Home Tape Trail

Reel to reel, cassette and other analogue tape formats.

up in smoke history

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

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