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There are currently no product reviews.
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Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
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Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
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I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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Very fast service, best quality of the service manual and the schematics
ELECTRICAL TROUBLESHOOTING -15/17
(3) No sound (Hi-Fi Model Only)
No sound YES Check the Vcc of IC751 Pins 1, 19, 33. YES Check the Tuner SiF signal at IC751 Pin 2. YES Check the oscillator of IC751 Pins 5, 6. YES Check the Audio of IC751 Pins 30, 31. YES Check the Audio of IC801 Pins 2, 3. YES Check the Audio of IC801 Pins 16, 17. YES Check the signal flow from IC801 pins 18, 19 to JK901 Pins 1, 3. NO Check the IIC Clock and Data at IC801 Pins 42, 43. NO Check the signal flow from IC751 Pins 30, 31 to IC801 Pins 2,3. NO Check the IIC Clock and Data at IC751 Pins 12, 13. NO Replace X751. NO Check the Tuner Audio of TU701 Pin 22. NO Check 5V power.
-70-
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