Re: Switcher for Sega G80 games

From: Mark E Davidson <mark_at_basementarcade.com>
Date: Wed Dec 25 2002 - 02:05:26 EST

Peter, Trust me.. There is a Power Good signal on my supply and it not a
Computer power supply. It is also NOT a standard "game Supply ether as
it costs 151.00 each!. What is a dallas/maxim reset circuit?

peter jones wrote:

>-----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 Wed Dec 25 20:08:24 2002

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