Small hardware modifications required for some models - GSM-Forum

zulea · 12-21-2004, 21:18

Hi,

For better work and to avoid problems when flashing 6230 and 9500 Nokia phones, small hardware modifications on PBB is required. In fact 3 resistors should be replaced with another values.

Please check attached pictures for more details.

If anybody is not skilled enough in soldering and replacement of SMD components, please don't do this alone and try ask a friend who have enough skills to make this modifications

Best regards,
Zulea

PROFESOR · 12-22-2004, 14:40

toooo late zulea

Mobile2001 · 12-22-2004, 17:46

I have changed he three resistors. Have problem with 1 ohm. Cant find smd for this one , replaced with 1/8 watt ordinary resistor.
My voltage reading after modification is 3.8 V. Is this close enough.

dani146 · 12-22-2004, 20:40

Quote:

Originally Posted by PROFESOR

toooo late zulea

Better late than never

mr_x4you · 12-22-2004, 22:14

Quote:

Originally Posted by Mobile2001

I have changed he three resistors. Have problem with 1 ohm. Cant find smd for this one , replaced with 1/8 watt ordinary resistor.
My voltage reading after modification is 3.8 V. Is this close enough.

Looooool, I have 3,99V !!!!!

Luciano · 12-23-2004, 12:38

It's working like a charm.

thank you Zulea.

maxijazz · 12-28-2004, 08:29

Quote:

Originally Posted by zulea

Hi,

For better work and to avoid problems when flashing 6230 and 9500 Nokia phones, small hardware modifications on PBB is required. In fact 3 resistors should be replaced with another values.

Please check attached pictures for more details.

If anybody is not skilled enough in soldering and replacement of SMD components, please don't do this alone and try ask a friend who have enough skills to make this modifications

Best regards,
Zulea

hi.i opened the case of my box.it looks like the second picture(i mean the green one).but not the same.how can i know should i do that changes?can you help me please?

mr_x4you · 12-28-2004, 08:42

Look on the board and see what PCB version you have.
It's FLS4V2 or FLS4V5 ?

maxijazz · 12-28-2004, 08:48

Quote:

Originally Posted by mr_x4you

Look on the board and see what PCB version you have.
It's FLS4V2 or FLS4V5 ?

its fls4v2. but not the same as in the picture.for example 47ohm is not at that place shown in the picture.is it important?im asking cause im afraid of making wrong replacements.

maxijazz · 12-28-2004, 08:51

Quote:

Originally Posted by mr_x4you

Look on the board and see what PCB version you have.
It's FLS4V2 or FLS4V5 ?

sorry man i found the problem.it was my fault.thank you for your help.

fgl30 · 12-31-2004, 15:09

My reading (tension) give me 4,35 V, I´m using 7,5 V stabillized 500mA power supply............. and sometimes not enough to keep phones powered on...... specialy TDMA ones........

kyo21 · 01-01-2005, 10:28

Hi plz i need some information about 9500 flashing , must do this modification to do it? because when i put fbus cable phone can t power on in normal mode only white in internal screen

some help plz

alkhawaja · 01-01-2005, 11:41

no body answer in this forum i have proplems t flash 9500 &6630
and no helpe in that now i have problem withe custumer the set all did
and i use the *** we to flash
6630 need fbs-8 ......so what is it this fbs-8
9500 i flash it it is go to 90% and after that MCU FAIL
????
I BY THIS PBB FOR 9500& 6630 ONLY I DONT WANTE TO USE WHITH ATHERE
SO PLS HELP

kyo21 · 01-01-2005, 13:44

no answear always

zulea · 01-06-2005, 00:40

Quote:

Originally Posted by kyo21

Hi plz i need some information about 9500 flashing , must do this modification to do it? because when i put fbus cable phone can t power on in normal mode only white in internal screen

some help plz

Hi,

Try to make changes on your cable like is shown in attached picture.

Best regards,
Zulea

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12-22-2004, 14:40	#2 (permalink)
PROFESOR Freak Poster Join Date: Dec 2002 Age: 33 Posts: 110 Member: 19294 Status: Offline Thanks: 0 Thanked 2 Times in 1 Post	toooo late zulea

12-22-2004, 17:46	#3 (permalink)
Mobile2001 Freak Poster Join Date: Nov 2001 Location: Asia Posts: 180 Member: 7650 Status: Offline Thanks: 5 Thanked 2 Times in 2 Posts	I have changed he three resistors. Have problem with 1 ohm. Cant find smd for this one , replaced with 1/8 watt ordinary resistor. My voltage reading after modification is 3.8 V. Is this close enough.

12-23-2004, 12:38	#6 (permalink)
Luciano Freak Poster Join Date: Aug 2001 Location: RO Posts: 483 Member: 5992 Status: Offline Thanks: 0 Thanked 1 Time in 1 Post	It's working like a charm. thank you Zulea.

12-28-2004, 08:42	#8 (permalink)
mr_x4you No Life Poster Join Date: Jun 2001 Location: Black Mesa Age: 38 Posts: 3,292 Member: 4989 Status: Offline Thanks: 2 Thanked 11 Times in 10 Posts	Look on the board and see what PCB version you have. It's FLS4V2 or FLS4V5 ?

12-31-2004, 15:09	#11 (permalink)
fgl30 No Life Poster Join Date: May 2003 Posts: 1,362 Member: 27881 Status: Offline Thanks: 0 Thanked 10 Times in 4 Posts	My reading (tension) give me 4,35 V, I´m using 7,5 V stabillized 500mA power supply............. and sometimes not enough to keep phones powered on...... specialy TDMA ones........

01-01-2005, 10:28	#12 (permalink)
kyo21 Freak Poster Join Date: Jan 2001 Location: inside bb5!! Age: 34 Posts: 400 Member: 3015 Status: Offline Thanks: 117 Thanked 9 Times in 6 Posts	Hi plz i need some information about 9500 flashing , must do this modification to do it? because when i put fbus cable phone can t power on in normal mode only white in internal screen some help plz

01-01-2005, 11:41	#13 (permalink)
alkhawaja Insane Poster Join Date: Feb 2003 Age: 48 Posts: 60 Member: 22222 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	no body answer in this forum i have proplems t flash 9500 &6630 and no helpe in that now i have problem withe custumer the set all did and i use the *** we to flash 6630 need fbs-8 ......so what is it this fbs-8 9500 i flash it it is go to 90% and after that MCU FAIL ???? I BY THIS PBB FOR 9500& 6630 ONLY I DONT WANTE TO USE WHITH ATHERE SO PLS HELP

01-01-2005, 13:44	#14 (permalink)
kyo21 Freak Poster Join Date: Jan 2001 Location: inside bb5!! Age: 34 Posts: 400 Member: 3015 Status: Offline Thanks: 117 Thanked 9 Times in 6 Posts	no answear always