Re: Tron Monitor - Some Life

Yup, I did and it was.

How is everything going? How is your wife doing?

----- Original Message -----
From: "Cylon B" <cylon_b@hotmail.com>
To: <rasterlist@vectorlist.org>
Sent: Thursday, March 17, 2005 7:44 AM
Subject: RE: RASTER: Tron Monitor - Some Life

> James,
>
> Have you replaced the electrolitic capacitors (cap kit) yet ? That should
be
> the first step.
>
> Breno
>
> >From: "James McGovern" <James@retroblast.com>
> >Reply-To: rasterlist@vectorlist.org
> >To: <rasterlist@vectorlist.org>
> >Subject: RASTER: Tron Monitor - Some Life
> >Date: Thu, 17 Mar 2005 00:19:31 -0500
> >
> >A step in the right direction tonight. I resoldered a few of the jumper
> >wires on the 130VDC trace along the front edge of the PCB. I now have a
> >picture of sorts on screen wheras before I had nothing.
> >
> >Current issues are:
> >
> >1. REALLY bad horizontal (vertical for tron) tearing (or is it
bleeding?)
> >,
> >nearly 2 inches long.
> >
> >2. It appears I have three images on screen, or the picture is rolling so
> >much I am getting an animation, picket fence effect and seeing three
> >images.
> >
> >3. Was not quite able to get the image to stabilize vertically (that is
> >really horizontally for Tron, but vertically as the monitor sits now)
> >
> >Anyone have any ideas on any one or more of the three issues? Pics here:
>
>http://forum.arcadecontrols.com/index.php/topic,33450.msg291163.html#msg291
163
> >
> >
> >
> >
> >----- Original Message -----
> >From: "James McGovern" <James@RetroBlast.com>
> >To: <rasterlist@vectorlist.org>
> >Sent: Wednesday, March 16, 2005 8:49 PM
> >Subject: Re: RASTER: No picture on k4900 - dumb VOM question
> >
> >
> > > So next steps and results are:
> > >
> > > - Examine the jumper wire J33 as well as other jumper wires on the
> >130VDC
> > > trace. (Done and look visually intact and ok)
> > >
> > > - Inspect chassis for bad solders and or hairline cracks in pcb, (done
> >and
> > > looks ok, have not resoldered anything yet. )
> > >
> > > Measure voltage at the metal case of Q352, the transistor on the side
of
> >the
> > > chassis closest to the HV unit.
> > >
> > > Question: I am a bit confused by the statement, "Measure the voltage
at
> >the
> > > metal case." Does this mean that my red lead will go on the metal
> >housing
> > > on the outside of the chassis with the COM lead to the chassis frame?
> > >
> > > Is it that white compound that unsulates the frame from the metal
case?
> > >
> > > In the pic below you can see the transistor, Q352 in the yellow box to
> >the
> > > right.
> > >
> > >
> > > pic is here:
> > >
>
>http://forum.arcadecontrols.com/index.php/topic,33450.msg290847.html#msg290
847
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "James McGovern" <James@RetroBlast.com>
> > > To: <rasterlist@vectorlist.org>
> > > Sent: Monday, March 14, 2005 1:45 PM
> > > Subject: RASTER: No picture on k4900 - dumb VOM question
> > >
> > >
> > > > I had a little time to look through the k4900 manual and flowchart.
> >One
> > > of
> > > > the first items to test according to the flowchart is:
> > > >
> > > > "Check the regulated power supply at resistor r503...terminal
closest
> >to
> > > the
> > > > fuse should read +130vdc"
> > > >
> > > > So my question is, I am assuming that I place the red test lead on
my
> >VOM
> > > on
> > > > the r503 terminal closest to the fuse as directed...where though do
I
> > > place
> > > > the common lead?
> > > >
> > > > You can see the flowchart and the manual here (
> > > > http://home.earthlink.net/~rescuetron/ ) in today's post or in the
> > > > "Pictures and Documents" section in the sidebar.
> > > >
> > >
> > >
>
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> > > chris@westnet.com
> > > >
> > > >
> > >
> > >
>
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> > >
> > >
> >
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Received on Thu Mar 17 08:36:05 2005