LG 42LN54XX / 42LN540S / 42LN540V / 42LN541V / 42LN542V (CHASSIS:LD31B / LD36B) Service Manual ▷ View online
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
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
screen condition by signal
A7
Established
date
Revised
date
Error
symptom
Content
LCD TV
<ALL MODELS>
2013. 01 .09
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
Standard Repair Process Detail Technical Manual
Adjustment Test pattern - ADJ Key
A. Video error_Color error
You can view 6 types of patterns using the ADJ Key
Checking item : 1. Defective pixel 2. Residual image 3. MODULE error (ADD-BAR,SCAN BAR..)
4.Video error (Classification of MODULE or Main-B/D!)
A10
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 01 .09
Click on the first or last page to see other 42LN54XX / 42LN540S / 42LN540V / 42LN541V / 42LN542V (CHASSIS:LD31B / LD36B) service manuals if exist.