LG 42PX3RVA Service Manual page 21

Chassis : mf-056c
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5. In case of occur strange screen into specific mode
5-1. In case of does't display the OSD
(1) Symptom
LED is green
Ø
The minute discharge continuously becomes
Ø
accomplished from module
(2) Check follow
Is normal the LVDS
cable?
Yes
Is normal the VSC
Board?
Yes
Is normal the Ctrl
Board of Module?
No
Is the LVDS cable
connected well?
No
Cable inserts well.
No
Operates the
FIL8532 IC(IC800)?
No
Replace FIL8532
IC(IC800).
No
Replace Ctrl B/D.
Yes
Replace cable.
Yes
Replace VSC B/D

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