8210 drooping signal-strange problem.... - GSM-Forum

Abe · 07-11-2002, 08:22

I have 3 8210 dropping signal to zero every 1-2 hours.....
Tried:

1. resoldering all ic's on the PCB
2. changing
a)cobba
b)PA
c)ccont

Has anyone a solution??????
thanx to all.......

Abe · 07-11-2002, 09:21

Forgot

2.Changed

d) antenna switch.....

Any help i appreciate......

gsmsalers · 07-11-2002, 14:41

Hi.
In my home city there are only one operator support both 900,1800. But how I know which system is now my phone using or which network is good? 900 or 1800 ?Sometime operator name sometime 342.88.Thanks your attention.

gsmsalers · 07-11-2002, 14:43

Hi.
I did mistake because above post need to placed another section. Does this ccont have infect for network? I NEVER HEARD IT>
BYE>

Abe · 07-12-2002, 05:43

CCONT i changed because battery was also dropping down to ZERO....that is resolved with CCONT but signal not......anyone has solution for this kind of problem?????
Thanx..........

NAS · 07-13-2002, 21:39

try changing the hagar may be there is some points that are not solderd correctly (dont heat remove and check. heating ics is temprary) and small parts around the hagar also change the biggest capacitor on top of the cobba

sawa · 07-14-2002, 04:39

try to reset 8210 to full factory reset in wintesla...maybe your chanals are not open

)

jpscomm · 03-29-2006, 11:12

in my case ccont affects signal it is still a part of the signal problem tried and tested many times

dragosgsm · 03-29-2006, 20:38

Quote:

Originally Posted by Abe

I have 3 8210 dropping signal to zero every 1-2 hours.....
Tried:

1. resoldering all ic's on the PCB
2. changing
a)cobba
b)PA
c)ccont

Has anyone a solution??????
thanx to all.......

You forgot the PA,antena swich or the resonator

mobilagy · 03-29-2006, 20:58

i think it's the clock crystal

enzawigroup · 03-29-2006, 21:28

Quote:

Originally Posted by mobilagy

i think it's the clock crystal

it is not clock crystal problam man it is filter problem or antena swich

07-11-2002, 08:22	#1 (permalink)
Abe No Life Poster Join Date: Apr 2001 Location: Croatia Age: 45 Posts: 1,114 Member: 4185 Status: Offline Thanks Meter: 3	8210 drooping signal-strange problem.... I have 3 8210 dropping signal to zero every 1-2 hours..... Tried: 1. resoldering all ic's on the PCB 2. changing a)cobba b)PA c)ccont Has anyone a solution?????? thanx to all.......

07-11-2002, 14:41	#3 (permalink)
gsmsalers No Life Poster Join Date: Apr 2002 Location: Flash Age: 44 Posts: 1,943 Member: 11208 Status: Offline Thanks Meter: 11	900 or 1800? Hi. In my home city there are only one operator support both 900,1800. But how I know which system is now my phone using or which network is good? 900 or 1800 ?Sometime operator name sometime 342.88.Thanks your attention.

07-11-2002, 14:43	#4 (permalink)
gsmsalers No Life Poster Join Date: Apr 2002 Location: Flash Age: 44 Posts: 1,943 Member: 11208 Status: Offline Thanks Meter: 11	SORRY Hi. I did mistake because above post need to placed another section. Does this ccont have infect for network? I NEVER HEARD IT> BYE>

07-14-2002, 04:39	#7 (permalink)
sawa Freak Poster Join Date: Oct 2001 Location: NIS Posts: 251 Member: 6781 Status: Offline Thanks Meter: 0	try to reset 8210 to full factory reset in wintesla...maybe your chanals are not open)

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07-11-2002, 09:21	#2 (permalink)
Abe No Life Poster Join Date: Apr 2001 Location: Croatia Age: 45 Posts: 1,114 Member: 4185 Status: Offline Thanks Meter: 3	Forgot 2.Changed d) antenna switch..... Any help i appreciate......

07-12-2002, 05:43	#5 (permalink)
Abe No Life Poster Join Date: Apr 2001 Location: Croatia Age: 45 Posts: 1,114 Member: 4185 Status: Offline Thanks Meter: 3	CCONT i changed because battery was also dropping down to ZERO....that is resolved with CCONT but signal not......anyone has solution for this kind of problem????? Thanx..........

07-13-2002, 21:39	#6 (permalink)
NAS Junior Member Join Date: Mar 2002 Posts: 18 Member: 10338 Status: Offline Thanks Meter: 0	try changing the hagar may be there is some points that are not solderd correctly (dont heat remove and check. heating ics is temprary) and small parts around the hagar also change the biggest capacitor on top of the cobba

03-29-2006, 11:12	#8 (permalink)
jpscomm Freak Poster Join Date: Nov 2003 Location: batangas Age: 52 Posts: 100 Member: 43873 Status: Offline Thanks Meter: 3	in my case ccont affects signal it is still a part of the signal problem tried and tested many times

03-29-2006, 20:58	#10 (permalink)
mobilagy No Life Poster Join Date: Jan 2006 Location: EGYPT Age: 47 Posts: 777 Member: 217479 Status: Offline Thanks Meter: 267	i think it's the clock crystal

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