Abnormal Display - LG MU-50PM10 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?
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No
Is the LVDS cable
connected well?
No
Reset cable.
No Yes
Operates the Thine
IC(IC1100)?
No
Replace Thine
IC(IC1100).
No
Replace Ctrl B/D.
Yes
Replace cable.
Yes
Check
IEP(IC500)?
No
Replace
IEP(IC500).
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Replace
Yes
Check
VSC Digital
Scaler(IC700)?
No
Replace
Scaler(IC700).
B/D.