Re: adjusting centipede monitor

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Andrew Wilson wrote:

>Seems like a great candidate for a cap kit, if you can't adjust the image to
>fit on the monitor any more.
>
>BTW, aren't you supposed to use a plastic tool for those horizontal size
>adjustment widgits? Is a metal tool OK, if the monitor is turned off? I
>think Radio Shack (and Bob Roberts) carry adjustment tools for relatively
>cheap (<$10).
>
>-atw
>
>

Yes, never ever use a metal tool with the power on, it will get very hot
very fast and there are some nasty voltages in that area.

Radio Shack has a kit of alignment tools that MAY have the one you need
included.

>-----Original Message-----
>From: owner-rasterlist@synthcom.com
>[mailto:owner-rasterlist@synthcom.com]On Behalf Of Rod Spade
>Sent: Sunday, October 27, 2002 6:20 PM
>To: rasterlist@synthcom.com
>Subject: RASTER: adjusting centipede monitor
>
>
>I recently acquired a Centipede with a WG 19K4903. I have a couple of
>issues with the monitor:
>
>The left side of the screen (this would be either the top or bottom of
>the monitor, since it's mounted vertically) is cut off. For example, in
>attract mode, I can't see the left edge of mushrooms in the left-most
>column. I see about 2/3 of the mushroom, but not the far left edge.
>And in self-test mode, I can move the centipede head off screen to the
>left so that it's not visible at all. This almost seems to be an issue
>with the game board rather than the monitor; reducing the vertical size
>on the monitor and/or shifting the picture with the jumper doesn't fix
>it - it's like some of the video scan lines are just plain missing. I
>even tried fiddling with vertical hold, but that didn't seem useful.
>
>The other issue is that the image is too tall - i.e., the self-test
>background extends off the top and bottom of the screen. I assume the
>way to fix this is with the horizontal size adjustment on the monitor,
>but it's a real pain. It's a coil that you have to adjust with a hex
>tool, but none of my hex wrenches seems to fit, and I wasn't able to do
>anything with the blade of a screw driver either. I either need a
>perfectly-sized tool that I don't have, or the thing is just so old that
>it's stuck and won't easily adjust. (I did find black crud or soot or
>something inside the game, so who knows where it's been.) Is there an
>"easy" way to adjust this, or do I just have to keep beating on that
>horz size coil until I get it? Might capping the monitor help?
>
>Thanks for your assistance!
>
>Rod
>

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Received on Sun Oct 27 19:06:33 2002