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Subject: Re: Call for help on iRiver port

Re: Call for help on iRiver port

From: Vladimir Pantelic <>
Date: Fri, 10 Sep 2004 11:44:10 +0200

Stuart Tedford wrote:
>>-----Original Message-----
>>From: Linus Nielsen Feltzing []
>>We need to unsolder the CPU to be able to
>>trace the signals and draw schematics, but this will very
>>likely render the player useless in the process, as it
>>is very difficult to put the CPU back.
> You can apparantly get BGA sockets, so you can mount the socket to the
> board, then "plug" the BGA IC into the socket.

not in all cases, a lot of BGA sockets are quite big, they are meant to
be used on "test" or "evaluation" boards, not on final products.
Most of them would have "pins" on the bottom, so you need a special PCB,
you cannot mount them on top of a PCB where you just desoldered a BGA chip.

> I think they are harder to find than rocking-horse poo though. A guy here
> at work was looking into it a few months ago, so if you want I can ask him
> for more info.

Not difficult to find:

just horribly expensive :-(

Received on 2004-09-10

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