Service manual for Kenwood KAC-1023 - diyAudio
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Old 12th September 2009, 08:14 AM   #1
sdoom is offline sdoom  Germany
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Join Date: Mar 2004
Location: Heidelberg
Default Service manual for Kenwood KAC-1023

Does anyone have a KAC-1023 Service manual ?
Thx ,

sdoom
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Old 25th September 2009, 02:54 PM   #2
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Join Date: Sep 2009
Red face Maual

Vielleich hier:
http://www.eserviceinfo.com/index.php

dort nach KAC suchen, oder Kenwood
der DL-Linl ist etwas versteckt, aber die Seite ist gut bestückt
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Old 25th September 2009, 11:30 PM   #3
ppia600 is offline ppia600  United States
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Join Date: Jun 2007
Location: Louis y ana
Very nice amp, hope you get it running well
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Don't worry... you can always turn the gain down!
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Old 27th September 2009, 10:55 AM   #4
sdoom is offline sdoom  Germany
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Join Date: Mar 2004
Location: Heidelberg
Yes got the baby running again

defective parts:

-flat cable (connecting the small low pass filter sub board to the main board)
-both protection relays fried internally
- 3 small thinn lines on the RCA / preamp board broken
-4 large DC/DC capacitors out off tolerance (~4300µF instead of 5600µF)
- 2 small capacitors leaking (could smell the bad stuff during resoldering)
and as always a large number of "cold" solder joints


Way of fixing.

- Resoldered all boards (power parts were resoldered using "silver" tin-solder (has a higher solder temp)
- checked major caps with a cap. meter
- followed the input signal (sine generator) through all sections finding the broken curcuit lines and the faulty relays and that damn flat cable.

I guess the amp gets too hot inside for some parts although the amp has two small fans.
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Old 28th September 2009, 12:27 AM   #5
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Join Date: Mar 2005
The best stereo in my opinion
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