistance
End；2 feet of the tenth jump cap are grounded by the tenth resistance eutral grounding, 2 feet of the 11st jump cap by eleventh resistor, institute
2 feet for stating the 12nd jump cap are grounded by twelfth resistor.
The TV motherboard of the more power supplys of compatible multi-screen, wherein the power supply selecting module is connected by standby power IC
The SOC master chip；The power supply selecting module includes the 13rd jump cap and the 14th jump cap；1 foot of the 13rd jump cap
Connect circuit board on 12V power supply, the 13rd jump cap 2 feet connection standby power IC one end, the 1 of the 14th jump cap
Foot connect circuit board on 5V power supply, the 14th jump cap 2 feet connection standby power IC one end, the standby power IC's
The other end connects the SOC master chip.
The TV motherboard of the more power supplys of compatible multi-screen, wherein the function selecting module includes blue tooth interface, Wi-Fi
Interface, keying plate interface and 2.4G interface.
A kind of smart television, wherein the TV motherboard including the more power supplys of compatibility multi-screen.
Compared to the prior art, the TV motherboard and smart television of a kind of compatible more power supplys of multi-screen provided by the invention, it is simultaneous
Hold most of TV liquid crystal display on the market, some old machines can carry out hardware and software by using the TV motherboard
Upgrading, the TV that some are broken mainboard can be repaired, or the machine relatively low to hardware configuration upgrades, to electricity
Depending on repair and upgrade provide great convenience.
Detailed description of the invention
Fig. 1 is the structural block diagram of the TV motherboard of the compatible more power supplys of multi-screen provided by the present invention；
Fig. 2 is the structural frames for shielding interface selecting module in the TV motherboard of the compatible more power supplys of multi-screen provided by the present invention
Figure；
Fig. 3 is the circuit diagram of the TV motherboard of the compatible more power supplys of multi-screen provided by the present invention.
Specific embodiment
The present invention provides the TV motherboard and smart television of a kind of more power supplys of compatible multi-screen, and TV motherboard is compatible with
Most of TV screen body, provides great convenience to the repair and upgrade of TV.
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to
Limit the present invention.
Referring to Fig. 1, its structural block diagram for the TV motherboard of the compatible more power supplys of multi-screen provided by the present invention.The present invention
Provide a kind of TV motherboard of more power supplys of compatible multi-screen, comprising:
Circuit board 100；
SOC master chip 200 on the circuit board 100 is set；
The screen interface selecting module 300 connecting on circuit board 100 with SOC master chip 200, the screen interface selection are set
Module 300 includes multiple screen interfaces；
Be arranged on circuit board 100 with SOC master chip 200 connect, for by bouncing pilotage selection it is corresponding shield join screen ginseng
Hardware selecting module 400；
Power supply selecting module connecting on circuit board 100 with SOC master chip 200, for selecting electric source modes is set
500；
Power amplifier parameter selection connecting on circuit board 100 with SOC master chip 200, for selecting power amplifier parameter is set
Mouth 600；
Function selecting module 700 connecting on circuit board 100 with SOC master chip 200, for being adapted to driving is set.
Specifically, the screen interface selecting module 300 concentrates on prefabricated corresponding screen stand, In on circuit board 100
It is corresponding to connect corresponding screen stand with screen, wherein screen stand has EPI, high definition, SD, 4K2K and the combination of different screen producers etc..
More specifically, in screen interface selecting module 300 on hardware view prefabricated types such as SD, high definition, 4K*2K, OLED in advance,
And the standard interface of each producer, when use, select corresponding interface.
The screen ginseng hardware selecting module 400 is used to select different electric potential signals to inform by hardware bouncing pilotage or wire jumper
The software run in SOC master chip 200 selects corresponding screen ginseng image quality.It is selected in screen interface selecting module 300 corresponding
After shielding interface and connecting screen line, then in the screen ginseng hardware selecting module 400 corresponding screen ginseng of bouncing pilotage selection.
The power supply selecting module 500 be based on to smart television numerous power supplys consideration sum up come several power supplys be compatible with mould
Formula, including electric source modes 1, electric source modes 2, electric source modes 3 etc., this mainly adapts to power type and needs and set simultaneous
Capacitive option.The power supply selecting module 500 is selected for electric source modes, according to different power supply characteristic selection standby powers or
Control power supply.
The power amplifier parameter selection mouth 600 be based on power amplifier support 0-30V voltage range voltage, different voltage its
The corresponding acoustic parameter for being written to digital power amplifier has difference, therefore preset a variety of common power parameters select mouth, such as sound equipment electricity
Pressure 1, sound equipment voltage 2, sound equipment voltage 3 etc..The acoustic parameter includes sonic profile, EQ, frequency response, the parameters such as clipping.
The function selecting module 700 is to consider to be prefixed more external function and interface, and such as built-in Wi-Fi is blue
Tooth also receives first-class various built-in devices, this can be according to original TV in HardwareUpgring or mainboard maintenance replacement
Function is selected, as in the past receiver board and the present TV motherboard such as Wi-Fi plate if reserve corresponding interface above
For using.
Wherein, the usage of the TV motherboard of the more power supplys of compatible multi-screen provided by the present invention is, according to wanting upgrade or repair
Smart television, detect screen therein ginseng, power supply, and the information such as functional module in the past, line selection will be shielded in advance according to these information
It selects corresponding screen interface in screen interface selecting module 300 to connect, passes through screen ginseng hardware selecting module further according to the model of screen later
The corresponding screen ginseng of 400 selections, selects different electric source modes (to use bouncing pilotage according to the difference of power supply in power supply selecting module 500
Choose, such as list 12V, band 5V etc. selects corresponding electric source modes according to power conditions), power amplifier is provided further according to power supply
Supply voltage selects corresponding power amplifier setup parameter on power amplifier parameter selection mouth 600, and SOC master chip 200 is detecting power amplifier
Setup parameter can call corresponding parameter to be written to digital power amplifier automatically.Other function plate is matched in function selecting module 700
It sets, then configuring corresponding mainboard bracket can be completed the upgrading of old TV motherboard, bad TV motherboard.
The present invention mainly realizes the master that can be compatible with many power supplys and screen in such a way that hardware and software cooperates
Plate, it can compatible TV liquid crystal display most of on the market, some old TVs can by using the TV motherboard into
The upgrading of row hardware and software.The TV of some (such as only bad mainboards) that can not be repaired can be repaired in this way, or to hardware
It configures relatively low TV to be upgraded, provide great convenience to TV after-sale service.
Referring to Fig. 2, the screen interface selecting module 300 includes sequentially connected VBY-ONE interface unit 310, LVDS
Interface unit 320, SD interface unit 330 and EPI interface unit 340.Why arrange in the order described above, is to consider
The rate and sensitivity characteristic of unlike signal.It is arranged according to above-mentioned interfacing order, it can be ensured that the integrality of signal.
Referring to Fig. 2, the VBY-ONE interface unit 310 connects including the first coupling circuit 311, the 2nd VBY-ONE
The 312, second coupling circuit 313 of mouth and the first VBY-ONE interface 314；One end of first coupling circuit 311 connects SOC master
Chip 200, first coupling circuit 311 the other end connect the 2nd VBY-ONE interface 312 one end, the 2nd VBY-
The other end of ONE interface 312 connects one end of the second coupling circuit 313, and the other end of second coupling circuit 313 connects institute
One end of the first VBY-ONE interface 314 is stated, the other end of the first VBY-ONE interface 314 connects LVDS interface unit 320；
The LVDS interface unit 320 includes third coupling circuit 321, the second LVDS interface 322, the 4th coupling circuit
323, the first LVDS interface 324；One end of the third coupling circuit 321 connects the first VBY-ONE interface 314, described
The other end of third coupling circuit 321 connects one end of the second LVDS interface 322, the other end of second LVDS interface 322
One end of the 4th coupling circuit 323 is connected, the other end of the 4th coupling circuit 323 connects first LVDS interface 324
One end, the other end of first LVDS interface 324 connects SD interface unit 330；
The SD interface unit 330 includes the 5th coupling circuit 331, the second SD interface 332, the 6th coupling circuit
333, the first SD interface 334；One end of 5th coupling circuit 331 connects first LVDS interface 324, the described 5th
The other end of coupling circuit 331 connects one end of the second SD interface 332, the other end connection of the second SD interface 332
One end of 6th coupling circuit 333, the other end of the 6th coupling circuit 333 connect the one of the first SD interface 334
The other end at end, the first SD interface 334 connects EPI interface unit 340；
The EPI unit 340 includes the 7th coupling circuit 341 and multiple EPI interfaces 342；7th coupling circuit
341 one end connects the first SD interface 334, and the other end of the 7th coupling circuit 341 is connected in parallel multiple EPI interfaces
342。
When it is implemented, first coupling circuit 311, the second coupling circuit 313, third coupling circuit 321, the 4th coupling
Closing circuit 323, the 5th coupling circuit 331, the first coupling circuit 333 and the 7th coupling circuit 341 is that resistance is in parallel with capacitor
And the coupling circuit formed.SOC master chip 200, which comes out signal and comes out, passes through the first coupling circuit 311, and this coupled modes consider
The considerations of making when interface selects after sale, when selecting VBY-ONE class high-speed interface, resistance is removed, with other interfaces
When resistance retain simultaneously with capacitor.After the first coupling circuit 311, signal wire passes sequentially through VBY-ONE interface unit 310
(being denoted as the area H), LVDS interface unit 320(are denoted as the area Z), SD interface unit 330(be denoted as the area Y) and EPI interface unit 340
(being denoted as the area X), effect are that SOC comes out preferentially to VBY-ONE class high-speed interface, wherein several such interfaces can be set, between interface
Coupling appropriate is awarded again, this is also for signal integrity consideration.Signal is preferentially given again after passing through VBY-ONE class screen interface
LVDS class signal, speed is lower than VBY-ONE class signal, while will also add some coupling circuit between these two types of signaling interfaces, believes
It is finally EPI class signaling interface number again by SD interface circuit.Principle therein is when with previous screen interface, thereafter
The coupling circuit in face disconnect.Such as the circuit in the 5th coupling circuit 331 when using the first LVDS interface 324 thereafter is disconnected
It opens, is in this way also to consider for signal integrity.
Referring to Fig. 3, the screen ginseng hardware selecting module 400 passes through first voltage control module 410 and the SOC main core
Piece 200 connects；The first voltage control module 410 includes the first pull-up resistor R13 and the first current-limiting resistance R14；Described
One end of one pull-up resistor R13 connects the screen ginseng hardware selecting module 400, the other end of the first pull-up resistor R13 connects
ST_A3V3 power supply on circuit board 100 is connect, one end of the first current-limiting resistance R14 connects the screen and joins hardware selecting module
400, the other end of the first current-limiting resistance R14 connects the SOC master chip 200.
Preferably, as shown in figure 3, screen ginseng hardware selecting module 400 includes the first jump cap K1, the second jump cap K2, the
Three jump cap K3, the forth jump cap K4, the fifth jump cap K5, the 6th jump cap K6, the 7th jump cap K7, the 8th jump cap K8, the 9th jump cap K9,
One resistance R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7,
Eight resistance R8 and the 9th resistance R9；1 foot of the 9th jump cap K9 passes sequentially through 1 foot of the 8th jump cap K8, the 7th jump cap K7
1 foot, 1 foot of the 6th jump cap K6,1 foot of the fifth jump cap K5,1 foot of the forth jump cap K4,1 foot of third jump cap K3, the second jump cap
1 foot of K2, the first jump cap K1 1 foot connect the first pull-up resistor R13 one end, be also connected with one end of the first current-limiting resistance R14；
2 feet of the first jump cap K1 are grounded by first resistor R1, and 2 feet of the second jump cap K2 are grounded by second resistance R2,
2 feet of the third jump cap K3 are grounded by 3rd resistor R3, and 2 feet of the forth jump cap K4 are grounded by the 4th resistance R4,
2 feet of the fifth jump cap K5 are grounded by the 5th resistance R5, and 2 feet of the 6th jump cap K6 are grounded by the 6th resistance R6,
2 feet of the 7th jump cap K7 are grounded by the 7th resistance R7, and 2 feet of the 8th jump cap K8 are grounded by the 8th resistance R8,
2 feet of the 9th jump cap K9 are grounded by the 9th resistance R9.
The effect of jump cap (including the 9th jump cap K9 of the first jump cap K1-) is to reach 1 foot in interface with this with 2 foot short circuits
By the resistance access circuit of corresponding branch, makes it connect to form partial pressure with the first pull-up resistor R13, cause the current potential of D point in Fig. 3
Difference, SOC master chip 200, by voltage parameter to the software run in SOC master chip 200, pass through software after collecting voltage
Find out specific screen ginseng.Such as bouncing pilotage is connected on the 9th jump cap K9, resistance value be 1M Ω the 9th resistance R9 access circuit with
The 15th resistance R15 that resistance value is 10K Ω forms series connection partial pressure, at this time the current potential of D point=3.3V*1M Ω/(1M Ω+10K Ω)
=3.26V, SOC master chip 200 after the voltage for collecting D point, further search and call in memory according to voltage by software
Relevant screen ginseng.
Referring to Fig. 3, the power amplifier parameter selection mouth 600 passes through second voltage control module 610 and the SOC master chip
200 connections；The second voltage control module 610 includes the second pull-up resistor R15 and the second current-limiting resistance R16；Described second
One end of pull-up resistor R15 connects the other end connection electricity of the power amplifier parameter selection mouth 600, the second pull-up resistor R15
ST_A3V3 power supply on road plate 100, one end of the second current-limiting resistance R16 connect the power amplifier parameter selection mouth 600, described
The other end of second current-limiting resistance R16 connects the SOC master chip 200.
Preferably, as shown in figure 3, the power amplifier parameter selection mouth 600 include the tenth jump cap K10, the 11st jump cap K11,
12nd jump cap K12, the tenth resistance R10, eleventh resistor R11 and twelfth resistor R12；The 1 of the 12nd jump cap K12
Foot pass sequentially through 1 foot of the 11st jump cap K11, the tenth jump cap K10 1 foot connect the second pull-up resistor R15 one end, be also connected with
One end of second current-limiting resistance R16；2 feet of the tenth jump cap K10 are grounded by the tenth resistance R10, the 11st jump cap
2 feet of K11 are grounded by eleventh resistor R11, and 2 feet of the 12nd jump cap K12 are grounded by twelfth resistor R12.
The power amplifier parameter selection mouth 600 is different and different to the voltage of power amplifier primarily directed to different voltage
The acoustic parameter that sound equipment needs is different, this is also that voltage (its voltage forming process such as screen ginseng hardware selection is caused by bouncing pilotage
The principle of module 400 be it is the same, do not explain in detail herein).Such as when bouncing pilotage connects on the 12nd jump cap K12, the 12nd is jumped
The twelfth resistor R12 that resistance value is 3.3K Ω is linked into circuit and resistance value is the of 10K Ω by 1 foot of cap K12 and the short circuit of 2 feet
17 resistance R17 form series connection partial pressure, and current potential=0.81V of E point, it is suitable that the current potential of software detection to E point is searched according to the current potential
Acoustic parameter (parameter includes sonic profile, graphic equalizer EQ, frequency response, amplification factor etc.), by the acoustic parameter be written number
In word power amplifier.Acoustic parameter is in the preparatory prefabricated software run in SOC master chip 200, when voltage is different corresponding soft
Part just calls different acoustic parameters, is written in digital power amplifier by I2C.
Please continue to refer to Fig. 3, the power supply selecting module 500 passes through the standby power IC510 connection SOC master chip
200；The power supply selecting module 500 includes the 13rd jump cap K13 and the 14th jump cap K14；The 1 of the 13rd jump cap K13
Foot connect 12V power supply on circuit board 100, the 13rd jump cap K13 2 feet connection standby power IC510 one end, described the
The 2 feet connection standby power IC510 of 5V power supply, the 14th jump cap K14 on the 1 foot connection circuit board 100 of 14 jump cap K14
One end, the other end of the standby power IC510 connects the SOC master chip 200.More specifically, the SOC chip 200
Model sea think Hi3751 smart television SOC chip；Standby power IC510 be model 6C14702, TEA1716T or
The power supply chip of FSL206MRN.Above-mentioned SOC chip 200 and the model of standby power IC510 are only used for illustrating, SOC chip 200
And standby power IC510 is not limited to above-mentioned model in the specific implementation.
Present standby voltage has 5V or 12V, and different standby voltage and control signal are selected according to different power supplys, should be to
Electromechanics pressure is converted to other voltages by DC-DC and uses to SOC master chip 200.It should be noted that power supply selecting module 500
This part be according to different power supply characteristics and be arranged standby voltage selection area, because of standby voltage provided by different electrical power
When it is different.
When it is implemented, the function selecting module 700 include blue tooth interface, Wi-Fi interface, keying plate interface and
2.4G interface.The prefabricated different driver in 200 runs softwares of SOC master chip simultaneously, when selection function selecting module
When corresponding interface connects in 700, software can call corresponding driver.
The TV motherboard of the more power supplys of compatible multi-screen of the present invention is when being configured, the specific steps are as follows:
A) electric source modes selection (being selected in power supply selecting module 500), mainly powers on according to original TV
Source configuration, selects suitable power source mode；
B) screen stand selection (the screen stand i.e. in selection screen interface selecting module 300), according to the type of screen and producer, choosing
Suitable screen stand is selected to connect；
C) it is that screen participation in the election is selected and (selected in screen ginseng hardware selecting module 400), is selected by bouncing pilotage by multiple jump caps
Described in after the jump cap short circuit selected to select and shield corresponding screen ginseng, on hardware after selection screen ginseng, software is according to adopting
Collect Hardware I/O mouthfuls of the corresponding screen ginseng of voltage selection；
D) sound equipment selection (being selected on power amplifier parameter selection mouth 600) supplies on hardware according to loudspeaker and power supply
Electricity chooses sound equipment, and software detects corresponding I/O mouthfuls of voltage automatically when booting, and selects corresponding sound equipment according to voltage
Parameter is written into power amplifier；
E) other function configuration (being configured in function selecting module 700), the prefabricated difference mainly on mainboard
The driver of module, when module connects, software is its configuration driven program automatically.
Namely connected in screen stand, electric source modes are chosen, and screen moduli formula is chosen, and Audio mode is chosen, selection function module
After connecting, detect the screen ginseng corresponding first voltage of hardware selecting module 400 (as schemed in booting initial stage SOC master chip 200
The current potential of D point in 3), corresponding screen ginseng is called from storage according to first voltage.SOC master chip 200 detects power amplifier parameter later
The second voltage (current potential of E point in such as Fig. 3) for selecting the selection feedback of mouth 600 is called from storage corresponding according to second voltage
Acoustic parameter, including sonic profile, EQ(, that is, Graphic equalizer), frequency response etc..Function selecting module 700 is called and external connecting function mould
The adaptable drive software of block, such as Wi-Fi, bluetooth, the modules such as 2.4G, these drivings are all to be built in software in advance.Most
TV is lighted afterwards, functional check, deliver to customer using.
Based on the TV motherboard of the above-mentioned compatible more power supplys of multi-screen, the present invention also provides a kind of smart televisions.The intelligence
TV includes the TV motherboard of the more power supplys of compatibility multi-screen.
In conclusion the TV motherboard and smart television of a kind of compatible more power supplys of multi-screen provided by the invention, compatible market
Upper most of TV liquid crystal display, some old machines can carry out hardware and software upgrading by using the TV motherboard,
The TV that some are broken mainboard can be repaired, or the machine relatively low to hardware configuration upgrades, to TV
Repair and upgrade provides great convenience.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (8)
1. a kind of TV motherboard of the more power supplys of compatible multi-screen characterized by comprising
Circuit board；
SOC master chip on the circuit board is set；
The screen interface selecting module connecting on circuit boards with SOC master chip is set, and the screen interface selecting module includes multiple
Shield interface；
Be arranged on circuit boards with SOC master chip connection, for by bouncing pilotage selection it is corresponding screen join screen ginseng hardware selection mould
Block；
Power supply selecting module connecting on circuit boards with SOC master chip, for selecting electric source modes is set；
Power amplifier parameter selection mouth connecting on circuit boards with SOC master chip, for selecting power amplifier parameter is set；
Function selecting module connecting on circuit boards with SOC master chip, for being adapted to driving is set；
The screen interface selecting module includes sequentially connected VBY-ONE interface unit, LVDS interface unit, SD interface list
Member and EPI interface unit；
The VBY-ONE interface unit includes the first coupling circuit, the 2nd VBY-ONE interface, the second coupling circuit and first
VBY-ONE interface；The other end connection of one end connection SOC master chip, first coupling circuit of first coupling circuit
One end of 2nd VBY-ONE interface, the other end of the 2nd VBY-ONE interface connects one end of the second coupling circuit, described
The other end of second coupling circuit connects one end of the first VBY-ONE interface, the other end of the first VBY-ONE interface
Connect LVDS interface unit；
The LVDS interface unit includes third coupling circuit, the second LVDS interface, the 4th coupling circuit, the first LVDS interface；
One end of the third coupling circuit connects the other end connection the of the first VBY-ONE interface, the third coupling circuit
One end of two LVDS interfaces, the other end of second LVDS interface connect one end of the 4th coupling circuit, the 4th coupling
The other end of circuit connects one end of first LVDS interface, and the other end of first LVDS interface connects SD interface list
Member；
The SD interface unit includes the 5th coupling circuit, the second SD interface, the 6th coupling circuit, the first SD interface；
One end of 5th coupling circuit connects the second mark of other end connection of first LVDS interface, the 5th coupling circuit
One end of clear interface, the other end of the second SD interface connect one end of the 6th coupling circuit, the 6th coupling circuit
The other end connect one end of the first SD interface, the other end of the first SD interface connects EPI interface unit；
The EPI interface unit includes the 7th coupling circuit and multiple EPI interfaces；One end of 7th coupling circuit connects
The other end of first SD interface, the 7th coupling circuit is connected in parallel multiple EPI interfaces.
2. being compatible with the TV motherboard of the more power supplys of multi-screen according to claim 1, which is characterized in that the screen ginseng hardware selects mould
Block is connect by first voltage control module with the SOC master chip；The first voltage control module includes the first pull-up electricity
Resistance and the first current-limiting resistance；One end of first pull-up resistor connects the screen ginseng hardware selecting module, first pull-up
ST_A3V3 power supply on the other end connection circuit board of resistance, one end of first current-limiting resistance connect the screen ginseng hardware choosing
Select module, the other end of first current-limiting resistance connects the SOC master chip.
3. being compatible with the TV motherboard of the more power supplys of multi-screen according to claim 2, which is characterized in that the screen ginseng hardware selects mould
Block includes the first jump cap, the second jump cap, third jump cap, the forth jump cap, the fifth jump cap, the 6th jump cap, the 7th jump cap, the 8th jump
Cap, the 9th jump cap, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance,
Eight resistance and the 9th resistance；1 foot of the 9th jump cap passes sequentially through 1 foot of the 8th jump cap, 1 foot of the 7th jump cap, the 6th jump
1 foot of cap, 1 foot of the fifth jump cap, 1 foot of the forth jump cap, 1 foot of third jump cap, 1 foot of the second jump cap, the first jump cap 1 foot
The one end for connecting the first pull-up resistor is also connected with one end of the first current-limiting resistance；2 feet of first jump cap pass through first resistor
2 feet of ground connection, second jump cap are grounded by second resistance, and 2 feet of the third jump cap are grounded by 3rd resistor, described
2 feet of the forth jump cap pass through the 5th resistance eutral grounding, the 6th jump cap by the 4th resistance eutral grounding, 2 feet of the fifth jump cap
2 feet by the 6th resistance eutral grounding, by the 7th resistance eutral grounding, 2 feet of the 8th jump cap pass through 2 feet of the 7th jump cap
2 feet of the 8th resistance eutral grounding, the 9th jump cap pass through the 9th resistance eutral grounding.
4. being compatible with the TV motherboard of the more power supplys of multi-screen according to claim 1, which is characterized in that the power amplifier parameter selection mouth
It is connect by second voltage control module with the SOC master chip；The second voltage control module includes the second pull-up resistor
With the second current-limiting resistance；One end of second pull-up resistor connects the power amplifier parameter selection mouth, second pull-up resistor
Other end connection circuit board on ST_A3V3 power supply, one end of second current-limiting resistance connect the power amplifier parameter selection mouth,
The other end of second current-limiting resistance connects the SOC master chip.
5. being compatible with the TV motherboard of the more power supplys of multi-screen according to claim 4, which is characterized in that the power amplifier parameter selection mouth
Including the tenth jump cap, the 11st jump cap, the 12nd jump cap, the tenth resistance, eleventh resistor and twelfth resistor；Described tenth
1 foot of two jump caps pass sequentially through 1 foot of the 11st jump cap, the tenth jump cap 1 foot connect the second pull-up resistor one end, be also connected with
One end of second current-limiting resistance；2 feet of the tenth jump cap are passed through by the tenth resistance eutral grounding, 2 feet of the 11st jump cap
2 feet of eleventh resistor ground connection, the 12nd jump cap are grounded by twelfth resistor.
6. being compatible with the TV motherboard of the more power supplys of multi-screen according to claim 1, which is characterized in that the power supply selecting module is logical
Cross the standby power IC connection SOC master chip；The power supply selecting module includes the 13rd jump cap and the 14th jump cap；It is described
13rd jump cap 1 foot connection circuit board on 12V power supply, the 13rd jump cap 2 feet connection standby power IC one end, institute
State the 14th jump cap 1 foot connection circuit board on 5V power supply, the 14th jump cap 2 feet connection standby power IC one end,
The other end of the standby power IC connects the SOC master chip.
7. being compatible with the TV motherboard of the more power supplys of multi-screen according to claim 1, which is characterized in that the function selecting module packet
Include blue tooth interface, Wi-Fi interface, keying plate interface and 2.4G interface.
8. a kind of smart television, which is characterized in that the electricity including the described in any item compatible more power supplys of multi-screen of such as claim 1-7
Depending on mainboard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710151047.1A CN106851146B (en) | 2017-03-14 | 2017-03-14 | A kind of TV motherboard and smart television of the more power supplys of compatible multi-screen |
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| CN115665350A (en) * | 2022-10-28 | 2023-01-31 | 四川长虹电器股份有限公司 | Processing method for adapting intelligent television software to multiple digital power amplifier hardware platforms |
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| CN101419346A (en) * | 2008-11-28 | 2009-04-29 | 深圳市科特科技发展有限公司 | LCD screen driving panel with multi display resolutions |
| CN201403131Y (en) * | 2009-04-30 | 2010-02-10 | 青岛海信电器股份有限公司 | Universal interface module |
| CN201754604U (en) * | 2010-08-16 | 2011-03-02 | 青岛海信电器股份有限公司 | Television deck module and TV set |
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| CN101419346A (en) * | 2008-11-28 | 2009-04-29 | 深圳市科特科技发展有限公司 | LCD screen driving panel with multi display resolutions |
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| CN201754604U (en) * | 2010-08-16 | 2011-03-02 | 青岛海信电器股份有限公司 | Television deck module and TV set |
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