LG 65LA970V-ZA / 65LA970W-ZA / 65LA9709-ZA (CHASSIS:LD34N) Service Manual ▷ View online
Checking method:
1. Check the signal strength or check whether the screen is normal when the external device is connected.
2. After measuring each voltage from power supply, finally replace the MAIN BOARD.
Standard Repair Process Detail Technical Manual
TUNER checking part
A. Video error_Video error, video lag/stop
<ALL MODELS>
A5
Established
date
Revised
date
Error
symptom
Content
LCD TV
A5
2013.01.31
Standard Repair Process Detail Technical Manual
LCD TV connection diagram (1)
A. Video error _Vertical/Horizontal bar,
residual image, light spot
As the part connecting to the external input, check
the screen condition by signal
the screen condition by signal
A6
Established
date
Revised
date
Error
symptom
Content
LCD TV
A6
<ALL MODELS>
2013.01.31
Standard Repair Process Detail Technical Manual
Check Link Cable (LVDS) reconnection condition
A. Video error_Color error
Check the contact condition of the Link Cable, especially dust or mis insertion.
A7-1
Established
date
Revised
date
Error
symptom
Content
LCD TV
A7-1
<**LA965*-Z*>
2013.01.31
Standard Repair Process Detail Technical Manual
Check Link Cable (LVDS) reconnection condition
A. Video error_Color error
Check the contact condition of the Link Cable, especially dust or mis insertion.
A7
Established
date
Revised
date
Error
symptom
Content
LCD TV
A7
2013.01.31
<**LA970*-Z*>
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