PG-C45X - diagramas.diagram...
PG-C45X - diagramas.diagram...
PG-C45X - diagramas.diagram...
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<strong>PG</strong>-<strong>C45X</strong><br />
TROUBLE SHOOTING TABLE for PC I/F UNIT (Continued)<br />
6<br />
Check the clock signal of IC8015<br />
by FL8114.<br />
Is the clock signal normal?<br />
Yes<br />
Go to "Checking of Video Sync<br />
Signal".<br />
IC8025 or its periphery is defective.<br />
Checking of Video Sync Signal<br />
Measure the signal at pin (10) of<br />
IC8363 on the oscilloscope.<br />
(Checking of vertical sync signal)<br />
Is the vertical sync signal normal?<br />
7<br />
Yes<br />
Measure the signal at pin (6) of<br />
IC8363 on the oscilloscope.<br />
(Checking of horizontal sync signal)<br />
Is the horizontal sync signal<br />
normal?<br />
Yes<br />
No<br />
No<br />
No<br />
IC8015 is defective.<br />
Go to "Confirmation of Input<br />
Signal Setting".<br />
46
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