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PG-C45X - diagramas.diagram...

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

Checking the RGB signal.<br />

Are the RGB signals outputted from<br />

pin(16), (18) and (20) of IC3101?<br />

TROUBLE SHOOTING TABLE (Continued)<br />

Yes<br />

Are their signals outputted from<br />

pins(26), (28) and (30) of P3102?<br />

Yes<br />

Are their signals inputted into<br />

pins(1), (5) and (25)?<br />

Yes<br />

Are their signals inputted into<br />

pins(54), (58) and (62)?<br />

Yes<br />

Are their signals outputted from<br />

pin(45)-(54), pins(57)-(66) and<br />

pins(69)-(78) of P8001?<br />

Yes<br />

Are their signals inputted into<br />

IC1101, IC1102, IC1201, IC1202,<br />

IC1301 and IC1302?<br />

Yes<br />

Are their signals inputted into<br />

SC1101, SC1201 and SC1301?<br />

Yes<br />

Check the connection of LCD<br />

panels<br />

And when video signal and OSD<br />

are also not displaied, replace the<br />

LCD panels.<br />

No<br />

No<br />

No<br />

No<br />

No<br />

No<br />

Check IC3101 and its peripheral<br />

circuits.<br />

Check SC3102, P3102 and<br />

their peripheral circuits.<br />

Check Q2419, Q2420 and their<br />

peripheral circuits.<br />

Check IC2401, Q2401, Q2402 and<br />

Q2404 and their peripheral circuits.<br />

Go to "Checking the PC I/F unit".<br />

Check IC1101, IC1102, IC1201,<br />

IC1202, IC1301 and IC1302 and<br />

their peripheral circuits.<br />

34

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