Zenith P42W46X Service Manual page 18

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
¯
The minute discharge continuously becomes
¯
accomplished from module
(2) Check follow
Is normal the LVDS
cable?
Yes
Is normal the VSC
Digital Board?
Yes
Is normal the Ctrl
Board of Module?
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No
Is the LVDS cable
connected well?
No
Cable inserts well.
No Yes
Operates the Thine
IC(IC1100)?
No
Replace Thine
IC(IC1100).
No
Replace Ctrl B/D.
Yes
Replace cable.
Yes
Operates the
IEP(IC500)?
No
Replace
IEP(IC500).
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Replace
Yes
Operates the
VSC Digital
Scaler(IC700)?
B/D.
No
Replace
Scaler(IC700).