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LCD Television
Service Manual


Chassis MTK5655EPDJ


Product TypeSouth AM




Ver 1.1


September2016
Hisense Electric Co.Ltd.
REVISION HISTROY

Version Page Section Description Date

ver1.0 ALL ALL First issued 2016/6/15

add 6983 board layout
Ver1.1 P16 P16 2016/9/26
and difference






-2-
Contents
Contents .......................................................................................................................................................................- 3 -
Service Manual ...........................................................................................................................................................- 4 -
1. Precautions and notices.....................................................................................................................................- 4 -
1.1 Warning...................................................................................................................................................- 5 -
1.2 Notes .......................................................................................................................................................- 8 -
2. TV boards: ......................................................................................................................................................- 10 -
3. Factory/Service OSD Menu and Adjustment ..................................................................................................- 18 -
3.1 To enter the Factory OSD Menu ...........................................................................................................- 18 -
3.2 Factory OSD Menu ...............................................................................................................................- 19 -
4. Software Upgrading ........................................................................................................................................- 26 -
Before upgrading, read the following. ........................................................................................................- 26 -
4.1 USB Software Upgrading directly ........................................................................................................ - 26 -
4.2 USB upgrading failure ..........................................................................................................................- 27 -
4.3 Upgrading with the FlashTool v0.6.9.1.exe ..........................................................................................- 31 -
4.4 Network online upgrading ....................................................................................................................- 34 -
5. Troubleshooting ..............................................................................................................................................- 37 -
5.1 Troubleshooting for Remote Control ....................................................................................................- 39 -
5.2 Troubleshooting for Function Key ........................................................................................................- 40 -
5.3 TV won't Power On ..............................................................................................................................- 41 -
5.4 Troubleshooting for Audio ....................................................................................................................- 42 -
5.5 Troubleshooting for TV/VGA/HDMI input..........................................................................................- 43 -
5.6 Troubleshooting for YPbPr input ..........................................................................................................- 44 -
5.7 Troubleshooting for Video input ...........................................................................................................- 45 -
6. Signals Block Diagram and power assign: .....................................................................................................- 46 -
7. Schematic circuit diagram ..............................................................................................................................- 46 -




-3-
Service Manual
1. Precautions and notices

BEFORE SERVICING THE LCD TV, READ THE SAFETY PRECAUTIONS IN

THIS MANUAL.

USE ONLY MANUFACTURER SPECIFIED REPLACEMENT PARTS WHEN

SERVICING.

USE OF NON-AUTHORIZED PARTS WILL VOID THE MANUFACTURE'S

WARRANTY



Proper service and repair is important to the safe, reliable operation of all Hisense

Equipment. The service procedures recommended by Hisense and described in this

Service Guide are effective methods of performing service operations. Some of these

service operations require the use of tools specially designed for the purpose. The special

tools should be used when and as recommended.

It is important to note that this manual contains various CAUTIONS and NOTICES

which should be carefully read in order to minimize the risk of personal injury to service

personnel. The possibility exists that improper service methods may damage the

equipment and pose risk of personal injury

. It is also important to understand that these CAUTIONS and NOTICES ARE NOT

EXHAUSTIVE. Service should only be performed by an experienced electronics



-4-
techician trained in the proper Television safety and service methods and procedures

Hereafter throughout this manual, HISENSE will be referred to.


1.1 Warning

1.1.1

Critical components having special safety characteristics are identified with a by the

Ref. No. in the parts list. Use of non-manufacturer's recommended parts may create

shock, fire, or other hazards.Under no circumstances should the original design be

modified or altered without written permission from RCA. Hisense Eassumes no liability,

express or implied, arising out of any unauthorized modification of design. Servicetech

assumes all liability.

DANGER CAUTION

TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY
ORIGINAL MANUFACTURER'S REPLACEMENT PARTS, WHICH ARE LISTED WITH
THEIR PART NUMBERS IN THE PARTS LIST SECTION OF THIS SERVICE GUIDE.




1.1.2.

All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD).

Careless handling during repair can reduce life drastically. When repairing, be sure to

use anti-static table mats and properly use a grounding wrist stra. Keep components and

tools also at this same potential.




-5-
IMPORTANT:

Always disconnect the power cord from AC outlet before replacing parts or modules.

1.1.3

To prevent electrical shock, use only a properly grounded 3 prong outlet or extension

cord.

1.1.4

When replacement parts are required, be sure to use replacement parts specified by the

manufacturer or have the same characteristics as the original part. Unauthorized

substitutions may result in fire, electric shock, or other hazards and will void the

manufacturer's warranty.

1.1.5

Safety regulations require that after a repair the set must be returned in its original

condition. In addition, prior to closing set, check that:

-Note:

>All wire harnesses and flex cables are properly routed and secured with factory tape

and/or mounted cable clamps.

> All cables and connectors are properly insulated and do not have any bare wires/lead

exposed




1.1.6



-6-
(1) Do not supply a voltage higher than that specified to this product. This may

damage the product and may cause a fire.

(2) Do not use this product:

> High humidity areas

> In an area where any water could enter or splash into the unit.

High humidity and water could damage the product and cause fire.

(3) If a foreign substance (such as water, metal, or liquid) gets inside the panel

module, immediately turn off the power. Continuing to use the product may cause fire

or electric shock.

(4) If the product emits smoke, and abnormal smell, or makes an abnormal sound,

immediately turn off the power. Continuing to use the product, it may cause fire or

electric shock.

(5) Do not pull out or insert the power cable from/to an outlet with wet hands. It may

cause electric shock.

(6) Do not damage or modify the power cable. It may cause fire or electric shock.

(7) If the power cable is damaged, or if the connector is loose, do not use the product:

otherwise, this can lead to fire or electric shock.

(8) If the power connector or the connector of the power cable becomes dirty or dusty,

wipe it with a dry cloth. Otherwise, this can lead to fire.

(9) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer,

or sold with the apparatus. When a cart is used, use caution when moving the



-7-
cart/apparatus combination to avoid injury from tip-over


1.2 Notes

Notes on Safe Handling of the LCD panel and during service

The work procedures shown with the Note indication are important for ensuring the

safety of the product and the servicing work. Be sure to follow these instructions.

· Before starting the work, secure a sufficient working space.

· At all times other than when adjusting and checking the product, be sure to turn OFF

the POWER Button and disconnect the power cable from the power source of the TV

during servicing.

· To prevent electric shock and breakage of PC board, start the servicing work at least 30

seconds after the main power has been turned off. Especially when installing and

removing the power board, start servicing at least 2 minutes after the main power has

been turned off.

· While the main power is on, do not touch any parts or circuits other than the ones

specified. If any connection other than the one specified is made between the measuring

equipment and the high voltage power supply block, it can result in electric shock or

may trip the main circuit breaker When installing the LCD module in, and removing it

from the packing carton, be sure to have at least two persons perform the work.

· When the surface of the panel comes into contact with the cushioning materials, be

sure to confirm that there is no foreign matter on top of the cushioning materials before

the surface of the panel comes into contact with the cushioning materials. Failure to

-8-
observe this precaution may result in, the surface of the panel being scratched by foreign

matter.

· Be sure to handle the circuit board by holding the large parts as the heat sink or

transformer. Failure to observe this precaution may result in the occurrence of an

abnormality in the soldered areas.

· Do not stack the circuit boards. Failure to observe this precaution may result in

problems resulting from scratches on the parts, the deformation of parts, and

short-circuits due to residual electric charge.

· Perform a safety check when servicing is completed. Verify that the peripherals of the

serviced points have not undergone any deterioration during servicing. Also verify that

the screws, parts and cables removed for servicing purposes have all been returned to

their proper locations in accordance with the original setup.

The lightning flash with arrowhead symbol, within an equilateral

triangle is intended to alert the user to the presence of uninsulated

dangerous voltage within the products enclosure that may be of sufficient magnitude to

constitute a risk of electric shock.

The exclamation point within an equilateral triangle is intended to alert

the user to the presence of important operating and maintenance (servicing)

instructions in the literature accompanying the set.




-9-
2. TV boards:
Inverter part
Board of 6654

The top: Optical



Debug


earphone


USB




HDMI




Power outlet side
Air
Cable



AV

COMP




Power part
Main board part




- 10 -
The side of 6654




The side of 6654




- 11 -
Board of 6823




Power outlet vertical




- 12 -
Board of 6625




This part is different from
board :6654




- 13 -
Board of 6484




- 14 -
Board of 6487




- 15 -
Board of 6983




This part is different from
board :6823




- 16 -
Board Boards difference Cabinet series


NO FRC ;complex board, Power outlet side,
6654 LHD32K3110WAM
support network and smart


NO FRC ; complex board, Power outlet HS43M16FWB/HS32M16HWB/HS40B16
6823
vertical ,support network and smart FWB


NO FRC ; complex board ,Power outlet
6625 side ,support network and smart, for Columbia HS43K3110FWT/HS43K3120FWT
market


Base on 6157,add LVDS socket in order to
6484 K3110/K220
coordinate the SumSing panel board LSC480HN08



Base on 6238,add LVDS socket in order to
6487 K370\K390\K3901
coordinate the SumSing panel board LSC400HN02



Base on 6823,modify the power part and add the
6983 HS50M16FWB/ 50B16
Audio amplifier IC TAS5711




- 17 -
3. Factory/Service OSD Menu and Adjustment

3.1 To enter the Factory OSD Menu

With user's remote control
1. Power TV On

2. Press button on the RC and call up User OSD Menu. as following. next press the
">" cusp on the right to appear full menu.




Select Sound>Advanced Audio Setttings->Balance, when Balance is "0"




3. Input 1->9->6->9 in sequence.
Note: If necessary, re-enter number keys.

4. Now "M" appears on the TV then press to pop-up the Factory Menu
5. DC power off the TV that can leave factory OSD.




- 18 -
3.2 Factory OSD Menu

Factory OSD menu list , if you want to know more you can read it .

Take LHD32K3110WAM for example




- 19 -
Factory menu Description Remark


White Balance data adjusting, different
source has different WB values. Before
White Balance adjusting, please change to desired source.


TV Produce signal preset, during the
channel init factory produce using.


Option can choose


Clean Chip intialize the factory signal EEPROM reset
auto color adjust with Component and
Automatic VGA channels.
red\blue\white\green\black five colors,for
Test Pattern factory panel testing.


soft version current software version information


Menu
inside pattern Factory white balance adjust
version
E58.V0000.K220.00.30.20A.E1114
software Version information


MAC adr:C816BD:B23469 Country
LanguageLogo MAC address information


HDCP2.2 key HDCP key

CI key CI key

ESN ESN

KMS Device ID code
Customer service code23 bit
00000000000001K5R140031




- 20 -
huangdao old
channel init
Qing Dao TV Produce signal preset, during
the factory produce using.




huangdao new




......




- 21 -
"M" to enter factory state press" M "button with
factory RC.
Option ToFAC M/U "U" customer use state,can not enter the factory
OSD menu directly ,must with password .



Not all,the chassis that must support the satellite
signal for example: Europe TV :13V18VOFF
LNB POWER
Japan15V



country choose
country




language choose
Language




region logo choose
Logo




remember mode;Power on mode;standby mode
power mode memory




set MAC address
set MAC



If the TV has the function of USB disk upgrade
USB upgrade directly in the factory menu then can use the item.




FRC upgrade
FRC upgrade




Led backlight driver upgrade
driver upgrade



if the panel parameter of smart TV is not right then
PQ upgrade can USB upgrade directly .




- 22 -
when choose "on" then can serial port connect
URAT on/off with Tool



PVR Record all PVR Record function



Mirror enable for PaneL testing

soft version
soft version information
E58.V0000.K220.00.30.20A.E1114

soft version
date 2014-11-14 04:47:50 The date of current version


TV code00000000000001K5R140031 TV code information

MAC versionC816BD:B234
MAC version information
69




- 23 -
3.2.1 White Balance




Note: Different source has different WB values. Before adjusting, please change to desired source.


3.2.2 Factory Option




- 24 -
Note: The factory menu data varies according to different sources. Incase changing the factory
data by error, you can choose to "Clean chip", by which you can resume the default value.
To clear the EEPROM:
a. Select the item "Clean chip".
b. Press VOL+ button to clear the EEPROM data.
c. Close the OSD menu after 5 seconds.
d. Restart the TV.



Note:
Above "Factory/Service OSD Menu"is reference for chassis MTK5655 , please refer to the
actual units to determine the appearances for different TV.




- 25 -
4. Software Upgrading

Before upgrading, read the following.

First: Upgrade the software.
Second: To clear the EEPROM .
A Select the item "Clean Chip".
B Press VOL+ button to clear the EEPROM data.
C Close the OSD menu after 5 seconds.
D Restart the TV.
Last: After the operation above all, necessarily, Re-search the channels for the users



4.1 USB Software Upgrading directly

The software can be upgraded by USB Disk.

First, copy the upgrade_loader.pkg file to USB Disk;.

Second, make sure there is no other .pkg file in the root directory of USB

Disk

Insert USB Disk to TV USB port, and then turn on the TV. at the same time

press the any one button on the remote control for about 15s,then pop the

update interface.

The TV will identify the software and upgrade automatically.

After update success, TV can automatically start.




- 26 -
4.2 USB upgrading failure

If USB upgrading failure then need burning the Nand Flash program file" *.bin "to

the Nand Flash.
Hardware connecting

Connect the unit to your pc with a USB-to-serial port cable. USB port connects to your PC and
serial port to the TV's Debug port. As following




Or USB port connects to your PC and serial port connect to the RS232 of main board.




- 27 -
4.2.1 Install the bebug board driver for first use MTK FlashTool.



Double click the icon , install the driver.



Note:

X64.exe is fit for 64bit system configure of the computer.

X86.exe is fit for 32bit system configure of the computer.




- 28 -
Select the default value, the driver will be installed step by step.




- 29 -
- 30 -
4.3 Upgrading with the FlashTool v0.6.9.1.exe

1FlashTool is a green program needing no installation. After Connect the unit to

your pc with a USB-to-serial port cablerun FlashTool v0.6.9.1.exe. Please refer to
the following steps to set.




.

How to choose Communicate port and flash baud rate? See the following

instruction..




- 31 -
Open "Device Manager" and find which port is connected with the TV. In above picture, COM4
is connected to the TV, so, select "COM4" and if COM6 is connected to the TV, so select "COM6".
Select the right baud rate according to chip model. For this unit( chip model is MT5655), select 115200.

2 Click to connectif connect successfully then button from red turn

green .





Click , bounce the following dialog box. Load Bin Filefind the upgrading

program file, his_m1v1_us_secure_emmcboot.bin.


- 32 -
Press "Upgrade" button and start upgrading.if update defeat, try again.




- 33 -
4.4 Network online upgrading

Network upgrade includes two methods . one is Auto Firmware Upgrade the other is

check Firmware Upgrade.




Take check Firmware Upgrade for example:

Ensure the network has connected normally, power on the TV. If has checked a new

upgrade version.TV can automatically pop-up upgrade interface. as Figure-1




- 34 -
Figure-1


Select upgrade to download......




Figure-2




Figure-3



- 35 -
After downloading ,system can automatically verify updating wizard and start update

Waiting........




Figure-4
...




Figure-5

Upgrade successfully, TV can automatically restart.




- 36 -
5. Troubleshooting

When there is something wrong with your TV, you can try turning off the TV and then restart
it. You can also operate according to the follow chart. If the problems still cann't be solved, please
contact the profession technician.




- 37 -
- 38 -
5.1 Troubleshooting for Remote Control

Remote control does not work




YES
Try new batteries Replace battery




NO


YES
Replace RC Replace remote control




Check IR receiver




Change Led & IR board
YES
Replace Led & IR BD




NO

YES
Change Led & IR cable Replace Led & IR cable




NO

Replace main board




- 39 -
5.2 Troubleshooting for Function Key


Buttons does not work




YES
Check switches Check solder connections and

see if any switches are stuck.


NO

YES Replace Key BD
Check key board



NO

Check Key BD cable




YES


Change Key BD OK




NO

Replace main board




- 40 -
5.3 TV won't Power On



TV won't power on




NO
Is LED Check Power YES Make Sure Power

light? Output source is live



NO
YES


no light Check Power YES Replace
RED
Cord Power Cord



NO Check/replace IR
Only
BD or Keypad
Try Power on by
one works
PCA
Panel Bright
YES Check signal RC and Button

Source Neither
Both
NO YES works
Work
NO Replace Main
BD


Replace Main BD


NO YES
YES Power on OK


Replace Panel
NO
(to contact HITACHItech support.)

Replace Power BD


OK




- 41 -
5.4 Troubleshooting for Audio


No sound




YES
Check connecter Reconnect



NO

YES
Check speaker wire Replace speaker wire




NO

YES
Check speaker set Replace speaker set




NO

Replace main board YES
OK


NO

Power Supply Board




- 42 -
5.5 Troubleshooting for TV/VGA/HDMI input


No picture on the screen




NO
Check Signal Source
Make sure signal
source is available




YES
Check connect Reconnect




NO

YES
Check cable Replace cable




NO

Replace main board




- 43 -
5.6 Troubleshooting for YPbPr input

No picture on the screen




Check Source work or not NO Check Source Device




YES


Check connect YES Reconnect




NO


YES
Check Wires (Green Blue, Red) Replace wires




NO


Replace main board




- 44 -
5.7 Troubleshooting for Video input


No picture on the screen




Check Source work or not NO
Check Signal Source




YES


YES
Check connect Reconnect




NO

YES
Check Cable/ Wires Replace Cable/Wires




NO


Replace main board




- 45 -
6. Signals Block Diagram and power assign:

7. Schematic circuit diagram




- 46 -
5 4 3 2 1




POWER TREE
D D




C C




4
48
t:6
ui
rc
ci
B
M




B B




A A




Hisense Electric Co.,LTD
Title
MT5655
Size Document Number Rev
1.0
C
Date: Friday, April 10, 2015 Sheet 1 of 13
5 4 3 2 1
5 4 3 2 1




Block Diagram




EMMC
NAND FLASH
UM3 or U1


Flash
Serial
UM2.UM4



SDIOx1
D D




DDR3
UD1




SPI
UD2
PC1
DDR3 CI
CAM Card



C C


USB_P0_P1_P2 USBx3
mini_LVDS A Port
Port




HDMI_P0_P1 HDMIx2
Port




MT5655
V By One
JL1




UM1
LVDS




LVDS




Serial TS


Embedded TUNER&
DEMOD Tuner IF+/IF- External
Demod




4
48
Tuner CVBS1




t:6
ui
JT1,JT2




rc
ci
B
M
MPXP share with CVBS0
B B




Audio DAC
x 3 PA2,PA11,PV7
UA4
SPEAKER AMP I2S
TPS5711
Audio ADC PV7,PA6,PA7,PA8
x4 LINE IN
Embedded LINE IN
RMII PHY
JA1.JA2
SPEAKER OUT
MII/RMII




USB_P3




RGB IN

CVBS2 IN

LINE IN
LINE OUT

SCART1 AV OUT




CVBS3
HDMI_P2




A A

PV3
UW2 PU4 IRM1 J3
Ethernet IR UART0 YPbPr0
USBx1

Hisense Electric Co.,LTD
PH3 J2 PV5 PV7 PV8 Title

HDMI X1 I2C1 VGA SCART2 AV1 MT5655
Size Document Number Rev
1.0
C
Date: Friday, April 10, 2015 Sheet 2 of 13
5 4 3 2 1
5 4 3 2 1




GPIO LIST
PIN NAME Function define GPIO Function PIN NAME Function define GPIO Function
CI_A0 CI Interface CI_A0 (GPIO_0) ADIN0_SRV
CI_A1 CI Interface CI_A1 (GPIO_1) ADIN1_SRV KEY_PAD KEY_PAD0
CI_A2 CI Interface CI_A2 (GPIO_2) ADIN2_SRV Headphone Detect HP_DET
CI_A3 CI Interface CI_A3 (GPIO_3) ADIN3_SRV MHL Over Current Protect MHL_OC
CI_A4 CI Interface CI_A4 (GPIO_4) ADIN4_SRV KEY_PAD KEY_PAD1
D CI_A5 CI Interface CI_A5 (GPIO_5) ADIN5_SRV Enable AMP_MUTE AMP_MUTE D

CI_A6 CI Interface CI_A6 (GPIO_6) ADIN6_SRV
CI_A7 CI Interface CI_A7 (GPIO_7) ADIN7_SRV Enable panel I2C PANEL_I2C_WP
CI_A8 CI Interface CI_A8 (GPIO_8)
CI_A9 CI Interface CI_A9 (GPIO_9) PIN NAME Function define GPIO Function
CI_A10 CI Interface CI_A10 (GPIO_10) OPCTRL0 Wifi Reset REG_ON
CI_A11 CI Interface CI_A11 (GPIO_11) OPCTRL1 Wifi detect WIFI_DEV_wake
CI_A12 CI Interface CI_A12 (GPIO_12) OPCTRL2 Reset TUNER TUNER-RST
CI_A13 CI Interface CI_A13 (GPIO_13) OPCTRL3 Strapping Strap[3]
CI_A14 CI Interface CI_A14 (GPIO_14) OPCTRL4 LED PWM LED_0
CI_MCLKI CI Interface CI_MCLKI (GPIO_15) OPCTRL5 LED PWM LED_1
CI_MIVAL CI Interface CI_MIVAL (GPIO_16) OPCTRL6 RESET AMP AMP_RESET
CI_MISTRT CI Interface CI_MISTRT (GPIO_17) OPCTRL7 Wifi Power Enable WAKEUP_PWR_EN
CI_MDI0 CI Interface CI_MDI0 (GPIO_18) OPCTRL8 LVDS Power Control LVDS_PWR_EN
CI_MDI1 CI Interface CI_MDI1 (GPIO_19) OPCTRL9 Audio Mute MUTE_CTL
CI_MDI2 CI Interface CI_MDI2 (GPIO_20) OPCTRL10 Backlight Control BL_ON/OFF
CI_MDI3 CI Interface CI_MDI3 (GPIO_21) OPCTRL11 MHL_PWR_EN MHL_PWR_EN
CI_MDI4 CI Interface CI_MDI4 (GPIO_22) OPCTRL12 DRAM Standby Power Control FB_PWR_EN
CI_MDI5 CI Interface CI_MDI5 (GPIO_23)
C
CI_MDI6 CI Interface CI_MDI6 (GPIO_24) C


CI_MDI7 CI Interface CI_MDI7 (GPIO_25)
PIN NAME Function define GPIO Function
CI_D0 CI Interface CI_D0 (GPIO_26)
LED_PWM0 Strapping Strap[1]
CI_D1 CI Interface CI_D1 (GPIO_27)
LED_PWM1 Strapping Strap[2]
CI_D2 CI Interface CI_D2 (GPIO_28)
CI_D3 CI Interface CI_D3 (GPIO_29)
PIN NAME Function define GPIO Function
CI_D4 CI Interface CI_D4 (GPIO_30)
OPWM0 SYSTEM EEPROM write protect SYS_EEPROM_WP
CI_D5 CI Interface CI_D5 (GPIO_31)
OPWM1 Backlight DIMMING BL_DIMMING
CI_D6 CI Interface CI_D6 (GPIO_32)
OPWM2 TUNER SWITCH SW_TUNER
CI_D7 CI Interface CI_D7 (GPIO_33)
CI_MDO0 CI Interface CI_MDO0 (GPIO_34)
CI_MDO1 CI Interface CI_MDO1 (GPIO_35)
CI_MDO2 CI Interface CI_MDO2 (GPIO_36)
CI_MDO3 CI Interface CI_MDO3 (GPIO_37)
CI_MDO4 CI Interface CI_MDO4 (GPIO_38)
(GPIO_39)




4
CI_MDO5 CI Interface CI_MDO5




48
t:6
ui
rc
ci
CI_MDO6 CI Interface CI_MDO6 (GPIO_40)
CI_MDO7 CI Interface CI_MDO7 (GPIO_41)
GPIO_42 3D ENABLE PANEL_3D_EN B
M




B B
GPIO_43 BACKLIGHT OPWM 3D_blink1
GPIO_44 BACKLIGHT OPWM 3D_blink2
GPIO_45 3D SYNC OUT GPIO45
GPIO_46 3D SYNC IN GPIO46
GPIO_47 PANEL_3D_LR_SYNC IN PANEL_IN_3D_LR_SYNC




A A




Hisense Electric Co.,LTD
Title
MT5655
Size Document Number Rev
1.0
C
Date: Friday, April 10, 2015 Sheet 3 of 13
5 4 3 2 1
5 4 3 2 1

5V
MAIN POWER 3.3VS 5,6,7,8,9,10,11,12,13 GND

XP1 5VS R2
1 2 1k
R3 R4 BL_EN OPWRSB
R11 10k 5 OPWRSB
DIMMING 3 4 BL_EN 1k 3D_SG/PWM2
1k 8 3D_SG/PWM2




3
3D_LR/PWM1
C501 3D_LR/PWM1
12VS 5 6 POWER ON/OFF R9 BL_ON/OFF R1 1 V1 8 PANEL_3D_EN
12VS LO = > POWER_ON 2.2u/10V 8,12 PANEL_3D_EN
1k MMBT3904LT1 12 FB_PWR_EN
POWER ON/OFF 7 8 HI = > POWER_OFF 4.7k FB_PWR_EN
BL_DIMMING




3
12 BL_DIMMING




2