LG 32LN5650 (CHASSIS:LB31J) Service Manual ▷ View online
21
MENU => Press red key Remote controller=>signal test
=> 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>
A5
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 01 .09
22
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>
A6
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 01 .09
23
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(AV, COMP,
HDMI), check the screen condition by signal
HDMI), check the screen condition by signal
A7
Established
date
Revised
date
Error
symptom
Content
LCD TV
<ALL MODELS>
2013. 01 .09
24
1. Check and replace LVDS Cable
2. Check LVDS connection condition
Standard Repair Process Detail Technical Manual
Check and replace Link Cable(LVDS) and contact condition
A. Video error_Color error
<ALL MODELS>
A8/A9
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 01 .09
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