Abnormal Display In Component 480I Mode; Abnormal Display In Component Dtv Mode - LG 42LC2D Service Manual

(5) Abnormal display in Component 480i mode

Is the Video Decoder
IC306 UPD64011
good?
Yes
Is IC400
Scaler good?

(6) Abnormal display in Component DTV mode

Is normal the IC104
140538G?
Yes
Is IC101 (CXA2181Q)
good?
Yes
Is normal the IC306
MST9883C?
Yes
Is IC400
Scaler good?
No
Are the Input voltage, IIC
Comm. and HV sync good?
No
Are the Input voltage, IIC
Comm. and HV sync good?
No
Are the Input voltage, IIC
Comm. and HV sync good?
No
Are the Input voltage, IIC
Comm. and HV sync good?
No
Are the Input voltage, IIC
Comm. and HV sync good?
No
Are the Input voltage, IIC
Comm. and HV sync good?
No
No
No
No
No
No
- 18 -
Replace IC
Replace IC
Replace IC104
Replace IC101
Replace IC306
Replace IC400