PG-C45X - diagramas.diagram...
PG-C45X - diagramas.diagram...
PG-C45X - diagramas.diagram...
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<strong>PG</strong>-<strong>C45X</strong><br />
Checking the video system<br />
Is the lamp on ?<br />
TROUBLE SHOOTING TABLE (Continued)<br />
Yes<br />
Is specified voltage EA<br />
connectors?<br />
Yes<br />
Is the video signal inputted into the<br />
pin (23) of P3102?<br />
Yes<br />
Is the signal outputted from the pin<br />
(7) of IC4502?<br />
Yes<br />
Is the signal outputted from the pin<br />
(5) of IC4505?<br />
Yes<br />
Is the signal inputted into pin (72)<br />
of P8002?<br />
Yes<br />
Go to "Checking the PC I/F unit".<br />
No<br />
No<br />
No<br />
No<br />
No<br />
No<br />
Go to "Lamp fails to light-up".<br />
Check power circuit and its parts.<br />
Check the video terminal and its<br />
peripheral circuits.<br />
Check IC4502 and its peripheral<br />
circuits.<br />
Check IC4505 and its peripheral<br />
circuits.<br />
Check Q4501 and its peripheral<br />
circuits.<br />
32
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