Re[2]: Omega Race - help!

-----Original Message-----
From: "Lewis D'Aubin" <ldaubin@bellsouth.net>
To: vectorlist@vectorlist.org
Date: Wed, 23 Jan 2008 18:21:03 -0600
Subject: Re: VECTOR: Omega Race - help!

>
> > Based on the schematics in the service manual, it does indeed look as
> > if the game can be strapped for multiple different input voltages. If that
> > were the case, though, it looks as if your +12V should be low as well. Have
> > you checked that?
>
> I finally printed out a nice large drawing of page 92 (96 on the PDF).
> OK, yeah, +12 is dragging as well - it's at 10.79 with the pot all the
> way up.
>
> Checking the transformer inputs, it's tapped at 120V, so that's correct.
> Unreg'd input to the power supply board is 8.57V for the '8V' input and
> 16.79V for the '15V' input. Hmmmmm.... maybe it's the linear power
> supply board after all.
>
>
generally with linear supply's, if your ac is good and your dc looks wrong it's probably your primary smoothing capacitors after the rectifiers that are gone.
a scope will prove that one.

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Received on Fri Jan 25 01:54:47 2008