6210 solution - GSM-Forum

dmac · 03-21-2003, 22:54

hi people, iv got a 6210 with v5.56 sw.

the problem with it, is that it sometimes receives no signal, then again, sometime it does receive signal. iv upgraded, and downgraded the SW. so what HW or SW solution would you guys recomend me?, or any solution at all.

Thank you.

masterross · 03-21-2003, 22:56

resolder HAGAR

yeldar · 03-26-2003, 12:07

Email me and I will send solution

bop_gsm · 03-26-2003, 15:55

i think this problem H/W

moved from > Nokia 6xxx

delta1 · 03-26-2003, 19:22

check also antenna switch and COBBA. it might have some broken pads

ARS · 03-26-2003, 19:28

most of 6210 have bad soldered joint under COBBA, in many phones i see it, every time the same joint..GND...and/or under CCONT...reball both for sure

kulibin · 03-28-2003, 23:39

Yes you need change ALL BGA :-)

Elco · 03-28-2003, 23:47

I thin its cobba

yeldar · 03-29-2003, 00:03

Well it could be one of 3 things according to Nokia, but wintesla will find answer for sure:

A. Poor connection of COBBA (N240) pin1
B. Oxidised H1 pad of COBBA
C. Broken connection of RX/TX switch (Z900) terminal plating

If anyone needs repair file, you know where to find me........

03-21-2003, 22:54	#1 (permalink)
dmac Junior Member Join Date: Nov 2002 Posts: 35 Member: 17378 Status: Offline Thanks Meter: 0	6210 solution hi people, iv got a 6210 with v5.56 sw. the problem with it, is that it sometimes receives no signal, then again, sometime it does receive signal. iv upgraded, and downgraded the SW. so what HW or SW solution would you guys recomend me?, or any solution at all. Thank you.

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03-21-2003, 22:56	#2 (permalink)
masterross No Life Poster Join Date: Mar 2001 Location: Earth Posts: 919 Member: 3506 Status: Offline Thanks Meter: 6	resolder HAGAR

03-26-2003, 12:07	#3 (permalink)
yeldar No Life Poster Join Date: Jun 2002 Location: UK/España Age: 54 Posts: 1,595 Member: 12578 Status: Offline Thanks Meter: 60	Email me and I will send solution

03-26-2003, 15:55	#4 (permalink)
bop_gsm Banned Join Date: May 2002 Location: GERMANY Age: 43 Posts: 1,626 Member: 11549 Status: Offline Thanks Meter: 6	i think this problem H/W moved from > Nokia 6xxx

03-26-2003, 19:22	#5 (permalink)
delta1 Insane Poster Join Date: Jul 2002 Location: portugal Age: 47 Posts: 60 Member: 14076 Status: Offline Thanks Meter: 1	check also antenna switch and COBBA. it might have some broken pads

03-26-2003, 19:28	#6 (permalink)
ARS No Life Poster Join Date: Dec 2000 Location: Slovakia, Brezno Posts: 980 Member: 2721 Status: Offline Thanks Meter: 23	most of 6210 have bad soldered joint under COBBA, in many phones i see it, every time the same joint..GND...and/or under CCONT...reball both for sure

03-28-2003, 23:39	#7 (permalink)
kulibin Freak Poster Join Date: Oct 2002 Age: 41 Posts: 423 Member: 16452 Status: Offline Thanks Meter: 4	Yes you need change ALL BGA :-)

03-28-2003, 23:47	#8 (permalink)
Elco No Life Poster Join Date: Dec 2002 Location: Romania Posts: 10,018 Member: 19254 Status: Offline Sonork: 100.72990 Thanks Meter: 25,395	I thin its cobba

03-29-2003, 00:03	#9 (permalink)
yeldar No Life Poster Join Date: Jun 2002 Location: UK/España Age: 54 Posts: 1,595 Member: 12578 Status: Offline Thanks Meter: 60	Well it could be one of 3 things according to Nokia, but wintesla will find answer for sure: A. Poor connection of COBBA (N240) pin1 B. Oxidised H1 pad of COBBA C. Broken connection of RX/TX switch (Z900) terminal plating If anyone needs repair file, you know where to find me........