Desoldering Atmels
- Thread starter pootas
- Start date
jumpinjo
Inactive User
what atmel do you wanna take out of v+
if chip for net id there aint a tut i know of as its pretty straight forward
if chip for net id there aint a tut i know of as its pretty straight forward
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jay 210
Inactive User
i use flux and a flame gun and a small flat ended screw driver bent at the end to take it off
jay 210
Inactive User
should work ..but you might find 15w might not be hot enough to do the job ..with the flame gun it heats all the legs at once ..then just flip it off ...
I have got a 30w iron as well....I tried to get it off last night but didn't have any desolder braid or solder sucker...
Seemed to be as quick as solder was melting it was re hardening as i had to each leg individually...
What's the best way then? Heat the legs and pull chip?
Seemed to be as quick as solder was melting it was re hardening as i had to each leg individually...
What's the best way then? Heat the legs and pull chip?
jay 210
Inactive User
hold the 30w on one side all 4 legs if poss and lift with a blade or flat screw driver.... then do the other side
I'll try it later on ....Gotta admit I'm kinda shite at this sort of fiddly stuff....Do you hold the iron at the bottom of the legs when trying to get the chip off??
Also are they easy to put back on...I ain't got any spare so really wanna remove/blank and replace with damaging the chip...
In B&Q they had a gas iron for like £20...Is this what you use?
Also are they easy to put back on...I ain't got any spare so really wanna remove/blank and replace with damaging the chip...
In B&Q they had a gas iron for like £20...Is this what you use?
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Thanks goes to video maker Tangoman.
jay 210
Inactive User
AtmelAce
Inactive User
Solder all 4 legs on each side together first. Then heat up all 4 on one side and lift the chip up slightly with ha scaplel blade. Then to the same the other side. Repeat 3 or 4 times and the chip will lift off cleanly. Remove excess solder from the pads and the chip legs with solder wick.
Job done.
Job done.
Done it!!! 
Went to B&Q on the way home and got one of those gas solders and a can of butane....Put it on a low pressure and warmed the legs and off came the chip... Hopefully it's not been damaged so I can just blank it and pop it back on...Can you pop the chip back on by just putting it in place and heating the solder like I did with the gas solders or will it need more than that??
Thanks for all your help too guys...
Went to B&Q on the way home and got one of those gas solders and a can of butane....Put it on a low pressure and warmed the legs and off came the chip... Hopefully it's not been damaged so I can just blank it and pop it back on...Can you pop the chip back on by just putting it in place and heating the solder like I did with the gas solders or will it need more than that??
Thanks for all your help too guys...
jumpinjo
Inactive User
yes m8 thats easiest
put some flux and run hotair over pads to level them of then replace eeprom
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Whilst your all being soooo helpful....How do I blank the chip....I'm a n00b to all this soldering chips game....
I bought this the other day:
Link
On my PC I've got a couple of programs such as winpic, picprog4u and icprog although icprog gives me a "priveleged instruction" error when opening it.
Is there a tut to explain how to blank a chip. From what I've read you prog the chip with all F's and then pop it back onto board. As I'm from pure it should autoset netid etc....
I bought this the other day:
Link
On my PC I've got a couple of programs such as winpic, picprog4u and icprog although icprog gives me a "priveleged instruction" error when opening it.
Is there a tut to explain how to blank a chip. From what I've read you prog the chip with all F's and then pop it back onto board. As I'm from pure it should autoset netid etc....
Well the way I look at it is this....At the moment the V+ is no good to me....If i fook the board it's still no good to me so I might as well chance it and fix it...
I found now I have the right tools it is much easier..With the gas solder the solder melted in seconds and the chip lifted with the smallest of effort however I did have a lil try with a normal solder last night and it didn't work...
With the right tools I'm sure I can fix it lol
I found now I have the right tools it is much easier..With the gas solder the solder melted in seconds and the chip lifted with the smallest of effort however I did have a lil try with a normal solder last night and it didn't work...
With the right tools I'm sure I can fix it lol
