LG 65LA970V-ZA / 65LA970W-ZA / 65LA9709-ZA (CHASSIS:LD34N) Service Manual ▷ View online
Established
date
Standard Repair Process Detail Technical Manual
Revised
date
A1-2
Error
symptom
Content
Check LCD back light with naked eye
A. Video
error_No
video/Normal audio
After turning on the power and disassembling the case, check with the naked eye,
whether you can see light from 2 locations.
LCD TV
A1-2
2013.01.31
<**LA970*-Z*>
Established
date
Standard Repair Process Detail Technical Manual
Revised
date
A2
Error
symptom
Content
Check White Balance value
A. Video
error_No
video/Normal audio
LCD TV
A2
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 6.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp
(Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD.
<ALL MODELS>
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 9.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp
(Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD.
2013.01.31
Settings Set up
Manual Tuning
select channel
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
Standard Repair Process Detail Technical Manual
TUNER input signal strength checking method
A. Video error_Video error, video lag/stop
<ALL MODELS>
A3
Established
date
Revised
date
Error
symptom
Content
LCD TV
A3
2013.01.31
Standard Repair Process Detail Technical Manual
LCD-TV Version checking method
A. Video error_Video error, video lag/stop
1. Checking method for remote controller for adjustment
Press the IN-START with the remote
controller for adjustment
Version
<ALL MODELS>
A4
Established
date
Revised
date
Error
symptom
Content
LCD TV
A4
2013.01.31
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