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

Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 08-26-2003, 11:11   #1 (permalink)
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8250 not power on


I have proplem with my nokia 8250 phone. It is not power on. I read fullflash from a good one and write to my phone, everything run normaly, but still old state. Can anyone tell me how to solve for this proplem? where cause this trouble?
Thanks.
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Old 08-26-2003, 16:44   #2 (permalink)
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HI,
check ccont or flash ic...


cheers
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Old 08-26-2003, 17:36   #3 (permalink)
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Does your phone charging?

If yes - resolder ccont, parts around ccont ... look at 8210 service manual.

If no - bad flash you have.
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Old 08-26-2003, 22:26   #4 (permalink)
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Before everything check 26Mhz oscilator,he is No1 to power up the phone.Check resistance betwen + and - batery conector on PCB,if you have short circuit the problem is on the second place.....Just tell me everything,foret flashing,go step by step,Vcc,26Mhz,resistance on batery and on the conector for charging....
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Old 08-27-2003, 06:25   #5 (permalink)
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If there would be short circuit on the connectors, there will be no flashing ...
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Old 08-27-2003, 13:35   #6 (permalink)
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of course,but i mean short circuit on charging side or wery small resistance betwen + and - on PCB,he must go easy step by step,all series 82xx have to many problem,sometime I need couple minutes to solve him and sometime one year is short ...
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