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Tape Trail

up in smoke history

99.17.90.152

In Reply to: RE: you'll know when it happens posted by Inmate51 on July 13, 2015 at 19:20:31

The first to go up in smoke was an A-77-III two-track used by a radio station. I found the cracked 0.47 cap, and replaced it and three others of its type. The machine now works perfectly.
When I ordered the replacement caps, I actually bought eight of them, anticipating the same issue on my A-77-IV four-track. This was a machine I purchased new in 1974. Late last year, this machine also went up in smoke. I replaced the four 0.47 caps and it now works fine.
Now I need to replace eight of the 'time bomb' caps in the A700. These are located on the relay board, spooling motor control, and capstan motor control.
I have the service manual, but the instructions on how to find these boards/locations is not clear.
Can someone who has worked on the A700 steer me in the right direction? I will try to make a few phone calls ..

Edits: 07/15/15

Follow Ups:

RE: up in smoke history - Inmate51 14:05:53 07/15/15 (1)
"I will try to make a few phone calls .."
Finding pro techs in Nashville is easy.
Google "Studer Revox Nashville"

Edits: 07/15/15
- RE: up in smoke history - michael22 18:12:03 07/15/15 (0)
  Finding pro-techs in Nashville is easy. Getting answers for free is not always easy. That's the idea of these groups. Lee Hazen spent many hours sharing his extensive knowledge helping tape enthusiasts solve their problems (see link below). The amateurs in turn sent their unwanted equipment to Lee as payback. Because of his physical condition, Lee, unfortunately, is unable to continue doing this. I personally always share my experiences - limited to the Ampex A series, Tascam 22-4, and Revox A77 - with fellow tape enthusiasts.
  - http://groups.yahoo.com/group/reeltoreel (Open in New Window)

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