oops...Please excuse my bad typing...what I mean to say was:

Yes, I admit I was checking the voltage on the inside of the diodes  
with my multimeter (digital) set to AC. I just rechecked with it set  
to DC and the reading is still in the millivolt range.
If the diodes are indeed the culprit, I find it strange that both  
diodes would be open?
As for the J8 connecter, it basically looks new, no dirt, or burning  
at all.

Phil


On Aug 9, 2009, at 8:07 PM, Philip Lord wrote:

> Yes, I admit I was checking the voltage on the inside side of the  
> diodes with my multimeter (digital) set to AC. I just rechecked with  
> it set to AC and the reading is still in the millivolt range.
>
> If the diodes are indeed the culprit, I find it strange that both  
> diodes would be open?
>
> As for the J8 connecter, it basically looks new, no dirt, or burning  
> at all.
>
> Phil
>
>
> On Aug 9, 2009, at 10:01 AM, Ethan Dicks wrote:
>
>> On 8/8/09, William Levak <wlevak@sdf.lonestar.org> wrote:
>>> Also check the obvious,  are the pins for the plug clean and  
>>> making good
>>> contact?
>>
>> The plug is a good place to check for high resistance or loss of
>> continuity.  I've seen plenty of those plugs (on PETs and on other
>> machines) cook - brown and black plastic, oxidized pins, etc.
>>
>> Too many amps leads to heating leads to oxidation leads to resistance
>> leads to more heating, etc.
>>
>> Fortunately, the connectors are still quite standard, so it'd be easy
>> to replace the end of the cable (the pins on the motherboard are
>> rarely permanently damaged, but make sure they are clean and bright -
>> if not, they aren't difficult to replace or expensive).
>>
>> -ethan
>>
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>
>
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