Re: Vector - WG6100 quick fixes

It has been a while, but the problem that introduced me to fixing vector
monitors (WG6100) was I lost HV.

Found and replaced bad 13V 1W Zener (ZD901 I think) and possibly a
transistor (can't recall for sure but I think so).... game plays fine
for about a minute... then *bam* big (exploded vectors ... drop in
screen voltage no doubt)... then *poof* no picture.

Well, I fixed this twice with the same results each time....

Turned out that the transistor on the outside of the hv cage (the one
with the plug connector on it) would pull too much current when it
warmed up, taking out the 13V 1W Zener and sometimes a transistor with
it.

Figured that one out by studying the schematic and asking myself what
could draw too much current through the zener.... as I recall I didn't
have too much to choose from... and I chose right on the first time / guess.

-- Curt

>From: "Andy Welburn" <andy@andys-arcade.com>
>
>ok, to get in the spirit of things...
>
>I fixed a 6100 yesterday... it had super shaky vectors, i recapped the hv
>cage, solved that. then there was no red vectors.. neck board transistor for
>the red gun was bad obviously :)
>
>maybe not all that interesting or useful hehe.
>
>Andy Welburn
>www.andys-arcade.com
>
>
>> Art,
>>
>> I always like to see this type of information posted. This is helpful to
>> all. I'm certain others appreciate it as well.
>> JB
>
>
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Curtis Wilbar
Hawk Mountain Networks
vector@hawkmountain.net

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Received on Sat Aug 16 11:46:43 2003