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Nokia Customer Care
6-Troubleshooting
Instructions
Copyright © 2004 Nokia Corporation. All rights reserved
ISSUE 1 09/2004

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Summary of Contents for Nokia RH-59

  • Page 1 Nokia Customer Care 6-Troubleshooting Instructions Copyright © 2004 Nokia Corporation. All rights reserved ISSUE 1 09/2004...
  • Page 2 RH-59/60 Nokia Customer Care 6-Troubleshooting Instructions [This page left intentionally blank] COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 3: Table Of Contents

    Measurement points in the receiver ............... 42 RH-59 Transmitter troubleshooting ..............44 Measurement points for the transmitter ............44 General instructions for RH-59 GSM TX troubleshooting ........ 45 ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 4 Fig 33 RX900 I/Q signal waveform ............... 37 Fig 34 GSM1800 RF control window ..............38 Fig 35 GSM1800 receiver Troubleshooting chart ..........39 Fig 36 RX1800 I/Q signal waveform ..............40 COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 5 Fig 47 Figure 22: Measurement point for VCXO supply ........48 Fig 48 Figure 23: Measurement point for VCXO output ........48 Fig 49 Measurement point for PLL................ 49 ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 6: Fig 1 Phone Is Dead Troubleshooting

    RH-59/60 Nokia Customer Care [This page left intentionally blank] COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 7: Baseband Troubleshooting

    Nokia Customer Care Baseband Troubleshooting ■ Baseband test points This document contains the Nokia 2600 troubleshooting diagrams. Test points are described and listed in the A3 schematic diagrams. ■ Troubleshooting diagrams In this section, Troubleshooting diagrams is provided for the most common problems of the No- kia 2600 NOTE : Since both D200 (UEM) and D400(UPP) are underfilled, they can not be replaced.
  • Page 8: Phone Is Dead

    Check : R426 26 MHz clock min. 300mVACpp, C227, PWB. probe Cin=10-13 pF/10M Else defective D200* Check : D450 (Flash). Else defective D200* Figure 1:Phone is dead troubleshooting COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 9: Flash Programming Do Not Work

    Phoenix. PW B. Else defictive D400* Reading OK? Try reading Flash ID Check : w ith Phoenix. Replace D450 Reading OK? Reflash phone Figure 2:Flash programming fault ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 10: Power Does Not Stay On Or Phone Is Jammed

    Lightguide, PWB. to pressure? Else defective D400* R426 Check : 26 MHz clock min. C420, C426, R420, 300mVACpp, R426, N600(Mjoelner) probe Cin=10-13 pF/10M Reflash phone Figure 3:Phone jammed troubleshooting COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 11: Display Information : "Contact Service

    Flash checksum Reflash phone PWB. Else defective D450 (FLASH) ASIC version vs. compilation flag, PMM checksum PMM validity Warrenty Information State SIM-Lock Figure 4:Troubleshooting when Contact Service message seen ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 12: The Phone Do Not Register To The Network, Or The Phone Cannot Make A Call

    Check analog signals during R610, R611,PW B. GSM-frame (TX slot): Else defective D200* TXIP/N (R610) = 1-1,75VDC or D400* TXQP/N (R611) = 1-1,75VDC Check RF Figure 5:No call troubleshooting COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 13: Sim Related Faults

    Else defective D200* (See illustration below) SIM Interface OK Figure 7:Signal diagram Check for SIM voltage during power-up Ch1 : VSIM Ch3 : CLOCK Ch2 : RESET Ch4 : DATA ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 14: Sim-Card Rejected

    For reference a picture with normal SIM power-up is shown below. Normal SIM power-up sequence Ch1 : VSIM Ch3 : CLOCK Ch2 : RESET Ch4 : DATA Figure 8:Signal diagram COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 15: Audio Related Faults 1: Earpiece And Microphone

    R165 towards UEM (bias) Else defctive D200* = 2,1V R153 Check : Check voltage level on R153, R157,C151, C152, R153 towards mic-lines (bias) C153, C154, PWB. = 1,0V - 1,4V ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 16: Audio Related Faults 2: Headset

    R166, R151, C171 = 1,0V - 1,4V R152, R165, R168, C172, C170, C173, Replace : C174, Z101 Defective component Check XMIC line to UEM (D200) Error still present Defective D200* COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 17: Charging Failure Troubleshooting

    Phone is ON or OFF - battery nominal voltage (~3,6VDC) and no current from charger when connected Check : L100 F100, L100, V100, C100, VCHAR > 3,6VDC R200, System-connector. Defective D200 or D400* ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 18: Charging Troubleshooting 2

    D200 same as VBAT voltage Else defective D200*v R200 Check : Voltage rises slowly on PWB. R200 towards D200 when Else defective D200* charger is connected. Check : COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 19: General Rf Troubleshooting

    In the following both the name EGSM and GSM850 will be used for the lower band and both PCN and GSM1900 will be used for the upper band. ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 20: Rf Key Component Placement

    PCN RX SAW Z602 EGSM RX SAW Z603 EGSM TX SAW B600 26 MHz crystal G600 VCO ( 4.0 GHz UHF VCO ) N700 Power Amplifier (PA) Z700 RX/TX switch COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 21: Fig 16 Gsm850 Rf Controls Window

    RH-59/60 Nokia Customer Care Refer to the picture below for measuring points at the UEM (D200). Figure 14:Supply points at UEM (D200) Figure 15:Supply point at Mjoelner (N600) ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 22: Fig 17 Gsm850 Receiver Troubleshootingt

    RH-59/60 Nokia Customer Care [This page left intentionally blank] COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 23: Rh-60 Receiver Troubleshooting

    RF Controls .Band GSM 850 RX .Continuous mode Channel 190 .AGC 8 FEG ON + 46 dB The setup should now look like this: Figure 16:GSM850 RF controls window ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 24: Troubleshooting Diagram For Gsm850 Receiver

    SAW filter output Z602 -65dBm Spectrum analyzer Check check signal after Inductor inductors L603, L602 L602 and L603 -65DbM Oscilloscope VRX 2.7V Check Check Mjoelner Baseband serial interface COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 25: Fig 20 Gsm1900 Receiver Troubleshooting Diagram

    By measuring with an oscilloscope at RXIP or RXQP on a working GSM 850 receiver this pic- ture should be seen. Signal amplitude peak-peak 789 mV DC offset 1.2 V Figure 18:RX850 I/Q signal waveform ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 26: General Instructions For Rh-60 Gsm1900 Rx Troubleshooting

    RF Controls .Band GSM 1900 RX .Continuous mode Channel 661 .AGC 8 FEG ON + 46 dB The setup should now look like this: Figure 19:GSM1900 RF controls COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 27: Troubleshooting Diagram For Gsm1900Receiver

    SAW filter output Z601 -65dBm Spectrum analyzer Check check signal after Inductor inductors L601, L611 L601 and L611 -65DbM Oscilloscope VRX 2.7V Check Check Mjoelner Baseband serial interface ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 28: Fig 24 Rx I/Q Signals, Baseband Shielding Can Uem (D200)

    By measuring with an oscilloscope at RXIP or RXQP on a working GSM 1900 receiver this pic- ture should be seen. Signal amplitude peak-peak 460 mV DC offset 1.2 V Figure 21: RX1900 I/Q signal waveform COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 29: Measurement Points In The Receiver

    RH-59/60 Nokia Customer Care Measurement points in the receiver Figure 22:RX measurements point at the RX/TX Switch - Z700 Figure 23:Measurements points at the RX-Filters – Z601/Z602 ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 30: Fig 27 :Gsm850 Rf Controls Window

    RH-59/60 Nokia Customer Care Figure 24:RX I/Q signals, baseband shielding can UEM (D200) COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 31: Transmitter Troubleshooting

    Measurement points for the transmitter Figure 25: TX measurement points in the PA ( N700 ) shielding can Power amp. Figure 26:TX measurement point in Mjolner (N600) shielding can ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 32: General Instructions For Rh-60 Gsm Tx Troubleshooting

    Select File and Product: Gemini Select: Maintenance, Testing and RF Controls Band:GSM 850 Active Unit:TX Tx Power Level:5 Tx Data Type:Random Your screen should look like: Figure 27::GSM850 RF controls window COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 33: Gsm850 Tx Output Power

    GSM850 TX output power Measure the output power of the phone; it should be around 32.1 dBm. Remember the loss in the jig; around 0.3 dB. Figure 28:VPCTRL_G & TXC ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 34: General Instructions For Rh-60 Gsm1900 Tx Troubleshooting

    Figure 29:GSM1900 RF controls screen shot GSM1900 TX output power Measure the output power of the phone. It should be around 29.7 dBm. Remember the loss in the jig; around 0.7 dB. COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 35: Troubleshooting Diagram For Gsm1900 Tx

    RH-59/60 Nokia Customer Care ■ Troubleshooting diagram for GSM1900 TX Figure 30:GSM1900 TX troubleshooting ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 36: Fig 32 Egsm Receiver Troubleshooting Chart

    RH-59/60 Nokia Customer Care [This page left intentionally blank] COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 37: General Instructions For Rh-59 Gsm900 Rx Troubleshooting

    RH-59/60 Nokia Customer Care General Instructions for RH-59 GSM900 RX Trouble- shooting Connect the phone to a PC with the module repair jig. Start Phoenix and establish connection to the phone Phoenix commands RF Controls .Band GSM 900 RX .Continuous mode Channel 37.
  • Page 38: Troubleshooting Chart For Gsm900 Receiver

    SAW filter output Z602 -65dBm Spectrum analyzer Check check signal after Inductor inductors L603, L602 L602 and L603 -65DbM Oscilloscope VRX 2.7V Check Check Mjoelner Baseband serial interface COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 39: Fig 35 Gsm1800 Receiver Troubleshooting Chart

    By measuring with an oscilloscope at RXIP or RXQP on a working GSM 900 receiver this pic- ture should be seen. Signal amplitude peak-peak 789 mV DC offset 1.2 V Figure 33:RX900 I/Q signal waveform ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 40: General Instructions For Gsm1800 Rx Troubleshooting

    RF Controls .Band GSM 1800 RX .Continuous mode Channel 700 .AGC 8 FEG ON + 46 dB The setup should now look like this: Figure 34:GSM1800 RF control window COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 41: Troubleshooting Chart For Gsm1800Receiver

    SAW filter output Z602 -65dBm Spectrum analyzer Check check signal after Inductor inductors L603, L602 L601 and L611 -65DbM Oscilloscope VRX 2.7V Check Check Mjoelner Baseband serial interface ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 42: Measurement Points In The Receiver

    Signal amplitude peak-peak 460 mV DC offset 1.2 V Figure 36:RX1800 I/Q signal waveform Measurement points in the receiver Figure 37:RX measurements point for the RX/TX Switch - Z700 COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 43 RH-59/60 Nokia Customer Care Figure 38:Measurements points for the RX-Filters – Z601/Z602 Figure 39:RX I/Q Signals, baseband shielding can UEM (D200) ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 44: Transmitter Troubleshooting

    RH-59 Transmitter troubleshooting Measurement points for the transmitter Figure 40: TX measuremnet points for the PA ( N700 ) shielding can Figure 41:TX measurement point for Mjolner (N600) shielding can COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 45: General Instructions For Rh-59 Gsm Tx Troubleshooting

    Nokia Customer Care ■ General instructions for RH-59 GSM TX troubleshooting Apply a RF-cable to the RF-connector to allow the transmitted signal act as normal. RF-cable should be connected to measurement equipment or to at least a 10-dB attenuator, otherwise the PA may be damaged.
  • Page 46 RH-59/60 Nokia Customer Care Figure 43:VPCTRL_G and TXC signal COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 47: Pcn Transmitter General Instructions For Pcn Tx Troubleshooting

    Troubleshooting chart for PCN transmitter: refer to Figure 30 “GSM 1900 transmitter trouble- shooting diagram on page 33. Note! The word PCS in “start” block should be PCN if this block is used for RH- 59 troubleshooting. ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 48: Synthesizer

    In order to reduce the requirements of the tuning voltage and coverage of the VCO, the VCO core is composed of four VCOs in parallel. This VCO circuit enables a very wide tun-ing range of 3.4 - 4.0 GHz . COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 49: Troubleshooting Diagram For Pll Synthesizer

    RH-59/60 Nokia Customer Care Troubleshooting diagram for PLL Synthesizer Figure 46:PLL Troubleshooting diagram ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 50: Phone Fails After Power On

    If this is not the case check the reference crystal (B600) and Mjolner (N600) as well as R425, R426, C425, C426. Measurement points for the VCXO Figure 47:Figure 22: Measurement point for VCXO supply Figure 48:Figure 23: Measurement point for VCXO output COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.
  • Page 51: Measurement Points At The Pll/Vco

    RH-59/60 Nokia Customer Care Measurement points at the PLL/VCO Figure 49:Measurement point for PLL ISSUE 1 09/2004 COMPANY CONFIDENTIAL Copyright © 2004 Nokia. All Rights Reserved.
  • Page 52 RH-59/60 Nokia Customer Care [This page left intentionally blank] COMPANY CONFIDENTIAL ISSUE 1 09/2004 Copyright © 2004 Nokia. All Rights Reserved.

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