K800i Keypad does not work.. need help - GSM-Forum

bakhshalvi007 · 04-21-2007, 13:21

hi there,
i have got one K800 i.. which was water damage.. phone works fine.. only keypad does not work.. some keys work.. please can anybody help me.. pls..

malcomxyz · 04-21-2007, 16:17

Did you changed keyboard?

I woluld also take a look at board connector from pcb an from keyboard.

bakhshalvi007 · 04-23-2007, 10:45

yes i did.. but same result... only few keys works.. as we get this problem k750i as well.. but in K800 i could not find that keypad ic.. can anybody help me.. pls..

bakhshalvi007 · 04-24-2007, 10:01

Does anybody have diagram of K800i... please...

bakhshalvi007 · 05-03-2007, 12:27

i dont know which lenguage.. u r writing.. please can u write in English

.::iRizwan::. · 05-03-2007, 13:17

Here is the schematic of K800.

**Brka** · 06-27-2007, 14:00

withous this part ....

you could find nothing on the board

here's the IC placement

b.r.
Alexandar

ray_5572 · 09-26-2007, 09:12

thaks mate i have the same problem thanks for sharing

djtommy · 11-22-2007, 04:30

just change the keypad board, if still problem maybe break circuit, if not maybe is the d2000 ic need to be reflow, this my result

sloper · 04-06-2008, 00:45

Quote:

Originally Posted by djtommy

just change the keypad board, if still problem maybe break circuit, if not maybe is the d2000 ic need to be reflow, this my result

but, if have glued D2000?

dbhakta · 07-05-2008, 16:11

anybody plz ! help me too found k800i key problem 1,6 & 3 not working. And when also we tuch 3 than apper sutdown option. what we should do ?

dbhakta · 07-05-2008, 16:12

and send me on [email protected].

anfandrei · 07-05-2008, 17:38

i have k800 key problem and i think it's about varistors and diode near joystik

naderhacker · 07-05-2008, 17:41

hi all
try remove joy stick swith and post results
also check v2500 diode for short cicuit
all the best

djtommy · 07-07-2008, 17:35

Quote:

Originally Posted by sloper

but, if have glued D2000?

for glued ic we need to use infrared heater, this device more safety to remove glued ic

04-21-2007, 13:21	#1 (permalink)
bakhshalvi007 Freak Poster Join Date: Oct 2006 Location: South Africa Age: 48 Posts: 444 Member: 372599 Status: Offline Thanks Meter: 41	K800i Keypad does not work.. need help hi there, i have got one K800 i.. which was water damage.. phone works fine.. only keypad does not work.. some keys work.. please can anybody help me.. pls..

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04-21-2007, 16:17	#2 (permalink)
malcomxyz Freak Poster Join Date: Jun 2004 Posts: 140 Member: 68105 Status: Offline Thanks Meter: 7	Did you changed keyboard? I woluld also take a look at board connector from pcb an from keyboard.

04-23-2007, 10:45	#3 (permalink)
bakhshalvi007 Freak Poster Join Date: Oct 2006 Location: South Africa Age: 48 Posts: 444 Member: 372599 Status: Offline Thanks Meter: 41	yes i did.. but same result... only few keys works.. as we get this problem k750i as well.. but in K800 i could not find that keypad ic.. can anybody help me.. pls..

04-24-2007, 10:01	#4 (permalink)
bakhshalvi007 Freak Poster Join Date: Oct 2006 Location: South Africa Age: 48 Posts: 444 Member: 372599 Status: Offline Thanks Meter: 41	Does anybody have diagram of K800i... please...

05-03-2007, 12:27	#5 (permalink)
bakhshalvi007 Freak Poster Join Date: Oct 2006 Location: South Africa Age: 48 Posts: 444 Member: 372599 Status: Offline Thanks Meter: 41	i dont know which lenguage.. u r writing.. please can u write in English

09-26-2007, 09:12	#8 (permalink)
ray_5572 Freak Poster Join Date: Oct 2004 Age: 41 Posts: 198 Member: 85689 Status: Offline Thanks Meter: 5	thaks mate i have the same problem thanks for sharing

11-22-2007, 04:30	#9 (permalink)
djtommy Insane Poster Join Date: May 2007 Location: K.Kinabalu, sabah Posts: 95 Member: 511560 Status: Offline Thanks Meter: 66	just change the keypad board, if still problem maybe break circuit, if not maybe is the d2000 ic need to be reflow, this my result

07-05-2008, 16:11	#11 (permalink)
dbhakta Insane Poster Join Date: May 2008 Location: dharan-7,aachrya line.sunsari Posts: 83 Member: 765953 Status: Offline Sonork: 977-9852060355/9802060355 Thanks Meter: 20	anybody plz ! help me too found k800i key problem 1,6 & 3 not working. And when also we tuch 3 than apper sutdown option. what we should do ?

07-05-2008, 16:12	#12 (permalink)
dbhakta Insane Poster Join Date: May 2008 Location: dharan-7,aachrya line.sunsari Posts: 83 Member: 765953 Status: Offline Sonork: 977-9852060355/9802060355 Thanks Meter: 20	and send me on [email protected].

07-05-2008, 17:38	#13 (permalink)
anfandrei Junior Member Join Date: May 2007 Location: Romania Posts: 35 Member: 500532 Status: Offline Thanks Meter: 2	i have k800 key problem and i think it's about varistors and diode near joystik

07-05-2008, 17:41	#14 (permalink)
naderhacker Freak Poster Join Date: Apr 2001 Location: EVRYWERE Posts: 492 Member: 4365 Status: Offline Thanks Meter: 39	hi all try remove joy stick swith and post results also check v2500 diode for short cicuit all the best