>Tom & Lisa P on 7/6/01 6:52 PM wrote:
>
>>> Be careful how tight you tighten down the screws. You may also have a
>>> cracked logic board or cold solder joint somewhere. With just the logic
>>> board in the dock try flexing it ever so slightly and see if that makes it
>>> act up.
>>> -Scott
>>
>> Well if its an internal trace crack, he's screwed. The board is only
>> good for salvage parts.
>>
>Well, I've been looking over the motherboard with some rather thick reading
>glasses and about the only thing I can see is that the underside of the
>board, in the general vicinity of the PDS slot pins looks kind of dull and
>filmy instead of that shiny, glossy finish. It even looks like there may be
>some corrosion around the PDS pins and in spotty places nearby.
>
>Should I try cleaning this area with alcohol as suggested earlier?
>
>I also put it in the dock and flexed the board some while it was booting. It
>seemed to hang. When I shut down and boot, I get the strobe sound and no
>boot. When I remove and replace the board, it works again.
>
>I'm beginning to think the problem is focused around the PDS slot and/or
>pins going through the board.
>
>When it's booting, if I push slightly on the board, in the area right
>centered behind the PDS slot, it stops everything dead in it's tracks. I've
>looked but I don't see any cracks. Perhaps I'm just causing a bad connection
>with the PDS slot with all the pushing...I don't know.
>
>-makmac
You can try the cleaning, but also check inside the connector, where
it mates with the dock connector. Are there any loose looking
connections ?
It kind of sounds like an internal trace crack of some sort.
Mad Dog
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