kenwood basic m2 amp-circuits

collumbo · 16th February 2007, 08:03 AM

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...

Netlist · 17th February 2007, 07:53 PM

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

collumbo · 17th February 2007, 08:21 PM

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 ;-))

Netlist · 17th February 2007, 08:23 PM

But of course.
Welcome by the way.

/Hugo

tvi · 17th February 2007, 09:18 PM

I have the service manuals for the M1A and M2A

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

Regards
James

collumbo · 19th February 2007, 08:49 AM

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?

Muff · 7th May 2011, 02:09 PM

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.

Sathard · 4th January 2012, 09:01 AM

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 !

16th February 2007, 08:03 AM	#1
collumbo diyAudio Member Join Date: Feb 2007 Location: neustadt	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...

19th February 2007, 08:49 AM	#6
collumbo diyAudio Member Join Date: Feb 2007 Location: neustadt	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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17th February 2007, 07:53 PM	#2
Netlist diyAudio Moderator Join Date: Jan 2003	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

17th February 2007, 08:21 PM	#3
collumbo diyAudio Member Join Date: Feb 2007 Location: neustadt	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 ;-))

17th February 2007, 08:23 PM	#4
Netlist diyAudio Moderator Join Date: Jan 2003	But of course. Welcome by the way. /Hugo

7th May 2011, 02:09 PM	#7
Muff diyAudio Member Join Date: Mar 2008	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.

4th January 2012, 09:01 AM	#8
Sathard diyAudio Member Join Date: Jan 2012 Location: In the center ...	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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