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As Always you can find here manuals even of difficult TV scheme which are scan in almost perfect way.clear and fast!!!!!
Great work thanks!
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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.
- Case 1 TV set : Watching & receiving the normal CH. VCR set : Power off, Input source is turner. TV set signal comes out to the decoder. - Case 2 TV set : Watching the C+ CH which is received by itself. VCR set : Power off, Input source is tuner, Discramble the C+ and supply it to the TV set. - Case 3 TV set : Watching & receiving the normal CH. VCR set : Power off, Input source is AV. TV set signal comes out to the decoder. - Case 4 TV set : Watching the C+ CH received on itself. VCR set : Power off, Input source is AV. Discramble the C+ and supply it to the TV set. - Case 5 TV set : Watching & receiving the normal CH. VCR set : Play mode. forced TV mode. TV set signal comes out to the decoder. - Case 6 TV set : Watching the C+ CH received on itself. VCR set : Play mode, forced TV mode. Discramble the C+ and supply it to the TV set. - Case 7 TV set : Watching the picture which is played on VCR set. VCR set : Play, auto VCR mode, TV set signal comes out to the decoder. - Case 8 TV set : Watching & receiving the normal CH. VCR set : EE, TV mode. Input source is tuner. TV set signal comes out to the decoder. - Case 9 TV set : Watching the C+ CH received on itself. VCR set : EE, TV mode. Input source is tuner. Discramble the C+ and supply it to the TV set. - Case 10 TV set : Watching & receiving the normal CH. VCR set : TV mode. No C+ Ch memory. Recording another normal CH received on the VCR set. TV set signal comes out to the decoder. - Case 11 TV set : Watching the C+ CH received on itself. VCR set : TV mode. No C+ CH memory. Recording another normal CH received on the VCR set. Discramble the C+ and supply it to the TV set. - Case 12 TV set : Watching & receiving the normal CH. VCR set : TV mode. C+ CH memory. Recording another normal CH received on the VCR set. VCR tuner signal comes out to the decoder because of C+ channel memory. - Case 13 TV set : Watching & receiving the normal CH. VCR set : TV mode. C+ CH memory. Recording C+ CH received on the VCR set. VCR tuner signal is discrambled and supplied to the REC path. In this case, the C+ received on TV cannot be discrambled.
CIRCUIT
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