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09-22-2002, 11:59
| #1 (permalink) |
| No Life Poster  Join Date: Apr 2002 Location: Flash Age: 44
Posts: 1,943
Member: 11208 Status: Offline Thanks Meter: 11 | Willy 3310 problemm? Willy I have strange nokia 3310 with following pb. When it find network with 4 bar it automaticly turn off.Not switch on untill I press power switch.If I use over voltage 5v then it doesn't power off,remain on but no network after few seconds. I already changed pa,antenna switch, ccont. What I need to do? Thanks |
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09-22-2002, 17:46
| #2 (permalink) | |
| No Life Poster Join Date: Mar 2000 Location: inside NOKIA phone Age: 58
Posts: 1,677
Member: 1060 Status: Offline Thanks Meter: 10 | Re: Willy 3310 problemm? Gsmsalers, check first B cover battery connector !then check at Hager Charge pump at N503 , and TXVGSM BB: check CCONT C242 VTX, C240 VRX ! and try to check TXC from COBBA control and COBBA some GND pin and MCU TXP enable ! Willy Quote:
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09-23-2002, 00:50
| #3 (permalink) |
| No Life Poster Join Date: Apr 2002 Location: Flash Age: 44
Posts: 1,943
Member: 11208 Status: Offline Thanks Meter: 11 | Hi. Can you explain me? I need info about gsm hardware repairing tools. My friend bought 1Gega Herz osciloscope from china. It seems can be used as spectrum analyzer and ordinary osciloscope . Now what is it rf-generator? Also frequency counter? If I have 1Gega Herz osciloscope then no need frequency counter,yeah? Thanks |
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09-23-2002, 07:25
| #4 (permalink) |
| No Life Poster Join Date: Mar 2000 Location: inside NOKIA phone Age: 58
Posts: 1,677
Member: 1060 Status: Offline Thanks Meter: 10 | Gsmsalers, it is good to use to measure GSM 900 ! and you need a good probe ! if this oscilloscope has readout function, then you can test it as a frequency counter ! ps. you did spam one same post in other thread , and i have delete it already , please careful next time, thanks ! Willy |
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09-23-2002, 16:45
| #6 (permalink) |
| No Life Poster Join Date: Mar 2000 Location: inside NOKIA phone Age: 58
Posts: 1,677
Member: 1060 Status: Offline Thanks Meter: 10 | gsmsalers signal generator :we call SG .. it use for send signal to phone antenna pad , then you check RX path from antenna switch up to COBBA ! Willy |
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