Re: Switcher for Sega G80 games

-----Original Message-----
From: Mark E Davidson <mark@basementarcade.com>
To: vectorlist@synthcom.com
Date: Mon, 23 Dec 2002 11:39:10 -0800
Subject: VECTOR: Switcher for Sega G80 games

>
> Ok,
> I have started a batch of Sega G80 projects I have been putting off
> and now have a question.
> I need to put a switcher in my Star Trek. The amp part of the board is
> distorting horribly, 1/2 the frame that held the PS together is missing
> so the supply sits unmounted in the back of the game. The PS board is
> pretty hacked up form inexperience repairs and every thing I have read
> says that it is a good idea anyway.
>
> I have a great switcher i have made as my "standard" replacement for all
> games new or old, that has all the correct positive and negative
> voltages with more then enough amps. This supply also has a Power good
> line out as well. I do NOT want to maintain the original supply for that
> crappie 3v AC for the reset!
>
there is no 'power-good' signal on switchers, only on p.c. power supply's.

dont bother, just use a dallas/maxim reset circuit.
they look just like a to92 transistor, vcc/gnd/reset simple!
cost about $1.

c.u.

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Received on Tue Dec 24 13:39:34 2002