Re: Re: G07-cbo haziness

From: Dustin Holden <discuspro_at_yahoo.com>
Date: Sun Jan 13 2008 - 02:05:42 EST

Well, I must have switched the wrong wires. I now
realize there are two red wires that run to the
neckboard. When I powered on the monitor there was
instant smoking on the neckboard. Neckboard resistors
R104 and R107 melted. So, I changed out the resistors
and powered up the monitor. Well nothing came up on
the screen as it normally did previous to the wire
switch. There is the normal buzzing and there is
glowing at the tube neck as it was when it was showing
picture. B+ is at 120V. I tried to adjust the
brightness but when I make the screen brighter with
the screen adjust dial below the focus dial all I see
is a whitish screen with zig zag lines on it. What
did I just do?

It sucks to be a beginner.

-Dustin

>
>
> -----Original Message-----
> From: Dustin Holden <discuspro@yahoo.com>
> To: rasterlist@vectorlist.org
> Date: Sat, 12 Jan 2008 00:40:40 -0800 (PST)
> Subject: RASTER: G07-cbo haziness
>
> >
> > Having trouble trying to get the color right on
> my
> > g07. I changed out the three video output
> transistors
> > on the neck board X101, X102 & X103 because I
> cannot
> > seem to remove a blue intense haziness on the
> whole
> > screen. Cap kit's already been done. Not a tube
> > problem because I tried on other tubes. Not a
> game
> > problem. I can see my games running in the
> > background. I can see red and most other colors
> but
> > they are all drowned out by blue. Where there
> should
> > be complete black it is blue. The monitor was
> shorted
> > somehow previous to my owning it so it wasn't
> working.
> > I replaced the power regulator transistor X02 and
> got
> > the monitor up and running.
> >
>
> it's probably the neckboard,
>
> before you do anything else swap the blue & red
> drive wires going into the neckboard,
> if it's still all blue you know it's the neckboard.
>
> next lift & meter all resistors & capacitors in the
> blue circuit on the neckboard.
>
>
>
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Received on Sun Jan 13 02:05:44 2008

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