Re: Another 19v2000 ?

There is no chatter :(

I was thinking it would be in the spot killer out Z amp sesction, but have
yet to find anything.. I'll keep digging..

And yes it is an Asteroids boards. :)

Kevin

On Fri, Jan 8, 2010 at 4:45 AM, COLIN DAVIES <colin.w.davies@btopenworld.com
> wrote:

> You say you have no deflection, but can you hear the Yoke Chattering ? (Odd
> that the spot killer is off) - If so I'd say check the spot killer output ,
> Z amp section and brighness/contrast..
>
> Are you using an asteroids board to test it ? - I've found the beam spends
> a bit of time in the middle of the screen when not drawing, giving me dots
> in the middle on poor screens you see....
> Cheers, Colin
>
> --- On *Thu, 7/1/10, Kevin Moore <talon.k@gmail.com>* wrote:
>
>
> From: Kevin Moore <talon.k@gmail.com>
> Subject: VECTOR: Another 19v2000 ?
> To: vectorlist@vectorlist.org
> Date: Thursday, 7 January, 2010, 23:54
>
>
> Ok, I've got a 19v2000 that out of the blue just started producing a single
> dot middle of the screen.
>
> Spot Killer LED is off, (yes it works)
>
> But getting no X Y deflection.
>
> I've read somewhere that cause was probably q503, and 504. Checked and
> replaced both with good known. No help.
>
> Can swap with another deflection board, and it works fine. So game board
> doesn't seem to be the problem.
>
> Kevin
>
>

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Received on Fri Jan 8 08:42:59 2010