LG 55EA9800-TA (CHASSIS:EB34D) Service Manual ▷ View online
Settings Channel
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
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
A4
Established
date
Revised
date
Error
symptom
Content
LCD TV
A4
2013.01.31
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
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
2013.01.31
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