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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 10-22-2005, 11:48   #1 (permalink)
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How to check dct3 dead phone hardware with the help of software like banana


How to check dead phone hardware with the help of software like banana
How to check hager for dead phone any jumper .
please help
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Old 10-24-2005, 10:04   #2 (permalink)
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anyone who is expert help me
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Old 10-24-2005, 19:08   #3 (permalink)
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@ rajiv007,

pm me with your detail

w.b.r.
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Old 10-25-2005, 08:30   #4 (permalink)
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Quote:
Originally Posted by baraka42
@ rajiv007,
pm me with your detail
w.b.r.
i don't get you please explane me more
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Old 10-25-2005, 12:28   #5 (permalink)
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Software to use for finding fold on dct3 dead phone.

Rollas 477 flasher.

Connect dead phone press read button, power on and see what error message
is given.

1-Ram bad (is 90% Flash ic 10% cpu.)
2-Must reseve ---------but get ----------(ccont)
3-look at left bottom of flash program if message done(hagar or 13mhr christall)


Hope this will help.
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Old 10-25-2005, 16:14   #6 (permalink)
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thanks mikie274 thanks a lot
but there are 2 types of 'done' one is very quilcky, other is after 2 sec
what is dif
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Old 10-26-2005, 16:07   #7 (permalink)
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here is the soution

1 tx line ow for boot strip begin--- mean hager or 26mhz fault check 2.8v
at 26 mhz. check hagar lines or hagar faulty

2 NHM 5 preloder counter respond ERROR -- check flashing voltages.

3 must received --- vpp,vbat ------mean check ram ics.b5 is open.
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Old 10-26-2005, 17:25   #8 (permalink)
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for dead phones first check supply to all sections, vsin1, vsin2, vcore etc.check supply to 26Mhz. oscillator.If you have a oscilloscope you can check clock signal to cpu (13Mhz).If 26Mhz crystal is ok check hagar supply.
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Old 10-29-2005, 16:36   #9 (permalink)
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here is some...

1.tx line low for bootstrap begin
a.ccont and circuit
b.hagar &circuit
c.crystal osci
d.clock crystal
e.cpu
2. preloader boot error
a.loose connection between cable and phone,mostly terminal
b.hagar
c.crystal osci
d.cpu
3.phone ram is bad
a.ram itself
b.flash i.c
c.cpu
4.unknown flash? of course flash ic
5.not accept algorythm code
a.loose battery terminal connection
b.ccont
c.flash ic
6.battery voltage is too low
a.low supply
b.flash i.c
c.ccont
7.flash erasing error
a.low supply
b.flash i.c
c.ccont
d.cpu
8.power off mobile first and then connect
a.loose connection between phone and flasher, or batterry no charge.
b.open line between positive and ground
c.shorted between + and -
9.power on shortly
a.bad switch, use charger to trigger if does not respond then..
b.ccont
c.shorted components,hang other components to test.
d.cpu

10.successfull flash programming but program undetectable.
a.ram
b.flash ic.



hope it helps...

br..
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Old 10-29-2005, 17:34   #10 (permalink)
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thanks thanks thanks
hope meybe you have for dct4 (UFS-GRIFEEN) please share
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Old 10-30-2005, 12:25   #11 (permalink)
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what about wintesla for network and other please help
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