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Quick service response. A useful and very rare service manual with all details. I recomend this service.
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I ordered this manual sometime in the afternoon and I received it on my e-mail the same evening.
This is a fantastically good and properly scanned copy of the original manual. All pages are of the same scale and they overlap each other. It means that you can print the manual and easily make it as a convenient paper manual.
The content of the manual is fantastic. Alignment descriptions, PCB layouts and elementary diagrams are explicit and precise. I immediately found what I was looking for. Thanks to this manual and Owner-Manuals.com my amplifier is alive again. Many thanx indded!
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The manual was well-scanned and easy to read. As an added bonus, the Operator's Manual was bundled with the Service Manual!
I'd definitely use owner-manuals.com again.
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Finally, i found one website, where i can download this service manual , and fix my hifi. The service manual is very good, and easy to download and to print.
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Complete and very useful. Could have benefited from a little higher resolution on the schematic and layout diagrams for improved legibility.
Press the "3" key, check whether deviation of the TX data is app. ±35 kHz Dev. OK
NG
Check whether there is a 250Hz data waveform at C717. OK Check handset RF unit (B850).
NG
Check RT603, R626, R672, R673, R679, R680 and C642.
Press the "6" key, and apply NG 926.207269 MHz (250 Hz ±35 kHz Dev.) 1mV output signal from RF jack. Check whether the bell ring. OK Place the handset on the base to charge about 5 seconds, then connect again.
Check whether the 250 Hz data wareform from pin 28 of IC601. OK Check whether there is a 250 Hz data waveform at pin 24 of IC601. OK
NG
Check handset RF unit and the peripheral circuit of IC601.
NG
Check R614, R703, C631, C632 and their peripheral circuits.
Check whether there is a 250 Hz data waveform at pin 40 of IC602. OK Check IC602 and its peripheral circuit.
NG
Check R616, R663 and their peripheral circuits.
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