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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 09-08-2005, 17:10   #1 (permalink)
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How To Reball Bga I.c's


What up guy's ?,

Just want to know how to reball bga i.c's, i know how to reball uem, cpu, cobba etc, etc. Lately i have been getting a lot of jobs requiring flash changes along wiv other little i.c's.

What i want to know from the pro's is how do you re-ball flash i.c and r388 i.c (sim filter) these use far smaller balls can you buy these size i know 0.5mm is aviliable but never seen any smaller, also a lot of insert sim jobs from the 6230 but every time i try and change R388 i.c. the balls on the board mess up and i can't re-make these it is very fustrating for me !

So all you professional repairmen please share tips on how to do this, do they make stencil for re-balling these components ?

x10 to any person who replies

thanks inadvance

BR
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Old 09-08-2005, 17:42   #2 (permalink)
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Reballing smallest ics like Simcard filter ic,

Hi,

You have to use bga mask and cream solder. For simcard filter ics u can use flash ic mask or if u need that size ball u can use 8310 flash ic mask for making ball.

If u need more infor pls contact with me on msn: [email protected]

Best Regards,
Ari Electronics
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Old 09-08-2005, 18:11   #3 (permalink)
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Never used solder cream, how do you make the balls with solder cream and mask/stencil

x10 mate thank-you
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Old 09-08-2005, 19:09   #4 (permalink)
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Who can supply all new mask/stencile with new chips 6230, 6630 etc ?
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Old 09-10-2005, 18:12   #5 (permalink)
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bga ics reballing,

Hi,

Yes u can reball all ics with bga mask and cream solder. If u need more information or any material pls contact with me on msn : 217121767
icq: 304322920

Best Regards,
Ari Electronics,
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