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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Digital Core Technology 4 ( DCT-4 )


Nokia Digital Core Technology 4 ( DCT-4 ) DCT-4 Phones: 1100 , 1100 , 1101 , 1108 , 1110 , 1110 , 1110i , 1112 , 1112 , 1112i , 12i GSM Modul, 1600 , 1600 , 2112 , 2125i , 2126i , 2128i , 2255 , 2300 , 2300 , 2355 , 2600 , 2650 , 2651 , 2652 , 2760 Americas, 2760 Europe/Asia, 30 Terminal, 3100 , 3105 , 3108 , 3120 , 3120 , 3125 , 3128 , 3129 , 3152 , 3155 , 3155i , 3200 , 3205 , 3205i , 3220 , 3220 , 3300 , 3300 , 3320 , 3321 , 3360 , 3361 , 3510 , 3510i , 3520 , 3530 , 3560 , 3570 , 3585 , 3586 , 3586i , 3587 , 3587i , 3588i , 3589i , 3590 , 3595 , 3595i , 5070 , 5070 , 5100 , 5140 , 5140 , 5140i , 6010 , 6012 , 6015 , 6015i , 6016i , 6019i , 6020 , 6020 , 6021 , 6030 , 6030 , 6050 , 6060 , 6060 , 6061 , 6070 , 6070 , 6080 , 6080 , 610 Car Kit, 6100 , 6101 , 6101 , 6101 , 6102 , 6102 , 6102 , 6102 , 6103 , 6103 , 6108 , 6111 , 6112 , 6152 , 6155 , 6155i , 616 Car Kit, 6170 (TIKU) , 6170 (TIKU) , 6200 , 6220 , 6225 , 6225i , 6230 (TIKU) , 6230 (TIKU) , 6230i (TIKU) , 6235 (TIKU) , 6235i (TIKU) , 6236i , 6255 (TIKU) , 6255i (TIKU) , 6256 , 6256i , 6310 , 6310i , 6340 , 6340i , 6360 , 6370 , 6385 , 6500 , 6510 , 6560 , 6585 , 6590 , 6590i , 6610 , 6610i , 6650 , 6651 , 6800 , 6800 , 6810 , 6820 , 6820 , 6820i , 6822 , 6822 , 7200 , 7210 , 7250 , 7250i , 7260 , 7270 (TIKU), 7270 (TIKU) , 7280 (TIKU) , 7280 (TIKU) , 7360 , 7380 , 7600 (TIKU) , 7620 , 810 Car Kit, 8310 , 8390 , 8587 , 8800 (TIKU) , 8800 Sirocco Edition (TIKU) , 8801 (TIKU) , 8910 , 8910i , D211 , Nokia Remote Camera DCT-4+ (Plus) : 1200 , 1208 , 1208b , 1209 , 1650 , 1650b , 1680c-2b Classic, 2310 , 2600c , 2610 , 2610b , 2626 , 2630 Americas, 2630 Europe/Asia, 2670h Fold, 5000 , 5000 , 7070

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Old 11-09-2005, 08:39   #1 (permalink)
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Nokia 6230 not ringing!!!!


Hi all, I have a nokia 6230 thats not ringing, Its not the ringer. I have tried tracing the circuit but no joy. I need the ringer schematics or if anyone has any suggestions that would help.
Thanks
Br
Julesj
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Old 11-09-2005, 09:39   #2 (permalink)
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solution 6230 not ringing

6230 ring.GIFjust replace n120(the audio chip)
see the upload file(phone pcb). n120 is marked in red.
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Old 11-09-2005, 10:18   #3 (permalink)
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thanks mate,

You are a star!!!!!
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Old 08-30-2006, 19:35   #4 (permalink)
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great. works 10000% thanks

wbr

thecult
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Old 01-03-2007, 14:58   #5 (permalink)
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any one have the best way how to change this cristals IC?

and if there are all jumping ways for them
thanx
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Old 01-09-2007, 17:48   #6 (permalink)
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be very careful you are right next to power ic.

try reflow first with minimal flux, works most times - if not, you have to replace or reball, hardly ever damaged unless water has hit it or phone was dropped.

dont bother jumping it!
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