In Case Of Strange Screen Display In Specific Modes; In Case Of No Osd Display - LG 50PT85 Service Manual

5. In case of strange screen display in specific modes

5-1. In case of no OSD display

(1) Symptom
1) LED is green.
2) The minute discharge is continuously accomplished from the module.
(2) Procedure check
Is the LVDS cable
normal ?
Yes
Is the VSC Board
normal?
Yes
Is the Ctrl Board of
Module normal?
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No
Is the LVDS cable
connected?
No
Re-insert the Cable.
No
Does the FIL8548
IC(IC700) operate?
No
Replace the FIL8548
IC(IC700)
No
Replace the Ctrl B/D.
Yes
Replace the cable.
Yes
Replace the VSC B/D
- 18 - LGE Internal Use Only