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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.
DESCRIPTION OF LSI
LSI(IXA128DR) The I/O signals of the LSI(IXA128DR) are detailed in the following table.
Pin No. 11
Signal D1
I/O OUT
Description Magnetron high-voltage circuit driving signal. To turn on and off the cook relay (RY1). The signal holds "L" level during microwave cooking and "H" level while not cooking. In other cooking modes (70%, 50%, 30%, 10%) the signal turns to "H" level and "L" level in repetition according to the power level.
ON/OFF time ratio in Micro cooking (a. 32second time base) MICRO COOK 100% 70% 50% 30% 10% ON 32sec. 24sec. 18sec. 12sec. 6sec. OFF 0sec. 8sec. 14sec. 20sec. 26sec.
12 13
D0 INT
OUT IN
Terminal not used. Signal to synchronize LSI with commercial power source frequency. This is basic timing for all real time processing of LSI.
H : 5V
L : 0V 20 msec
14-16 17-20
P12-P10 P03-P00
OUT IN
Terminal not used. Terminal to change the Models and functions.
R-205M - 10
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