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There are currently no product reviews.
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The manual is well organized and is easy to read. The chapters are following normal way to proceed.
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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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[4] DIGITAL ASSY
Flowchart of Failure Analysis for The DIGITAL Assy
Failure analysis for the DIGITAL Assy => DG1
A
The on-screen display (OSD) is not properly indicated.
� If the OSD is not properly displayed although the panel mask is properly displayed, a failure exists in the path from the output of IC2801 on the MAIN Assy to IC3301 on the DIGITAL Assy. -> If only the OSD is abnormal, the MAIN Assy is in failure.
Disconnect and reconnect the 50P (J212) FFC/40P (J211) FFC. NG Replace the 50P (J212) FFC/ 40P (J211) FFC. NG Is an appropriate signal input? (Check the V frequency with the QSI command.) No Is the sync signal properly output from the MAIN Assy? No
� It is most likely that the video signal and sync signal data are abnormal.
B
Yes
� If no vertical sync signal is input to the DIGITAL Assy, a freeze-frame picture will be displayed.
No
Replace the DIGITAL Assy. NG OK
C
Replace the MAIN Assy.
Failure in connectors CN3201 or CN3202 on the DIGITAL Assy. Failure in ASIC (IC3301) on the DIGITAL Assy.
D
E
F
PDP-5020FD
5 6 7 8
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