Nokia NHM-3 Series Скачать руководство пользователя страница 34

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NHM-3

Trouble Shooting

PAMS Technical Documentation

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Select:Testing

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RF Controls

TX Power Level: BASE

Alt+x, b

TX Continuos

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TX Data Type: Random

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Channel: 700

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Last edit 13:35 07-02-00

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VBATTRF

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Controls

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Driver

Dir. Coupler

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Содержание NHM-3 Series

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Страница 2: ...nstructions for EGSM RX troubleshooting 24 Fault finding chart for EGSM receiver 26 EGSM Signal path 26 RX TX Switch 27 Front end 27 Hagar 27 PCN Receiver 28 General instructions for PCN RX troubleshooting 28 Fault Finding Chart for PCN receiver 29 PCN Signal Path 30 Front end 30 Hagar 30 EGSM Transmitter 31 General instructions for EGSM TX troubleshooting 31 Path of the transmitted EGSM signal 31...

Страница 3: ...nitial set up EGSM 54 LVW RI LJXUHV Fig 1 Phone is Totally Dead 6 Fig 2 Flash programming doesn t work 8 Fig 3 Flash Programming 9 Fig 4 Power doesn t stay on or phone is jammed 10 Fig 5 Wintesla Snapshot of MCU Self tests 11 Fig 6 Phone register failure 12 Fig 7 Phone doesn t register to the network 14 Fig 8 SIM related faults 15 Fig 9 SIM card rejected fault 2 16 Fig 10 Audio faults 17 Fig 11 Ch...

Страница 4: ...NHM 3 Trouble Shooting PAMS Technical Documentation 3DJH 1RNLD 0RELOH 3KRQHV WG 2ULJLQDO ...

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Страница 6: ...217 1 SUHYHQWV WRWDOO WR VZLWFK SRZHU RQ LI 9 7 LV EHORZ 9 LJXUH 3KRQH LV 7RWDOO HDG Phone is dead J104 VB or V440 Katode VBAT 3 6V Failure in VBAT line Check X120 L123 J102 WDDIS 3 6V Faulty N102 or faulty PCB J109 VBB 2 8 V J106 VXO 2 8 V when PWR switch is pressed or J102 is grounded J102 0V when PWR switch is pressed or X200 pin 11 is grounded See section Power Doesn t Stay On Faulty N102 CCON...

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Страница 8: ... 1 2 8V after 60ms Yes Check J113 SLEEPCLK 32KHz square wave Check sleepclock circuit B110 R111 Faulty N102 CCONT or overloaded PURX line No No Yes Check buffer V600 R607 V600 coll RFC 13MHz clock 800mVpp min Check G602 VCXO 26MHz Yes Yes No Faulty N500 HAGAR Ok Check D302 Faulty D301 MAD2 or D311 Flash Ok Ok Faulty PCB No Yes Flash programming 1 Check the following lines M BUS X200 pin 3 X100 pin...

Страница 9: ...See section Phone dead No Yes Check for activity on control lines of SRAM J324 RAMselX Faulty D310 SRAM No No Check type of Flash Yes Yes Yes Flashing via X200 Check Vpp line X200 pin 10 R100 C349 Check D100 Yes Voltage at R100 higher than 1 7V during flashing No Faulty Flash or flashing SW has wrong version Yes Faulty D301 MAD2 or faulty D100 or flashing SW has wrong version No Faulty D301 MAD2 N...

Страница 10: ... 5 VZLWFK LJXUH 3RZHU GRHVQ W VWD RQ RU SKRQH LV MDPPHG Power doesn t stay on or phone is jammed CCONT watchdog is served J103 pulses 1 0 Software is able to run Check UI keys and displ If power is switched off after few seconds check BSI and BTEMP lines Connect J102 WDDIS to GND J109 VBB 2 8V J106 VXO 2 8V See section Phone is dead J101 PURX 1 2 8V after 60ms Check J113 SLEEPCLK 32KHz square wave...

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Страница 12: ...DVXUHPHQWV 7KH FRQWURO OLQHV IRU 5 SDUW DUH VXSSOLHG ERWK WKH 6 VWHP VLF 0 DQG WKH 5 REED 1 0 KDQGOHV GLJLWDO FRQWURO OLQHV 6 QWK QD 7 3 HWF DQG REED KDQGOHV DQDORJ FRQWURO OLQHV 7 HWF 7KH 63 VRIWZDUH LV FRQVWUXFWHG VR WKDW RSHUDWLRQ VWDWHV RI 63 0 FDQ EH VHHQ LQ H WHUQDO IODJ 63 RXWSXW SLQ IWHU SRZHU XS 63 LQGLFDWHV DOO WKH FRPSOHWHG IXQFWLRQV E FKDQJLQJ WKH VWDWH RI WKH SLQ DV VKRZQ LQ ILJXUHV E...

Страница 13: ...ooting NHM 3 2ULJLQDO 1RNLD 0RELOH 3KRQHV WG 3DJH 1 2 3 MAD2 DSPXF J314 MAD2 DSPXF J314 MAD2 DSPXF J314 i initia patch downloa d constan downloa initializa don synchronizati O chann scan PSW searc last O send RACH RACH OK go SDCCH imediate O ...

Страница 14: ...ck analog data signals during RX slot R510 RxIN Cobba 0 1 5V DC C519 RxIP Cobba 0 1 5V DC Received signal is biased to DC nominal amplitude 50mVpp freq 67 71MHz Check RF control lines during TX slot R518 TxC Cobba 0 2 3V max R512 TxP MAD2 0 1 2 8V Check analog data signals during TX slot TxIN Cobba TxIP Cobba TxQN Cobba TxQP Cobba Transmitted signal is biased to DC nominal amplitude 300mVpp freq 6...

Страница 15: ...DWLRQ 6 0 FDUG UHMHFWHG PHDQV WKDW WKH 75 PHVVDJH WKH ILUVW PHVVDJH LV DOZD V VHQW IURP FDUG WR SKRQH LV VHQW IURP FDUG WR SKRQH EXW WKH PHVVDJH LV VRPH KRZ FRUUXSWHG GDWD VLJQDO LV ZURQJ HWF RU IDFWRU VHW YDOXHV VWRUHG WR WKH HPXODWHG 3520 DUH QRW FRUUHFW LJXUH 6 0 UHODWHG IDXOWV Insert SIM card Voltage 1 5V on top of R121 when BSI resistor is connected Check R120 R121 C127 VSIM DATA RST and CLK ...

Страница 16: ...ejected VSIM according to spec 2 8V min 3V SIM card 4 5V min 5V SIM card Faulty N102 CCONT or faulty PCB ATR data can be seen at C162 Check X160 R160 ATR data can be seen at J300 Check N102 CCONT J311 SIM_IO Control line is 1 during ATR message Yes No No No Yes Yes Check N102 CCONT Yes Check D301 MAD2 No SIM card rejected fault 2 ...

Страница 17: ...SRAM bias 2 1V Check R206 R233 V231 C234 C236 Check MIC line to Cobba L204 C230 C231 C232 C233 C237 C238 R228 R206 Replace N240 Cobba Headset earpiece doesn t work and there isn t any mechanical problem Check Z201 R210 R213 R214 C213 Yes No Ok Replace N240 Cobba Ok Audio faults Headset microphone doesn t work and there isn t any mechanical problem R220 bias 2 1V Check R212 R201 R203 V202 C202 C203...

Страница 18: ...ation Not charging YES R121 tow ards C127 BSI N102 0 8 V when pow er is connected BSI resistor v alu e sh ould be 39K BLS 2 batt NO Check X120 R120 R122 YES R123 tow ards C126 BTEMP N102 0 5 V when pow er is connected BTEMP resistor valu e sh ou ld be47 K NO Check X120 R120 R122 YES Voltage at R105 tow ards CHAPS N100 and at R106 tow ard s C105 are sam e as VB VBATT NO Check R105 106 N100 Check PC...

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Страница 20: ... Technical Documentation 3DJH 1RNLD 0RELOH 3KRQHV WG 2ULJLQDO W QWHQQD RQQ 60 1 VW 5 6 V 3 1 1 Power Amp RX TX Switch Diplexer TX Buffer Transistors 2nd RW SAWs TX Diplexer HAGAR VCO VCTCXO EGSM TX SAW RF Key Component placement ...

Страница 21: ...PAMS Technical Documentation Trouble Shooting NHM 3 2ULJLQDO 1RNLD 0RELOH 3KRQHV WG 3DJH 5 0HDVXUHPHQW SRLQWV 1 B 1 B 60 5 60 3RXW 3 1 5 1 B3 1 B 7 9 60 7 93 1 3 1 3RXW 93 75 B 3LQ 3 DQ ...

Страница 22: ... Trouble Shooting PAMS Technical Documentation 3DJH 1RNLD 0RELOH 3KRQHV WG 2ULJLQDO 5 5 DQ 7 8 7 8 B3 97 9 2 3 1 5 95 60 5 7 3 5 4 5 9 2 287 95 287B 3 55 6 7 9 2 5 0 26 B 1 0 9 3 9 96 1B 96 1B 6 6 7 6 7 9 7 ...

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Страница 24: ...ATA SCLK SLE 1 4 1 2 2 OSC_IN OUT_CP 2 2 2 2 1 2 1 4 2 2 4 4 4 4 TXI_0 TXI_180 DET loop filter VCO AFC 26MHz INP_P_RX INM_P_RX RX TX Switch RX RX TX TX INP_G_RX INM_G_RX OUTP_P_TX OUTM_P_TX OUTP_G_TX OUTM_G_TX DNC2 DNC2 RX Filter Calibration 2 2 2 2 TXQ_0 TXQ_180 2 2 RXQ RXI OUT_BB1_I OUT_BB1_Q I_DCN2_I I_DCN2_Q C1_BB1_I C2_BB1_I C2_BB1_Q C1_BB1_Q Cp_f_I Cm_f_I Cp_f_Q Cm_f_Q Cp_dtos_I Cm_dtos_I Cp...

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Страница 27: ...nbal 66dBm Check C713 Z703 R711 No Yes Check BB No Oscilloscope LNA_G 2 4 2 8V LNAB_G 0V Yes Check RX TX Switch Z900 No Check Z700 Yes No Oscilloscope V700 RFout 2 1 2 2V V700 RFin 0 8 0 9V Yes Oscilloscope VRX 2 7V Check Hagar serial interface Check Hagar N500 Yes Check BaseBand No Check R706 R708 V700 No Check V700 Yes Change generator level to 55dBm Yes 2 2 2 2 INP_P_RX INM_P_RX RX TX Switch RX...

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Страница 29: ...RWLQJ FWLRQ H VWURNHV RQQHFW WKH SKRQH WR D 3 ZLWK D 8 3 FDEOH 6WDUW LQWHVOD 6HUYLFH 6RIWZDUH DQG Select Product Alt p Open NHM 3 Select Product Alt p Band b PCN p Select Testing Alt e RF Controls r RX ContinuousAlt r Cont Mode Ch 700Alt o 700 AGC Absolute 8 Multislot on Alt u if on remove checkmark Apply The set up should now look like this ...

Страница 30: ...42 867MHz signal from generator to antenna connector Oscilloscope at RXI Signal 300mVpp DC offset 1 2V Frequency 67 7kHz PCN chain functional Oscilloscope VRX 2 7V Check Hagar serial interface Yes Yes Yes Spectrumanalyzer V701 RFout 65dBm No No Spectrumanalyzer 1st PCN SAW out 78dBm PCN_RX 77dBm No Spectrumanalyzer T701 unbal 67dBm Check C712 L706 Z702 R712 No Yes Check Hagar N500 Yes Check BB No ...

Страница 31: ... dB gain when it is on LNA_P 0 V and LNAB_D 2 7 V If the signal applied to the antenna connector is more than 45dBm the AGC will gainstep the LNA LNA_P 2 7 V and LNAB_G 0 V which means the LNA Gain will now have negative gain loss From the LNA V701 RF out the signal is lead through the LNA output matching circuit R701 L702 and C712 through the 2nd PCN SAW Z702 In band insertion loss max 4dB to the...

Страница 32: ...t Alt p Band b GSM g Select Testing Alt e RF Controls r TX Power Level BASE Alt x b TX Continuos Alt c TX Data Type Random Alt d r Channel 38 Alt n 38 Apply Alt a 3DWK RI WKH WUDQVPLWWHG 60 VLJQDO LJXUH 7UDQVPLWWHG 60 VLJQDO DET RX TX Switch RX RX TX TX OUTP_D_TX OUTM_D_TX OUTP_G_TX OUTM_G_TX 2 2 Last edit 13 35 07 02 00 Open collector Open collector GSM PCN VBATTRF PWC DET TXP TXC Vpctrl_fb Vpctr...

Страница 33: ... N800 pin 2 TXVGSM Vdc 2 0 Volt Hagar Serial Interface PA N800 pin 1 TXVPCN Vdc 0 3 Volt Hagar C802 TXVDET Vdc 2 0 Volt Yes Spectrum analyser Check C821 L806 No Synthesiser Power 0 dBm 897 6 MHz Hagar Yes Spectrum analyser Check C818 R820 No EGSM TX SAW Filter Power 3 dBm 897 6 MHz Z802 Yes Spectrum analyser Check C809 Z800 No EGSM TX Buffer V801 Power 4 dBm 897 6 MHz Yes Spectrum analyser Check P...

Страница 34: ...lect Product Alt p Band b PCN p Select Testing Alt e RF Controls r TX Power Level BASE Alt x b TX Continuos Alt c TX Data Type Random Alt d r Channel 700 Alt n 700 Apply Alt a 3DWK RI WKH WUDQVPLWWHG 3 1 VLJQDO DET RX TX Switch RX RX TX TX OUTP_D_TX OUTM_D_TX OUTP_G_TX OUTM_G_TX 2 2 Last edit 13 35 07 02 00 Open collector Open collector GSM PCN VBATTRF PWC DET TXP TXC Vpctrl_fb Vpctrl_g Vpctrl_p R...

Страница 35: ...e R802 C829 TXBUF_P Vdc 2 0 Volt No Check PA N800 pin 2 TXVGSM Vdc 0 3 Volt Hagar Serial Interface PA N800 pin 1 TXVPCN Vdc 2 0 Volt Hagar C802 TXVDET Vdc 2 0 Volt Yes Spectrum analyser Check C819 C823 No Synthesiser Power 0 dBm 1747 6 MHz Hagar Yes Spectrum analyser Check C828 Z800 No PCN TX Buffer V802 Power 6 dBm 1747 6 MHz Yes Spectrum analyser Check PA N800 pin 8 No Diplex Filter Z800 Power 3...

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Страница 37: ...scope VCTCXO output G602 out 26 MHz approx 0 8 Vpp VCTCXO is dead Oscilloscope VCO Power Supply G600 Vcc 2 7 V Yes No Check CCONT Software Phone not in function Check CCONT Software Phone not in function Spectrum Analyzer VCO output G600 out Some signal between 3 and 4 GHz VCO is dead Check HAGAR wrong writting to HAGAR SCLK SDATA SLE HAGARRESET Yes No No Yes Yes No Oscilloscope Turn the phone ON ...

Страница 38: ...JUDP 64 65 NDIV ADIV ϕ charge pump RDIV CTRL SDATA SCLK SLE 1 4 1 2 2 OSC_IN OUT_CP 2 2 2 2 1 2 1 4 2 2 4 4 4 4 loop filter VCO AFC 26MHz Last edit 13 45 07 02 00 Drawing12 VDIG VPRE VCP GND_CP 2 VLO Reset INP_LO INM_LO VBB RFC VXO 1 2 TOUT VSYN_1 VSYN_2 AFC HAGARRESET SLE SCLK SDATA VCP VF_RX 3dB 2 ...

Страница 39: ...85 6 930 6 3542 4 3722 4 28 895 6 940 6 3582 4 3762 4 90 908 953 3632 3812 1003 885 8 930 8 3543 2 3723 2 29 895 8 940 8 3583 2 3763 2 91 908 2 953 2 3632 8 3812 8 1004 886 931 3544 3724 30 896 941 3584 3764 92 908 4 953 4 3633 6 3813 6 1005 886 2 931 2 3544 8 3724 8 31 896 2 941 2 3584 8 3764 8 93 908 6 953 6 3634 4 3814 4 1006 886 4 931 4 3545 6 3725 6 32 896 4 941 4 3585 6 3765 6 94 908 8 953 8...

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Страница 42: ...WLRQ H VWURNH 6HOHFW 7XQLQJ OW W RX Calibration r A window will pop up Note LQWHVOD VXSSRUW V PXVW EH RU ODWHU RQQHFW DQ H WHUQDO JHQHUDWRU WR WKH SKRQH V 5 FRQQHFWRU DQG VHW WKH JHQHUDWRU DV WKH ZLQGRZ WHOOV RX OLFN 2 LQ WKH LQWHVOD ZLQGRZ QRZ D QHZ ZLQGRZ SRSV XS KDQJH WKH OHYHO RQ WKH JHQHUDWRU DV WKH ZLQGRZ WHOOV RX Note 7KLV 7XQLQJ KDQQHO FDQ EH HGLWHG LQ WHVOD LQL ILOH UHTXHQF LV 0 HIDXOW FK...

Страница 43: ...LD 0RELOH 3KRQHV WG 3DJH OLFN 2 LQ WKH LQWHVOD ZLQGRZ QRZ D QHZ ZLQGRZ SRSV XS Click Save in the Wintesla window now a new window pops up Change the level and frequency on the generator as the window tells you Click OK in the Wintesla window now a new window pops up ...

Страница 44: ...1RNLD 0RELOH 3KRQHV WG 2ULJLQDO Change the level and frequency on the generator as the window tells you Click OK in the Wintesla window now a new window pops up Click Save in the Wintesla window RX Calibration is now completed 5 71 53 6 81 53 7 91 53 8 100 61 ...

Страница 45: ...alibrating the Baseband filter inside Hagar for this reason the calibration is not done in both bands FWLRQ H VWURNH 6HOHFW 7XQLQJ OW W RX Measurements A window now pops up Q WKH 6HOHFW XQFWLRQ IUDPH VHOHFW 5 LOWHU FDOLEUDWLRQ XWRPDWLF 1R H WHUQDO VLJQDO LV QHHGHG IRU WKLV MXVW FOLFN 0HDVXUH ZDLW D IHZ VHFRQGV DQG WKHQ FOLFN 6DYH HIDXOWV ...

Страница 46: ...NHM 3 Trouble Shooting PAMS Technical Documentation 3DJH 1RNLD 0RELOH 3KRQHV WG 2ULJLQDO 5 ILOWHU FDOLEUDWLRQ LV QRZ FRPSOHWHG DQG WKH 5 0HDVXUHPHQWV ZLQGRZ FDQ EH FORVHG E FOLFNLQJ ORVH ...

Страница 47: ...I DJDU PL HUV DQG ZLOO KDYH WR EH GRQH LQ ERWK EDQGV I IODVK RU DJDU KDYH EHHQ UHSODFHG RU XOO DFWRU VHWWLQJV KDYH EHHQ SHUIRUPHG 5 0 6XSSUHVVLRQ PXVW EH GRQH 60 FWLRQ H VWURNH Select Product Alt p Band b EGSM e Select Tuning Alt t RX Measurements A window now pops up Q WKH 6HOHFW XQFWLRQ IUDPH VHOHFW 5 5 0 6XSSUHVVLRQ XWRPDWLF OLFN 0HDVXUH DQGWKH IROORZLQJ ZLQGRZ SRSV XS ...

Страница 48: ...Q H WHUQDO JHQHUDWRU WR WKH DQWHQQD FRQQHFWRU RI WKH SKRQH DQG VHW XS WKH JHQHUDWRU OLFN 2 LQ WKH LQWHVOD ZLQGRZ WKH 566 YDOXH LV XSGDWHG LQ 5 0HDVXUHPHQW ZLQGRZ OLFN 6DYH 7KH 5 0 VXSSUHVVLRQ WXQLQJ LV QRZ FRPSOHWHG LQ 60 NOTE When using channel 38 for tuning use Frequency 952 600 MHz for AM signal ...

Страница 49: ...LD 0RELOH 3KRQHV WG 3DJH 3 1 FWLRQ H VWURNH Select Product Alt p Band b PCN p Select Tuning Alt t RX Measurements A window now pops up Q WKH 6HOHFW XQFWLRQ IUDPH VHOHFW 5 5 0 6XSSUHVVLRQ XWRPDWLF 127 LQWHVOD VXSSRUW V PXVW EH RU ODWHU OLFN 0HDVXUH ZLQGRZ QRZ SRSV XS ...

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Страница 51: ... e g Rohde Schwarz model NRVD with a Rohde Schwarz Peak Power Sensor TDMA Model NRV Z31 and a suitable attenuator The use of power meter in GSM testers is likely to cause larger error than the use of a dedicated power meter and might cause the phone to be non compliant with GSM specifications 60 FWLRQ H VWURNH Select Product Alt p Band b EGSM e Select Testing Alt e RF Controls r A window now pops ...

Страница 52: ...Set Active unit to TX Set TX Data Type to Rand Click Apply Click Close Select Tuning Alt t TX Power Alt P A window now pops up 7XQH OHYHO DQG DVH LQ DFFRUGDQFH ZLWK WKH WDUJHW YDOXHV OLFN FDOFXODWH KHFN LI WKH RWKHU OHYHOV PDWFK WKH WDUJHWV FRUUHFW LI QHFHVVDU OLFN 6DYH ZKHQ DOO YDOXHV PDWFKHV WKH WDUJHWV ...

Страница 53: ...ULJLQDO 1RNLD 0RELOH 3KRQHV WG 3DJH 3 1 FWLRQ H VWURNHV Select Product Alt p Band b PCN p Select Testing Alt e RF Controls r A window now pops up FWLRQ H VWURNHV 6HW FWLYH XQLW WR 7 6HW 7 DWD 7 SH WR 5DQG OLFN SSO OLFN ORVH 6HOHFW 7XQLQJ OW W 7 3RZHU OW 3 ...

Страница 54: ...ntation 3DJH 1RNLD 0RELOH 3KRQHV WG 2ULJLQDO A window now pops up 7XQH OHYHO DQG DVH LQ DFFRUGDQFH ZLWK WKH WDUJHW YDOXHV OLFN FDOFXODWH KHFN LI WKH RWKHU OHYHOV PDWFK WKH WDUJHWV FRUUHFW LI QHFHVVDU OLFN 6DYH ZKHQ DOO YDOXHV PDWFKHV WKH WDUJHWV ...

Страница 55: ...rouble Shooting NHM 3 2ULJLQDO 1RNLD 0RELOH 3KRQHV WG 3DJH 7 4 7XQLQJ This tuning must be done in both bands QLWLDO VHW XS 60 FWLRQ H VWURNHV Select Product Alt p Band b EGSM e Select Testing Alt e RF Controls r A window now pops up ...

Страница 56: ... 3 1 GHVFULEHG LQ DSSURSULDWH VHFWLRQ RI WKLV GRFXPHQW RPPRQ WXQLQJ SURFHGXUH IRU 60 DQG 3 1 FWLRQ H VWURNHV Select Tuning Alt t TX I Q Alt q A window now pops up 7KH FDUULHU DQG N VLJQDO VKRXOG QRZ EH WXQHG WR D PLQLPXP 7KH EXWWRQV LQ WKH 7 DQG 4 2IIVHW ZLOO FKDQJH WKH OHYHO RI WKH FDUULHU 7KH EXWWRQV LQ WKH PSOLWXGH DQG 3KDVH LIIHUHQFH ZLQGRZ ZLOO FKDQJH WKH OHYHO RI WKH N VLJQDO KHQ PLQLPXP YDO...

Страница 57: ...Technical Documentation Trouble Shooting NHM 3 2ULJLQDO 1RNLD 0RELOH 3KRQHV WG 3DJH QL WLDO VHW XS 3 1 FWLRQ H VWURNHV 6HOHFW 3URGXFW OW S Band b PCN p Select Testing Alt e RF Controls r A window now pops up ...

Страница 58: ...AMS Technical Documentation 3DJH 1RNLD 0RELOH 3KRQHV WG 2ULJLQDO Set Active unit to TX Set TX Data Type to Cont1 Click Apply Click Close R WKURXJK WKH RPPRQ WXQLQJ SURFHGXUH IRU 60 DQG 3 1 GHVFULEHG HDUOLHU RQ LQ WKLV FKDSWHU ...

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Nokia NHM-3 Series, Руководство по устранению неисправностей

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