GD87 Battery Settings - GSM-Forum

nytol · 09-17-2004, 11:01

I messed up the correct settings while playing around with cb2k(battery calibration values),now the phone shuts off after only 20 hrs standby!(low battery)
Don't have a manual and don't know how to find the correct settings.
If I flash the phone with a new firmware would it reset the values?
Any Help?

50-pounds · 09-18-2004, 00:06

Best thing to do matey is buy a new battery there only cheap site for u

http://www.mobilefun.co.uk

50!

nytol · 09-18-2004, 10:42

Thanks ,I may very well need to buy another battery but since I've changed the settings won't I damage the new one as well?
That brings me back to the original question(s);
If I flash the phone would it be resetting the battery parameter settings? or
How can I reset to the factory setting(Battery calibration)?
Any one?
THX

abbeydguru · 09-18-2004, 11:03

u had not make mention of the outcome of change u made to battery. I think setting it to factory setting will help...but first let me know the outcome of the change u made.

50-pounds · 09-18-2004, 16:13

try geting a normal working gd87 from a mate or sumthing then copy them settings?? would that work..

50!

just a idea!

nytol · 09-18-2004, 22:29

Quote:

Originally Posted by abbeydguru

u had not make mention of the outcome of change u made to battery. I think setting it to factory setting will help...but first let me know the outcome of the change u made.

Well ,changing the original settings has resulted in the battery not storing much power any more.It only takes 10-15 mins to fully recharge this battery

and when fully recharged it's only good for ~20 hrs of standby

or half an hour of talk time

Max_B · 09-25-2004, 20:55

You cannot take battery calibrations from another one cause each pcb has its own settings.
So you have to get a high level ebgd 87 service manual with an oscilloscoper and then search the way to tune battery settings in this type of phones.

Max_B

ozy · 09-26-2004, 01:32

you need a service battery and a multimeter and cb2000 if you have these i can post the procedure but if you dont have a service batt all you can do is copy another fone settings which should be close enough to get fone working rreasonably well but it wont be at its optimum

Max_B · 09-26-2004, 16:32

Quote:

Originally Posted by ozy

you need a service battery and a multimeter and cb2000 if you have these i can post the procedure but if you dont have a service batt all you can do is copy another fone settings which should be close enough to get fone working rreasonably well but it wont be at its optimum

Please post here the procedure to edit battery settings with cb2k !

Thx in advance
Max_B

ozy · 09-27-2004, 00:11

as i said in last post you need dummy batt to carry out thhis procedure,attached txt copied from service manual.

50-pounds · 09-27-2004, 00:28

did you fix it then?? i would of just got another batt me hehe easy way out lol

nytol · 09-27-2004, 12:47

Lacking the needed hardware naturally I took the dumb way out(lately it's becoming a habit)
Used the "hi628" "lo448" values and it seems to be working fine.My standby went back to 2-3 days.

Max_B · 09-27-2004, 21:59

Quote:

Originally Posted by ozy

as i said in last post you need dummy batt to carry out thhis procedure,attached txt copied from service manual.

Thank you but could I use DC 4,1V Power supply to perform it ?

Max_B

ozy · 09-28-2004, 00:27

no idea m8 but it says to switch in the 82ohm resistor not sure what that would be for maybe something for temp sens termnal

dhruva · 10-06-2004, 13:44

i flashed to a58 and now my battey doesnt last any longer than 2 hrs it used to be for 3 hrs or more.. so whats the problem i reflahsed to a53 it was great during a53 some used to say when flahsing from a39 to a53 and a55 battery gets weak i didnt felt so but now with a58 *** it *****

09-17-2004, 11:01	#1 (permalink)
nytol Junior Member Join Date: May 2003 Posts: 16 Member: 28885 Status: Offline Thanks Meter: 0	GD87 Battery Settings I messed up the correct settings while playing around with cb2k(battery calibration values),now the phone shuts off after only 20 hrs standby!(low battery) Don't have a manual and don't know how to find the correct settings. If I flash the phone with a new firmware would it reset the values? Any Help?

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09-18-2004, 00:06	#2 (permalink)
50-pounds No Life Poster Join Date: Jan 2004 Location: England Posts: 602 Member: 48042 Status: Offline Thanks Meter: 1	Best thing to do matey is buy a new battery there only cheap site for u http://www.mobilefun.co.uk 50!

09-18-2004, 10:42	#3 (permalink)
nytol Junior Member Join Date: May 2003 Posts: 16 Member: 28885 Status: Offline Thanks Meter: 0	Thanks ,I may very well need to buy another battery but since I've changed the settings won't I damage the new one as well? That brings me back to the original question(s); If I flash the phone would it be resetting the battery parameter settings? or How can I reset to the factory setting(Battery calibration)? Any one? THX

09-18-2004, 11:03	#4 (permalink)
abbeydguru Cheater -Don't Deal with him- Join Date: Mar 2003 Location: ITALY Posts: 1,124 Member: 23994 Status: Offline Thanks Meter: 43	u had not make mention of the outcome of change u made to battery. I think setting it to factory setting will help...but first let me know the outcome of the change u made.

09-18-2004, 16:13	#5 (permalink)
50-pounds No Life Poster Join Date: Jan 2004 Location: England Posts: 602 Member: 48042 Status: Offline Thanks Meter: 1	try geting a normal working gd87 from a mate or sumthing then copy them settings?? would that work.. 50! just a idea!

09-25-2004, 20:55	#7 (permalink)
Max_B No Life Poster Join Date: Oct 2002 Location: PARIS Posts: 1,565 Member: 16856 Status: Offline Sonork: 1582037 Thanks Meter: 441	You cannot take battery calibrations from another one cause each pcb has its own settings. So you have to get a high level ebgd 87 service manual with an oscilloscoper and then search the way to tune battery settings in this type of phones. Max_B

09-26-2004, 01:32	#8 (permalink)
ozy Freak Poster Join Date: Sep 2002 Location: Aussie Age: 54 Posts: 370 Member: 15355 Status: Offline Thanks Meter: 4	you need a service battery and a multimeter and cb2000 if you have these i can post the procedure but if you dont have a service batt all you can do is copy another fone settings which should be close enough to get fone working rreasonably well but it wont be at its optimum

09-27-2004, 00:28	#11 (permalink)
50-pounds No Life Poster Join Date: Jan 2004 Location: England Posts: 602 Member: 48042 Status: Offline Thanks Meter: 1	did you fix it then?? i would of just got another batt me hehe easy way out lol

09-27-2004, 12:47	#12 (permalink)
nytol Junior Member Join Date: May 2003 Posts: 16 Member: 28885 Status: Offline Thanks Meter: 0	Lacking the needed hardware naturally I took the dumb way out(lately it's becoming a habit) Used the "hi628" "lo448" values and it seems to be working fine.My standby went back to 2-3 days.

09-28-2004, 00:27	#14 (permalink)
ozy Freak Poster Join Date: Sep 2002 Location: Aussie Age: 54 Posts: 370 Member: 15355 Status: Offline Thanks Meter: 4	no idea m8 but it says to switch in the 82ohm resistor not sure what that would be for maybe something for temp sens termnal

10-06-2004, 13:44	#15 (permalink)
dhruva Freak Poster Join Date: Oct 2003 Location: SWEDEN Age: 44 Posts: 346 Member: 41306 Status: Offline Thanks Meter: 0	i flashed to a58 and now my battey doesnt last any longer than 2 hrs it used to be for 3 hrs or more.. so whats the problem i reflahsed to a53 it was great during a53 some used to say when flahsing from a39 to a53 and a55 battery gets weak i didnt felt so but now with a58 * it ***