22LN4050 (CHASSIS:LB35A) - LG TV Service Manual (repair manual). Page 17

Read LG 22LN4050 (CHASSIS:LB35A) Service Manual online

- 17 -
5. Abnormal screen (AV)-Main PCBA
wœ›G•›–Gh}GŠˆ‰“ŒGŠ–”—“Œ›Œ“ f
Abnormal screen (AV)
YES
NO
NO
Insult AV cable tight
1
Change IC501
WAVEFORMS
pšGp•—œ›G šŽ•ˆ“G›”•ŽG
ˆ•‹G–™”ˆ›G •Gš—ŒŠf
Change Timing to 480I, 576I 
Or change format CVBS
2
pšGžˆŒ–™”G ˆ›Gy\W\
3
Check Line between JK101 and IC501
is open or short,  Another is 
change AV cable
NO
YES
YES
y\W\GOj}izP
3
Page of 33
Display

Click on the first or last page to see other 22LN4050 (CHASSIS:LB35A) service manuals if exist.