Re: Wells Gardner transistor sub

According to my service notes the MPSA06 IS indeed the the correct
part for Q100 and A56 for Q101

John :-#)#

At 5:31 PM -0500 3/18/06, Jim Thompson wrote:
>Thanks Roger,
>I figured it was probably a general use, low current transistor. I
>just thought there was a more "Arcade monitor" choice because it's
>the only one on the board with that number.
>I have a bag full of MPSA06 transistors and matching comp, MPSA56.
>If anybody needs any let me know.
>
>Jim
>
>>From: Rodger Boots <rlboots@cedar-rapids.net>
>>Reply-To: vectorlist@vectorlist.org
>>To: vectorlist@vectorlist.org
>>Subject: Re: VECTOR: Wells Gardner transistor sub
>>Date: Sat, 18 Mar 2006 15:31:49 -0600
>>
>>Ok, I went to DigiKey and did a search for an NPN transistor that
>>could handle between 300 mA and an Amp and between 80 and 150 volts
>>in a TO-92 case.
>>
>>The all around best choice (and something commonly found in arcade
>>games) looks to be the MPSA06.
>>
>>
>>
>>Jim Thompson wrote:
>>
>>>Hello Group,
>>>Can anyone suggest a good sub for the shorted positive power
>>>supply pre-transistor, Q100, in the Wells Gardner 19K6400 from my
>>>Tempest. I am unable to cross the numbers 71-1 on it.
>>>It also cooked the 15 ohm resistor but not the power transistor.
>>>Any thoughts on the cause.
>>>
>>>Here is the link to the schematic.
>>>
>>>http://www.ionpool.net/arcade/archuk/6401_aztarac_schematic_HI_RES.jpg
>>>
>>>Also is there a list of any changes that should be made for reliability.
>>>
>>>Thanks
>>>
>>>Jim
>
>
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-- 
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Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
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