Re: Testing a G-08 color vector monitor

From: John Robertson <jrr_at_flippers.com>
Date: Tue Oct 27 1998 - 19:36:41 EST

Hi Mark!

This sounds like a bad picture tube. You can use another one, and
transplant the neck plastic plug.

John :-#(#

Mark Jenison wrote:
>
> On Oct 26, 9:57am, John Robertson wrote:
> > Subject: Re: Testing a G-08 color vector monitor
> > Hi Mark!
> >
> > Sounds like either a bad picture tube OR you forgot/overlooked to
> > connect the black(usually back, might be green) ground lead from the
> > strap running along the side of the picture tube to the small "G (or
> > GND)" tab on the neck board.
>
> The ground lead from the tube is attached to the neckboard.
>
> > The neons should NOT light up!!!! This is NOT good. Turn it OFF! Find
> > the bad ground connection before turning on again...
> >
> > or it's the tube. Sigh.
>
> I hope not :-(. Isn't it possible that the neon is being lit up because too
> many volts are going to the neck board? Maybe I have a runaway voltage or
> something...
>
> Maybe my description was bad...the spark/arcing is happening in the neck of the
> tube; looks like some heater parts are sparking together (reminds me off a
> spark plug).
>
> I'm not having good luck with tubes lately...I do have a spare Amplifone tube
> laying around though...could I use that if I had to? I assume I'd have to
> replace the neck socket.
>
> ----------------------------------------------------------------------
> Mark Jenison E-mail address: jenison@cig.mot.com
> Cellular Infrastructure Group Motorola--Arlington Heights, IL
> ----------------------------------------------------------------------

-- 
 John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9     
 Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games)  
 mailto:jrr_at_flippers.com, web page http://www.flippers.com      
        "Old pinballers never die, they just flip out."
Received on Tue Oct 27 18:33:08 1998

This archive was generated by hypermail 2.1.8 : Fri Aug 01 2003 - 00:32:42 EDT