Does the pulse appear
at Pin 6 and 8 of IC101?
5 Troubleshooting
5-2 DI19PS
5-2 No Video
Power indicator is green.
Check IC101 or
check CN101 and
check it’s related circuit.
No
Does the pulse appear at
Pin 126 and 127 of IC401?
Replace IC205 or
check it’s related circuit.
Does DC 5V appear at
Pin 1, 2 and 3 of CN401?
Yes
Yes
No
No
Replace X401 or
check it’s related circuit.
No
No
Does the pulse
appear at Pin 122 of IC401?
Does the pulse
appear at Pin 74
and 75 of IC401?
Replace LCD panel.
Yes
Replace IC401.
Yes
Check IC301 and
check it’s related circuit.
Yes
3 4 5
1
6 7 8
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