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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!
Alignment and Adjustments
1-1-2 AM(MW),LW,SW1,SW2 Adjustment
Circuit to be Adjusted Measuring Instrument & Step Arrangement S.S.G Radio dial Adjusting Frequency Setting Point Adjust for
1 OSC Connect AM signal generator to loop antenna,VTVM AND oscilloscope (Fig 1-3)
522KHz
522KHz
MW OSC
Adjust for (IR117)
1.0V±0.1V at the low.
2
1611KHz
1611KHz
MW OSC
Check for 7.0V±1.0V at the high.
(IR117)
AM (MW) RF � 1 594KHz 594KHz MW ANT Maximum out
INTER FREQ
� Fig 1-3
1 1 2
455KHz
522KHz 146KHz 290KHz
TL2 LW OSC LW OSC LW ANT SW1 OSC SW1 ANT SW2 OSC SW2 ANT
Maximum out Adjust for
2.0V±0.1V at the low.
OSC LW RF OSC SW1 RF OSC SW2 RF
Check for 7.0V±1.0V at the high.
1 Fig 1-3 1 2 1 Fig 1-3 1 2 1
150KHz
150KHz 2.3MHz 7.3MHz
Maximum out Adjust for
1.0V±0.1V at the low.
Check for 8.5V±1.0V at the high.
3.5MHz
3.5MHz 9.5MHz 26.1MHz
Maximum out Adjust for
1.5V±0.1V at the low.
Check for 8.0V±1.0V at the high.
10MHz
10MHz
Maximum out
1-2
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