Sharp LC-50LE442U, Service Manual

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35
<External input D-SUB>No picture on the display (8)
Does not the picture display when VGA cable plugged into D-SUB ?
Is Video format correct?
Set the timing which TV is support?
NO
Terminal
Is R/G/B/H/V signal sent to pin (1)/RED,
(2)/Green, (3)/BLUE, (14)/H sync#,
Is R/G/B/H/V signal sent to pin
(32)/RED, (30)/Green, (28)/BLUE,
YES
Main UNIT:
YES
Refer to “The picture doesn't appear in
Check the setting of an external input
device that connects of CN1101
NO
Check the line between IC U2102 and
NO
YES