17
NO
YES
Check Scart jack or A/V jack
and pattern
Is ON/OFF 5V supplied to pin
and pin of IC301 at 5volts?
NO
YES
Check ON/OFF 5V
Is REC(H) supplied to anode of
DA01 at 4.2volt?
NO
YES
Check SSB Data and REC(H)
Is the video signal from pin
of IC301 fed to pin of IC301?
NO
YES
Check IC301
Is the luminance signal from pin
of IC301 fed to pin of IC301?
YES
Check C302
C.REC Luminance NG
31
26
54
31
38
35
36
Is the luminace signal from pin
of IC301 fed to pin of IC301?
NO
Is QV SYNC (H) supplied to
anode of D301 at 0 volt?
Check QV SYNC
Change IC301
NO
YES
47
52
YES
Is the modulating luminance signal
from pin of IC301 fed to pin of ICA01?
YES
Check record EQ circuit
To HEADAMP IC
52
15
NO
NO
Is the video signal obtained from
pin of IC301?
Summary of Contents for DV-K10DY-QB
Page 29: ...26 6 1 CONNECTION DIAGRAM DV K10D 12D SECTION 6 CIRCUIT DIAGRAM ...
Page 30: ...27 6 2 POWER CIRCUIT DIAGRAM DV K10D 12D ...
Page 31: ...28 6 3 SCART MAIN CIRCUIT DIAGRAM DV K10D 12D ...
Page 32: ...29 6 4 VIDEO HEAD AMP DV K10D 12D ...
Page 33: ...30 6 5 AUDIO CIRCUIT DIAGRAM DV K10D 12D ...
Page 34: ...31 MAIN PCB SECTION 7 COMPOMENTS LOCATION GUIDE ON PCB BOTTOM VIEW ...
