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Service Guide

Service Guide

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6. NO ON-SCREEN DISPLAY<br />

Check<br />

the signal (50/60Hz)<br />

Check<br />

clock/data signal<br />

V.SYNC IN<br />

H.SYNC IN<br />

#39<br />

#38<br />

I701<br />

MICOM<br />

SDA<br />

SCL<br />

I501<br />

Check<br />

the signal (15.625KHz)<br />

#12<br />

#11<br />

#10<br />

#9<br />

FAST BLANK<br />

OSD R<br />

OSD G<br />

OSD B<br />

#50<br />

#49<br />

#48<br />

#47<br />

#50 #51<br />

Check<br />

the crystal<br />

X701<br />

4MHz<br />

Check<br />

OSD R/G/B/FB signal<br />

7. REMOTE CONTROL DOES NOT OPERATE<br />

I701<br />

MICOM<br />

#57<br />

OUT<br />

I704<br />

Remote Control<br />

PREAMP<br />

#50 #51<br />

Check<br />

the waveform<br />

ST-BY<br />

5V<br />

Check<br />

the crystal<br />

X701<br />

4MHz

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