Re: Loss of Horizontal Sync G07

It's a horizontal monitor. I subbed in a different g07 chassis to make sure the
sync level was ok from the game board. The other g07 chassis sync's up to the
game with no problem.
Steve

John Robertson wrote:

> Are you sure that it is the horizontal direction? Remember that monitors
> are laid out like TVs and the horizontal axis is ALWAYS the long length of
> the tube. So if you game is a vertical one (Pacman, 1942, etc.) then you
> are talking about the VERTICAL hold.
>
> Sometimes a simple cure is to jumper the Positive sync pins (unused pins 5
> & 6 on video input connector) this can bypass a bad Vertical (or
> Horizontal) input transistor. Fixes about 50% of monitors without having to
> work on the board (street repairs!)
>
> John :-#)#
>
> At 10:57 AM 07/08/2003 -0500, SteveT wrote:
>
> >I have a G07 with no horizontal sync. It locks vertically but rolls in
> >the horizontal direction. Anyone seen this? I replaced both horiz sync
> >drive transistors and subbed in a new IC . No change.
> >
> >Steve
> >
> >
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Received on Thu Aug 7 14:28:55 2003