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Really good and well scanned. File is complete the full service manual for 5$
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Good product and very helpfull to repair. Many thanks.
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Very good product. Best service manual. Many thanks
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I am only search for 5 Minute, by it in 5 Minutes to and get ist in few ours! Best i found in the Internet and my Amplifer is repaired as well! Thank you
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Readable text and good copy. Very much needed if you wish to do some repairs on this fine old unit.
TROUBLESHOOTING GUIDE
THE AUDIO CAN NOT RECORD
Is bias level at L101 OK?
NO
In starting recording, is there sine wave at pin 7 of IC101? YES
NO
Check POWER BLOCK and voltage of base of Q103.
YES
Check disconnection and short of L101.
Is there audio signal at pin 76,78 and 80 of IC101?
NO
Check IC701 and the circuit from TUNER or audio input jack to IC701 .
YES
Is there voltage of base of Q103 about 5V? YES
NO Change Q103.
Is there sine wave at pin 5 of L101? YES
NO
Change L101.
Check lead wire of A/C HEAD and CONNECTOR.
E-19
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