LG RU-60PZ61, Service Manual

Page: 19 / 52

- 19 -
TROUBLE SHOOTING GUIDE
5. Abnormal Display
5-1. Does’t display the OSD
(1) Symptom
¯
LED is green
¯
The minute discharge continuously becomes
accomplished from module
(2) Check follow
Check the LVDS
cable?
Is the VSC Digital
Board good?
Is the LVDS cable
connected well?
Reset cable.
Yes
No
No
Yes
Operates the Thine
IC(IC1100)?
Replace Thine
IC(IC1100).
No
Is the Ctrl Board
good?
Replace Ctrl B/D.
No
No
Check
IEP(IC500)?
Replace
IEP(IC500).
Yes
No
Check
Scaler(IC700)?
Replace
VSC Digital
B/D.
Replace
Scaler(IC700).
Yes Yes
No
Replace cable.
Yes