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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.
5
6
7
8
A
H
IC701 (Pin 2) Is there abnormality at the parts and patterns in the input path? IC201 (Pin 77) Is there a bit clock output? Yes IC701 (Pin 4) No Is there abnormality at the parts and patterns in the input path? BCKO Is there abnormality at the parts and patterns in the output path?
Is there a master clock input (24.576 MHz)? Yes IC751 (Pin 2) Is there a master clock input (24.576 MHz)? Yes IC201 (Pin 79) Is there a LR clock output? Yes IC701 (Pin 3) Is there a LR clock input? Yes IC701 (Pin 31)
No
No
No
No
Replace IC291, IC701 or IC751.
Failure in 2nd DSP block. Go to Step 9.
B
No
Is there a bit clock input? Yes IC701 (Pin 30)
No
Is there abnormality at the parts and patterns in the input path?
No Replace IC701.
Replace IC291, IC701 or IC751. LCKO Is there abnormality at the parts and patterns in the output path?
(BCK) Is there abnormality at the parts and patterns in the output path?
No
No
Is there a bit clock output? Yes IC751 (Pin 4)
No
No Replace IC701
C
Failure in 2nd DSP block. Go to Step 9.
or IC751.
No
Is there abnormality at the parts and patterns in the input path?
No Replace IC701.
Is there a bit clock input? Yes IC751 (Pin 30)
No
Is there abnormality at the parts and patterns in the input path?
No Replace IC701 or IC751.
(LRCK)
LSBK
D
Is there a LR clock output? Yes IC751 (Pin 3) Is there a LR clock input? Yes IC751 (Pin 31) Is there a LR clock output? Yes IC3101 (Pin 26)
No
Is there abnormality at the parts and patterns in the output path?
No Is there a bit clock output? Yes No Is there abnormality at the parts and patterns in the output path? No
Replace IC701 or IC751.
Replace IC751 or IC3101.
No
Is there abnormality at the parts and patterns in the input path?
No Replace IC701 or IC751.
IC3101 (Pin 27) Is there a bit clock input? Yes Is there abnormality at the parts and patterns in the input path?
No
No
E
LSLK Is there abnormality at the parts and patterns in the output path?
Replace IC751 or IC3101. FDTO Is there abnormality at the parts and patterns in the output path?
No
No Replace IC751 or IC3101.
IC201 (Pin 7) Is there a audio data output? Yes
No
No
Is there a LR clock input? Yes
No
Is there abnormality at the parts and patterns in the input path?
No
Failure in 2nd DSP block. Go to Step 9.
F
I
Replace IC751 or IC3101.
SX-LX70SW
5 6 7 8
37
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