3310 no signal - GSM-Forum

amana24 · 11-16-2001, 12:41

Hi, i have 3310 in display (LCD) shows full signal but in fact ehen i use it some times sends and receives in good way and some times it dos not while the LCD shows full signal how i fix this problam by

mobidoc · 11-16-2001, 13:43

hello m8

try to change the pa

kind regards .

D-Brain · 11-16-2001, 20:46

Try also to rehot COBBA ic!

Freestyler2000 · 11-17-2001, 03:12

Hi ayman.

I think that D-Brain is right about Cobba. If you have a damaged PA it will be a permanent fault - not internidiate. Most likely you have broken ball on Cobba. Try to reflow Cobba, but best is take it off and then fit it back.

Best regards Daniel

eureka8888 · 11-17-2001, 16:14

how can i remove the cobba? is this the proper procedure 1. heat the cobba to remove it 2. clean the balls left on the board 3. make solder balls on cobba 4. resolder cobba

thanks

D-Brain · 11-17-2001, 21:31

Yes I think It's right... I use this method and it works <img src="smile.gif" border="0">

D-Brain · 11-17-2001, 21:33

but you can also put some flux under the cobba and then rehot it to resolder the balls... try it before removing...

11-16-2001, 12:41	#1 (permalink)
amana24 Freak Poster Join Date: Nov 2001 Location: in the world Age: 52 Posts: 210 Member: 7168 Status: Offline Thanks Meter: 3	3310 no signal Hi,<br />i have 3310 in display (LCD) shows full signal but in fact ehen i use it some times sends and receives in good way and some times it dos not <br />while the LCD shows full signal<br />how i fix this problam<br />by

11-17-2001, 03:12	#4 (permalink)
Freestyler2000 No Life Poster Join Date: Dec 2000 Location: UK Posts: 724 Member: 2868 Status: Offline Thanks Meter: 514	Hi ayman. I think that D-Brain is right about Cobba. If you have a damaged PA it will be a permanent fault - not internidiate. Most likely you have broken ball on Cobba. Try to reflow Cobba, but best is take it off and then fit it back. Best regards<br />Daniel

11-17-2001, 16:14	#5 (permalink)
eureka8888 No Life Poster Join Date: May 2001 Posts: 569 Member: 4675 Status: Offline Thanks Meter: 7	how can i remove the cobba? <br />is this the proper procedure<br />1. heat the cobba to remove it<br />2. clean the balls left on the board<br />3. make solder balls on cobba<br />4. resolder cobba thanks

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11-16-2001, 13:43	#2 (permalink)
mobidoc Freak Poster Join Date: Nov 2001 Age: 45 Posts: 410 Member: 7327 Status: Offline Thanks Meter: 12	hello m8 try to change the pa kind regards .

11-16-2001, 20:46	#3 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	Try also to rehot COBBA ic!

11-17-2001, 21:31	#6 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	Yes I think It's right... I use this method and it works <img src="smile.gif" border="0">

11-17-2001, 21:33	#7 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	but you can also put some flux under the cobba and then rehot it to resolder the balls... try it before removing...