Abnormal Screen (Av) - Main Pcba - LG 22LS2100 Service Manual

5. Abnormal screen (AV)-Main PCBA
Abnormal screen (AV)
1
Put into AV cable completely?
2
Is Input signal timing
and f ormat in spec?
3
Is wavef orm at R651
Change IC600
WAVEFORMS
3
R651 (CVBS)
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
NO
YES
NO
YES
NO
YES
Change Timing to 480I, 576I
Check Line between JK101 and IC600
is open or short, Another is
- 16 -
Insult AV cable tight
Or change f ormat CVBS
change AV cable
LGE Internal Use Only