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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
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Great copy of the manual, has all information required for servicing,
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I work at an authorized service center and I can tell if a manual is as it should be. This one is. It may be a scan, but a very good one at that. The interesting part for me was the curcuit diagram which was scanned at high quality, making it as good as the original. I will definitely be back as a customer. I need not say this, but I will: the price was the best. Thank you owner-manuals.com .
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really a very good manual even sometimes the quality is no so good as before still very readible and very very useful!
SCU-2156ZRN2
FM ADJUSTMENT
NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize. Modulation M1 : MONO MOD., 400Hz, 30%(22.5kHz Dev.) M2 : MONO MOD., 400Hz, 30%(75kHz Dev.) S1 : STEREO MOD., 1kHz, L or R=30%(20.25+7.5kHz Dev.) S2 : STEREO MOD., 1kHz, L or R=90%(60.75+7.5kHz Dev.) FM SSG Frequency(MHz) Level(dBf) 98.1 M2 65 98.1 M1 98.1 S1 98.1 S1 98.1 M1 98.1 M1 65 38±1 65 27±1 25±1 Displayed
Frequency(MHz)
Center Meter Max. Mute ARC Separation SD LOC.H ATT.
No. 1 1 1 1 1 1
98.1 98.1 98.1 98.1 98.1 98.1
Adjustment Point T51 VR102 VR101 VR103 VR51 VR1
Adjustment Method (Switch Position) Center Meter : 0 mV Meter(2) : A-20dB±1dB mV Meter(2) : Separation 5dB mV Meter(2) : Separation Maximum DC V Meter(1) : Approx. 5V (SEEK ON) DC V Meter(1) : Approx. 5V (LOC.H ON, SEEK ON)
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