LG 32LT75/76 Service Manual page 16

4. In case of strange screen display in specific modes
4-1. 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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Only for training and service purposes
No
Is the LVDS cable
connected?
No
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.
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