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Old 16th February 2007, 09:03 AM   #1
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Default kenwood basic m2 amp-circuits

Hallo,

I'm a new member. I'm looking for a circuit or schematic plan for the kenwood basic c2 preamp and kenwood basic m2 amp. A few weeks ago i bought a c2 and its sound is very good. Now i'm looking for a m2, but all i've found was defect amps. I suppose the powercircuits dat 1521 and/or dat 1018 have finished there life...
I've red that there is a posibility to bypass the TA2031 and than the amp maybe runs fine ... only that it runs real hot! Maybe a additional heatsink like a heatpipe for example will solve this problem??? I will try....

Can anyone explain me this bypassing? Then i can test my m2 by that. And i'm looking for a test to check the dat 1521 and dat 1018 if this piece is ok or not....

sorry for my bad english, mybe anyone can help me greenhorn ;-))

Thanks by now...
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Old 17th February 2007, 08:53 PM   #2
Netlist is offline Netlist  Belgium
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I'm not able to help you but please don't replicate your post if no one seems to answer.
Anyway, thread is back on top now, cross your fingers.

/Hugo
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Old 17th February 2007, 09:21 PM   #3
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i'sorry about that , but i'm a new member and i've a lot to learn abaut this forum.... and to work whith it...

excuse me please ;-))
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Old 17th February 2007, 09:23 PM   #4
Netlist is offline Netlist  Belgium
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But of course.
Welcome by the way.

/Hugo
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Old 17th February 2007, 10:18 PM   #5
tvi is offline tvi  Australia
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I have the service manuals for the M1A and M2A

I don't think you can bybass the TA2031, see attached

Regards
James
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Old 19th February 2007, 09:49 AM   #6
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Default solution from other Thread....?

Hi,

i red this bypassing-method in this forum in a thread made by the members SVI2004 and K-amps. But unfortunatly i'm a new member und so i'm under moderation. It's not allowed to me to send e-mails direct to members.... :-(.
So I've to wait.....
Maybe is my question in the wrong category placed?
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Old 7th May 2011, 03:09 PM   #7
Muff is offline Muff  Australia
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You can buy the DAT1521N and DAT1521P devices, along with the Trio Kenwood TA2031 from here Buy Electronic components,Ic,Module,Transistor at UTSOURCE
$5.00AU for the DAT devices and $10.00AU for the TA2031.
As it happens I repaired an M2 recently.
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Old 4th January 2012, 10:01 AM   #8
Sathard is offline Sathard  France
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Hi,

I have the M2A repair manual.
If you are interested, you can contact me by PM and I'll send you.

I just make a submition for the DAT 1018N/P, DAT 1521N/P and TA2031 for my two M2A, on the site below (Buy Electronic components,Ic,Module,Transistor at UTSOURCE).
The current price is 6$ each component ...
Thanks to Muff for this URL.

I hope this site is serious, but it seems !

I'm also interested in advices to repair a M2A, but there is a very very long time that I did not make any more electronics !
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