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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 07-01-2003, 17:48   #1 (permalink)
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Question 3310 automatic off


1st,
I have 3310 with "automatic off" problem. power on ok but while welcome logo is being displayed, handset is off.

Battery is fully charged as charging is ok.


2nd,
no signal prob. heated up the hagar, pa, ant swt. still no signal.

3rd,
charging prob. first time charge is ok but once charger is pluged out. "Charging" is displayed and batt signal is like when phone is charging. so it's like the phone is charging but it actually not.


any idea? Thx
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Old 07-02-2003, 01:00   #2 (permalink)
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1. Change batt contacts or clean them, Change PA
2. Change Cobba and do update faid
Did u just heated mentioned components or u change some of them >>>?
3. Look for capacitors after control fuse maby faulty, see ccont also chaps if nedeed
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Old 07-02-2003, 08:48   #3 (permalink)
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Re: 3310 automatic off

Quote:
Originally posted by zoboz
1st,
I have 3310 with "automatic off" problem. power on ok but while welcome logo is being displayed, handset is off.

Battery is fully charged as charging is ok.


2nd,
no signal prob. heated up the hagar, pa, ant swt. still no signal.

3rd,
charging prob. first time charge is ok but once charger is pluged out. "Charging" is displayed and batt signal is like when phone is charging. so it's like the phone is charging but it actually not.


any idea? Thx

For 3rd NOKIA PHONE. Check the following PIC. and make the same JUMPER as soon in PIC in blue COLOR.



Best Regards,
Wahab
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Old 07-02-2003, 11:31   #4 (permalink)
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change power switch!!!
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Old 07-02-2003, 12:13   #5 (permalink)
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first one goes off when RF get active.(when phone find network it goes off) Test rf part;
second one:How much is RSSI?It can find any network or not?
For third onrMobile is right 100%
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Old 07-02-2003, 15:03   #6 (permalink)
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thanks for the info. You guys been a great help.

2nd case. no network found. what is RSSI?
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Old 07-03-2003, 09:39   #7 (permalink)
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Quote:
Originally posted by zoboz
thanks for the info. You guys been a great help.

2nd case. no network found. what is RSSI?

for RSSI reading read some old threads posted by WILLY.

for RSSI reading u need MBUS cable and WINTESLA.

Best Regards,
Wahab
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Old 07-05-2003, 10:43   #8 (permalink)
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finally i have time to be online......
DrMobile, thanks for the pic. It is now charging ok.

for NO SIGNAL prob,
how do you actually identify which chip is not working? it could be the hagar, antena switch, ccont, cobba and so on. is there a simple ways to identify all these?
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Old 07-05-2003, 21:55   #9 (permalink)
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There are some ways:
1: Enable Net maonitor.
If RSSI (Recieving Signal Strength Indicator) is greater then -60dB then Rx part is ok.
2: Change PA...
3 If netmonitor shows that PA is always on then reball/change cobba/hagar.
I think your pb will be solved

regards b0ba
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Old 11-08-2009, 07:58   #10 (permalink)
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I am unable to decide from where i should use for jumpering, the problem is my set 3310 not getting on. Although it is charging in off mode. So plese help me for necessary jumpering.
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