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This scanned manual is well done in that most all the pages except for one is straight and clear- the way I would do them. One page was upside down but that happens. For the money that is charged on this site you get a pretty good deal. Now with complex repairs, I still prefer to us paper manuals which I have to buy at stereomanuals but the one I got here was much less than the $45 he was charging but this is a larger than normal manual for three different units. I am a picky manual user because I have used original manuals from Sony and Teac.
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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.
C.
DISC IN
OPEN/CLOSE
Fig.3. FOCUS ERROR waveform NO FOCUS ON? YES
Check the focus error moving the lens up and down. (IC2A1 Pin 42)
NO
Check IC2A1 Pin 11,12,13,14 in DVD Mode IC201 no output : Pick-up is defective.
YES
Does the TTL level change at IC201 Pin 78 and 132 moving the lens?
NO Replace IC201.
YES
Replace µ-COM or IC201.
NO Does the disc turn? YES
Check IC2M1 Pin 21, PMD03 Pin 6 turn when the IC2M1 Pin 21 is less than 2.2V.
Check IC201 and IC2M1 when PMD03 Pin 6 is abnormal
NO IC201 Pin169 is "High"? YES Check A
Is OK the track jump. YES
NO
Does the signal pulse appear at IC2A1 Pins 39, 29? YES
NO
IC2A1 is defective.
NO Does the screen appear? YES
Video Part is defective. Check "5.MPEG Circuit." Check "7.OSD/Video Circuit."
Replace µ-COM part.
END
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 $4.99 L55 NAD
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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