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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.
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Great Service Manual, Very Complete, as advertised, Perfect, Thanks!
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Good quality service manual.It has helped me to fix my FV1800,particularly for replacing the dial cord.The scheme is on A3 format and very readable.Thank.Olivier.
XR-A550MD
¶ Disc loading is incorrect
Is disc loaded when it is inserted? NO Is Pin 4 of CN1601 set to "L"? YES Does either Pin 23 or 24 of IC1601 change? YES NO NO Check IC1401. NO Check CN1601 and SW1956. YES
Does either Pin 30 or 31 of IC1601 change? YES Check the CN1604.
NO
Check CN1604 and IC1601.
YES Does the system eject when the MD removal button is pressed? YES The disc table retracts after ejection is completed. YES Check CN1601 and SW1956. NO
¶ The system does not playback
The system play back neither reflection discs. NO The system does not playback only high-reflection discs. YES Is Pin 93 of IC1401 set to 1.02V±0.3V in Test mode, with high-reflection disc inserted? NO YES YES NO YES Go to "CHECKING BY TEST MODE". NO The system does not play back only low-reflection discs. YES Is Pin 93 of IC1401 set to 2.06V±0.3V (recording possible), 3.2V±0.3V (recording prohibit) with low-reflection disc inserted?
Go to "NORMAL PLAYBACK" after readjustment.
Check SW1951/SW1952, MD MECHA SW Assy and CN1601.
105
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