Nokia NSB-9 Series Troubleshooting Instructions
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Nokia NSB-9 Series Troubleshooting Instructions

Nokia NSB-9 Series Troubleshooting Instructions

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CCS Technical Documentation
NSB-9 Series Transceivers
Troubleshooting Instructions
Nokia Corporation
Issue 1 04/03

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Summary of Contents for Nokia NSB-9 Series

  • Page 1 CCS Technical Documentation NSB-9 Series Transceivers Troubleshooting Instructions Nokia Corporation Issue 1 04/03...
  • Page 2 NSB-9 Troubleshooting Instructions CCS Technical Documentation [This page left intentionally blank] Nokia Corporation Page 2 Issue 1 04/03...

  • Page 3: Table Of Contents

    Phone is dead ......................55 Flash faults .........................56 Phone is jammed ......................58 Charging fault ......................60 SIM card fault ......................61 Audio faults .......................62 Display faults ......................70 Keypad faults ......................72 Flip faults ........................76 FM Radio doesn’t work .....................78 Nokia Corporation Issue 1 04/03 Page 3...

  • Page 4: Rf Troubleshooting

    (shape of radiator metal) is needed to verify that antenna is GSM850/1900 antenna - not GSM900/1800 used in similar European product. Both antennas behave very simi- larly in MJF-32 jig so it may be impossible to distinguish them by doing measurements over air interface. Nokia Corporation Page 4 Issue 1 04/03...

  • Page 5: Troubleshooting In Case Of Rf Tuning Fail

    TX IQ Tuning TX IQ tuning fails, if IQ-spikes in the spectrum can't be tuned low enough. If replacing Hagar doesn't help with this issue, VCO component (G650) and components around it Nokia Corporation Issue 1 04/03 Page 5...

  • Page 6: Tx 850 Troubleshooting

    TX 850 Troubleshooting Phoenix commands RF Controls ⇒ Band GSM 850 TX ⇒ Burst mode Channel 190 ⇒ TX Power Level 10 TX PA Mode Free ⇒ TX Data Random Nokia Corporation Page 6 Issue 1 04/03...
  • Page 7 Check Hagar ASIC Hagar ASIC SHF VCO supply voltages at N600 G650 TP4, TP5, TP6, TP8: 2.78 VDC ± 3% TP10: 1.35 VDC ± 2% Start baseband TP1: 4.75 VDC ± 3.2% troubleshooting (UEM) Nokia Corporation Issue 1 04/03 Page 7...
  • Page 8 TP61 L750 836.6 MHz Check antenna switch Check TX output Change Hagar control signal at TP62 signal at TP30 ASIC 2.78 V squarewave 836.6 MHz N600 Change antenna TX is ok switch Z500 Nokia Corporation Page 8 Issue 1 04/03...

  • Page 9: Tx1900 Troubleshooting

    CCS Technical Documentation Troubleshooting Instructions TX1900 TROUBLESHOOTING Phoenix commands RF Controls ⇒ Band GSM 1900 TX ⇒ Burst mode Channel 661 ⇒ TX Power Level 10 TX PA Mode Free ⇒ TX Data Random Nokia Corporation Issue 1 04/03 Page 9...
  • Page 10 Check Hagar ASIC Hagar ASIC SHF VCO supply voltages at N600 G650 TP4, TP5, TP6, TP8: 2.78 VDC ± 3% TP10: 1.35 VDC ± 2% Start baseband TP1: 4.75 VDC ± 3.2% troubleshooting (UEM) Nokia Corporation Page 10 Issue 1 04/03...
  • Page 11 TP28 L750 1880 MHz Check antenna switch Check TX output Change Hagar control signal at TP29 signal at TP30 ASIC 2.78 V squarewave 1880 MHz N600 Change antenna TX is ok switch Z500 Nokia Corporation Issue 1 04/03 Page 11...

  • Page 12: Rx850 Troubleshooting

    NSB-9 Troubleshooting Instructions CCS Technical Documentation RX850 troubleshooting Phoenix commands RF Controls ⇒ Band GSM 850 RX ⇒ Continuous mode Channel 190 ⇒ AGC 8 FEG ON + 46 dB Nokia Corporation Page 12 Issue 1 04/03...
  • Page 13 LNA output TP66 ok, change Hagar TP67 2.6 VDC 881.667 MHz ASIC N600 Check LNA V500 and other components around it Check RX signal at filter output TP68 Change filter Z501 881.667 MHz Nokia Corporation Issue 1 04/03 Page 13...
  • Page 14 2.78 VDC ± 3% TP10: 1.35 VDC ± 2% Start baseband TP1: 4.75 VDC ± 3.2% troubleshooting (UEM) Check SDATA at Start baseband TP51, SCLK TP52, troubleshooting (UPP) SLE TP53 Change Hagar ASIC N600 Nokia Corporation Page 14 Issue 1 04/03...

  • Page 15: Rx1900 Troubleshooting

    NSB-9 CCS Technical Documentation Troubleshooting Instructions RX1900 Troubleshooting Phoenix commands RF Controls ⇒ Band GSM 1900 RX ⇒ Continuous mode Channel 661 ⇒ AGC 8 FEG ON + 46 dB Nokia Corporation Issue 1 04/03 Page 15...
  • Page 16 TP34 2.6 VDC LNA output TP33 Hagar ASIC N600 TP35 0 VDC 1960.067 MHz Check LNA V550 and other components around it Check RX signal at filter output TP36 Change filter Z551 1960.067 MHz Nokia Corporation Page 16 Issue 1 04/03...
  • Page 17 2.78 VDC ± 3% TP10: 1.35 VDC ± 2% Start baseband TP1: 4.75 VDC ± 3.2% troubleshooting (UEM) Check SDATA at Start baseband TP51, SCLK TP52, troubleshooting (UPP) SLE TP53 Change Hagar ASIC N600 Nokia Corporation Issue 1 04/03 Page 17...

  • Page 18: Figures Of Signals And Voltages In Testpoints

    NSB-9 Troubleshooting Instructions CCS Technical Documentation Figures of signals and voltages in testpoints Figure 5: TP20: 26 MHz VCTCXO output signal Figure 6: TP21: TX I/Q signal Nokia Corporation Page 18 Issue 1 04/03...
  • Page 19 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 7: TP22: TX1900 modulator output signal Figure 8: TP23: TXC signal from UEM ASIC Nokia Corporation Issue 1 04/03 Page 19...
  • Page 20 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 9: TP24: TX850 modulator output signal Figure 10: TP25: TX1900 PA output signal Nokia Corporation Page 20 Issue 1 04/03...
  • Page 21 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 11: TP 26: TX1900 PA power control signal Figure 12: TP27: TX850 PA power control signal Nokia Corporation Issue 1 04/03 Page 21...
  • Page 22 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 13: TP 28: TX1900 signal at coupler output Figure 14: TP29: Antenna switch control signal in TX1900 mode Nokia Corporation Page 22 Issue 1 04/03...
  • Page 23 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 15: TP30: TX850 signal at antenna pad Figure 16: TP30: TX1900 signal at antenna pad Nokia Corporation Issue 1 04/03 Page 23...
  • Page 24 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 17: TP31: RX1900 signal at antenna switch output Figure 18: TP32: RX1900 signal at dual SAW filter output Nokia Corporation Page 24 Issue 1 04/03...
  • Page 25 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 19: TP33: RX1900 signal at LNA output Figure 20: TP34, TP35: RX1900 LNA control signals (Burst mode) Nokia Corporation Issue 1 04/03 Page 25...
  • Page 26 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 21: TP36: RX1900 signal at 2nd band filter output Figure 22: TP37: RX IQ signal (Burst Mode) Nokia Corporation Page 26 Issue 1 04/03...
  • Page 27 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 23: TP37: RX IQ signal (GSM850, Continuous Mode, Signal level -90 dBm) Figure 24: TP37: RX IQ signal (GSM1900, Continuous Mode, Signal level -90 dBm) Nokia Corporation Issue 1 04/03 Page 27...
  • Page 28 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 25: TP40: SHF VCO output signal in TX850 mode Figure 26: TP40: SHF VCO output signal in TX1900 mode Nokia Corporation Page 28 Issue 1 04/03...
  • Page 29 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 27: TP40: SHF VCO output signal in RX850 mode Figure 28: TP40: SHF VCO output signal in RX1900 mode Nokia Corporation Issue 1 04/03 Page 29...
  • Page 30 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 29: TP51,52,53: SDATA, SCLK and SLE signals in GSM850/1900 mode Figure 30: TP60: TX850 PA Output Signal Nokia Corporation Page 30 Issue 1 04/03...
  • Page 31 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 31: TP61: TX850 signal at coupler output Figure 32: TP62: Antenna switch control signal in TX850 mode Nokia Corporation Issue 1 04/03 Page 31...
  • Page 32 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 33: TP 63: RX850 signal at antenna switch output Figure 34: TP 64: RX850 signal at dual SAW filter output Nokia Corporation Page 32 Issue 1 04/03...
  • Page 33 NSB-9 CCS Technical Documentation Troubleshooting Instructions TP 65, 67: RX850 LNA control signals (Burst mode) Figure 35: TP 66: RX850 signal at LNA output Nokia Corporation Issue 1 04/03 Page 33...
  • Page 34 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 36: TP68: RX850 signal at 2nd band filter output Nokia Corporation Page 34 Issue 1 04/03...

  • Page 35: Fm Radio Troubleshooting

    NSB-9 module jig MJS-48, power and DAU-9S cables DC power supply 3.9 VDC >3A Digital multimeter (DMM) Audio Analyzer Oscilloscope with 1 MHz 1:1 probe PC with Phoenix software Headset (HDB-4 or HDS-3) Nokia Corporation Issue 1 04/03 Page 35...

  • Page 36: Fm Radio Schematics

    NSB-9 Troubleshooting Instructions CCS Technical Documentation FM RADIO SCHEMATICS Figure 37: Input signal connection to antenna (headset cable) Figure 38: Input signal single to differential conversion Nokia Corporation Page 36 Issue 1 04/03...
  • Page 37 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 39: VCO components Figure 40: Connection to UPP Nokia Corporation Issue 1 04/03 Page 37...
  • Page 38 NSB-9 Troubleshooting Instructions CCS Technical Documentation Figure 41: Audio signal output Nokia Corporation Page 38 Issue 1 04/03...

  • Page 39: Fm Radio Layout

    Figure 43: Components on PWB Note! Components L105, L106, L107, L108, L109, C108, C109, C110, C111, R164, R165, R166, R167, R170 and R171 are not shown in the picture. Components are placed near audio amplifier N150. Nokia Corporation Issue 1 04/03 Page 39...
  • Page 40 J359, FMCLK AUDIO AMPLIFIER J356, FMCTRLDA J358, FMWREN HSEAR R HSEAR L J357, FMCTRLCLK VFLASH2 FM RADIO R FM RADIO L J104, HSEAR P J103, HSEAR R N J105, FM RADIO ANTENNA INPUT Nokia Corporation Page 40 Issue 1 04/03...
  • Page 41 0.5…0.8 Vpp? Replace TEA5767 1 kHz and amplitude (N356) 0.015…0.3 Vpp? Re-check audio signal (0.5…0.8 Vpp at C170 and C171) in 88.1 MHz and 107.9 MHz. FM radio is OK Replace transceiver NSB-9 Nokia Corporation Issue 1 04/03 Page 41...

  • Page 42: Reference Measurement Results

    Signal 1: Audio output signal at PWB test points J103 and J104 (FM test signal, audio volume 100%) Signal 2: Audio output at FM radio pins 22 and 23 (same signal as in C170 and C171) Nokia Corporation Page 42 Issue 1 04/03...
  • Page 43 CENTER 98.0000 MHz SPAN 300.0 kHz TV TRIG #RES BW 10 kHz VBW 10 kHz #SWP 1.00 sec FM modulated test signal at FM radio ASIC pin 37, at the other end of L358 Nokia Corporation Issue 1 04/03 Page 43...
  • Page 44 CENTER 196.450 MHz SPAN 1.000 MHz TV TRIG #RES BW 10 kHz #VBW 10 kHz #SWP 20.0 msec VCO frequency at FM radio pins 3 and 4, at the other ends of V356 and V357 Nokia Corporation Page 44 Issue 1 04/03...

  • Page 45: Baseband Troubleshooting

    CCS Technical Documentation Troubleshooting Instructions Baseband Troubleshooting PWB Test points Figure 50: Flash programming testpoints J101, BSI VBAT J102, BTEMP FBUS RX FBUS TX MBUS J1, RESET J2, RFBUSDA J3, RFBUSCLK J4, RFBUSEN1 Nokia Corporation Issue 1 04/03 Page 45...
  • Page 46 J412, FBUSRX J100, VBAT J405, UEMINT J409, MBUSTX J414, DBUSDA J404, SLEEPCLK J413, DBUSCLK J411, FBUSTX J419, FLSCLK J415, DBUSEN1X VCORE J418, FLS2CSX VFLASH2 J420, FLSCSX J402, PURX J416, EXTWRX J403, SLEEPX J417, EXTRDX Nokia Corporation Page 46 Issue 1 04/03...
  • Page 47 NSB-9 CCS Technical Documentation Troubleshooting Instructions Figure 52: SIM testpoints VSIM J404, SLEEPCLK J407, CBUSDA J408, CBUSENX J402, PURX J406, CBUSCLK SIMIODA SIMRST SIMCLK VSIM SIMRST Nokia Corporation Issue 1 04/03 Page 47...
  • Page 48 J308 J306 J302 FLIP CLOCK FLIP VBAT FLIP DATA FLIP GND J303 J307 J305 J301 J153, CLK J152, ENB J154, DATA Audio amplifier N301 HALL-SENSOR control lines, some are placed under dome sheet Nokia Corporation Page 48 Issue 1 04/03...
  • Page 49 Troubleshooting Instructions V319 UPPER FLIP VBAT SWITCH J150, IHF - J151, IHF + V319 LOWER FLIP VBAT SWITCH J331, HALL SENSOR OUTPUT VIBRA VBAT J106, MICN UEM VIBRA J107, MICP X102 PIN 1 VCHAR Nokia Corporation Issue 1 04/03 Page 49...
  • Page 50 Signal Name Function Test Point Signal Characteristics Notes CBUSCLK Serial clock J406 1.8-0V, 1MHz digital clock Controlled by MCU signal CBUSDA Serial data input/output J407 1.8-0V, digital signal Controlled by MCU Nokia Corporation Page 50 Issue 1 04/03...
  • Page 51 DBUSEN1X DBUS selection and enable J415 1.8-0V, digital signal Controlled by DSP MBUSRX MBUS from UEM to UPP J410 1.8-0V, digital signal MBUSTX MBUS from UPP to UEM J409 1.8-0V, digital signal Nokia Corporation Issue 1 04/03 Page 51...

  • Page 52: Troubleshooting Steps

    The first thing to do is to carry out a thorough visual check of the module. Ensure in par- ticular that: 1. there is no any mechanical damages 2. soldered joints are OK Nokia Corporation Page 52 Issue 1 04/03...

  • Page 53: Main Troubleshooting Tree

    Troubleshooting Instructions Main troubleshooting tree Phone is Phone totally dead is dead Flash Flash programming faults doesn´t work Phone doesn´t Phone start up or the phone is jammed jammed Charging doesn´t work Charging fault Nokia Corporation Issue 1 04/03 Page 53...
  • Page 54 Troubleshooting Instructions CCS Technical Documentation Phone doesn´t card read SIM card fault Audio Audio faults faults Display Display or faults LED´s doesn´t work Keypad Keypad faults doesn´t work FM Radio Radio doesn´t work faults Nokia Corporation Page 54 Issue 1 04/03...

  • Page 55: Phone Is Dead

    Phone current is < 26mA jammed Flash fauItIs Phone current is 26-30mA Check BSI line X100, C114, Is phone in Change UEM R202, C240, LOCAL mode R206 Are they Retest Change defect part Nokia Corporation Issue 1 04/03 Page 55...

  • Page 56: Flash Faults

    Flash if OK, programming from Change testpoint J411. Is it ~1.8V Change The phone does not set FBUSTX Change line low after the line has been high. Flash faults page 2 Nokia Corporation Page 56 Issue 1 04/03...
  • Page 57 Troubleshooting Instructions Flash faults page 2 Wrong Change manufactor ID FLASH and Device ID Is the phone Phone totally dead? is dead Phone doesn´t Phone start up or the phone is jammed jammed? Retest Nokia Corporation Issue 1 04/03 Page 57...

  • Page 58: Phone Is Jammed

    RFClk from C660. R660, C660 and Is it OK? VR3 line. If OK, change G660. Check R420, C420. If OK change N600 Measure PURX signal from testpoint J402.Is it Change UEM high (~1.8V)? Jammed page2 Nokia Corporation Page 58 Issue 1 04/03...
  • Page 59 Change UEM Is it OK? phone info read from testpoint 412. Is it OK? Retest Measure FBUSTX signal during phone Change UPP info read from testpoint J411. Is it Change UEM Nokia Corporation Issue 1 04/03 Page 59...

  • Page 60: Charging Fault

    Are they OK? Change defect , re-calibrate and retest Measure charger Check R200. Is current through F100. Change UEM it OK? Is it ~350...390mA with ACP-7? with ACP-7? Change defected part, Retest recalibrate charge current/voltage. Nokia Corporation Page 60 Issue 1 04/03...

  • Page 61: Sim Card Fault

    If OK, change X386. Is it R388. If still fail, ~3.0V change UEM. Check SIM Check SIM lines power-up X386. If OK, sequence. Is it change R388. If still fail, change UEM. Retest Change UPP Nokia Corporation Issue 1 04/03 Page 61...

  • Page 62: Audio Faults

    Check L103, R161, Measure MICB2 voltage C163, C162, R156, from XMICP (X102 / R157, C158, C152, pin10). Is it ~1.9V with C159 and line. If OK headset? -> change UEM Earpiece 2 Audio faults 2 Nokia Corporation Page 62 Issue 1 04/03...
  • Page 63 C180, C181 If signal from (XMICP). Is it still fail, change earpiece pads. Is ~110mVpp? it ~190mVpp? Check L103, L104, R161, C163, C162, R156, R157, C158, C152, C159 and corresponding componenets from XMICN line. Retest Nokia Corporation Issue 1 04/03 Page 63...
  • Page 64 J152, J153, If NOK change J154. Is it OK? radio module TB9 Audio IHF 2 faults 3 Change N150 1) If not working set first “All outputs off” and after that “IHF speaker” Nokia Corporation Page 64 Issue 1 04/03...
  • Page 65 Check C174, Change defect signal from IHF C179, C178, R163 part and retest speaker pads and XAUDIO(7) J150, J151. Is it line. Are they OK? ~810mVpp? Change UEM and retest Retest Nokia Corporation Issue 1 04/03 Page 65...
  • Page 66 J152, J153, J154. Is radio module it OK? Audio Ext. audio faults 4 out 2 Change N150 2) If not working set first “All outputs off” and after that “HP speaker”, after that insert headset again Nokia Corporation Page 66 Issue 1 04/03...
  • Page 67 Check C174, sine signal from C169 and Change defect HSEAR P&N and XAUDIO(7) line. HSEAR R P&N part and retest speaker pads. Is it Are they OK? ~60mVpp? Change UEM and retest Retest Nokia Corporation Issue 1 04/03 Page 67...
  • Page 68 HSEAR R lines. Is it change UEM ~160mVpp with headset? Audio faults 5 Retest 3) If you don’t get such a small signal out from signal generator, use resistor network to attenuate signal Nokia Corporation Page 68 Issue 1 04/03...
  • Page 69 Check L103, R161, C163, C162, R156, Retest R157, C158, C152, C159 and also corresponding componenets from 4) If not working set “Loops Off” and after that “Ext in HP out” again XMICN line line. Change defect part. Nokia Corporation Issue 1 04/03 Page 69...

  • Page 70: Display Faults

    Check LED driver Check control control signal from signal line. If OK N300 pin 8. change UEM. Is it high? Display faults 2 Check N300, C301, V300, L300, C302, R318 and change defect componenet Nokia Corporation Page 70 Issue 1 04/03...
  • Page 71 Check C305, C306 Measure VDD (2.78V) and and lines. If OK, VDDI (1.8V). change UEM. Are they OK? Measure XRES, Check X300 and XCS, SI. Are lines. voltage levels If OK, change UPP. ~1.8V? Nokia Corporation Issue 1 04/03 Page 71...

  • Page 72: Keypad Faults

    If OK change UEM. Measure Check S336. voltage from Phone Is it OK? S336 when is dead key is pressed. Is it high? Change S336 Keypad Phone faults 2 jammed Nokia Corporation Page 72 Issue 1 04/03...
  • Page 73 (J305). Is it ~1.8V Check R300, R302, Check with Z300, genio17/18 lines oscilloscope that data and R319 pull-up to VIO is flowing, data shape (~1.8V). If ok change and levels are OK. Keypad Retest faults 3 Nokia Corporation Issue 1 04/03 Page 73...
  • Page 74 Check L310, L312, Check with R300, R302, Z300, oscilloscope that data genio17/18 lines and is flowing, data shape R319 pull-up to VIO and levels are OK. (~1.8V). If ok change Keypad faults 4 Retest Nokia Corporation Page 74 Issue 1 04/03...
  • Page 75 Check switch and lines of faulty key. In case of column 4 or 5 check also R330, Change R331, R315. If OK change Z301. If still not OK change Keypad UPP. faults 5 Nokia Corporation Issue 1 04/03 Page 75...

  • Page 76: Flip Faults

    KEYB1 line. ~2.75V? Are they OK? Change N301 Change N301 if Change defect not still OK part and retest. Check line change UEM between N301/pin3 and V320/pin5. Is it Change TB9 Retest module Nokia Corporation Page 76 Issue 1 04/03...
  • Page 77 Are they ~2.75V? Change N301 Change N301 if Change defect not still OK part and retest. change UEM Check line between N301/pin3 and UEM KEYB1 line. Is it OK? Change TB9 Retest module Nokia Corporation Issue 1 04/03 Page 77...

  • Page 78: Fm Radio Doesn't Work

    NSB-9 Troubleshooting Instructions CCS Technical Documentation FM Radio doesn’t work See page 35, FM Radio troubleshooting. Nokia Corporation Page 78 Issue 1 04/03...

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