LG 60PC1D Service Manual page 13

2. In case of occurring strange screen into specific mode
2-1. In case the OSD does not displayed
(1) Symptom
1) LED is white.
2) Some discharge on Panel becomes accomplished continuously.
(2) Check follow
Is the LVDS cable
normal ?
Yes
No
Is the VSC Board
normal?
Yes
No
Is the Ctrl Board of
Module normal?
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No
Is the LVDS cable
connected well?
No
Cable inserts well.
Does the Thine IC
(IC900) Operates ?
No
Replace Thine
(IC900).
Replace Ctrl B/D.
Yes
Replace the cable.
Yes
Does the Scaler
(IC401) Operates ?
No
Replace Scaler
(IC401).
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Yes
Replace VSC
Digital B/D.