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Vintage Synth Repair

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Message

RE: [vintagesynthrepair] a new member...

2003-06-08 by Keith Niver

Well, a good group site is Wurlitzer_Elec_Piano@yahoogroups.com and the
archives for that group. I would check the wiring for the aux and headphone
jacks and make sure nothing is broken or shorted and tighten them. It sounds
like you may have a power supply problem and/or amp problem. I would
probably suggest waiting until y ou get the manual as it has a lot of
troubleshooting hints in it. Where abouts do you live? Might pay to locate a
good local tech to help you troubleshoot it.

Let me know if I can help you further.

Keith Niver

-----Original Message-----
From: troy kimura [mailto:so_ber@yahoo.com] 
Sent: Sunday, June 08, 2003 2:27 PM
To: vintagesynthrepair@yahoogroups.com
Subject: RE: [vintagesynthrepair] a new member...


hi again Keith, i did what you said but it seemed
pretty clean in there and none of the reeds were
touching the pick up bar.  i tried connecting the aux
to the amp though and i found something that might be
the problem.  when i connect the aux out i get no
sound from the amp, regardless of the little
adjustment knob.  when i connect the phones plug to
the amp i get a little something--also which is not
affected by the adj. knob.  the knob is not bolted
down and looks the wiring looks a little questionable,
though i'm not sure how its supposed to look.  coule
this be the source of my frustrations?  as for
specific keys sounding, most of them crackle or sound
a little when i bang on them hard.  and as for the
plug, i reconnected an IEC connection, and use a good
grounded cord.  does this make any more sense?? 
thanks again for your help, and i will look into
getting the manual for sure.  do you happen to know
any good wurlitzer websites off hand?  if not, no
sweat!  thanks again, troy


--- Keith Niver <kaniver@...> wrote:
> OK
> First thing, I would order a complete service manual
> from Morelock's Organ
> Service in Rienzi, Miss. I don't like the fact that
> the ground is cut off
> the plug. That could possibly induce some hum. The
> pick=up bar is the long
> metal plate that surrounds the reeds. The preamp
> board is a small board
> mounted on the top middle of the pick-up bar. Remove
> the long metal shield
> and you should see it. With your description, it
> sounds like you have some
> debris that lodged between a reed and the pick-up
> bar, essentially shorting
> it out. Take a vacuum and carefully vacuum around
> all the reeds. Do NOT use
> compressed air. Carefully lift a group of dampers
> and vacuum and inspect the
> reeds and clearance. Take a business card and run it
> along both sides of all
> the reeds for clearance. Make sure the piano is
> unplugged when you do all
> this. Then recheck the piano and let me know what
> happens. Do you know what
> notes make the loud snapping sound. That may give
> you a clue which reeds are
> touching the pick-up bar.
> 
> Keith
> 


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