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5 Troubleshooting
5-2 No Video
Power indicator is green.
Does DC 5V appear at
Pin 1, 2 and 3 of CN04?
Yes
Does the pulse
appear at Pin 74
3 4
and 75 of IC101?
Yes
Replace LCD panel.
5-2
No
Replace IC109 or
check it's related circuit.
No
Does the pulse appear at
5
6
Pin 126 and 127 of IC101?
Yes
Does the pulse
1
appear at Pin 122 of IC101?
Yes
Replace IC101.
Replace X101 or
check it's related circuit.
No
Does the pulse appear
7 8
at Pin 8 and 10 of IC110?
Yes
Check IC102 and
No
check it's related circuit.
Check IC110 or
check CN01 and
check it's related circuit.
No
DS17BS*
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