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OK?..manual is complet and helpfull... for repairing such a old and rare boombox like JVC PCM it is necessary...
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Super Anleitung. Ordentliche Auflösung. Das ganze noch in Deutsch wäre zu schön. Alle Datenblätter sind sauber Kopiert und alle Leitungswege sind sauber ausgeführt
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Thanks God for the internet and thanks for the service like this - proffessional solution on time.
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About the service it's very fast and reliable. About the manual the quality is high enough to read even the tiniest details on the wiring diagrams so you can't ask much more than that, let it alone for a manual of a product from 20 years ago. Thank you, very satisfied.
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The downloaded quality was as good as the orignial
C.REC Luminance NG
Is the video signal obtained from pin 31 of IC301? YES NO Check Scart jack or A/V jack and pattern
Is ON/OFF 5V supplied to pin 26 and pin 54 of IC301 at 5volts?
NO
Check ON/OFF 5V
YES
Is REC(H) supplied to anode of DA01 at 4.2volt?
NO
Check SSB Data and REC(H)
YES Is the video signal from pin 31 of IC301 fed to pin 38 of IC301? NO
Check IC301
YES
Is the luminance signal from pin 36 of IC301 fed to pin 35 of IC301?
NO
Check C302
YES
Is the luminace signal from pin 47 of IC301 fed to pin 52 of IC301? YES
NO
Is QV SYNC (H) supplied to anode of D301 at 0 volt? NO YES
Change IC301
Check QV SYNC
Is the modulating luminance signal from pin 52 of IC301 fed to pin 15 of ICA01? YES
NO Check record EQ circuit
To HEADAMP IC
17
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