LG DT-50PY10, Service Manual

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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
¯
The minute discharge continuously becomes
accomplished from module
(2) Check follow
Is normal the LVDS
cable?
Is normal the VSC
Digital Board?
Is connected the LVDS
cable correctly?
Connect the cable correctly.
Yes
No
No
Yes
Operates the Thine
IC(IC1401)?
Replace Thine
IC(IC1401).
No
Is normal the Ctrl
Board of Module?
Replace Ctrl B/D.
No
No
Operates the
IEP(IC1301)?
Replace the
IEP(IC1301).
Yes
No
Operates the
Scaler(IC701)?
Replace the
Scaler(IC700).
Yes
Replace the cable.
Yes
Replace the VSC
Digital B/D
Yes
No