Read LG 50PG7500-ZB (CHASSIS:PD82A) Service Manual online
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5. In case of occurring strange screen into specific mode
5-1. In case the OSD does not displayed
(1) Symptom
1) LED is green.
2) The minute discharged continuously becomes Accomplished from module.
2) The minute discharged continuously becomes Accomplished from module.
(2) Check following
Is the LVDS cable
normal ?
Is the VSC Board
normal?
Is the LVDS cable
connected?
Re-insert the Cable inserts.
Yes
No
No
Yes
Does the FIL8548
IC(IC700) Operates ?
Replace FIL8548
IC(IC700)
No
Is the Ctrl Board of
Module normal?
Replace Ctrl B/D.
No
No
Yes
Replace hte VSC B/D
Replace the cable.
Yes
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