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LG 42PG20D Service Manual page 15

Chassis pa81a

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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) Check following
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
Connect the LVDS cabel
with the VSC board.
No
Is the IC100(FLI106X0H)
normal?
No
Replace the
IC100(FLI106X0H)
No
Replace the Ctrl B/D.
Yes
Replace the LVDS cable.
Yes
Replace the VSC B/D
- 15 -
LGE Internal Use Only

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