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Technics RSAZ7 Speed fluctuations
Technics RSAZ7 Speed fluctuations
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Old 9th February 2018, 07:03 PM   #1
ssi is offline ssi  United Kingdom
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Join Date: May 2017
Default Technics RSAZ7 Speed fluctuations

Hi All

I have one of these decks which was given to me. It has been in a loft for the last 10 years. Surprisingly it works really well. Only problem is there is a noticeable speed variation on say piano pieces. Looks like it could be the drive belt for the capstan which may have aged. Ordered a spare belt but looked at the service manual and opened the case. It looks really complicated to dismantle.

Any step by step instructions anyone?!
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Old 9th February 2018, 07:18 PM   #2
rayma is offline rayma  United States
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Join Date: Apr 2011
Quote:
Originally Posted by ssi View Post
Only problem is there is a noticeable speed variation on say piano pieces. Looks like it could be
\the drive belt for the capstan which may have aged.
See p. 18 here. Technics RS-AZ7 - Manual - Stereo Cassette Deck - HiFi Engine
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Old 10th February 2018, 11:56 AM   #3
ssi is offline ssi  United Kingdom
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Thanks Reyma. User error! Did not look through manual properly. Best Wishes
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Old 10th February 2018, 12:34 PM   #4
ssi is offline ssi  United Kingdom
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Join Date: May 2017
Used a bit of roller cleaner (usually for the rubber parts of photocopiers and printers). Improved after applying to the belt. Don't want to take it apart until absolutely required. Sound quality is fantastic on playback. Not bothered recording with it. Use Mini Disc for that now!
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