Er 2618s don't power on! - GSM-Forum

hallo · 04-01-2004, 09:51

Is not SW problem becose I try to solve HW problem with key's, and now only get green LED for short time. No conection on any SW.
My first problem is wwith key's YES, < , > , C. They don't work, and I try to change matrix keyboard but same thing. Then I mesure voltage on PCB on key's and no voltage on YES,<,> and C. It must be 5cr2b? I try to rehot PCB and just got no power on at all. Change 5cr2b but result is the same: only short blink on LED.
These is 5. time on the Er2618, 2628, T20 and I don,t now for sure what is the problem.
Any idea?
Cheers

ALIN · 04-01-2004, 19:42

Change The 13 Mhz Cristal Oscilator
Then If No Result Change The Signal Ic Ner The Oscilator

Good Luck

hallo · 04-02-2004, 11:36

13mhz is not for sure! Also, IC is not the problem! F**ing er phones!
But thanks any way!
Cheers.

Poca · 04-02-2004, 11:59

Hi

Check very careful and clean
key contact area from rest
of doomfoil.

Rgs
Poca

Quote:

Originally Posted by hallo

13mhz is not for sure! Also, IC is not the problem! F**ing er phones!
But thanks any way!
Cheers.

colonic · 04-06-2004, 14:02

I agree with poca...

its happened 2 me before, was trying all this
funny stuff on my fone, replacing parts etc...
when the only thing i had 2 do was clean off
the key contacts, usually on the [NO] button.

colonic...

04-01-2004, 09:51	#1 (permalink)
hallo No Life Poster Join Date: Feb 2003 Location: TelServisHalo,Loznica, Serbia Age: 53 Posts: 1,388 Member: 21365 Status: Offline Thanks Meter: 93	Er 2618s don't power on! Is not SW problem becose I try to solve HW problem with key's, and now only get green LED for short time. No conection on any SW. My first problem is wwith key's YES, < , > , C. They don't work, and I try to change matrix keyboard but same thing. Then I mesure voltage on PCB on key's and no voltage on YES,<,> and C. It must be 5cr2b? I try to rehot PCB and just got no power on at all. Change 5cr2b but result is the same: only short blink on LED. These is 5. time on the Er2618, 2628, T20 and I don,t now for sure what is the problem. Any idea? Cheers

04-01-2004, 19:42	#2 (permalink)
ALIN Freak Poster Join Date: Oct 2003 Posts: 434 Member: 40747 Status: Offline Thanks Meter: 0	Try This Change The 13 Mhz Cristal Oscilator Then If No Result Change The Signal Ic Ner The Oscilator Good Luck

04-02-2004, 11:36	#3 (permalink)
hallo No Life Poster Join Date: Feb 2003 Location: TelServisHalo,Loznica, Serbia Age: 53 Posts: 1,388 Member: 21365 Status: Offline Thanks Meter: 93	No! 13mhz is not for sure! Also, IC is not the problem! F**ing er phones! But thanks any way! Cheers.

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04-06-2004, 14:02	#5 (permalink)
colonic Junior Member Join Date: Jan 2004 Posts: 18 Member: 49432 Status: Offline Thanks Meter: 0	I agree with poca... its happened 2 me before, was trying all this funny stuff on my fone, replacing parts etc... when the only thing i had 2 do was clean off the key contacts, usually on the [NO] button. colonic...