Re: Need some help with an Atari Switching Power Supply

Thanks for catching that for me. :) I have ordered the new parts. I
think that will probably do the trick.

Matt

On Thu, 17 Jul 2008 21:06:19 +0000 (GMT+00:00), teeray
<teeray@earthlink.net> wrote:
> Yes that is the wrong part
> you need the "A" Suffix
>
> You can use the following replacement parts for BR4
>
> FEP16CTA - make sure it has the "A" in the part number
> MUR1620CTR - make sure it has the "R" in the part number
> MUR1620CTRG - make sure it has the "R" in the part number
>
> Make sure you get the Common Anode
>
>
> Tim
>
>
> On Thu Jul 17 2008 - 16:29:56 EDT, Matt Rossiter
> <matt@rossiters.com> wrote
>
>>
>>Y'know, I was thinking that same thing. The part originally in there
>>(probably someone else replaced it) has the diode diagram on the chip
> like
>>this -->|*|<-- and it's marked the same as in the schematics and in the
>>parts list even though the schematic diagram shows the diodes going the
>>opposite direction. So that really confused me. The part I bought is
>>FEB16CT. Probably what I need is the same part with the "A" Suffix.
>>http://www.fairchildsemi.com/ds/FE/FEP16JTA.pdf
>>
>>Another Atari Misprint?
>>
>>Matt
>>
>>On Thu, 17 Jul 2008 19:33:59 +0000 (GMT+00:00), teeray
>><teeray@earthlink.net> wrote:
>>> Matt,
>>>
>>> Just looked at the On Semiconductor MUR1615CT data sheet
>>>
>>> http://www.onsemi.com/PowerSolutions/product.do?id=MUR1615CT
>>>
>>> If this is what you are using for BR4 then it is the wrong part
>>> The diodes are connected backwards in this device.
>>> That would explain why the caps blew.
>>>
>>> Tim
>>>
>>>
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Received on Thu Jul 17 17:22:27 2008