low signal about 8210 - GSM-Forum

makgsm · 02-10-2002, 13:27

hi

i have a 8210 with low signal (network), i changed the antenna swith but the problem still, any solution plz.

regards.

[email protected]

gsm_boy · 02-11-2002, 09:07

Hello...

Three possible reason

ANTENNA SWITCH, FDK (VCO) and COBBA IC...

Best of Luck

<img src="smile.gif" border="0"> <img src="smile.gif" border="0"> <img src="smile.gif" border="0">

makgsm · 02-11-2002, 12:05

hi

I changed antenna switch but the pb still

regards

makgsm · 02-12-2002, 12:49

HI

plz help me

regards

Williamcwy · 02-12-2002, 13:40

Try to change PA, sure ok one!!!

jinn · 02-14-2002, 20:23

hi try to reflow cobba ic with hot air and also ccont .

 br jinn

makgsm · 02-14-2002, 23:07

HI

I try it but the pb still

hanoon · 02-15-2002, 04:06

follow gsm_boy advice.....i test his solution and working perfectly....

good luck!

makgsm · 02-16-2002, 00:25

Hi

what a gsm_boy

hanoon · 02-19-2002, 04:20

Three possible reason

ANTENNA SWITCH, FDK (VCO) and COBBA IC...

GOOD LUCK!

tolikgol · 02-20-2002, 12:03

Hi all I have 8210 with no signal network, changed PA but problem still, try antena connector, resolder pcb but no result. Any solution ?

makgsm · 02-20-2002, 14:37

hi

i search a solution since 1year but anyone have a good solution for this pb!!!!!!!!!!!!!!

D-Brain · 02-20-2002, 21:16

Hi All!

I've repaired a NK 8210 with low signal resoldering ALL the components near HAGAR. I've resoldered capacitors, resistors and filters near HAGAR and the fault was repaired. Maby resolder HAGAR Ic too...

I hope to be helpful.

makgsm · 02-21-2002, 21:31

not work for me

Jackmaxo · 02-24-2002, 22:53

Plz verify the the antenna, the PA, and vco, but try to view phone sensitivity with wintesla good luck

02-10-2002, 13:27	#1 (permalink)
makgsm Freak Poster Join Date: Sep 2001 Location: spain Posts: 103 Member: 6462 Status: Offline Thanks Meter: 0	low signal about 8210 hi i have a 8210 with low signal (network), i changed the antenna swith but the problem still,<br />any solution plz. regards. [email protected]

02-14-2002, 20:23	#6 (permalink)
jinn Freak Poster Join Date: Sep 2001 Location: uk Posts: 274 Member: 6537 Status: Offline Thanks Meter: 0	hi try to reflow cobba ic with hot air and also ccont . <br />br<br />jinn

02-20-2002, 12:03	#11 (permalink)
tolikgol Junior Member Join Date: Nov 2001 Location: Ukraine,Crimea Posts: 36 Member: 7104 Status: Offline Thanks Meter: 0	Hi all<br />I have 8210 with no signal network,<br />changed PA but problem still,<br />try antena connector,<br />resolder pcb but no result. <br />Any solution ?

02-20-2002, 21:16	#13 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	Hi All! I've repaired a NK 8210 with low signal resoldering ALL the components near HAGAR.<br />I've resoldered capacitors, resistors and filters near HAGAR and the fault was repaired. <br />Maby resolder HAGAR Ic too... I hope to be helpful.

02-24-2002, 22:53	#15 (permalink)
Jackmaxo Freak Poster Join Date: Dec 2001 Location: Earth Posts: 238 Member: 7934 Status: Offline Thanks Meter: 0	Plz verify the the antenna, the PA, and vco, but try to view phone sensitivity with wintesla<br />good luck

02-11-2002, 09:07	#2 (permalink)
gsm_boy Freak Poster Join Date: Apr 2001 Location: INDIA Posts: 207 Member: 4223 Status: Offline Thanks Meter: 4	Hello... Three possible reason ANTENNA SWITCH, FDK (VCO) and COBBA IC... Best of Luck <img src="smile.gif" border="0"> <img src="smile.gif" border="0"> <img src="smile.gif" border="0">

02-11-2002, 12:05	#3 (permalink)
makgsm Freak Poster Join Date: Sep 2001 Location: spain Posts: 103 Member: 6462 Status: Offline Thanks Meter: 0	hi I changed antenna switch but the pb still regards

02-12-2002, 12:49	#4 (permalink)
makgsm Freak Poster Join Date: Sep 2001 Location: spain Posts: 103 Member: 6462 Status: Offline Thanks Meter: 0	HI plz help me regards

02-12-2002, 13:40	#5 (permalink)
Williamcwy Freak Poster Join Date: Jan 2002 Location: Malaysia Age: 47 Posts: 239 Member: 8898 Status: Offline Thanks Meter: 1	Try to change PA, sure ok one!!!

02-14-2002, 23:07	#7 (permalink)
makgsm Freak Poster Join Date: Sep 2001 Location: spain Posts: 103 Member: 6462 Status: Offline Thanks Meter: 0	HI I try it but the pb still

02-15-2002, 04:06	#8 (permalink)
hanoon No Life Poster Join Date: Dec 2001 Location: USA Age: 45 Posts: 596 Member: 8051 Status: Offline Thanks Meter: 6	follow gsm_boy advice.....i test his solution and working perfectly.... good luck!

02-16-2002, 00:25	#9 (permalink)
makgsm Freak Poster Join Date: Sep 2001 Location: spain Posts: 103 Member: 6462 Status: Offline Thanks Meter: 0	Hi what a gsm_boy

02-19-2002, 04:20	#10 (permalink)
hanoon No Life Poster Join Date: Dec 2001 Location: USA Age: 45 Posts: 596 Member: 8051 Status: Offline Thanks Meter: 6	Three possible reason ANTENNA SWITCH, FDK (VCO) and COBBA IC... GOOD LUCK!

02-20-2002, 14:37	#12 (permalink)
makgsm Freak Poster Join Date: Sep 2001 Location: spain Posts: 103 Member: 6462 Status: Offline Thanks Meter: 0	hi i search a solution since 1year but anyone have a good solution for this pb!!!!!!!!!!!!!!

02-21-2002, 21:31	#14 (permalink)
makgsm Freak Poster Join Date: Sep 2001 Location: spain Posts: 103 Member: 6462 Status: Offline Thanks Meter: 0	not work for me

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