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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
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Block diagram,play rec block diagram,adjusments, it's a very good well done repair manual.
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Very clear copy of the philips service manual. Fast delivery. Thank you very much
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Excellent manual, detailed, very useful! Exactly what I needed, I'd recommend it to all who need it. Although images are scanned easily readable and explicit. A valuable tool product at a price more than modest, take it with confidence and you will not regret it!
TROUBLESHOOTING GUIDE
THE AUDIO CAN NOT RECORD
NO Is bias level at L101 OK? YES
In starting recording, is there sine wave at pin 11 of IC101? YES
NO
Check POWER BLOCK and voltage of base of Q103.
Check disconnection and short of L101.
Is there audio signal at pin 76, 78 and 80 of IC101? YES
NO
Check IC701 and the circuit from TUNER or audio input juck to IC701 .
Is there voltage of base of Q103 about 5V? YES
NO
Change Q103.
Is there Asine wave at pin 5 of L101? YES
NO
Change L101.
Check lead wire of A/C HEAD and CONNECTOR.
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