6280 not power on, but work ok.... - GSM-Forum

mourad_t · 04-26-2007, 23:12

Hi

I have here one Nokia 6280, its problem is that it doesn't power on! When I plug chargar in, it shows charging! And when I put f-bus cable for flashing with mt-box, phone power on normaly, and working! Power swith is good, problem comes from the motherboard.
So what can it be?

Waiting for your replas, thanks in advance.

foner · 04-26-2007, 23:22

Refit flex cable or change it. (When powered up with cable and pressed power button it gives you profiles?)

mourad_t · 04-26-2007, 23:25

Quote:

Originally Posted by foner

Refit flex cable or change it. (When powered up with cable and pressed power button it gives you profiles?)

Flex cable is good, 'cause I tried with another good (up part: lcd + flex cable) 6280 and phone still same, so problem comes from the motherboard (down part).
When I press power button, it doesn't give me profile.
Thanks for fast replay :)

debeliamark · 04-27-2007, 04:36

Quote:

Originally Posted by mourad_t

Flex cable is good, 'cause I tried with another good (up part: lcd + flex cable) 6280 and phone still same, so problem comes from the motherboard (down part).
When I press power button, it doesn't give me profile.
Thanks for fast replay

Simulate battery ( mean Vbat, BSI and GND ) with external power supplay and look over current when you press power button ...

adnanali · 04-27-2007, 07:50

bsi fault check suply tracks

enzawigroup · 04-27-2007, 18:52

try to rehot or change the key pad crystal

br

xtremeburaq · 04-27-2007, 18:57

right down side of the flex connecter their is test point of on /off path check the voltage there.

mourad_t · 04-28-2007, 14:53

Quote:

Originally Posted by enzawigroup

try to rehot or change the key pad crystal
br

Hi, look in the attachement, are they the keypad crystal ic?
Thanks.

MUTUAL · 05-01-2007, 05:08

yes thats keypad IC.

juniormembr2007 · 07-08-2007, 17:25

Quote:

Originally Posted by enzawigroup

try to rehot or change the key pad crystal

br

this is tested. changed crystal ic, second from right below the board connector...

thanks a lot...

tahir-khan · 08-19-2008, 13:18

Quote:

Originally Posted by mourad_t

Flex cable is good, 'cause I tried with another good (up part: lcd + flex cable) 6280 and phone still same, so problem comes from the motherboard (down part).
When I press power button, it doesn't give me profile.
Thanks for fast replay

hi bro same problem here any picture diagram solution ll be much appreciated.

tnx

Br

halilibrahim · 08-19-2008, 14:21

check flex...
check keypad ıc...
tested...

sopno · 08-30-2008, 09:42

hi avri body pls help me
6280 charg continio but charg no rijarb.
pls pls help me.

nabster_tm · 08-30-2008, 10:10

jumpered ic has connection to the switch. try to replace or jumper this ic.

xEDIx · 08-30-2008, 11:54

test for power supply in volt 5, cek your bsi line, cek a battery, please change a flexibell

04-26-2007, 23:12	#1 (permalink)
mourad_t No Life Poster Join Date: Apr 2003 Location: Algeria Age: 30 Posts: 947 Member: 26438 Status: Offline Thanks: 0 Thanked 7 Times in 6 Posts	6280 not power on, but work ok.... Hi I have here one Nokia 6280, its problem is that it doesn't power on! When I plug chargar in, it shows charging! And when I put f-bus cable for flashing with mt-box, phone power on normaly, and working! Power swith is good, problem comes from the motherboard. So what can it be? Waiting for your replas, thanks in advance.

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04-26-2007, 23:22	#2 (permalink)
foner Freak Poster Join Date: May 2006 Posts: 369 Member: 278058 Status: Offline Thanks: 2 Thanked 81 Times in 42 Posts	Refit flex cable or change it. (When powered up with cable and pressed power button it gives you profiles?)

04-27-2007, 07:50	#5 (permalink)
adnanali No Life Poster Join Date: Dec 2005 Location: PAKISTAN +92 3435531100 Posts: 1,417 Member: 207308 Status: Offline Thanks: 303 Thanked 309 Times in 136 Posts	bsi fault check suply tracks

04-27-2007, 18:52	#6 (permalink)
enzawigroup No Life Poster Join Date: Apr 2005 Location: lebanon Age: 38 Posts: 1,271 Member: 141363 Status: Offline Thanks: 849 Thanked 84 Times in 57 Posts	try to rehot or change the key pad crystal br

04-27-2007, 18:57	#7 (permalink)
xtremeburaq Registered User Join Date: Apr 2007 Posts: 511 Member: 483748 Status: Offline Thanks: 0 Thanked 47 Times in 36 Posts	right down side of the flex connecter their is test point of on /off path check the voltage there.

05-01-2007, 05:08	#9 (permalink)
MUTUAL No Life Poster Join Date: Jul 2005 Location: Auckland Posts: 3,035 Member: 160928 Status: Offline Thanks: 25 Thanked 237 Times in 134 Posts	yes thats keypad IC.

08-19-2008, 14:21	#12 (permalink)
halilibrahim Freak Poster Join Date: Feb 2006 Location: turkey/istanbul gsmdunyasi.com Posts: 149 Member: 228508 Status: Offline Thanks: 8 Thanked 47 Times in 25 Posts	check flex... check keypad ıc... tested...

08-30-2008, 09:42	#13 (permalink)
sopno Crazy Poster Join Date: Mar 2008 Location: B A N L A D E S H Age: 30 Posts: 55 Member: 735090 Status: Offline Thanks: 0 Thanked 18 Times in 14 Posts	hi avri body pls help me 6280 charg continio but charg no rijarb. pls pls help me.

08-30-2008, 10:10	#14 (permalink)
nabster_tm Freak Poster Join Date: Jan 2005 Location: Spain Posts: 158 Member: 106402 Status: Offline Thanks: 17 Thanked 98 Times in 39 Posts	jumpered ic has connection to the switch. try to replace or jumper this ic.

08-30-2008, 11:54	#15 (permalink)
xEDIx Registered User Join Date: Aug 2008 Location: Indonesia Posts: 196 Member: 828691 Status: Offline Thanks: 8 Thanked 33 Times in 27 Posts	test for power supply in volt 5, cek your bsi line, cek a battery, please change a flexibell