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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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08-18-2003, 07:23 | #1 (permalink) |
No Life Poster Join Date: Nov 2001 Location: Mauritius Age: 47
Posts: 1,116
Member: 7482 Status: Offline Thanks Meter: 24 | 8210 Network problem partially solved I have a 8210 which was getting network i changed PA and removed antenna switch to use jumper solution. What happens now is that it gets NETWORK on 1800MHz. It works more than perfectly i can say BUT, on 900MHz the network bars goes ON anf OFF. Sometimes it gets network and other times it looses network on 900 MHz. Please anyone can help me to solve this little problem Before changing PA it did not got NETWORK on neither 1800MHz nor 900MHz. Now it is working only on 1800 MHz. can anyone help please With Best Regards Mehvishal ICQ# : 175049963 |
08-18-2003, 11:46 | #2 (permalink) |
No Life Poster Join Date: Apr 2003 Location: Greece Age: 47
Posts: 3,358
Member: 26279 Status: Offline Thanks Meter: 274 | this solution with jumpers is only for testing transmiter and receiver and with carefull.the antenna switch have reason to be theare.it switching the antenna one time to receiver and after few microseconds to transmiter. a t e n t i o n:antenna must not be conecting same time with receiver and transmiter you will damage your phone.for this reasonONT MAKE JUMPERS IN ANT.SWITCH AREA. |
08-18-2003, 16:40 | #3 (permalink) |
No Life Poster Join Date: Feb 2003 Location: Aus. melbourne Age: 45
Posts: 1,752
Member: 20639 Status: Offline Thanks Meter: 233 | replace the antena switchm should be ok.. if not check pa, might faulty on 900mhz... or check all the caps, resistors on 900mhz lines... regards TMPC |
08-19-2003, 20:47 | #6 (permalink) |
No Life Poster Join Date: Nov 2001 Location: Mauritius Age: 47
Posts: 1,116
Member: 7482 Status: Offline Thanks Meter: 24 | i will try to replace the hagar my friend. But i am trying all other possibilities first. Till now, nothing has changed. it's still getting network on 1800MHz and NOT on 900MHz. Thanks a lot i am still open to other answer my friends. |
08-19-2003, 21:41 | #7 (permalink) | |
No Life Poster Join Date: Jan 2003 Location: GMT +5 Age: 49
Posts: 1,230
Member: 19737 Status: Offline Thanks Meter: 133 | Quote:
if we use cap insted jumper we have not need for an****a switc for 900mhz or 1800mhz coz we make our phone single band by jumper | |
08-23-2003, 01:26 | #8 (permalink) |
No Life Poster Join Date: Mar 2003 Location: Europe Age: 54
Posts: 788
Member: 24581 Status: Offline Thanks Meter: 87 | When network goes up and down try to rehoot COBBA (V257B),or somethime in my praxis i change 26Mhz oscilator,somebody ask me why,he is only for power up example, but he is also wery important for HAGAR because he use 26Mhz for PLL: |
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