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There are currently no product reviews.
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Very useful service manual, was exactly what i needed.Good quality,reasonable price.Thank you.
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Acurate informations inside the SM and I could repair my old Sansui SC-3330 without any problems. Thanks.
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I used it to repair a NAD 7030, but unfortunately, the 7045 is different !
But documentation was useful.
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Content A4 and A3 format pages. Exactly what I needed to restore my old receiver.
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Content A4 and A3 format pages. Exactly what I needed to restore my old receiver.
TROUBLESHOOTING
c. AV2 E-E
No sound in AV2 E-E mode.
YES
Is 12V obtained at IC251 pin#34? NO YES Check POWER circuit.
Is 5V obtained at IC251 pin#40?
NO Is Audio signal at IC251 pin#8, 9? Check Input AV2 JACK
YES Is Audio signal output at IC251 pin#19, 20? YES Is Audio signal output at IC601 pin NO #3, 13? Comparing with switching table, are SWA, B CTL SIGNAL right at IC601 pin #9,10? YES Replace IC601. Check Output JACK. NO Check IC501. NO Are CLK and DATA obtained at IC251 pin#42,43? YES Replace IC251.
YES
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