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Incredibly clear!!!! Well done, complete and wonderful. It could not better than this!!!!
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Thank You for fast delivery for the sheme.
Everything allright.
Thanks & best regards Franz
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again you did a very good job. It was fast too. Photocopy are really readable and clear
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Probably it never existed a 1081 official service manual from Commodore, it's look more like a NAPCEC service manual & diagrams compilation of the 1084 series and his variants, like the nap6523, 8cm505, 1084S, 1084P and obviously the 1081. It's more complete than other scans and the quality of the scans also are far superior. It has two circuit diagrams variants of the 1081, mono and stereo versions. It doesn't include a diagram for the Philips CM8500 or CM8501, they look like the 1081 but they are slightly different.
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Rapid, clear well done as all the scheme I downloaded from this site. Great job very functional and very useful
5
6
7
8
Step 5
A
IC8201
Is SPDIF signal coming? (be different with Function)
Check the DVD/CD (pin 7).
Yes
No
Check the other assemblies. (AF Assy or DVDM Assy)
B
Check the OPTICAL IN (pin 48).
Yes
No
Check the OPTICAL IN line between VIDEO ASSY and DSP ASSY. (Optical Input Jack or Connectors)
Is MCKO1 (pin 23) outputting it?
Yes
No
Is input signal of PDN (pin 31) "H"?
Yes
No
Check the other assemblies. (periphery of microcomputer on the AF Assy)
C
Do not oscillate of XTO (pin 29)?
Yes
No
Note: X8201 oscillates only in analog input.
Is output signal of INT0 (pin 36) "H"?
Yes
No
Replace IC8201.
Is LRCK (pin 24) outputting it?
Yes
No
Replace IC8201.
D
No
Is SDTO (pin 25) outputting it?
Yes
Replace IC8201.
Is BCK (pin 26) outputting it?
Yes
No
Replace IC8201.
IC8502-pin2
E
Is 20MHz clock outputting it?
Yes
No
Replace IC8502 or X8501.
End
F
XV-DVR9H
5 6 7 8
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