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Go Back   GSM-Forum > GSM & CDMA Phones Hardware Repair Area > Hardware Equipments for GSM


Hardware Equipments for GSM All about Hardware Instruments and equipments like Soldering Stations, Hardware Tools, Oscilloscopes , Frequency Counters ..ext.

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Old 10-10-2011, 23:15   #1 (permalink)
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Join Date: Mar 2011
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achi profiles ???


anybody doing reballing on nvidia chips on the dv600/dv9000/etc .

i need some help im having problems taking chip of with out bubling

what profile you guys use ?? or temp range

im using one i kinda made

l1 85 d1 60 sec
l2 140 d2 55 sec
l3 170 d3 55 sec
l4 220 d4 45 sec


bottom set to 160


it does not buble up all the time !!!!

Last edited by Smarteck; 10-10-2011 at 23:21.
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Old 10-26-2011, 09:09   #2 (permalink)
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What is the exact problem with it?
What you mean by "it does not buble up all the time !!!!"?

The bottom temp setting, 160C, is that with the bottom thermocouple just above the heating plates?
Or is it touching the bottom of the PCB?
What are you trying to lift/reflow?
Is youre TC reading out correctly?
did you check with an external TC?
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