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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Various > Sharp

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Old 05-01-2004, 13:08   #1 (permalink)
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sharp gx10 no power repair


hi
Does any know how to repair sharp gx10 mobiles with no power faults. plz forward details on how to repair


cheers
bd electronics
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Old 01-02-2005, 19:20   #2 (permalink)
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just short the resistor next to battery terminal on board
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Old 01-02-2005, 19:55   #3 (permalink)
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do you have some more information about how to solve this problem because i have on sharp gx 10 here when i press and keep power button the phone goes on but when i take my finger off the button the phone goes off
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Old 01-02-2005, 19:57   #4 (permalink)
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Quote:
Originally Posted by zwalvegsm
do you have some more information about how to solve this problem because i have on sharp gx 10 here when i press and keep power button the phone goes on but when i take my finger off the button the phone goes off
That one is different problem but easy , just remove the internal small battery for 5 minutes then replace and it will work
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Old 01-02-2005, 20:09   #5 (permalink)
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allright i will look at it right away
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Old 01-02-2005, 21:08   #6 (permalink)
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Hehe, for @ACE_UK Sharp faults are easy
I have a GX20 here that was working fine, untill one day it didn't power up anymore.
Phone flashes ok, I flashed it several times with repair flash, I tried to remove the backup battery, still no luck! Do you have an idea about this?

Best regards
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Old 01-02-2005, 21:13   #7 (permalink)
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great tip phone works 100% again tnx and happy new year
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Old 01-02-2005, 22:33   #8 (permalink)
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fontelense

FLASH with GX10i Flash

Hope it will Solve the Prob

WORKS for me
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Old 01-02-2005, 22:36   #9 (permalink)
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Quote:
Originally Posted by fontelense
Hehe, for @ACE_UK Sharp faults are easy
I have a GX20 here that was working fine, untill one day it didn't power up anymore.
Phone flashes ok, I flashed it several times with repair flash, I tried to remove the backup battery, still no luck! Do you have an idea about this?

Best regards

check resistor on board next to battery connectors
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Old 01-02-2005, 22:45   #10 (permalink)
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I have checked it, one side connects to battery test pin and the other to gnd, but the value is 2.85 MOhm, is this normal?
Flashing it with GX10i flash don't think it will solve anything.
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Old 01-02-2005, 22:50   #11 (permalink)
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if the phone have not touched the water just remove the pile in the phone if the problem is not sloved just try to flash it
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Old 01-02-2005, 22:55   #12 (permalink)
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Quote:
Originally Posted by fontelense
I have checked it, one side connects to battery test pin and the other to gnd, but the value is 2.85 MOhm, is this normal?
Flashing it with GX10i flash don't think it will solve anything.
Just bridge the resistor with small fuse wire and test
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Old 01-02-2005, 23:52   #13 (permalink)
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Still nothing, no power on. Thanks for the help.
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Old 01-04-2005, 14:14   #14 (permalink)
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well i am measuring the small resistor or whatever it is, and i get 1,2Mohm is this normal? I see a fuse like component from the one side and a diode like from the other side this resistor like component is at the back of the bat connectors next to the shield..
the fuse seems to be alright s/c the resistor and nothing happened, When trying to flash the phone there is no response when power on is pressed, cleaned the red key contacts already but no response.
i think there is power failure somewhere anybody have the service manual for this phone? please pm me

Last edited by kokos; 01-04-2005 at 14:44.
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