Nokia RH-37 Series Baseband Troubleshooting Instructions
Nokia RH-37 Series Baseband Troubleshooting Instructions

Nokia RH-37 Series Baseband Troubleshooting Instructions

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Nokia Customer Care
RH-37 Series Transceivers
6(a) - Baseband Troubleshooting
Instructions
 2004 Nokia Corporation
Issue 1 07/04
Page 1
Company Confidential

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Table of Contents
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Summary of Contents for Nokia RH-37 Series

  • Page 1 Nokia Customer Care RH-37 Series Transceivers 6(a) - Baseband Troubleshooting Instructions  2004 Nokia Corporation Issue 1 07/04 Page 1 Company Confidential...
  • Page 2 RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care [This page left intentionally blank] Nokia Corporation Page 2 Issue 1 07/04...
  • Page 3: Table Of Contents

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Table of Contents Page No Test Points..............................5 Troubleshooting............................6 Top level flow 1 ............................. 6 Top level flow 2 ............................. 7 Phone is dead 1 ............................. 8 Phone is dead 2 ............................. 9 Flash faults 1 ............................10...
  • Page 4 RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care [This page left intentionally blank] Nokia Corporation Page 4 Issue 1 07/04...
  • Page 5: Test Points

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Test Points Nokia Corporation Issue 1 07/04 Page 5...
  • Page 6: Troubleshooting

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Troubleshooting Top level flow 1 Phone is Phone is totally dead dead? Flash Flash programming faults does not work? Phone does not Phone is start up or phone jammed is jammed?
  • Page 7: Top Level Flow 2

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Top level flow 2 Nokia Corporation Issue 1 07/04 Page 7...
  • Page 8: Phone Is Dead 1

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Phone is dead 1 Phone is dead Failure in Is VBAT=3.7VDC VBAT line, (meas. on X2000)? check: X2000 Is voltage Check: L2200 =3,7VDC at L2200 and and C2239 C2239 Is Pin 1 on Check R2423, S2419 "high"...
  • Page 9: Phone Is Dead 2

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Phone is dead 2 Dead2 Check: B2200, Is Sleep CLK on C2241, C2210, J2802 = 32.8kHz, PWB then 1.8Vpp? replace D2200 See Waveform 1 PURX=1.8VDC Replace on J2800 1sec. after D2200, PWB...
  • Page 10: Flash Faults 1

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Flash faults 1 Flash faults Measure Does the phone set the BSI pulse during Fbus TXD Flash programming. at J2809 line high after Is it OK? the startup? Check BSI line, X2000,...
  • Page 11: Flash Faults 2

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Flash faults 2 Nokia Corporation Issue 1 07/04 Page 11...
  • Page 12: Phone Is Jammed 1

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Phone is jammed 1 Phone jammed Measure VIO, VCORE, VFLASH1, Check L2200, VANA, VR3 voltages. C2239, Are they Waveform 3 BSI/BTEMP lines and VBATT lines Check VBATT1-6, VIO, VCORE, VFLASH1, VANA, Retest VR3 lines.
  • Page 13 RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions P a rt 2 S e e W a v e f o rm 5 Waveform 5 M e a s u re C h e c k R 2 9 0 2 a n d 2 6 M H z R F C lk C 2 9 0 2 .
  • Page 14: Phone Is Jammed 2

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Phone is jammed 2 Jammed Waveform 6 Measure Phone watchdog signal shutsdown after CBUSDA from 30sec? testpoint J2805. Is it ok? Waveform 7 Change UPP See Waveform 6 Measure DBUSClk 13MHz signal from testpoint J2811.
  • Page 15: Charger

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Charger If charging does not work, the cause Charger might be faulty or no calibration of BB. Therefore the calibration should be checked if the procedures in the flow chart do not help.
  • Page 16: Xpress On Grip Leds

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Xpress on Grip LEDs XPress on Grip LEDs Set phone in Local mode. Select LED Control from menu Testing using Phoenix. Turn all LEDs on. Are all LEDs on? Change UPP...
  • Page 17: Sim Card

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions SIM Card card Insert SIM card faults? Check BSI line, X2000, C2004, Does phone enter R2270, C2270, LOCAL MODE. R2273. If OK change UEM. Check VSIM line, Measure X2700, C2703, VSIM voltage C2219.
  • Page 18: Audio Faults 1

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Audio faults 1 Audio faults Is HP changing earpiece. earpiece Is it working working? now? Set phone in LOCAL mode. Use Phoenix Audio Test. Set EXT IN, HP OUT, LOOP ON...
  • Page 19: Audio Faults 2

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Audio faults 2 Audio faults Change Is HP microphone. microphone Is it working working Set phone in LOCAL mode. Use Phoenix Audio Test. Set Hp microphone in, Ext speaker out, Loop On.
  • Page 20: Audio Faults 3

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Audio faults 3 Audio faults Set phone in LOCAL mode. Is Ext-ear Use Phoenix Audio Test. Set Ext microphone in Ext speaker working out, Loop On. Measure DC volts on Change UEM speaker pads of X2002, pin 11 - 14.
  • Page 21: Audio Faults 4

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Audio faults 4 Audio faults Change speaker. IHF speaker Is it working working? now? Set Phone in LOCAL mode. Use Phoenix Audio Test. Set Ext microphone in Ihf speaker out, Loop On.
  • Page 22: Earpiece

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Earpiece 2.15 Earpiece Earpiece Waveform 9 Connect EXT audio signal 1kHz (sine 300mVpp) to XMICP pad and Ground on XMICN. Set phone in LOCAL mode. Use Phoenix Audio Test. Set Ext microphone in Ext speaker out, Loop On.
  • Page 23: Display Faults 1

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Display faults 1 Set phone into local mode. Set VBATT 4.2V. Start Display display test with Phoenix. faults Set display and keypad lights on. Are the LEDs turned on? Check N2400...
  • Page 24: Display Faults 2

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Display faults 2 Display faults Change UI module. Is it working? Open Phoenix, enter Test mode and goto Testing > Display Test > Does Select Test > Contrast Test. Set the display...
  • Page 25: Keypad Faults 1

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Keypad faults 1 Keypad faults Check R2423, Is the Measure power key C2402, C2400, voltage from S2419. S2419 and line. working? Is it 3.7V? If OK change UEM Measure voltage from S2419...
  • Page 26: Keypad Faults 2

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Keypad faults 2 Keypad faults Are keys working? Measure SLEEPX signal from J2801 when key is pressed. Is it 1.8V? Check lines. If still failing change UPP. When keypad is pressed, the LEDs are turned Check lines.
  • Page 27: Camera Faults 1

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Camera faults 1 Change Camera the camera module. Camera works? Is the viewfinder starting? Check X1470 solder Change joints. Are they OK? X1470. Check N1470, C1481, Measure 1.8 V C1482, C1483, C1473 from C1482 when camera is and C1474.
  • Page 28: Camera Faults 2

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Camera faults 2 Camera Check R1473 and C1475. Change defect part Are they OK? Check R1474 and R1475. Change defect part. Are they OK? Check R1471 and R1472. Change defect part.
  • Page 29: Self Test

    RH-37 Nokia Customer Care 6(a) - BB Troubleshooting Instructions Self test Nokia Corporation Issue 1 07/04 Page 29...
  • Page 30: Functional Cover Interface

    RH-37 6(a) - BB Troubleshooting Instructions Nokia Customer Care Functional cover interface faults complete phone ? FCI PadExtender available ? Add FCI PadExtender term inal works with reference FC ? Re-test Change UPP (FCI-ASIP already (D450) exchanged) ? Phoenix: 1. Set phone into "TEST Mode"...

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