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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 01-14-2006, 18:41   #1 (permalink)
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Smile K300 keypad_Joy


K300 keypad+joystick

Bakl
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Old 01-14-2006, 19:30   #2 (permalink)
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thx good tricks

but we need replace Cristal after or not needed??

thx anyway
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Old 03-07-2006, 11:02   #3 (permalink)
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K300i Joystick

Hi!

I change jostick but only the center button work if I press right or left or up or down the phone think I press center button?
I see all track is ok I change EMU and I rehot CPU but nothing change.

What do I do?

Thanks Br Tybee
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Old 03-08-2006, 06:28   #4 (permalink)
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Quote:
Originally Posted by BouRRi_GSM
thx good tricks

but we need replace Cristal after or not needed??

thx anyway
At least you must have working ESD filter in place - there wiring diagram show lines comes to ESD elementh - but also must go from him to CPU - so cristal is needed ...
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Old 03-08-2006, 11:51   #5 (permalink)
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k300 keypad

Look at attach file, for me works
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File Type: rar se k300, 500.rar (7.4 KB, 1051 views)
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Old 03-08-2006, 13:01   #6 (permalink)
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Quote:
Originally Posted by Bakl
K300 keypad+joystick

Bakl
please send this pics again in better resolution
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Old 03-11-2006, 15:41   #7 (permalink)
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Thanks man's but I short 'crystal' as seen es Proton's pics but no succes If I press right,left up or down in joy only the center (ok) buttun is pressed

Br Tybee
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Old 04-17-2006, 15:11   #8 (permalink)
sdr
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I have the same problem. Only the centre work.
Please help!
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Old 04-25-2006, 09:56   #9 (permalink)
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please help me its urgent k300i keypad working fine but joystick not working
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Old 04-26-2006, 08:29   #10 (permalink)
sdr
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Wen only ok work from the joystik short this points
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Old 10-03-2006, 19:04   #11 (permalink)
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I still having problems with the joystick

i changed ic, i changed joystick, i checked all the traces and still working only ok from joy somebody have a solution for this ?
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Old 10-06-2006, 16:15   #12 (permalink)
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Replaced Joystick
Works 100%
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