Re: WG 6100 Right Half Deflection Collapse

Swap your X & Y chassis deflection transistors, this will tell you if
it's the deflection board or the chassis transistors

On 7/30/06, Mark Hooks <markhooks@earthlink.net> wrote:
>
> Thanks! I already eliminated the game PCB as the issue by trying the monitor
> on both my Tempest and Space Duel. The right half is missing with both of
> them. I'll keep probing around. I looked for open transistors too, but maybe
> I missed one.
>
> Mark
>
> ----- Original Message -----
> From: Jess Askey
> To: vectorlist@vectorlist.org
> Sent: Sunday, July 30, 2006 8:03 PM
> Subject: Re: VECTOR: WG 6100 Right Half Deflection Collapse
>
> I would switch the X and Y inputs between the game PCB and the monitor to
> see if the collapse changes to the other axis... if so, then the issue is on
> the game PCB (unlikely). If the collapse is on the same axis, the issue is
> on the monitor.
>
> A transistor may be open (and most likely is if you aren't blowing fuses) so
> it won't show a short if that was what you were looking for with the meter.
> Pull the deflection PCB, make sure all the molex connectors have goos solder
> joints, I would suck and re-solder all of them anyway as they all have
> problems eventually. See if you still have an issue... if so, report back.
> :-)
>
> Mark Hooks wrote:
> Folks I'm making progress on bringing a dead WG 6100 back to life, but am
> stuck. The right half of the screen is collapsed into a vertical line. The
> left half is fine. I checked all of the chassis mount and deflection board
> transistors with a multimeter and they seem fine. Any pointers would be
> appreciated.
>
> Mark Hooks
>
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Received on Mon Jul 31 13:23:39 2006