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Great scanned service manual
Usefull informations.
I will buy again!
Best Regards
;
The manual describes this product very good. It has the basic things to know and also a more detailed look. Very well made!
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An excellent document to assist in the repair of my old personal tape player. It includes full circuit diagrams and physical layout drawings and full instructions on disassembly and fault finding.
Well worth the meagre price.
;
Very good conversation, Pretty fast Service, wood do it again,
Have paid by Paypal, so i got the Service Manual online after 15 Min.
Very helpfully.
Greeting from Germany,
Hans
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Good-quality scans. Detailed description. I hope I can repair the machine.
Set the handset in the test mode 3, check whether deviation of the TX data is app. 7 kHz Dev. OK
NG
Check whether there is a 250Hz data waveform at Pin 9 of J601. OK
NG
Check VR601, R619, R632, R634, R635, R636 and C611.
Check handset RF unit.
Set the handset in the test mode 6, 927.000602 MHz (250 Hz ±7 kHz Dev.) 1mV output signal from RF jack is applied. Check whether the bell ring. OK Place the handset on the base to charge about 5 seconds, then connect again.
NG
Check whether the 250 Hz data wareform from Pin 1 of J601 is fed. OK Check whether there is a 250 Hz data waveform at the Q601 collector. OK
NG Check handset RF unit.
NG
Check VR602, Q601 and their peripheral circuits.
Check whether there is a 250 Hz data waveform at Pin 55 of IC603. OK Check IC603 and its peripheral circuit.
NG
Check Q602, Q604 and their peripheral circuits.
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