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Very good quality, prompt response. This website has reasonable prices and wide range of manuals that are hard to find.
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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.
TROUBLESHOOTING GUIDE
NO PLAYBACK PICTURE
Does E-E appear on the Monitor TV ?
No
Is the voltage at pin 55 of IC4001 5V ?
No
Check Power circuit.
Yes
Yes
Is there PB Y/C signal at TP4001 ?
No
Check PB Y/C at pin 74 of IC4001 and the connection of the CYLINDER.
Yes
Is there FM signal at pins 71 and 72 of IC4001 ?
No
Check R4067, C4094 and the peripheral circuit.
Yes
Is there FM signal at pin 18 of IC4001 ?
No
Replace IC4001.
Yes
Is there VIDEO signal at pin 17 of IC4001 ?
No
Check Q4007 and the peripheral circuit.
Yes
Is there VIDEO signal at pin 29 of IC4001 ?
No
Replace IC4001.
Yes
Check J4201 and the connection to J4201.
E-8
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