electrical question (OT)

[Keith Roberts]

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You have to take those panels off to replace the ballast so only half =
the work will be wasted. Or cut the wires of the one you think is bad =
and do a continuity test. I would guess the one that's cold is bad =
because they produce a lot of heat. Sometimes they get so hot they melt =
and the insulation runs out of the case. Then they go cold. I think they =
stopped using PCB's a few years ago but that's the sort of 'stuff' you =
might see oozed and hardened.
Keith R
  ----- Original Message -----=20
  From: Wimblees@AOL.COM=20
  To: pianotech@ptg.org=20
  Sent: Sunday, March 24, 2002 3:40 PM
  Subject: Re: electrical question (OT)


  In a message dated 3/24/02 11:33:02 PM !!!First Boot!!!, =
cmpiano@attbi.com writes:=20



    Confirm this by following the wires from the 2 lamps that don't work =
to the ballast that is hot?  Bingo! two witnesses.  Guilty as charged.  =
Arrange for firing squad.  =20

    Carl Meyer  Assoc. PTG=20




  I looked at that possibility, but that required more destructiveness, =
i.e., taking more panels off. I was hoping to avoid that.=20

  But thanks for the help.=20

  Wim=20

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