LG 32LC2D Service Manual page 21

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