LG 32LC2DC Service Manual page 20

(7) Abnormal display in RGB DTV mode
Is normal the IC101
CXA2181Q?
Yes
Is normal the IC306
MST9883C?
Yes
Is normal IC400 the
Scaler?
(8) Abnormal display in RGB PC mode
Is normal the
M52758?
Yes
Is normal IC400 the
Scaler?
(8) Abnormal display in DVI mode
Is normal IC400 the
Scaler?
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
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Replace IC101
Replace IC306
Replace IC400
Replace IC306
Replace IC400
Replace IC400