LC-32L400M
6 – 4
With <Component> signal input No video onscreen (5)
No external input video onscreen <INPUT 4>
Is INPUT 4 selected on the input select menu screen? NO Select INPUT 4 on the input select menu screen to pick up the
right input signal.
YES
Are there the Y, Pb and Pr signal inputs at pins (15), (13) and
(17) of IC3301 respectively?
NO Check the line between pins (3)/(5)/(7) of J5509 and pins (15)/
(13)/(17) of IC3301.
YES
Is input waveform of IC3301 normal?
Y=(15) pin, Pb=(13) pin, Pr=(17) pin
NO Check IC3301 and its peripheral circuits.
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
With <HDMI> signal input No video onscreen (6)
No external input video onscreen <INPUT 1>
Is INPUT 1 selected on the input select menu screen? NO Select INPUT 1 on the input select menu screen to pick up the
right input signal.
YES
Are there the signal inputs from the HDMI (SC1501)
connector to the following input terminals of IC3301.
NO Check IC3301 and their peripheral circuits.
YES
Are there signal outputs of IC3301? NO Check IC3301 and its peripheral circuits.
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
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