Yamaha DT-1 Air Check Timer

jnfritz

New Member
I recently obtained a Yamaha DT-1 Air Check Timer. Nice looking piece of gear that is a perfect match for the mid to late 1970s Natural Sound gear.

The problem is that the Timer runs fast gaining several seconds every few minutes. I checked to be sure that the timer is set on the 60 Hz position. (It is.) This appears to be a heat related problem. The timer keeps time if the cover is removed and doesn't if the cover is in place.

I'd really like to repair the timer, the problem is that there is precious little information about the DT-1 on the Net. Even Yamaha doesn't have any information on the DT-1. (They were nice enough to check their US and Japan databases, but came up empty.) A schematic or a service manual would be of great help in sorting this out.

If you have either, I love to talk with you about obtaining a copy.

You can email me at: jnfritz07@yahoo.com

Thanks!
 
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