PG-C45X - diagramas.diagram...

PG-C45X - diagramas.diagram... PG-C45X - diagramas.diagram...

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

Checking the S-video system Is the lamp on ? TROUBLE SHOOTING TABLE (Continued) Yes Is specified voltage EA connectors? Yes Is the video signal inputted into the pins (19) and (21) of P3102? Yes Is the Y-signal outputted from the pin (7) of IC4502? Yes Is the C-signal outputted from the emitter of Q4513? Yes Is the signal inputted into pins(72) and (73) of P8002? Yes Go to "Checking the PC I/F unit". No No No No No No Go to "Lamp fails to light-up". Check power circuit and its parts. Check the video terminal and its peripheral circuits. Check IC4502 and its peripheral circuits. Check Q4513 and its peripheral circuits. Check Q4502 and its peripheral circuits. 33 PG-C45X

Checking the S-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 />

pins (19) and (21) of P3102?<br />

Yes<br />

Is the Y-signal outputted from the<br />

pin (7) of IC4502?<br />

Yes<br />

Is the C-signal outputted from the<br />

emitter of Q4513?<br />

Yes<br />

Is the signal inputted into pins(72)<br />

and (73) 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 Q4513 and its peripheral<br />

circuits.<br />

Check Q4502 and its peripheral<br />

circuits.<br />

33<br />

<strong>PG</strong>-<strong>C45X</strong>

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