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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Sony Ericsson > Sony Ericsson Hardware Repair

Sony Ericsson Hardware Repair Post here your Hardware Repairing Hints or Problems with SonyEricsson and Sony Phones.

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Old 11-21-2005, 14:58   #1 (permalink)
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Question k500 joystick ways


hello all need k500 joystick ways
thanks in advance
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Old 11-21-2005, 15:47   #2 (permalink)
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Quote:
Originally Posted by shahjee
hello all need k500 joystick ways
thanks in advance
K500 keypad ways?


wbr

Fallen Angel
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Old 11-23-2005, 07:29   #3 (permalink)
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Quote:
Originally Posted by Fallen_Angel
K500 keypad ways?


wbr

Fallen Angel
thanks sir
sorry for my bad search
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Old 12-18-2005, 22:10   #4 (permalink)
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Does anybody have a good K500i? I have a problem with the "green" wire from the schematics. It's sort of a column signal for all the lateral buttons and for the right/up joystick direction. On my phone it's at 0 logic level and when I push a lateral button it does nothing. If I push the joystick it shows the signals from the other wire. I don't have the courage to unsoldier the esd protection chip. Does anybody know where does the green wire go after the esd chip?

PS post intended for the other thread.
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Old 12-19-2005, 06:36   #5 (permalink)
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tested that soul and dnt works
also changed crystal ic but same result
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Old 12-20-2005, 06:03   #6 (permalink)
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Quote:
Originally Posted by shahjee
tested that soul and dnt works
also changed crystal ic but same result
In some cases when broken wires between joystick and EMI filter then simple rewiring will not help you - keyboard pads VIA joystick pads to EMI filter so - conecting jostick to KB pads is useless - lines from joystick to EMI filter MUST be restored ... you can put wires to balls under cristal ( or solder it to correct PCB places arround )
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Old 12-20-2005, 07:33   #7 (permalink)
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Quote:
Originally Posted by debeliamark
In some cases when broken wires between joystick and EMI filter then simple rewiring will not help you - keyboard pads VIA joystick pads to EMI filter so - conecting jostick to KB pads is useless - lines from joystick to EMI filter MUST be restored ... you can put wires to balls under cristal ( or solder it to correct PCB places arround )
thanks man but i dont have diagram wires which goes to balls .
if u could help me further will be great
thanks man
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Old 10-20-2006, 19:48   #8 (permalink)
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Exclamation

Quote:
Originally Posted by shahjee View Post
thanks man but i dont have diagram wires which goes to balls .
if u could help me further will be great
thanks man

I need the correct schmetic because this one is not. when i push the left or the right way, it s always the MENU function who is activated !! any solution plz!!

Thx in adv!!
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Old 10-22-2006, 00:34   #9 (permalink)
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K500

Quote:
Originally Posted by shahjee View Post
hello all need k500 joystick ways
thanks in advance
dear its k500 schem and solution , if have prob i will help u , its tested 100%
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File Type: jpg K500 joystick.JPG (29.8 KB, 584 views)
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Old 10-22-2006, 00:47   #10 (permalink)
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Quote:
Originally Posted by shahjee View Post
hello all need k500 joystick ways
thanks in advance
dear for ur help , its ways of keys and joysitc , if all links are ok then ur prob in key pad IC
post me result,
regards rashid ahmed nadeem
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Old 01-11-2007, 08:29   #11 (permalink)
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Quote:
Originally Posted by debeliamark View Post
In some cases when broken wires between joystick and EMI filter then simple rewiring will not help you - keyboard pads VIA joystick pads to EMI filter so - conecting jostick to KB pads is useless - lines from joystick to EMI filter MUST be restored ... you can put wires to balls under cristal ( or solder it to correct PCB places arround )

do you or anyone, knows where are those places ?? except connecting the 3 joystick pads between them (shield pads and menu (ok))
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Old 12-04-2009, 09:23   #12 (permalink)
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Quote:
Originally Posted by r a nadeem View Post
dear for ur help , its ways of keys and joysitc , if all links are ok then ur prob in key pad ic
post me result,
regards rashid ahmed nadeem
many many thanks.. 100% sucessfull.........
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Old 12-19-2009, 12:17   #13 (permalink)
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but i now 4 5 6 and * button not working.. any idea..?
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Old 12-19-2009, 19:03   #14 (permalink)
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Quote:
Originally Posted by vivek_keviv123 View Post
but i now 4 5 6 and * button not working.. any idea..?
check it may it work for you
Rashid Ahmed Nadeem
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File Type: jpg 4,5,6, not work.jpg (354.3 KB, 85 views)
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Old 04-26-2010, 14:36   #15 (permalink)
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change the kyepad ic ..it will be ok
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