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

Nokia Repair Guide and FAQ Common Nokia Hardware Problems and Tutorials, EXE packages and Schematics

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Old 07-20-2004, 18:53   #61 (permalink)
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are you sure that your cobba is ok?
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Old 07-21-2004, 15:22   #62 (permalink)
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I changed cobba again and solved my poblem.Thanks to all.
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Old 07-22-2004, 11:39   #63 (permalink)
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3310 no network

I have a 3310 that nevr find the network. I try all software solution but no result.

I tried with DCT repair partner by neb 3.2, with test Tx900 it seems that there is a good signal, but with test Tx1800 there is no signal.

what can be the problem and which IC I should change first? (if it's hardware probleme???)

br
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Old 07-23-2004, 12:32   #64 (permalink)
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will you specfic well your problem becouse its too short your saying about signal of the phone
br keany
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Old 07-23-2004, 15:29   #65 (permalink)
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try to change the Antenna switch and see the result!!!
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Old 07-23-2004, 20:12   #66 (permalink)
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@keany,

That's quite a lot here in my country. With our normal service charges between US dollars 3 to 15 (including some spares) it'll take ages to recover. Certainly rates of equipment have dropped by now, but still i have to do a return on investment analysis before i invest. Also that amount is currently beyond my means, and is beyond that of several technicians. As i said elsewhere, I am not limited to earning from the GSM field. As and when i feel its right I shall invest. Could u please give the details of your equipment; make, model, measurement range?

Thanks
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Old 07-24-2004, 17:32   #67 (permalink)
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Quote:
Originally Posted by boyz
I have 7200 droped phone. It's seem only insert sim card.
Any body have solution and 7200 disassembly manual or video's.
check ur sim reader flip cover( golden metal type) it is coming with special switch connection when u insert ur sim card. clean the pcb contact of the same also. 7200 will not work with normal plastic type sim reader flip.
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Old 07-25-2004, 01:40   #68 (permalink)
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my question, when network bars display for some time.
when screen saver appear on lcd , the network bars disappears?
what do you do?

i am waiting .

bestman.
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Old 07-28-2004, 09:52   #69 (permalink)
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sorry i cant respond to you here
best regards to all
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Old 07-28-2004, 13:48   #70 (permalink)
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Hi

At first I must say big HELLO and big THANKS to keany for this thread.
I have one question.
Is is posible to made some (home made ) tester for RX or TX problems .???
What is happening when you put phone near FM Radio station and you hear noise (I hope everybody know what noise) in radio when phone finding network or reciving massage or call.May that use as some tester or ???


Thanks
Regards
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Old 07-28-2004, 20:03   #71 (permalink)
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Quote:
Originally Posted by bestman
my question, when network bars display for some time.
when screen saver appear on lcd , the network bars disappears?
what do you do?

i am waiting .

bestman.
A first : change PA !
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Old 07-29-2004, 00:37   #72 (permalink)
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Thank you so much Sir..
Very useful for poor countries where GSM is still new, and 3310´s are everyday stuff!
I´ll get my hands on a few 3310´s and post my results..
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Old 07-31-2004, 14:49   #73 (permalink)
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OK! someone please explain this... I had signal problem in 8210 flashed with good flash -NO luck-thought it was PA e.t.c BUT surely I cant believe always (hardware fault) PA-coz could be several hardware flaws COBBA e.t.c BUT I think theres software fix- then I thought its dead fone may aswell use it as mados calc so flashed with MADOS moded full flash-now signal perfect can make & receive calls with NO problems! strange!
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Old 08-02-2004, 14:23   #74 (permalink)
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did u try to update faid?
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Old 08-02-2004, 18:50   #75 (permalink)
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NOKIA 7250 nhm j,

I meat with the stanger problem, I got one 7250 with a camera, the phone radio was no radio (radio error) I flashed it and acting good, bu the phone from now can not ring and cannot listen it through speaker but only with Headphone, I tried to update until 7250i but this result contact service, but initial the phone main cover was written 7250 NHL-4 as I know the NHL-4 is for 7210 and NHL -4J is for 7250 also NHL4JX is 7250i, any body who can solve my problem
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