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Sony LCD LED Repair Tips

Model: SONY KDL32S2010E Chassis WAX2 LCD TV

Symptom: Switches to standby for a short while, then back again.

Repair/Solution:

Replace standby push button on user control, has contact resistance.





Model: Sony KDL32U2000 Chassis SE1 LCD TV

Symptom: No Picture.

Repair/Solution:

Check SMD fuse CP101P on T-CON board. The T-CON board is behind the

BDT board





Model: SONY KDL40U2000 with SE1 Chassis LCD TV

Symptom: No start-up, red LED light flashes 3 times.

Repair/Solution:

TV has slow start-up before this symptom occurred. When check standby 5v ok

and PSU is heat sensitive. Check and replace the C6055 (47uf/25v) in G2

supply it will solve the problem.





Model: SONY KDL40U2000 LCD TV

Symptom: Error codes 4

LED light turns green, flashes 4 times then goes green again and flashes 4 times

again. Fuse (500mA) on inverter panel is open circuit.

Repair/Solution:

Replace the fuse on inverter board.





Model: SONY KLV26U2520 Chassis SE1 LCD TV

Symptom: No picture but sound ok.

Repair/Solution:

Check SMD fuse CP101P on LVDS panel (T-CON).





Model: Sony KDL32U2000 Chassis SE1 LCD TV

Symptom: Stuck in standby. Standby LED light is green.

Red LED light flashes 3 times. No remote control or front panel functions.

Repair/Solution:

Check or replace D301 zener diode (can be use a 5v zener diode) for short

circuit.

Sony KDL-32EX301 KDL-32EX500 KDL-46EX400 KDL-32EX400 KDL-40EX500 KDL-46EX500 KDL-40EX400 KDL-40EX501 KDL-46EX501 KDL-40EX401

Imran Ashraf Khan Support

Protection Mode Symptom Troubleshooting

The KDL-32S5100 and KDL-32XBR9 include the following protection mode blink patterns (or self-diagnostics).

[All red protection mode LED blink patterns occur using the Standby-LED at the lower left front of the TV.]

Failure Symptoms: 2X Blink - Main Power Error

A 2X protection mode blink pattern can be activated due one of the following defects on the G2LE-Board, G2HE, GD2-Board..

Loss of AU12V (LVP)#

Excessive AU12V Level (OVP)#

Excessive 24V Level (OVP) (32” & 40” models)

Excessive PFC Voltage (OVP)

Excessive PFC Temperature (OTP)

# Low Voltage Protection (LVP)

# Over Voltage Protection (OVP)

A loss or excessive condition of the AU12Vdc secondary voltage from the main power supply IC6501 will cause a 2X blink pattern on the StandbyLED. The 12Vdc can be checked at CN6401/pin 4. The If the measurement is 0V or rises above 12Vdc (approaches 15V) before the TV shutdown the G2LE-Board, G2LE, GD2-Board is defective.  If approximately 12Vdc is present and remains below 12Vdc before shutoff then the A-Board is defective.  An excessive 24Vdc (32” & 40” models) secondary voltage from the main power supply IC6501 will also cause a 2X blink pattern on the StandbyLED. The 24Vdc can be measured at CN6402/pin 3 before TV shutdown.  If the voltage rises above the 24V level (approaches 27) before TV shutdown then the power supply is defective, replace the G2LE, G2HE , GD2-Board to fix the problem. 

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Finally, there are PFC protection circuits on the power supply board that when activated will cause a 2X blink protection mode. The PFC circuit is monitor for both over-voltage and over-temperature. Therefore, if the AU12V and 24V circuits checkout okay, there could still be a problem on the power supply board in the PFC circuit causing the 2X blink. Replace the G2LE, G2HE, GD2-Board to fix this condition.

3X Blink- Audio Error

The Audio error can occur due one of the following error conditions.

Shorted or Damaged Speaker Connections

Defective Audio Amplifier (A-Board)

Loss of AU12V (Open F1 on A-Board)

The first thing to check when a 3X blink protection mode occurs is the physical condition of the speakers and speaker connections. The speakers should measure 8 ohms. Shorted speakers or connections can cause a 3X blink protection mode.  If the speakers and connections check okay, then the defective component is on the A-Board. Either a open F1 or defective audio amplifier will cause a 3X blink protection mode. In either case, replace the A-Board to fix this condition.

LED Blinking Codes

4X Blink - Balancer Failure (46” Models ONLY)

In most cases, a 4X protection mode indicates a defective lamp or lamps.  Therefore, replace the LCD panel to fix this condition. If the 4X protection is still present after replacing the LCD panel, there could be a problem on the A-Board or GD2-Board. First replace the A-Board then the GD2- Board.

5X Blink - TCON & HFR Failure

The 5X blink protection mode indicates a communications error between the TCON/HFR board and the MT5388 microprocessor on the A-Board.  First replace the TCON/HFR Board if the 5X protection mode blink pattern occurs. If the TCON/HFR Board does not repair the problem then replace the A-Board.

6X Blink - Backlight System Failure (32” & 40” Models)

Main Cause Backlight Problem

NOTE: All models will make three attempts to power up before a 6X error is activated. The SONY logo (Backlight) will display on the screen and the tones (with Volume up) will be heard three times. After the third attempt the TV will turn off and the Standby LED will blink a 3X protection mode.  In most cases, if the backlight momentarily illuminates and the TV shuts off and a 6X is activated than one or more of the backlight lamps are defective. The LCD Panel assembly panel must be replaced for a defective lamp.  If a 6X blink pattern is activated than a defect has occurred in one of the following areas.

Defective Panel Lamp(s)

Defective Backlight Inverter Board

Defective TV Microprocessor

Defective 24V Power Supply

When troubleshooting a 6X backlight system failure it is key to notice if the backlights illuminate before the TV shuts off. The following list shows the possible backlight status and blink pattern and the possible failed components.

1) Momentary Backlight and 6X

a) Defective Lamp(s)

b) Defective Backlight Inverter Board

2) No Backlight and 6X

a) Defective TV Microprocessor

b) Defective 24V Power Supply

c) Defective Backlight Inverter Board.

Before replacing the LCD Panel assembly check the backlight Inverter Board outputs. A failure of one of the inverter outputs will also cause this same symptom (Momentary Backlight & 6X).  If there is no backlight before the TV shuts off and activates a 6X, than check the “Backlight ON” signal from the TV microprocessor and the 24V power supply from the G2LE, G2HE, GD2-Board.  If the “Backlight ON” and 24V power supply are okay than the Backlight Inverter board has failed and must be replaced. This will be a rare occurrence but the Inverter board can cause a “No Backlight” condition and must be considered.]

PWB Location

6X Blink - Backlight System Failure (46” Models)

The 46” models have both a 4X and 6X blink protection mode. The 4X blink will, in most cases, be caused by a defective lamp.  Because all the Backlight HV Inverter circuits are located on the GD2-Board, a 6X blink protection mode will be fixed, in most cases, by replacing the GD2-Board. If the GD2-Board does not repair the problem replace the A-Board. The BL-ON and Dimmer signals come from the microprocessor on the A-Board. A shorted or open BL-ON signal will cause this 3X condition. Also a shorted Dimmer will cause this 3X condition.

7X Blink - Temperature Failure

These models do not display a temperature warning OSD dialogue box before shutting-off and going into a 7X Standby-LED blink pattern. It will just shut-off and activate a 7X without any usually warning on the screen.

The main objective when a 7X blink pattern occurs is to determine which of the following possible defects is causing the excessive temperature condition.

Excessive Ambient Room Temperature

Dust or Debris Blocking the TV Ventilation Apertures

Defective Temperature Sensor IC4305 or MT5388 microprocessor (A-Board)

The first step is to notice how long it takes the TV to shut-off and trigger a 7X blink protection mode.

If the TV has an actual excessive temperature condition it will take a considerable period of time to shut-off and indicate a 7X blink protection mode. This is because it will take time for the TV to heat up and for the temperature sensor to detect the excessive temperature and shut the TV off If the TV takes a considerable period of time to shut-off check the following items:

The TV should not be located too close to any heating elements.

The TV should have at least 4 inches of clearance around all sides to ensure adequate ventilation.

Check that all vented areas on the TV are clear of all Dust and Debris.

If the TV shuts-off immediately (Not an Actual Excessive Temperature Condition) after Power-ON then one of the following components has failed.

Main Microprocessor IC3002 (A-Board)

Temperature Sensor IC3502 (A-Board)

In either case the A-Board must be replaced to fix the problem.

Imran Ashraf Support

TDA 8362/8361/8360

Data pin IC TDA 8362/8361/8360

TDA 8362-TDA8361-TDA8360
----------------------------
pin1  =DE-EMP[3.2v]
pin2  =REF COIL/0.15uh[5.9v]
pin3  =REF COIL/0.15uh[5.9v]
pin4  =IDENT
pin5  =SIF.IN.VOL[1.3v]
pin6  =EXT.AUDIO.IN[4.3v]
pin7  =VIDEO.OUT[4v]
pin8  =DG.ACC[1.7v]
pin9  =GND
pin10 =VCC[8v]
pin11 =GND
pin12 =CAL.DEC [3.4v]
pin13 =INT.VID.IN/CVBS.EXT.2 [4.3v]
pin14 =SHARP [2.2v]
pin15 =VID.IN/CVBS.EXT.1 [3.8v]
pin16 =C.IN/EXT.IN/CHROMA
pin17 =BRIGHTNEESS [3.2v]
pin18 =B.OUT [2.4v]
pin19 =G.OUT [2.4v]
pin20 =R.OUT [2.4v]
pin21 =RGB.IN [0.3v]
pin22 =B.IN [2.6v]
pin23 =G.IN [2.6v]
pin24 =R,IN [2.6v]
pin25 =CONTRASS [2.2v]
pin26 =COLOR [1.1v]
pin27 =HUE.SECAM.OUT [0.9v]
pin28 =B-Y.IN [4.3v]
pin29 =R-Y.IN [4.3v]
pin30 =R-Y.OUT [1.5v]
pin31 =B-Y.OUT [1.5v]
pin32 =SECAM.SUBC [1.5v]
pin33 =BURST.PHASE [5.4v]
pin34 =3.58MHZ [3.2v]
pin35 =4.43MHZ [3.2v]
pin36 =H.POWER [8.2v]
pin37 =H.OUT [0.4v]
pin38 =SANDCASTLE/FBI/SCO [1.2v]
pin39 =PH2 [2.5v]
pin40 =PH1 [4.0v]
pin41 =VFB [2.8v]
pin42 =VERT,SAWTOOTH [2.8v]
pin43 =VERT.OUT [0.9v]
pin44 =AFT [4.5v]
pin45 =F.N [4.2v]
pin46 =F.N [4.2v]
pin47 =RF AGC [6.5v]
pin48 =AGC [3.9v]
pin49 =AGC ADJ [1.1v]
pin50 =SOUND OUT [4.0v]
pin51 =DEC [3.4v]
pin52 =BG-DEC [7.0v]

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LA 76931 IC Data

Data pin IC LA 76931

LA76931


PIN 1= SIF OUTPUT [2.8V DC]
PIN 2= IF AGC FILTER
PIN 3= SIF INPUT [3.3V DC]
PIN 4= FM FILTER
PIN 5= FM OUTPUT [2.5V~3.5V]
PIN 6= AUDIO OUTPUT [DC]
PIN 7= SND APC FILTER
PIN 8= IF VCC [5V DC]
PIN 9= EXT AUDIO INPUT [2.9V DC]
PIN 10= ABL [AUTO BEAM LIMITER]
PIN 11= RGB VCC [8V DC]
PIN 12=R,G,,B OUTPUT
PIN 13=R,G,,B OUTPUT
PIN 14=R,G,,B OUTPUT
PIN 15= NOT CONNECT
PIN 16= V RAMP OSC.CAPACITOR [Connect 0.47uF capacitor to GND]
PIN 17= VERTICAL OUTPUT
PIN 18= VCO I REFERENCE [Connect 4.7k resister to GND]
PIN 19= HORIZONTAL/BUS VCC [9V DC]
PIN 20= AFC FILTER
PIN 21= HORIZONTAL OUTPUT
PIN 22= VIDEO CHROMA DEFLECTION GND [GND]
PIN 23= NOT CONNECT
PIN 24= NOT CONNECT
PIN 25= SVHS CONTROL [CONTROL S OSD]
PIN 26= REM [Remote control]
PIN 27= AV2[Control av1/av2 input]
PIN 28= AV1[Control av1/av2 input]
PIN 29= NOT CONNECT
PIN 30= MUTE
PIN 31= SDA [I2C control]
PIN 32= SCK [I2C control]
PIN 33= XT1 [32.768KHz]
PIN 34= XT2 [32.768KHz]
PIN 35= CPU VCC [5V DC]
PIN 36= POWER [Control standby]
PIN 37= NOT CONNECT
PIN 38= AGC
PIN 39= KEY [KEY control]
PIN 40= RESET
PIN 41= PLL
PIN 42= CPU GND
PIN 43= CDD VCC [5V DC]
PIN 44= FBP INPUT
PIN 45= C INPUT FOR Y/C MODE
PIN 46= Y INPUT FOR Y/C MODE
PIN 47= DDS FILTER
PIN 48= Y INPUT FOR YcbCr MODE
PIN 49= Cb INPUT forYcbCr MODE
PIN 50= 4.43MHz CRYSTAL
PIN 51= Cr INPUT FOR YcbCr MODE
PIN 52= SELECTED VIDEO OUTPUT OR FSC OUTPUT
PIN 53= CHROMA APC FILTER
PIN 54= EXT VIDEO INPUT
PIN 55= VIDEO CHROMA DEFLECTION VCC
PIN 56= INT VIDEO INPIT
PIN 57= BLACK STRETCH FILTER
PIN 58= PIF APC FILTER
PIN 59= AFT OUTPUT
PIN 60= VIDEO OUTPUT
PIN 61= RF AGC OUTPUT
PIN 62= IF GROUND
PIN 63=PIF AMP INPUT
PIN 64=PIF AMP INPUT
sumber data dari google search

LA76938
PIN1=SIF OUTPUT
PIN2=VIF AGC
PIN3=SIF INPUT
PIN4=FM FILTER
PIN5=FM/AUDIO OUTPUT
PIN6=AUDIO OUTPUT
PIN7=SIF APC FILTER
PIN8=IF VCC[5V]
PIN9=VM
PIN10=ABL
PIN11=RGB VCC[12V]
PIN12=RED OUTPUT
PIN13=GREEN OUTPUT
PIN14=BLUE OUTPUT
PIN15=E/W
PIN16=VERTICAL RAMP OSC
PIN17=VERTICAL OUTPUT
PIN18=VCO IREF
PIN19=HORIZONTAL VCC[12V]
PIN20=HORIZONTAL AFC
PIN21=HORIZONTAL OUTPUT
PIN22=GROUND
PIN23=AV1/AV2
PIN24=TV/AV
PIN25=POWER
PIN26=P.03/INT3[REMOT]
PIN27=VOLUME
PIN28=X-RAY
PIN29=TUNER
PIN30=P.16 PWM.3[MUTE]
PIN31=P.12/SDA1
PIN32=P.13/SCL1
PIN33=X-TAL1
PIN34=X-TAL2
PIN35=VDD[5V]
PIN36=SCART
PIN37=BAND1
PIN38=BAND2
PIN39=KEY
PIN40=RESET
PIN41=PLL
PIN42=CPU GROUND
PIN43=CCD VCC[5V]
PIN44=FBP INPUT
PIN45=BLUE INPUT
PIN46=GREEN INPUT
PIN47=RED INPUT
PIN48=FAST
PIN49=CB
PIN50=X-TAL 4,43MHZ
PIN51=CR
PIN52=V OUTPUT/FSC
PIN53=C APC
PIN54=AV INPUT
PIN55=V/C/D/ VCC[5V]
PIN56=VIDEO INPUT/S-C INPUT[INTERNAL]
PIN57=B L D FILTER
PIN58=APC FILTER
PIN59=AFT FILTER
PIN60=VIDEO OUTPUT
PIN61=RF AGC
PIN62=IF GROUND
PIN63=VIF INPUT 2
PIN64=VIF INPUT1

Haier LE55B8500U Service Tips

Haier LED TV Service Guide By Imran Ashraf

Haier K70H6000S (MSD6A918+6M40 movement) LCD color TV software upgrade method

First, upgrade mboot 　　 　　(1), copy the upgrade file MbootUpgrade.bin to the U disk, and plug it into the TV. 　　 　　(2) Press the TV menu button to pop up the design window. Press the four keys of the remote control "8893" in sequence to pop up the factory menu. 3.press the remote control to focus on the "Mboot upgrade -->>", press the OK button, select Confirm to upgrade. 　　Second, upgrade MSD6A918 　　 　　(1), copy the upgrade file HaierUpgrade.bin to the U disk, and plug it into the TV. 　　 2. Press the TV menu button to pop up the design window (Figure 2.1). Press the four keys of the remote control "8893" in sequence to pop up the factory menu. 3. Press the remote control to focus on “6A918Update-->>”, then press the OK key. A confirmation to upgrade the 6A818 interface appears. 4.move the focus to the "Confirm" button, press the remote control OK button, and wait for the upgrade to complete. 　　 　　Third, upgrade 6M40 　　 1.copy the upgrade file to the U disk, and plug it into the TV. 2) Press the TV menu button to pop up the design window (Figure 3.1). Press the four keys of the remote control "8893" in sequence to pop up the factory menu. . 3. Press the remote control to focus on “6M40Update-->>”, then press the OK key. Appears to upgrade the 6M40 interface. 4. move the focus to the "Confirm" button, press the remote control OK button, and wait for the upgrade to complete. 　　 2, abnormal upgrade 　　 upgrade method: The main program and Mboot root directory into the U, U disk into the USB port of the TV, the present controlled hold the Menu key, the power until the upgrade interface appears, release Menu button, TV standby after successful upgrade.

　　

6 pin Regulator SMD Chip Codes

6 pin PWM IC code

5xy= NCP1251,

IDP606 = R7731A,

63xxx = OB2263,

WP35/XP35 = LD7535,

ABx = FAN6862,

xxP/50 = LD7550IL_BL,

xxP/50 = LD7550IL_BL

52xxx = OB2252

62xxx = OB2262

73xxx = 0B2273

AAIxx = SG6858TZ

G6G = AP4313

37x = LD7537

Service Manuals Free Downlaods

Sony 6 Times Blink Solved

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Sony KDL 22EX420 Blink Codes

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SONY KDL-22EX420 - KDL-22EX423 -KDL-26EX420 - KDL-26EX423 – Service mode – Self diagnostics – LED blinking code – VCOM Adjustment – White balance Adjustment – LED Television Repair and service

Category: LED Television Repair and Service 

Contents of this article 

• How to enter to service modes 


• LED Blinking code and problems 


• White balance adjustments 


• VCOM adjustments 

SONY KDL-22EX420 - KDL-22EX423 -KDL-26EX420 - KDL-26EX423

SERVICE ADJUSTMENT

Accessing Service Mode

While LCD TV set is on standby mode, press the following sequence on the Remote Commander key. < Display>  <5> <Vol Up>  <Power>

2. Digital Service Mode will be appeared first whenever entering Service Mode.
3. To changed the module, please press either OPTION or JUMP key on the remote commander.

Transition of each module in service mode
1. There are 3 modules in Service Mode:
Service Mode 1

a) Chassis
b) VPC

Service Mode 2
c) Digital
Change data by Service Mode 1 

1. To change category, item and data in CHASSIS or VPC service mode:
a. Press key 2 or 5 on remote commander to select (up or down) category.
b. Press key 1 or 4 on remote commander to select (up or down) Item.
c. Press key 3 or 6 on remote commander to change(up or down) data.
Remote commander key : 1, 2, 3 is for increment
Remote commander key : 4, 5, 6 is for decrement

2. To save changed data in Service Mode 1
a. Press key Mute on remote commander. It shows green SERVICE changes to green WRITE.
b. Press key 0. Green WRITE changes to red WRITE. It indicate writing is processing.
c. After a while, red WRITE changes to green SERVICE. Writing process is done at this point.
3. TV reboot is necessary for applying data change.

Change data by Service Mode 2 
Change data for all Except 003 DIG_SRV_MODE

To change category, item and data in DIGITAL service mode (except 003 DIG_SRV_MODE category):
a. Press key 2 or 5 on remote commander to select (up or down) category.
b. Press key 1 or 4 on remote commander to select (up or down) Item.
c. Press key 3 or 6 to change (up or down) data.
Remote commander key : 1, 2, 3 is for increment
Remote commander key : 4, 5, 6 is for decrement
No need to save for Digital Service Mode (except for 002 MODEL & 005 CHPRESET category)
Change data for 003 DIG_SRV_MODE
To change item and data in DIGITAL service mode (003 DIG_SRV_MODE category):
Please note because this operation is special.
a. Press key 2 or 5 on remote commander to select 003 DIG_SRV_MODE.
b. Press key 1 or 4 on remote commander to select (up or down) Item.
c. Press key 0 or 10 on remote commander to select item.
d. Press key 1~9 on remote commander directly. Star (*) mark will move accordingly.
e. Press key ENTER or SELECT to decide and advance next step.
Press Remote Commander key RETURN to return to the previous page.

Save changing data by Service Mode 2 
3. To change category, item and data :
a. Press key 2 or 5 on remote commander to select (up or down) category.
b. Press key 1 or 4 on remote commander to select (up or down) Item.
c. Press key 3 or 6 on remote commander to change (up or down) data.
Remote commander key : 1, 2, 3 is for increment
Remote commander key : 4, 5, 6 is for decrement
4. Press key mute +0 on remote commander . It shows red WRITE.
5. After a while, red WRITE dissapears. Green DONE will be displayed.
1. This is only required only when B Board is replaced.
2. Items in Digital service mode for 002 MODEL category.
000 SEG .....Select segment information
001 DEST.....Select destination information
002 MODELNAME......Select Model Name
003 SERIAL.....Can be set Only Once for the new board
7. Please save the item SEG, DEST, MODELNAME sequentially. SEG >DEST >MODELNAME
8. When Saving the item "SEG", sometimes instead of
"Writing", word "Pending" will appear. In this case, skip the
"SEG", save the "DEST" and "MODELNAME" is OK.
6. For the item SEG, DEST MODELNAME, after changing each item, service save(mute+0) is needed. For the item SERIAL, after inputting the serial number, press key 12 or Enter, the serial data will be saved.

White Balance Adjustment

To access to White Balance Service mode, choose VPC Service Mode.
a. Press key 1 or 4 on remote commander to select WB adjustment menu. 006 WB category will be seen on the menu.
b. Change data by pressing 3 or 6. Each range of these items is 0-255.
c. Press mute ＋ 0 on remote commander to save the data. SERVICE comment is changed to WRITE, indicating writing process.
d. After a while, WRITE comment returns to SERVICE, which means writing process is done. (takes about a couple of seconds)
Restore WB / Gamma adj-data to B board.

In VPC service mode:
a. Select 000 DATA_COPY category by pressing key 2 or 5 on remote commander.
b. Change data from 0 to 1 by pressing key 3 or 6 on remote commander.
c. Wait until data is changed from 1 to 3.
d. When data is changed from 1 to 3, restoring process is finished.
e. In case data is changed from 1 to 2, keep default setting. (No more process is needed.)

Notes:
1. This restoration should be applied after USB-DL being assembled when B Board is replaced.
2. This process only applicable for 120Hz / 240Hz models only.

Change the emitter output level (Applicable only for TD model).
1. Purpose to reduce the emitter LED output power strength.
2. Select VPC service mode and then press:
a. Select 005 TD category by pressing key 2 or 5 on remote commander.
b. Select 000 EMIT_STR item by pressing key 1 or 4 on remote commander.
c. Change data from 0 to 1 by pressing key 3 or 6 on remote commander.
0: Strong (Default)
1: Weak
d. Save by pressing Mute & 0 or 10 & Reboot.

Viewing VCOM Test Pattern
Step 1

To access VCOM Step 1, please select Digital Service Mode first
a. Select 003 DIG_SRV_MODE category by pressing key 2 or 5 on remote
commander.
b. Press key 0 on remote commander to go to TEST PATTERN Mode.
c. Press key Enter or 1 or 2 on remote commmander to go into Video TEST PATTERN.
d. Press key 7 or 8 on remote commander to select the test pattern
e. Press key Enter or Select on remote commander twice to show the VCOM
Step 2
To access VCOM Step 2, please select VPCService Mode first

a. Select 002 VCOM category by pressing key 2 or 5 on remote commander.
b. Select 000 ENABLE item by pressing key 1 or 4 on remote commander.
c. Change ENABLE from 0 to 1 to enable VCOM adjustment.

Step 3

To access VCOM Step 3, please select VPC Service Mode.
a. Select 002 VCOM category by pressing key 2 or 5 on remote commander.
b. Select 001 ADJUST item by pressing key 1 or 4 on remote commander.
c. Change data by pressing key 3 or 6 on remote commander.
d. Finish the adjustment when the picture seems OK.

Step 4

To access VCOM Step 4, please select Digital Service .
a. Select 007 VCOM category by pressing key 2 or 5 on remote commander.
b. Change data from 1 to 0 by pressing key 3 or 6 on remote commander.
c. Confirm the final result of the VCOM adjustment .
d. If OK, Finish the VCOM adjustment. If NG, pressing key 3 or 6 to show the OSD again and go back to VCOM adjustment STEP3

SELF DIAGNOSTIC FUNCTION

Accessing Self Diagnostic Menu

1. While LCD TV set is on standby mode, press the following
sequence on the Remote Commander key. (RM-GD020)
 i+ >5 >Vol Down >TV Power

2.To Reset Error Count & Error History: Press 8  >  0 key

3. To Reset Panel Operation Time (Applicable Only when Panel is replaced): Press < 7 >  < 0 > key

4.To exit, turn the power off using Remote Commander key.

LED BLINKING ERROR CODES 

Blinking Times	Error	Countermeasure to replaced
2	Main Power Error	Power Supply Board Main Board
3	Main Board / DC Alert Error / Audio Error	Main Board
4	Balancer Error / MM SPI Error / VLED Error	Not applicable for this
5	Tcon Error / HFR Error / FRC No	Not applicable for this
	Panel ID NVM Error	Tcon Panel Module
6	Backlight Error	Power Supply Board Main Board Panel
7	Temperature Error	Main Board
8	Software Error	Main Board Wifi (Not applicable for this manual)
10	Emitter Board Power Error	Not applicable for this m