McIntosh 7270 Service

wookie1976 · 21st February 2009, 12:45 AM

I recently acquired a McIntosh 7270 from a friend. Although the price was right (free), I have to figure out what is wrong with it as it is currently broken. As an engineer, I have some experience with electronics, and would like to attempt to fix it myself. The only problem is that I need the service manual to reference. Anyone have a copy that I could use? If you need it, my email is joe at roeschen.com

I have tried Berners McIntosh website, but the link for this amp is locked with a user name and password. I have emailed him, but have not heard anything back.

If anyone has any experience and is willing to help me troubleshoot this amp, I would appreciate it. I would like to replace the older parts while I am at it to restore the audio quality, so any feedback on this would also be helpful.

Once I get my hands into it, Ill post more diagnostic info here when I have it.

Thanks for your time!

Joe

djk · 21st February 2009, 11:50 AM

Call McIntosh with the model and serial number, they have never charged me for a service manual.

wookie1976 · 21st February 2009, 05:44 PM

Thanks, that's a good idea. Ill give them a call on Monday. I figured they would charge me a fortune for one.

Do you have any experience with this amp? Now that this thing is over 20 yrs old, I would love to change out any of the components that typically age (like caps) so I can restore the sound quality. Any suggestions?

21st February 2009, 12:45 AM	#1
wookie1976 diyAudio Member Join Date: Jan 2008	McIntosh 7270 Service I recently acquired a McIntosh 7270 from a friend. Although the price was right (free), I have to figure out what is wrong with it as it is currently broken. As an engineer, I have some experience with electronics, and would like to attempt to fix it myself. The only problem is that I need the service manual to reference. Anyone have a copy that I could use? If you need it, my email is joe at roeschen.com I have tried Berners McIntosh website, but the link for this amp is locked with a user name and password. I have emailed him, but have not heard anything back. If anyone has any experience and is willing to help me troubleshoot this amp, I would appreciate it. I would like to replace the older parts while I am at it to restore the audio quality, so any feedback on this would also be helpful. Once I get my hands into it, Ill post more diagnostic info here when I have it. Thanks for your time! Joe

21st February 2009, 11:50 AM	#2
djk diyAudio Member Join Date: Feb 2001 Location: USA	Call McIntosh with the model and serial number, they have never charged me for a service manual. __________________ Candidates for the Darwin Award should not read this author.

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21st February 2009, 05:44 PM	#3
wookie1976 diyAudio Member Join Date: Jan 2008	Thanks, that's a good idea. Ill give them a call on Monday. I figured they would charge me a fortune for one. Do you have any experience with this amp? Now that this thing is over 20 yrs old, I would love to change out any of the components that typically age (like caps) so I can restore the sound quality. Any suggestions?

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