Sharp LC-32M400M-BK, Service Manual, Page: 29 / 76

LC-32M400M-BK/WH/RD
6 – 3
With <Video> signal input No video onscreen (3)
No external input video onscreen <INPUT 5>
Is INPUT 5 selected on the input select menu screen?
NO Select INPUT 5 on the input select menu screen to pick up the
right input signal.
YES
Is there the video signal input at pin (33) of IC3301? NO Check the line between pin (6) of SC5201 and pin (33) of IC3301.
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.
With <S-video> signal input No video onscreen (4)
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 following signal inputs at the input terminals of
IC3301? NO <S-video signal>
Check the line between pins (1), (2) of SC5201 and pins (30)/(29)
of IC3301.
<S-video signal>
Are there the Y and C signal inputs at pins (30) and (29), respec-
tively?
YES
Are there signal outputs of IC3301? NO Check IC3301 and its peripheral circuits.
YES
Check LCD controller (incl. panel) and their peripheral circuits.