Abnormal Display - LG MU-42PM11 Service Manual

5. Abnormal Display

5-1. No OSD
(1) Symptom
LED is green
¯
No OnScreen Display
¯
(2) Check follow
Check the LVDS
cable?
Yes
Is the VSC Digital
Board good?
Yes
Is the Ctrl Board
good?
TROUBLE SHOOTING GUIDE
No
Is the LVDS cable
connected well?
No
Reset cable.
No
Operates the Thine
IC(IC1100)?
No
Replace Thine
IC(IC1100).
No
Replace Ctrl B/D.
Yes
Replace cable.
Yes Yes
Check
IEP(IC500)?
No
Replace
IEP(IC500).
- 19 -
Yes
Check
VSC Digital
Scaler(IC700)?
No
Replace
Scaler(IC700).
Replace
B/D.