Help diagnose Pianocorder problem -- Pianocorder Forum

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Subject: Help diagnose Pianocorder problem

Author:
Dave Snowdy

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Date Posted: 20:44:59 01/04/03 Sat

I'm starting to look into a pianocorder system my girlfriend has. It's a model 100 on a Yamaha U7. She's got a repair manual with trouble shooting procedures. It at least let me trace the wires with some knowledge.

I knew that it sort of skipped some notes. I always thought it was the tape player (might be, a little bit. Most of the tapes also have the foam piece slipped out of place).

I finally sat down and watched it play. No notes below E near Middle C would play.

There's power to the bass section (as far as I can tell with a meter). I moved the control cables from the bass section to the mid section and I got playback (crazy as it was, just to see if there were signals there). So, as far as I can tell, it's at least a problem with the bass section itself. I think E-flat and a few others are in the mid section, though. There seem to be no stuck keys.

Any suggestions of simple things I might check?

Thanks

Dave Snowdy

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Replies:

Subject	Author	Date
Re: Help diagnose Pianocorder problem	Tom Lear	21:39:21 01/04/03 Sat


Re: Help diagnose Pianocorder problem	Roger Dalziel	10:03:53 01/06/03 Mon