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McIntosh 7270 Service
McIntosh 7270 Service
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Old 21st February 2009, 12:45 AM   #1
wookie1976 is offline wookie1976  United States
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Default 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!

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Old 21st February 2009, 11:50 AM   #2
djk is offline djk
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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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Old 21st February 2009, 05:44 PM   #3
wookie1976 is offline wookie1976  United States
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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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