Re: WG K4600 monitor problem

I had a Q*Bert that did the exact same thing.

Tried a lot of things (swapping both the monitor AND gameboards in total
frustration). Turned out to be a bad ground in the harness. *grrrr*

Kurt

> Chris,
> I have a game (Black Tiger) with a G07 that was doing the same thing when I
> got it. I could *almost* get the horizontal to sync up; it would slowly get
> better when I adjusted the Horizontal pot, but then it would start moving
> the other direction. Looked for all the world like an "analog" type
> failure. The adjustment was also very touchy, I could just lightly tap the
> pot and it would alter the H Hold. I fiddled with the monitor for weeks,
> replaced every cap but the big 900, replaced the HOT, pulled and tested
> every resistor and diode, checked the horizontal pot, ... you get the idea.
> It turned out it was the game board. Just a cautionary tale so you don't
> waste a lot of time like I did if in fact it isn't the monitor.
>
> Sean McLachlan
> MIS Manager
> LithoFlexo grafics inc.
> 801.484.8503
>
> -----Original Message-----
> From: owner-rasterlist@vectorlist.org
> [mailto:owner-rasterlist@vectorlist.org]On Behalf Of Christopher X.
> Candreva
> Sent: Saturday, November 08, 2003 10:00 PM
> To: rasterlist@vectorlist.org
> Subject: RASTER: WG K4600 monitor problem
>
>
>
> The WG K4600 in my wife's Centipede is on the fritz. The screen is rolling
> in a way that doesn't, to me, look like just a sync problem, but since I
> haven't had an arcade monitor go out like this, I'm relying on my memory of
> adjusting the verticle hold when our TV actually had one.
>
> http://www.westnet.com/~chris/Centipede.wmv (about 900k)
>
> Does this look like just a vert or horiz sync problem ?
>
> Bizzare thing is I just put a Bob Roberts cap kit in it a few months ago.
>
>
> ==========================================================
> Chris Candreva -- chris@westnet.com -- (914) 967-7816
> WestNet Internet Services of Westchester
> http://www.westnet.com/
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Received on Mon Nov 10 14:38:49 2003