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

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Old 04-23-2003, 09:42   #1 (permalink)
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Dead GD75, but can be flashed.


I've got GD75, which don't power on. I don't know how it dead. I tried to flash it. Flashing is OK, but don't power on anyway and don't enter into test mode.

May be somebody have the same (or like) problem? HW or SW?

Thanks in advance.
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Old 04-23-2003, 11:08   #2 (permalink)
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if you flash it and crc is ok i think it's hardware problem.
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Old 04-23-2003, 11:33   #3 (permalink)
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Yes, CRC is OK. Phone is new.
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Old 04-25-2003, 07:27   #4 (permalink)
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May be you have call limit...
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Old 04-25-2003, 08:32   #5 (permalink)
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I can't check this..... Phone can't enter into testmode Only flashing works.
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Old 04-25-2003, 09:13   #6 (permalink)
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Phone enters flashing mode but does not power on! Looks like hardware problem. I think something related to Power IC. You should desolder it and rebuild balls under it, or replace the whole circuit.

Please post results
Best Regards
Sean Archer
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Old 05-04-2003, 18:08   #7 (permalink)
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After reballing CPU and Power chip, phone don't power up anyway. Erasing time 2 seconds. May be flash damaged? Somebody have version higher than A07?
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Old 05-05-2003, 09:44   #8 (permalink)
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No, 2 seconds is normal for GD75, they erase very fast. Still, I think one of the circuits is damaged, maybe CPU or power IC. You should check...

Good Luck
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Old 05-05-2003, 11:06   #9 (permalink)
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in this case most of the time the flash is damaged (i think the eeprom area is damaged) some times i have succeded in powering on the phone by unlocking it with gold tools .....
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Old 05-05-2003, 17:24   #10 (permalink)
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OK I'll try to change CPU and Power IC later...... But before, I want try to flash it with higher version. Somebody have it?
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Old 05-05-2003, 17:26   #11 (permalink)
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If you flashed the phone using goldtools then its already hardware problem...

For dead panasonic phones please read old post bout repairing dead panasonic phones...
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Old 05-06-2003, 09:08   #12 (permalink)
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I don't flash phone with Goldtools. And don't use this program at all.

And what the solution for dead panasonic? Can You tell me?
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Old 05-07-2003, 17:32   #13 (permalink)
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i have another problem ... Phone can be flashed... it enters test mode ... Even i can power on it via cb2000...
But after powering phone off i can't power it on again ...
Any Ideas ?
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Old 05-07-2003, 20:17   #14 (permalink)
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just remake the CPU balls n ur phone will work
INSH*****...
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Old 05-07-2003, 21:38   #15 (permalink)
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Thanks i will try
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