Read LG 42PC1DV-AA (CHASSIS:PB61A) Service Manual online
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(5) When Component or RGB-DTV/ PC mode is abnormal
(6) When HDMI/DVI mode is abnormal
(7) When DVI-PC mode is abnormal
(8) When Digital TV mode is abnormal
Is normal the Input voltage, IIC
Communication and HV sync?
Is normal the Input voltage, IIC
Communication and HV sync?
Is the CXA2151Q(IC500)
normal?
Yes
Is the MST3362(IC604)
normal?
Is the MST3362(IC604)
normal?
No
Replace the IC.
No
No
Replace the IC.
No
Is normal the Input voltage, IIC
Communication and HV sync?
Yes
Is the Scaler normal?
No
Replace the IC.
No
Is normal the Input voltage, IIC
Communication and HV sync?
Is the EDID correct?
Yes
Is the latest version the Graphic card
driver of the PC?
Update the Graphic card driver with the
latest version.
No
No
Is normal the Input voltage, IIC
Communication and HV sync?
Yes
Is the Scaler normal?
No
Replace the IC.
Cable connected well.
No
Is the Tuner Cable connected
well?
No
Is normal the Input voltage, IIC
Communication and output of the tuner?
Is the Splitter normal?
Yes
Replace the Tuner.
Is the Flat Cables
normal?
No
Is normal the Input voltage, IIC
Communication and HV sync?
Replace the IC.
No
Is normal the Input voltage, IIC
Communication and HV sync?
Yes
Is the Scaler normal?
No
Replace the IC.
No
No
Replace the Tuner.
No
Yes
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