Yeah its on the laptop's motherboard - I'd be worried about disturbing
everything else on the board.
Some of the youtube clips showing repairs are scarey....
One shows a tea-light candle base, filled with rubbing alcohol, sitting
on the IC in question and then ignited.
I have a gas torch - might make up a heat spreader using some copper
pipe and see how bad it can go.
Chris Hellyar wrote, On 11/23/2012 12:15 PM:
I've used the toasteroven + thermocouple sensor method to reflow
existing boards a couple of times, but a whole laptop board could be
problematic as some components on the board may not be up for the high
temperature... Is the video section on a separate daughter board?
I can lend you the toaster oven and temp probe. :-)
If that's not an option you'll need to find a hot gas rework station
to do the job properly.
On 23/11/12 11:56, C. Falconer wrote:
I have a couple laptops which need work.
They're NVidia GPUs which have a documented habit of breaking the BGA
solder between the IC and the mainboard.
Caused by excessive heat, insufficient cooling, and specifically the
lead-free solder used does not have as much elasticity as old
fashioned lead based solder.
So I need someone with the equipment to reflow (remelt) or reball
(remove the solder, clean and resolder) the IC.
Does anyone have access to this kind of gear?
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The Total Team - Secure Networks for Serious Business
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