Today's Puzzler--Pianomation problem

[Richard Strang]

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Volume button on the remote stuck? It gets used the most.
  -----Original Message-----
  From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On
Behalf Of Piannaman@aol.com
  Sent: Sunday, August 03, 2003 11:38 PM
  To: pianotech@ptg.org
  Subject: Today's Puzzler--Pianomation problem


  Listees and Listers,

  I don't do too much work on pianos with disc systems in them, but I do
tune them occasionally, because some of the people who install them don't
tune.  Anyway, I get to a customer's house, and she wants me to see if I can
add another speaker to her Pianomation 2000CD+ system so that the
accompanying music will be in stereo.  If I had done my research beforehand,
I would have saved myself a bit of time and grief, because I found out later
that they can't play in stereo--channel 2 is used to drive the player unit.

  I turned the player on, and it wasn't making any sound, so I turned the
volume up a little.  Unfortunately, the volume went all the way up to
40--it's maximum output.  Efforts with both the remote and the buttons on
the unit itself proved futile.  As soon as I released whichever button I was
pushing, it would go back up to 40.  I could get no other display.

  I called my friend who installs these to see if he could help.  We ran
through a few simple tests that didn't work, including turning it off and
unplugging it to let the capacitors drain, then turning it back on.  I
looked to make sure the window was lined up correctly so that the unit could
read the remote signal.

  I finally  figured it out, and it was painfully simple.  Can anyone figure
this out?

  Dave Stahl

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