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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 01-22-2008, 13:11   #1 (permalink)
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k510 short circuit


hello
My k510 problem is when the mobile is off, and i connect the power supply to it with 3.9 v , there is 0.13 A current which shows somewhere in the board has short circuit. then my battery deplets very fast.
would you please help my which parts i have to check?
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Old 01-23-2008, 10:43   #2 (permalink)
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Can anybody help me?
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Old 01-23-2008, 10:49   #3 (permalink)
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can anyone help me
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Old 01-25-2008, 09:29   #4 (permalink)
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help

would you please help me, which part i have to check, i put it in ultrasonic device 10 times and brushed it, all components in mobile such as charger, charge IC, ring IC are OK. mobile works completely but it deplets battery very fast because when the mobile is off there is about 0.13 A current in power supply ampermeter.
i will be very happy if some one can help me.
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Old 01-25-2008, 12:06   #5 (permalink)
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just change ur charging ic ur prob. solved 100%%%%
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Old 01-26-2008, 06:10   #6 (permalink)
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thanks

Thanks dear friend.
As mobile can charge the battery and i checked that the battery is charged, Are you sure that by changing this IC the current consumption will remove? thanks is advance
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Old 01-27-2008, 08:33   #7 (permalink)
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Do you think i can solve the current consumption by flashing the mobile?
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Old 01-27-2008, 08:44   #8 (permalink)
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Quote:
Originally Posted by kevin2001 View Post
Do you think i can solve the current consumption by flashing the mobile?
no absolutely ..since current consumption has nothing to do with software ..its rather hardware fault ...in most cases i encountered so far was MAX S701 (USB/Serial switch ) !! try to remove it and check whether ur set would still consume current ..!

Hopefully that would help u out ..

Best.Regards.
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Old 01-29-2008, 07:09   #9 (permalink)
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Quote:
Originally Posted by Mourad120 View Post
no absolutely ..since current consumption has nothing to do with software ..its rather hardware fault ...in most cases i encountered so far was MAX S701 (USB/Serial switch ) !! try to remove it and check whether ur set would still consume current ..!

Hopefully that would help u out ..

Best.Regards.
THANK you for your reply, but i made a mistake, before your answer i made a Flash to the mobile and when i turn it on there is a message that error in configuration and contact the network dealer...
then i saw your reply and remove the S701 (USB/Serial switch) , wonderful the current consumption disappeared, thanks for your recommendation, then i tried to reflash the mobile to correct the error booting it, but the connection between SETOOLS and Mobile is impossible.
would you please help me again what i have to do,
how i can reflash the mobile without S701 on the board, i think when i tried to remove the IC one of its PADs on the board was damaged.
thank you in advance
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Old 01-29-2008, 07:21   #10 (permalink)
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Quote:
Originally Posted by kevin2001 View Post
THANK you for your reply, but i made a mistake, before your answer i made a Flash to the mobile and when i turn it on there is a message that error in configuration and contact the network dealer...
then i saw your reply and remove the S701 (USB/Serial switch) , wonderful the current consumption disappeared, thanks for your recommendation, then i tried to reflash the mobile to correct the error booting it, but the connection between SETOOLS and Mobile is impossible.
would you please help me again what i have to do,
how i can reflash the mobile without S701 on the board, i think when i tried to remove the IC one of its PADs on the board was damaged.
thank you in advance
First of all , i'm so happy for u for u managed to get rid of faulty IC ..meanwhile u need to solder another Max S701 in order to be able to falsh ur phone .or establishing a set of jumpers ..without which u can't go any step further .

Once done just Finalize/cutomize ur phone using the appropriate custom pack that matches ur Fs file..

well , let me know if u ever need any further help !

Best.Regards
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Old 01-29-2008, 09:28   #11 (permalink)
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Originally Posted by Mourad120 View Post
First of all , i'm so happy for u for u managed to get rid of faulty IC ..meanwhile u need to solder another Max S701 in order to be able to falsh ur phone .or establishing a set of jumpers ..without which u can't go any step further .

Once done just Finalize/cutomize ur phone using the appropriate custom pack that matches ur Fs file..

well , let me know if u ever need any further help !

Best.Regards
THANKS for your reply, would you please learn me how i can use jumpers for this regards, i couldn't find ُS701 in the place i live.
thanks in advance
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Old 02-04-2008, 05:27   #12 (permalink)
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MOURAD120 please help me

Dear Mourad120
I replace a new S701 IC but it doesn't work, becuase i think the pads below the IC damaged. so would you please learn me how i can set jumpers instead of the IC, in order to FLASH the mobile by USB port of mobile by SETOOLS. I downloaded the NLSA4717 datasheet (****og switch from intrenet) i think by set jumpers to connect COM1 to NO1 and COM2 to NO2 this may be work or Connect COM1 to NC1 and COM2 to NC2 .
Would you please help me, i really need your recommendation.
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