View Full Version : SUCCESSFULL REPAIR GD90 TURN OFF.
Pandemonio100
07-13-2001, 19:22
hI I post this result for help others firends.
Problem on gd90 "turn off and restart automatic also if you digit a number"
The problem is the BGA flash eprom, use good flux in gel not liquid.
Tries to make to penetrate the flux under the BGA pushing it with some warm air to low temperature, when you are sure to have covered well it (I use Hot air Quick850) put the smallest nozzle and you establish the temperature around 360°, then it crosses again the component with the warm air.
For me the problem is resolved, I hope for to be you of help.
:D ;)
FLUX flux Flux
Nobody in my town seems to know what this is!
Where can I get this, or can somebody translate it to DUTCH or GERMAN
GsMen
Pandemonio100
07-17-2001, 09:49
You can find it in a shop of electronics (those that they sell the integrated ones the chips the resistances), it is as of the glue alone that is in format liquid or in gel and is used for soldering whit Hot air.
The real name is Flux in Dutch i have tried to translate: Fluß.
;)
Hanukkah
07-17-2001, 21:35
go to <a href="http://www.chemtronics.com" target="_blank">Chemtronics</a> website and look for a dealer nearest you. e-mail them and they usually reply ASAP (in my experience) to refer you to their nearest distributor. Good Luck.
[ 24 August 2001: Message edited by: Hanukkah ]</p>
Hanukkah
07-17-2001, 21:36
Originally posted by Hanukkah:
<STRONG>go to Chemtronics (http://www.chemtronics.com) website and look for a dealer nearest you. e-mail them and they usually reply asap to refer you to their nearest distributor. Good Luck.</STRONG>
Originally posted by Pandemonio100:
<STRONG>hI I post this result for help others firends.
Problem on gd90 "turn off and restart automatic also if you digit a number"
The problem is the BGA flash eprom, use good flux in gel not liquid.
Tries to make to penetrate the flux under the BGA pushing it with some warm air to low temperature, when you are sure to have covered well it (I use Hot air Quick850) put the smallest nozzle and you establish the temperature around 360°, then it crosses again the component with the warm air.
For me the problem is resolved, I hope for to be you of help.
:D ;)</STRONG>
Yes Man...
This kind of fault is bcos of Flash IC.. I'd repaired lots of Phone with this fault...
But care should be taken while u r playing with CPU and Flash (BGY Stuffs).
Good Luck
:) :) :)