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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 04-21-2003, 20:25   #1 (permalink)
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3310 serious signal problem...not PA or ant. switch


hi...ive got number of 3310's with very similar fault...signal is coming and going...changed antena switch and PA...same thing..nothing changed...signal is coming and going for short periods...its is picking up signal even without PA in it...i mean i know it usually when you switch phone on without PA its picking up network...then loosing it and never picking it up again...but these phones...picking it back again...and again...and again...

any ideas...anything...just which area start looking?

much appriciate
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Old 04-21-2003, 22:27   #2 (permalink)
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possible software fault... try flashing!

Also, is board liquid damaged? that might be a problem too.

Also possible haggar!

Hope this helps!
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Old 04-21-2003, 23:01   #3 (permalink)
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right....donno but seems like its not sw fault...i reheated with a lot of flux...just in case...seems like no diff...then i noticed that its doin same thing ...i mean coming and goin same moments...e.g. i can even guess now when it will go and come back again...may be something to do with crystals?but which one?

thnx 4 your reply
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Old 04-21-2003, 23:07   #4 (permalink)
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forgot...no!board were not water damaged
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Old 04-21-2003, 23:55   #5 (permalink)
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32 khz sleep clock
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Old 04-22-2003, 09:51   #6 (permalink)
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what was 32khz sleep clock?B200?what part number was it?
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Old 04-22-2003, 10:49   #7 (permalink)
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hello hulala,

32 khz is locketed beetwin display's led line. it at center of pcb,
near left side big yellow cap. black colour , 4 leg part

s4me
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Old 04-22-2003, 10:59   #8 (permalink)
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dats right...B200...thnx mate!will change 2day and post results later on
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Old 04-22-2003, 17:57   #9 (permalink)
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maybe 32.768K ,, yes
also COBBA poor connect on gnd bga pin !
and check on 26Mhz Vp-p value !


Willy
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