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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
3.2.5 Signal processing section
Is the sound output from both channels (L, R)? YES Normal
NO
No sound from either channel. YES Is 9V present at IC101 pin (8)? YES
NO
Compare the L-ch and R-ch to locate the defective point. YES
NO
Check the vicinity of the Q981 audio power supply.
Is the audio signal (including sampling output NO components) output to IC801 pins 39 and 40 during playback YES Is the audio signal output at IC301 pins 1 and 32during playback? YES Check the muting circuit. NO
Check IC801 and its peripheral circuits
Check IC301 and its peripheral circuits
(No.49860)1-25
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