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McIntosh MR 74

J

Junknewbian

Well-Known Member
What is wrong with my McIntosh MR 74 tuner? Sometimes it has trouble tuning in to any stations on the left hand of the dial. Sometimes it has no trouble. On the center and right hand side of the dial, it always works very well. Does this sound like an alignment is needed, or is it an antenna issue? I live where there is a mountain between my house and town, where the broadcasts originate.
 
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Does the dial pointer move easily all across the dial? I have a vague recollection that some McIntosh tuners have two tuning cords. Sorry you haven't gotten more replies here; you might want to re-post in the McIntosh forum. Several McIntosh repair experts hang out there. I doubt it is an antenna issue. You might want to mention your location so people can suggest possible repair venues. Good luck!
 
This happened to a sansui tu-517 tuner I have and it was suggested I check and clean the fins in the tuning vari-caps. Dust can accumilate in the fins and so in moving the dial, thus bringing the fins to mesh, problems can occur if there is dust or debris in the fins. Do not use a liquid spray, try blowing air with a super fine brush.... anyways it worked for my problem which sounds similar to yours.
 
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If you have an antenna booster, select wide band tuning instead of narrow band. That was the problem in my case.
 
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