Read LG 26LC7D (CHASSIS:LB73A) Service Manual online
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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) Some discharge on Panel becomes accomplished continuously.
(2) Check following
Is the LVDS cable
normal ?
Is the VSC Board
normal?
Is the LVDS cable
connected well?
Cable inserts well.
Yes
No
No
Yes
Does the Thine IC
(IC900) Operates ?
Replace Thine
(IC900).
No
Is the Ctrl Board of
Module normal?
Replace Ctrl B/D.
No
No
Replace Scaler
(IC401).
No
Does the Scaler
(IC401) Operates ?
Replace VSC
Digital B/D.
Replace the cable.
Yes
Yes
Yes
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