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Great service manua!
Always great value and fast service A++++++++++++++++++
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Excellent Service manual, good quality scans, quick service and very good value. Well reccomended ! All good.
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Great value service manual!
Good-quality scans. Detailed and valuable informations.
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Great value service manual!
Good-quality scans. Detailed and valuable informations.
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Excellent scan quality. A complete and very useful manual with all details.
Great service at low price A+++++++++++++++++
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.
-67-
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