Re: 6101 Def Board Prob

Hmmm...

Mark is correct on this one. When installing LV2000 kits in several
WG6100's I have always unplugged the transistors to check for the proper
voltages on the LV2000 and have NEVER had any problems at all.

----- Original Message -----
From: John Robertson <jrr@flippers.com>
To: <vectorlist@synthcom.com>
Sent: Tuesday, September 19, 2000 1:39 PM
Subject: RE: VECTOR: 6101 Def Board Prob

> If you run an XY monitor in the cabinet with the output transistors
> unplugged you will destroy the driver transistors and probably some
> resistors and other bits will blow up as well. BUT you can run an XY
> monitor with the inputs shorted to ground and the YOKE ONLY unplugged with
> no risk to the electronics, or far less risk as there is no load for them
> to try and sink vast amounts of current (whatever the power supply can
> deliver without blowing up itself), which is also the reason to install
the
> LV2000 kit!
>
> John :-#)#
>
> At 08:53 AM 9/19/00, Jenison Mark-QA3578 wrote:
> >John,
> >
> > > NEVER NEVER NEVER run an XY monitor with the deflection
> > > transistors out of
> > > circuit unless you really like letting the smoke out of numerous
> > > components.
> >
> >I guess you need to clarify this statement for me a bit more; I'm not
sure
> >what you mean by this.
> >
> >It is safe to disconnect everything from the deflection board and run it
by
> >itself (as shown in the installation instructions for the LV2000
> >http://www.diac.com/~jeffh/lv2000/). I don't know how much help it is
for
> >debugging it this way, but it might be helpful, and sure is a lot easier
to
> >work on this way.
> >
> >--
> >Mark Jenison
>
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>
> John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
> Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games)
> http://www.flippers.com
> "Old pinballers never die, they just flip out."
>
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Received on Tue Sep 19 15:39:26 2000