Related Manuals for Nokia NPL-4 Series
Summary of Contents for Nokia NPL-4 Series
- Page 1 Nokia Customer Care NPL-4/5/RM-104 Series Transceivers Troubleshooting Instructions Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05...
- Page 2 NPL-4/5/RM-104 Company confidential Troubleshooting Instructions Nokia Customer Care [This page left intentionally blank] Copyright © 2005 Nokia Corporation. All rights reserved. Page 2 Issue 2 05/05...
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Page 3: Table Of Contents
EDGE ........................39 Fault finding chart for GSM1800 transmitter ............40 GMSK ........................41 EDGE ........................42 GSM1900 transmitter ....................42 General instructions for GSM1900 TX troubleshooting......... 42 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 3... - Page 4 Flashlight faults ......................84 Self tests ........................85 FCI troubleshooting ....................86 IHF troubleshooting ....................88 Compass Troubleshooting.................... 89 Calibration 1 ......................90 Calibration 2 ......................91 Sensor problems 1 ......................92 Start calibration ......................93 Copyright © 2005 Nokia Corporation. All rights reserved. Page 4 Issue 2 05/05...
- Page 5 Fig 34 NPL-4/5 BB Measurement Points, Bottom ..............61 Fig 35 MBUS........................81 Fig 36 ACI Diagram ......................83 Fig 37 Testpoints .........................94 Fig 38 Component placement .....................97 Fig 39 Trace layout......................98 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 5...
- Page 6 Fig 44 FM frequency from FM radio pin 37, the other end of L358, with FM test signal..102 Fig 45 VCO frequency from FM radio pins 3 and 4, the other ends of V356 and V357, with FM test signal.........................102 Copyright © 2005 Nokia Corporation. All rights reserved. Page 6 Issue 2 05/05...
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Page 7: Rf Troubleshooting
When using RF probe usually a good way is to use metallic tweezers to connect probe ground to PWB ground as close to measurement point as pos- sible. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 7... -
Page 8: Rf Key Component Placement
NPL-4/5/RM-104 Company confidential Troubleshooting Instructions Nokia Customer Care RF Key component placement Figure 1: Component placement 1 Copyright © 2005 Nokia Corporation. All rights reserved. Page 8 Issue 2 05/05... -
Page 9: Rf Test Points
Signal Chamber or in the Baseband Chamber. On the drawings below small points show the locations of the test points. Figure 2: Picture of the Assembled PWB with Chambers Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 9... -
Page 10: Receiver
NPL-4/5/RM-104 Company confidential Troubleshooting Instructions Nokia Customer Care Receiver Figure 3: Receiver Test Points Copyright © 2005 Nokia Corporation. All rights reserved. Page 10 Issue 2 05/05... -
Page 11: Transmitter
Company confidential NPL-4/5/ Nokia Customer Care Troubleshooting Instructions Transmitter Figure 4: Transmitter Test Points Synthesizer Figure 5: Synthesizer Test Points Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 11... -
Page 12: Rf In General
Figure 6: RF Block -Diagram RF block diagram consisting of: • RF front-end module • Power amplifier module • RF ASIC • VCTCXO module • VCO module Copyright © 2005 Nokia Corporation. All rights reserved. Page 12 Issue 2 05/05... -
Page 13: Fig 7 Rf Power Supply Configuration
DCS: 1805-1880 MHz PCS: 1930-1990 MHz 3296- 3980 DCS: 1710-1785 MHz 26 MHz VCTCXO PCS: 1850-1910 MHz VCTCXO Buffer 26 MHz I-signal Q-signal GSM: 824-849 MHz 880-915 MHz Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 13... -
Page 14: Rf Power Supply Configuration
Number of TX Power Levels GSM 850:12 8-PSK GSM 900:12 GSM 1800:14 GSM 1900:14 Sensitivity, static channel EGSM:-102 dBm (+25°C) GSM 900:-102 dBm GSM 1800:-102 dBm GSM 1900:-102 dBm Copyright © 2005 Nokia Corporation. All rights reserved. Page 14 Issue 2 05/05... - Page 15 Company confidential NPL-4/5/ Nokia Customer Care Troubleshooting Instructions Frequency Error, static channel < 0.1 ppm RMS Phase Error < 5.0 ° Peak Phase Error < 20.0 ° Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 15...
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Page 16: Receiver Verification And Troubleshooting
- Select → Testing → RSSI reading In the RSSI Reading window the “measuring mode” shall be set on Sum vector and the “reading mode” on Continuous. Copyright © 2005 Nokia Corporation. All rights reserved. Page 16 Issue 2 05/05... -
Page 17: Fig 8 Rssi Window
(Remember to compensate for the cable and jig attenuation). - Click on “Read now” in RSSI reading. The resulting RSSI level shall be – 60 dBm +/– 0.5 dB in each band. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 17... -
Page 18: Measuring Rx Performance Using Snr Measurement
> 20 dB • GSM 900: > 20 dB • GSM 1800: > 18 dB • GSM 1900: > 18 dB The set up should now look like this: Copyright © 2005 Nokia Corporation. All rights reserved. Page 18 Issue 2 05/05... -
Page 19: Measuring Front-End Power Levels Using Spectrum Analyzer
- Select → Band → GSM850 or GSM 900 or GSM1800 or GSM1900 Active unit → RX Operation mode → Continuous RX/TX Channel → 190 or 37 or 700 or 661 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 19... -
Page 20: Measuring Analogue Rx I/Q Signals Using Oscilloscope
RX/TX Channel → 190 or 37 or 700 or 661 AGC → 12 Following diagram should be displayed on an oscilloscope' s screen if the GSM 900 receiver is working properly: Figure 10: Signal Amplitudes Copyright © 2005 Nokia Corporation. All rights reserved. Page 20 Issue 2 05/05... -
Page 21: Fault Finding Chart Of The Receiver
In that case one can get a reasonable RSSI reading, although the front-end shows excessive losses. If it is not sure that incorrect re-calibration has been made, fol- lowing steps shall be done: Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 21... -
Page 22: Fig 12 Receiver Fault Chart 1
Are all 3 bands measured? Execute Rx Calibration in selected Rx chain is functional band and calibrated Are calibration results within limits? Are all 3 bands measured? Copyright © 2005 Nokia Corporation. All rights reserved. Page 22 Issue 2 05/05... -
Page 23: Fig 13 Receiver Fault Chart 2
RF levels are dependent on RF probe and have to be validated with a known good sample. sample. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 23... -
Page 24: Fig 15 Receiver Fault Chart 6
RF Controls: Active Unit: Op. Mode: Continuous Rx/Tx channel: default (mid) AGC: Signal Generator: Level: –55dBm Frequency: calculated from Phoenix no offset Continue with Rx Fault Chart 6. Copyright © 2005 Nokia Corporation. All rights reserved. Page 24 Issue 2 05/05... -
Page 25: Rx Signal Paths
850/900 input signals pass the switch to the Rx1 output. Via a switch the GSM 1800 input signals pass to Rx2 output and GSM 1900 to Rx3 output, depending on the control Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05... -
Page 26: Rx Front-End
The SAW filters have approximately 2.5 to 3.2 dB insertion losses. The LNA for the GSM 1900 band provides a gain of approximately 17 to 20 dB. Copyright © 2005 Nokia Corporation. All rights reserved. Page 26 Issue 2 05/05... -
Page 27: Rx Paths Of Rf Asic
Two PRE-GAIN amplifiers, one for GSM 850/900 and one for GSM1800 and GSM1900. • Two passive I/Q mixers (MIX), one for GSM 850/900 and one for GSM1800 and GSM1900. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 27... -
Page 28: Transmitter
TX harmonics generated by the PA. The antenna switch is a controlled by the RF ASIC using the control signals VANT1, VANT2 and VANT3. The table below shows the possible different switching states. Copyright © 2005 Nokia Corporation. All rights reserved. Page 28 Issue 2 05/05... -
Page 29: Gsm850 Transmitter
In the popped up window: Select->Band->GSM 850 -Active unit->TX -Operation mode->Burst -RX/TX Channel->190 -TX Power Level->10 -TX Data Type->Random The Phoenix window should now look like this: Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 29... -
Page 30: Edge
Select->Testing -> RF control In the popup window common values: Active unit:->TX Band: ->850 Operation mode: ->Burst RX/TX Channel:->190 In the popup window TX control values: EDGE:->ON Copyright © 2005 Nokia Corporation. All rights reserved. Page 30 Issue 2 05/05... - Page 31 Company confidential NPL-4/5/ Nokia Customer Care Troubleshooting Instructions Tx data type:->Alternate TX PA mode:->High TX Power level:->10 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 31...
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Page 32: Fault Finding Chart For Gsm850 Transmitter
Fault Finding Chart for GSM850 Transmitter In the following, it is assumed that the TXP signal is used as trigger-signal. For that a TXP test point is provided. Copyright © 2005 Nokia Corporation. All rights reserved. Page 32 Issue 2 05/05... -
Page 33: Gmsk
Z809 TX1 Check Power Loop N700RFOut_850/900) Power = +25 dBm, Check TXC 836.6MHz Spectrum analyzer Check RF-connector Pout Antenna Switch = +23 dBm, 836.6MHz (Z809) GSM850 TX Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 33... -
Page 34: Edge
Set the operating mode to the “local mode”. Select-<Testing->RF Controls Wait until the RF Controls window is popped up Select->Band->GSM 900 -Active unit->TX -Operation mode->Burst -RX/TX Channel->37 -TX Power Level->10 Copyright © 2005 Nokia Corporation. All rights reserved. Page 34 Issue 2 05/05... -
Page 35: Edge
Select operation mode to the “local”. Select->Testing-> RF control In the popup window common values: Active unit:->TX Band: ->900 Operation mode: ->Burst RX/TX Channel:->37 In the popup window TX control values: Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 35... -
Page 36: Fault Finding Chart For Gsm900 Transmitter
Fault finding chart for GSM900 transmitter In the following, it is assumed that the TXP signal is used as trigger-signal. For that a TXP test point is provided. Copyright © 2005 Nokia Corporation. All rights reserved. Page 36 Issue 2 05/05... -
Page 37: Gmsk
(PA N700 Check Power Loop RFOut_850/900) Power = +25 dBm, 897.4 Check TXC Spectrum analyzer Check RF-connector Pout Antenna Switch (Z809) = +23 dBm, 897.4 MHz GSM900 TX Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 37... -
Page 38: Edge
Set the operating mode to “local mode”. Select->Testing->RF Controls Wait until the RF Controls window is popped up Select->Band->GSM 1800 -Active unit->TX -Operation mode->Burst -RX/TX Channel->700 -TX Power Level->5 Copyright © 2005 Nokia Corporation. All rights reserved. Page 38 Issue 2 05/05... -
Page 39: Edge
Select operation mode to the “local”. Select->Testing -> RF control In the popup window common values: Active unit:->TX Band:->1800 Operation mode: ->Burst RX/TX Channel:->700 In the popup window TX control values: EDGE:->ON Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 39... -
Page 40: Fault Finding Chart For Gsm1800 Transmitter
Fault finding chart for GSM1800 transmitter In the following, it is assumed that the TXP signal is used as trigger-signal. For that a TXP test point is provided. Copyright © 2005 Nokia Corporation. All rights reserved. Page 40 Issue 2 05/05... -
Page 41: Gmsk
Check Power Loop RFOut_1800/1900) RFOut_1800/1900) Power = +22 dBm, 1747.8 Check TXC Spectrum analyzer Check RF-connector Pout Antenna Switch (Z809) = +20 dBm, 1747.8 MHz GSM 1800 TX Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 41... -
Page 42: Edge
Set the operating mode to “local mode”. Select->Testing->RF Controls Wait until the RF Controls window is popped up Select->Band->GSM 1900 -Active unit->TX -Operation mode->Burst -RX/TX Channel->661 -TX Power Level->5 -TX Data Type->Random Copyright © 2005 Nokia Corporation. All rights reserved. Page 42 Issue 2 05/05... -
Page 43: Edge
In the popup window common values: Active unit:->TX Band: ->1900 Operation mode: ->Burst RX/TX Channel:->661 In the popup window TX control values: EDGE:->ON Tx data type:->Alternate TX PA mode:->High Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 43... -
Page 44: Fault Finding Chart For Gsm1900 Transmitter
Fault finding chart for GSM1900 transmitter In the following, it is assumed that the TXP signal is used as trigger-signal. For that a TXP test point is provided. Copyright © 2005 Nokia Corporation. All rights reserved. Page 44 Issue 2 05/05... -
Page 45: Gmsk
Check Power Loop RFOut_1800/1900) Power = +22 dBm, 1747.8 Check TXC Spectrum analyzer Check RF-connector Pout Antenna Switch (Z809) = +20 dBm, 1747.8 MHz GSM 1800 TX Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 45... -
Page 46: Edge
Vdc= 0 V BOM2 VPCTRL_1900 R713 Vdc= 2.7 V Spectrum analyzer Check PA N700 RF-connector Check Power Loop Pout = +21 dBm, 1880 MHz GSM 1900 TX Copyright © 2005 Nokia Corporation. All rights reserved. Page 46 Issue 2 05/05... -
Page 47: Synthesizer
The setup should now look like this: To measure the supply voltage VR7, the tuning voltage Vc and the output frequency f VCO; see Figure : Test points of the synthesizer. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 47... -
Page 48: Reference Oscillator 26 Mhz (Vctcxo)
The reference oscillator is implemented as Voltage Controlled Temperature Compensated Crystal Oscillator (VCTCXO) module. The component (G501) is located in the Small Signal chamber. The reference oscillator has two functions: Copyright © 2005 Nokia Corporation. All rights reserved. Page 48 Issue 2 05/05... -
Page 49: Voltage Controlled Oscillator (Vco)
VCO can be detected between 3GHz and 4.4 GHz (if the VCO itself is ok and the supply voltage VR7 = 2.78V is available). Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 49... -
Page 50: Fault Finding Chart For Pll Synthesizer
It is important to note that the power supply VR3 of the VCTCXO is only switched off in the so-called ‘Deep Sleep Mode’ and the power supply VR7 of the VCO (G502) is switched off in so-called ‘Sleep Mode’. Copyright © 2005 Nokia Corporation. All rights reserved. Page 50 Issue 2 05/05... -
Page 51: Pictures Of Synthesizer Signals
Company confidential NPL-4/5/ Nokia Customer Care Troubleshooting Instructions Pictures of synthesizer signals Figure 29: 26 Mhz at G501 Pin Out Figure 30: 26 MHz RFCLK at R420/C420 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 51... -
Page 52: Fig 31 Vco Output, 1800 Band, Rx On, Continuous Output
NPL-4/5/RM-104 Company confidential Troubleshooting Instructions Nokia Customer Care Figure 31: VCO Output, 1800 Band, RX on, Continuous Output Copyright © 2005 Nokia Corporation. All rights reserved. Page 52 Issue 2 05/05... -
Page 53: Frequency Tables
893.2 3392.8 3572.8 836.0 881.0 3344.0 3524.0 848.4 893.4 3393.6 3573.6 836.2 881.2 3344.8 3524.8 848.6 893.6 3394.4 3574.4 836.4 881.4 3345.6 3525.6 848.8 893.8 3395.2 3575.2 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 53... -
Page 54: Gsm900 (Including Egsm900)
902.0 947.0 3608.0 3788.0 122 914.4 959.4 3657.6 3837.6 902.2 947.2 3608.8 3788.8 123 914.6 959.6 3658.4 3838.4 902.4 947.4 3609.6 3789.6 124 914.8 959.8 3659.2 3839.2 Copyright © 2005 Nokia Corporation. All rights reserved. Page 54 Issue 2 05/05... -
Page 55: Gsm1800
1740.4 1835.4 3480.8 3670.8 1759.2 1854.2 3518.4 3708.4 1778.0 1873.0 3556.0 3746.0 1721.8 1816.8 3443.6 3633.6 1740.6 1835.6 3481.2 3671.2 1759.4 1854.4 3518.8 3708.8 1778.2 1873.2 3556.4 3746.4 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 55... - Page 56 1784.8 1879.8 3569.6 3759.6 1728.6 1823.6 3457.2 3647.2 1747.4 1842.4 3494.8 3684.8 1766.2 1861.2 3532.4 3722.4 1728.8 1823.8 3457.6 3647.6 1747.6 1842.6 3495.2 3685.2 1766.4 1861.4 3532.8 3722.8 Copyright © 2005 Nokia Corporation. All rights reserved. Page 56 Issue 2 05/05...
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Page 57: Gsm1900
1899.0 1979.0 3798.0 3958.0 1861.6 1941.6 3723.2 3883.2 1880.4 1960.4 3760.8 3920.8 1899.2 1979.2 3798.4 3958.4 1861.8 1941.8 3723.6 3883.6 1880.6 1960.6 3761.2 3921.2 1899.4 1979.4 3798.8 3958.8 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 57... - Page 58 1906.0 1986.0 3812.0 3972.0 1868.6 1948.6 3737.2 3897.2 1887.4 1967.4 3774.8 3934.8 1906.2 1986.2 3812.4 3972.4 1868.8 1948.8 3737.6 3897.6 1887.6 1967.6 3775.2 3935.2 1906.4 1986.4 3812.8 3972.8 Copyright © 2005 Nokia Corporation. All rights reserved. Page 58 Issue 2 05/05...
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Page 59: Dc Supply Current Check
(VB_EXT) x mV/ y mA 100 uA < na > refRF02 4.1 V [ 2.95V ... 4.7V ] VBAT < na > Triple band PA Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 59... -
Page 60: Baseband Troubleshooting
NPL-4/5/RM-104 Company confidential Troubleshooting Instructions Nokia Customer Care Baseband Troubleshooting BB measurement points Figure 33: NPL-4/5 BB Measurement Points, Top Copyright © 2005 Nokia Corporation. All rights reserved. Page 60 Issue 2 05/05... -
Page 61: Fig 34 Npl-4/5 Bb Measurement Points, Bottom
Company confidential NPL-4/5/ Nokia Customer Care Troubleshooting Instructions Figure 34: NPL-4/5 BB Measurement Points, Bottom Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 61... -
Page 62: Troubleshooting Diagrams
Display faults Accessory doesn't work Accessory faults Flashlight doesn't work Flashlight faults Compass doesn't work Compass faults FCI doesn't work FCI faults Camera faults Camera doesn't work Copyright © 2005 Nokia Corporation. All rights reserved. Page 62 Issue 2 05/05... -
Page 63: Phone Is Dead
Is phone flash Phone is jammed <50mA proramming OK Flash faults Check BSI line, X100, Change Is phone in LOCAL C100, R203, UEMEk mode C220,R206 Repair Ok retest Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 63... -
Page 64: Phone Is Jammed 1
If OK change G501 Check R420, C420. If OK change N500 Measure PURX signal from testpoint J402. Change UEMEk Is it HIGH (1.8V) ? Phone is jammed Copyright © 2005 Nokia Corporation. All rights reserved. Page 64 Issue 2 05/05... -
Page 65: Phone Is Jammed 2
J412. UEMEk Is it OK ? Measure FBUSTx Change signal during phone info read from testpoint J411. Is it OK ? Change Retest UEMEk Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 65... -
Page 66: Flash Faults 1
Flash programming (TP 411) Is it HIGH (1.8V)? Change UEMEk Phone doesn't set FlashBus TxD line LOW after the Change UPP line has been set HIGH Flash faults Copyright © 2005 Nokia Corporation. All rights reserved. Page 66 Issue 2 05/05... -
Page 67: Flash Faults 2
Wrong manufacturer Change Flash ID or Device ID Phone is totally dead Phone is dead Phone doesn't start Phone is up or phone is jammed jammed Retest Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 67... -
Page 68: Sim Card Faults
UEMEk. Check SIM lines Check SIM C392, R389. If OK power up sequency. change R388. If still Is it OK ? fail change UEMEk. Change UPP Copyright © 2005 Nokia Corporation. All rights reserved. Page 68 Issue 2 05/05... -
Page 69: Charger Faults
C120, C240, Compare 25C temp. ambient R207 and value ~290-330 ? lines. Check R200 if Remove fuse F100 and measure current. Is it change ~350-390mA ? UEMEk Retest Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 69... -
Page 70: Display Faults 1
R311, R312, R366, and J302 .Is it V319. typ. 7.2V ? Retest Measure voltage from X302, pin Change X302. 9. Is it Retest typ. 7.2V ? Display faults Copyright © 2005 Nokia Corporation. All rights reserved. Page 70 Issue 2 05/05... -
Page 71: Display Faults 2
OK change (1.8V).Are they OK ? UEMEk Check signals RESX/J306, Check display control SDA/J305,SCLK/J307, lines. CSX/J304. If OK change UPP Are they OK ? Change X302 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 71... -
Page 72: Audio Fault1
Change signal from R155 earpiece pads. Is it UEMEk (UEMEk). Is it ~800mVpp? ~130mVpp? Audio faults Check C154, Change UPP and C156, R155, retest R154 and lines Copyright © 2005 Nokia Corporation. All rights reserved. Page 72 Issue 2 05/05... -
Page 73: Audio Fault 2
J110 pad. lines. Is it ~2.2V ? If OK change UEMEk Check C153, C151, R157 and lines. If OK change UEMEk. If still fail change UPP Audio faults Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 73... -
Page 74: Audio Fault 3
Check L186 & L187 IHF PA output lines. Measure AC-level Change Retest C173 & C174 UEMEk (D200) Is it ~200 mVp-p ? Retest Change IHF PA (N150) Retest Copyright © 2005 Nokia Corporation. All rights reserved. Page 74 Issue 2 05/05... -
Page 75: Keyboard Faults 1
Measure voltage from S302 when powerkey is Phone is pressed. jammed Is it HIGH ? Check S302. Change S302 Is it OK ? Keyboard Phone is faults dead Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 75... -
Page 76: Keyboard Faults 2
Check ROW0-4 lines, When keypad is X301. If OK change pressed, the LED's are Z300. If still fails change turned on ? UPP. Keyboard Display faults faults Copyright © 2005 Nokia Corporation. All rights reserved. Page 76 Issue 2 05/05... -
Page 77: Keyboard Faults 3
Measure COL0 from lines. If OK change S301 when key is pressed. Z300. Is there 50us pulse ? If still fail change UPP Change UPP Keyboard faults Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 77... -
Page 78: Keyboard Faults 4
Measure COL0 from lines. If OK change S300 when key is pressed. Z300. Is there 50us pulse ? If still fail change UPP Change UPP Keyboard faults Copyright © 2005 Nokia Corporation. All rights reserved. Page 78 Issue 2 05/05... -
Page 79: Keyboard Faults 5
Is it typ. 9.1V ? C304. If OK change N300 Measure Check V313, V314, voltage at X301 pin 15. R313, R314 Is it typ. 7.2V ? Check X301 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 79... -
Page 80: Accessory Faults1
OK ? R109, C103. If OK change UEMEk. Retest Check C107, C108, L103, C114, Audio OK ? C119, R105, R106, R164, R165, C157 Accessory if Audio fault fault Copyright © 2005 Nokia Corporation. All rights reserved. Page 80 Issue 2 05/05... -
Page 81: Fig 35 Mbus
4. Accessory is removed. Phone gets HeadInt interrupt from ACI line low to high transition. 4a) If no HeadInt interrupt comes in the next 100ms the accessory is really removed. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05... -
Page 82: Accessory Faults 2
UEMEk. Retest. Check C107, C108, C109, C117, L103, L104, C113, C114, C118, C119, R105, Audio OK ? R106, R107, R108, R164,R165, R166, R167, C157, C158 Audio fault Copyright © 2005 Nokia Corporation. All rights reserved. Page 82 Issue 2 05/05... -
Page 83: Fig 36 Aci Diagram
à phone gets HeadInt interrupt from ACI line low to high transition. 9a) If no HeadInt interrupt comes in the next 100ms the accessory is really removed and the phone goes in the state "no accessory". Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 83... -
Page 84: Flashlight Faults
Is it typ. 9.1V ? If OK change N300 Measure Check V320, V317, voltage V317/3 .Is it R315, R316, R318 typ. 5.0V ? Change V318 and/or R318 Display faults Copyright © 2005 Nokia Corporation. All rights reserved. Page 84 Issue 2 05/05... -
Page 85: Self Tests
Set phone to LOCAL mode Use Phoenix BB Self Tests. Run All Self test show now what test are failed. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 85... -
Page 86: Fci Troubleshooting
E 3 2 0 S D A = S C L (lo w , 0 V )? Y E S R e te s t Y E S E N D O K ? E n d Copyright © 2005 Nokia Corporation. All rights reserved. Page 86 Issue 2 05/05... - Page 87 Company confidential NPL-4/5/ Nokia Customer Care Troubleshooting Instructions Camera troubleshooting Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 87...
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Page 88: Ihf Troubleshooting
NPL-4/5/RM-104 Company confidential Troubleshooting Instructions Nokia Customer Care IHF troubleshooting Copyright © 2005 Nokia Corporation. All rights reserved. Page 88 Issue 2 05/05... -
Page 89: Compass Troubleshooting
Calibration Calibration problems function is successful raw value readings sensor problems succesful raw value follows sensor problems phone rotating heading angle calibration problems value is sensible Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 89... -
Page 90: Calibration 1
Nokia Customer Care Calibration 1 calibration 1 calibration place is flat Rotating speed is suitable calibration place is fix and recalibrate go to start undisturbed go sensor problem 1 Copyright © 2005 Nokia Corporation. All rights reserved. Page 90 Issue 2 05/05... -
Page 91: Calibration 2
Heading values are linear ? Immobile phone Remove external and heading value is internal activities and steady and calm? recalibrate Retest, go to start problems anymore? Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 91... -
Page 92: Sensor Problems 1
As specified? Check PWB raw values of x,y connection and if are on the range ? nessessary change the sensor N303 Retest, go to start problems anymore? Copyright © 2005 Nokia Corporation. All rights reserved. Page 92 Issue 2 05/05... -
Page 93: Start Calibration
? stop call, charging internal disruption and other intensive removed, raw actions and values are linear? relicalibrate retest, go to start problems anymore? Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 93... -
Page 94: Fig 37 Testpoints
- scorra range, normal case 1.0 to 1.2 scorrb range, normal case 0.0 to 0.2 Check compass respond with some ferrometal object - both channels must react Copyright © 2005 Nokia Corporation. All rights reserved. Page 94 Issue 2 05/05... - Page 95 - S/R pulses and Vbridge voltages are active only during the measurement phase Check measurement bridges output voltages - Voltages referred to ground must be near 1.1V and difference signal 0.0V Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 95...
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Page 96: Magic Troubleshooting
Check regulator voltage during N971, this is not MagIC active compass functionality is it 2.8V problem MagIC starts? Change MagIC N302 Retest, go to start problems anymore? Copyright © 2005 Nokia Corporation. All rights reserved. Page 96 Issue 2 05/05... -
Page 97: Fm Radio Troubleshooting
Company confidential NPL-4/5/ Nokia Customer Care Troubleshooting Instructions FM Radio Troubleshooting FM radio component layout Figure 38: Component placement Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 97... -
Page 98: Fig 39 Trace Layout
Components L103, L104, L105, C107, C108, C109, C117, C162, C163, R164, R165, R166 and R167 are not shown in the picture. Those components are placed in baseband sec- tion, near audio amplifier N150. Copyright © 2005 Nokia Corporation. All rights reserved. Page 98 Issue 2 05/05... -
Page 99: Fm Radio Troubleshooting Diagram
, 98,000 MHz ∆ - Deviation, f, 75 kHz - Modulating frequency f , 1,000 kHz (RF generator internal) - FM stereo, mode R=L, pilot state ON Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 99... - Page 100 C162 and C163. Both OK ? Change N356. Measure signal from J103 and J104. Is it OK ? E Nokia Corporation Change OK, RETEST IN FLALI radio module TB4 Copyright © 2005 Nokia Corporation. All rights reserved. Page 100 Issue 2 05/05...
- Page 101 Signal 1: Audio output from PWB test points J103 and J104, with FM test signal, volume 100%. Signal 2: Audio output from FM radio pins 22 and 23(same as in C162 and C163), with FM test signal Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 101...
- Page 102 #VBW 10 kHz #SWP 20.0 msec Figure 45: VCO frequency from FM radio pins 3 and 4, the other ends of V356 and V357, with FM test signal Copyright © 2005 Nokia Corporation. All rights reserved. Page 102 Issue 2 05/05...