LG DT-42PY10X, Service Manual

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(5) in case of becomes unusual display from Component, RGB-DTV/PC mode
(6) in case of becomes unusual display from DVI-DTV mode
(7) in case of becomes unusual display from DTV-PC mode
Is normal the
CXA2181Q(IC401)?
Yes
Is normal the
AD9883(IC501)?
Is normal the Input voltage, IIC
Communication and HV sync?
No
Replace the IC
No
Is normal the Input voltage, IIC
Communication and HV sync?
No
Replace the IC
No
Yes
Is normal the Scaler?
Is normal the Input voltage, IIC
Communication and HV sync?
No
Replace the IC
No
Is normal the
Sil169(IC601)?
Yes
Is normal the Input voltage, IIC
Communication and HV sync?
No
Replace the IC
No
Is normal the Scaler?
Is normal the Input voltage, IIC
Communication and HV sync?
No
Replace the IC
No
Is correct the EDID?
Yes
Is the latest version the Graphic
card driver of the PC?
Input the correct EDID in the
EEPROM(IC102)
No
Update the Graphic card driver
with the latest version
No
Yes
Is normal the Scaler?
Is normal the Input voltage, IIC
Communication and HV sync?
No
Replace IC
No