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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 />

Checking of SOG Circuit<br />

Measure the signal at pin (2) of<br />

IC8365 on the oscilloscope.<br />

Is the composite sync signal<br />

reproduced in correct timing?<br />

No<br />

Measure the land of C8070 on the<br />

oscilloscope.<br />

Is there the Y signal including sync<br />

signal?<br />

Yes<br />

The SOG sync separation circuit<br />

(INPUT PWB) is defective.<br />

Yes<br />

No<br />

The SOG circuit is normal. End.<br />

Go to "Confirmation of Input Signal<br />

Setting".<br />

44

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