8890 signal problem - GSM-Forum

Ryu · 08-19-2003, 06:30

hi, i have a 8890 and suddenly today the signal is really bad. Before i have 4 bars and today in same area i only have 1 or 0 bar.

my friend has a 8890 too and we compared.... and i only have 1 bar and he has 4 bars in same area..

I tried to switch antenna with him, and still same problem.

please help. thanks!

MPhoneClinic · 08-19-2003, 16:30

check antena switch,,,

good luck

Ryu · 08-20-2003, 07:22

@MPhoneClinic,
so I solder antenna switch out and connect the 2 pins?
i'm new to this.. please help, thanks!

MPhoneClinic · 08-20-2003, 16:03

if it's me, i will replace the antena switch.. if the problem presist.. reflow or change COBBA.. . see how u go..

cheer

Ryu · 08-20-2003, 16:56

thanks!

delta1 · 08-22-2003, 14:47

also check antenna pads on the board and antenna connectors

ascona202000 · 09-19-2003, 20:10

What is COBBA...??

08-19-2003, 06:30	#1 (permalink)
Ryu Freak Poster Join Date: May 1999 Location: uk Posts: 419 Member: 131 Status: Offline Thanks Meter: 11	8890 signal problem hi, i have a 8890 and suddenly today the signal is really bad. Before i have 4 bars and today in same area i only have 1 or 0 bar. my friend has a 8890 too and we compared.... and i only have 1 bar and he has 4 bars in same area.. I tried to switch antenna with him, and still same problem. please help. thanks!

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08-19-2003, 16:30	#2 (permalink)
MPhoneClinic No Life Poster Join Date: Feb 2003 Location: Aus. melbourne Age: 45 Posts: 1,752 Member: 20639 Status: Offline Thanks Meter: 233	check antena switch,,, good luck

08-20-2003, 07:22	#3 (permalink)
Ryu Freak Poster Join Date: May 1999 Location: uk Posts: 419 Member: 131 Status: Offline Thanks Meter: 11	@MPhoneClinic, so I solder antenna switch out and connect the 2 pins? i'm new to this.. please help, thanks!

08-20-2003, 16:03	#4 (permalink)
MPhoneClinic No Life Poster Join Date: Feb 2003 Location: Aus. melbourne Age: 45 Posts: 1,752 Member: 20639 Status: Offline Thanks Meter: 233	if it's me, i will replace the antena switch.. if the problem presist.. reflow or change COBBA.. . see how u go.. cheer

08-20-2003, 16:56	#5 (permalink)
Ryu Freak Poster Join Date: May 1999 Location: uk Posts: 419 Member: 131 Status: Offline Thanks Meter: 11	thanks!

08-22-2003, 14:47	#6 (permalink)
delta1 Insane Poster Join Date: Jul 2002 Location: portugal Age: 47 Posts: 60 Member: 14076 Status: Offline Thanks Meter: 1	also check antenna pads on the board and antenna connectors

09-19-2003, 20:10	#7 (permalink)
ascona202000 Junior Member Join Date: Jun 2003 Location: Denmark Posts: 21 Member: 31076 Status: Offline Thanks Meter: 0	What is COBBA...??