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Thank You for fast delivery for the sheme.
Thanks & best regards Franz
again you did a very good job. It was fast too. Photocopy are really readable and clear
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.
Rapid, clear well done as all the scheme I downloaded from this site. Great job very functional and very useful
Great copy of the manual, has all information required for servicing,
6-2 No Video
Power indicator is green
Does the clock pulse appear at output of FT110, FT111, FT112?
Does the H-sync pulse appear at Pin 94 of IC101?
Does the pulse appear at Pin 10 of IC105 or Pin 1 of IC104? Yes
Yes Yes Replace IC101.
Replace IC106. Replace IC105 (seperate sync) or IC104 (SOG).
Does the sync pulses appear at Pins 13 and 14 of IC110?
Does the sync pulses appear at Pins 2 and 3 of IC110? Yes
Check IC401 and IC101.
Replace IC110 or check its related circuit.
Do the sync pulses appear at Pins 22, 23, 25 and 26 of IC310?
Do the sync pulses appear at Pins 2, 3, 54, 55 and 56 of IC301? Yes
Replace IC301 or check its related circuit.
Replace IC305 or check its related circuit. No Replace IC310 and IC311 or check its related circuits.
Do the waveforms appear at Pins 5 and 20 of CN301? Yes Replace LCD Panel