RE: G05: no heater glow?!?

G'day folks,

Wasn't someone on the list selling cocktail B/W tubes with green phosphers
in the last year? I picked one up for my burnt mini BZ, but I haven't
installed it to find out if it really is a perfect fit.

                      Steve Ozdemir
                      sozdemir@att.com

ps - I doubt the green phosphers would work well with Asteroids.

-----Original Message-----
From: ddhumphr [mailto:david@bbn.com]
Sent: Wednesday, July 14, 1999 9:31 AM
To: vectorlist@lists.cc.utexas.edu
Subject: Re: G05: no heater glow?!?

Thanks John,

That, unfortunately, is the answer I wasn't looking for. The heater is
open.
Anyone have a nice cocktail B/W tube?

Ace

John Robertson wrote:

> The resistance across the filament should be around 20 or so ohms. Not
> sure, haven't measured for a while, but won't be over 100, that's for
sure!
>
> John :-#)#
>
> At 11:16 AM 7/14/99 -0400, ddhumphr wrote:
> >John Robertson wrote:
> >
> > > If the heater is open you should see infinite resistance, not megohms.
> > > Check the heater resistor, it might be open. Do you get 6.3V across
the
> > > heater pins at the tube? Any chance that the tube socket has cracked
traces
> > > right at the trace to socket solder junction (Like, resolder these
dude!)
> >
> >Can't hurt. I always get snagged by assumptions. ...makes sense to go
> >right to
> >the pins at the tube and see if they're getting the AC. Good thoughts
> >John. Any
> >idea what the resistance might be across the tube's heater?
> >
> >
> >Ace
>
> 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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