N3210 signal holds 5 sek - GSM-Forum

fiZ · 08-24-2002, 08:26

after that,signal disappears and more there is not signal

willy · 08-24-2002, 17:21

Fiz,,
did you tried for TX output ,,is it working ?

willy

Quote:

Originally posted by fiZ
after that,signal disappears and more there is not signal

fiZ · 08-24-2002, 17:48

How can i do that?

I changed PA,13 mHz,Antenna switch not help.

Is this a cobba?

willy · 08-24-2002, 18:58

HI Fiz,

NOKIA phone ,, it will show RX and system provider name in LCD
, then go TX (send) phone data to register to network.

in your case,, look like there is not success to register in network!

you can try enable net moniter, and see at test 001
when phone start register to network, you can see it show *5
or , you can use wintesla to test on TX power level section !

you also can check at COBBA.
Cobba handle for TXC (power level control) , and AFC .. many time,, no TX by cobba which is rusty in GND pin of cobba !

Willy

Quote:

Originally posted by fiZ
How can i do that?

I changed PA,13 mHz,Antenna switch not help.

Is this a cobba?

fiZ · 08-26-2002, 07:18

when i turn on "*xx",about 5 sek signal full,after that "xxx" and not signal.I suppose that you are right,there is not success to register in network.What reason?

willy · 08-26-2002, 15:44

HI Fiz,
not success reason ?

1: NO TX outgoing, or TX detect not work !
2: RX out of control range

for RX ,, you might check at TCXO, for GSM 900Mhz, +- 200 HZ is ok , for DCS 1800, +- 400hz it is ok,,
if out of this range,, then it might have problem !

if you need, mail me, i can send you more detail
Willy

Quote:

Originally posted by fiZ
when i turn on "*xx",about 5 sek signal full,after that "xxx" and not signal.I suppose that you are right,there is not success to register in network.What reason?

08-24-2002, 08:26	#1 (permalink)
fiZ Registered User Join Date: Feb 2002 Location: nokia Age: 48 Posts: 204 Member: 9626 Status: Offline Thanks Meter: 0	N3210 signal holds 5 sek after that,signal disappears and more there is not signal

08-24-2002, 17:48	#3 (permalink)
fiZ Registered User Join Date: Feb 2002 Location: nokia Age: 48 Posts: 204 Member: 9626 Status: Offline Thanks Meter: 0	How can i do that? I changed PA,13 mHz,Antenna switch not help. Is this a cobba? Last edited by fiZ; 08-24-2002 at 17:54.

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08-26-2002, 07:18	#5 (permalink)
fiZ Registered User Join Date: Feb 2002 Location: nokia Age: 48 Posts: 204 Member: 9626 Status: Offline Thanks Meter: 0	when i turn on "*xx",about 5 sek signal full,after that "xxx" and not signal.I suppose that you are right,there is not success to register in network.What reason?