Nokia NSB-5 Series Troubleshooting Instructions
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Also See for NSB-5 Series:
- Technical documentation manual (106 pages) ,
- Disassembly instructions manual (6 pages)
Related Manuals for Nokia NSB-5 Series
Summary of Contents for Nokia NSB-5 Series
- Page 1 Programmes After Market Services NSB-5 Series Transceivers Troubleshooting Instructions Nokia Mobile Phones Ltd. Issue 1 03/01...
- Page 2 NSB-5 Troubleshooting Instructions PAMS Technical Documentation Nokia Mobile Phones Ltd. Page 2 Issue 1 03/01...
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Page 3: Table Of Contents
SIM Card is Out of Order ..................17 Audio failure: Uplink (microphone) and downlink (earphone) are broken .... 20 Audio failure: Uplink (microphone) is broken............21 Audio failure: Downlink (earphone) is broken ............22 Charger Failure......................23 Nokia Mobile Phones Ltd. Issue 1 03/01 Page 3... - Page 4 Fault Finding for Broken Downlink with Working Uplink Figure 16: ........ 22 Fault Finding for Charger Failure Figure 17: ..............23 Fault Finding for Charger Failure (Cont’d) Figure 18: ............ 24 Nokia Mobile Phones Ltd. Page 4 Issue 1 03/01...
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Page 5: Troubleshooting
(X400 pin 7) or when the watchdog disable pin is grounded. Used battery voltage must be higher than 3.1V. Otherwise, the hardware of CCONT (N100) totally prevents power from switching on. Nokia Mobile Phones Ltd. Issue 1 03/01 Page 5... -
Page 6: Flash Programming Doesn't Work
X200. In production, the first programming is done via panel connector X201. After this, the panel connector is cut away, thus other flash programming must be done via system connector X200. Nokia Mobile Phones Ltd. Page 6 Issue 1 03/01... - Page 7 • MCU doesn’t boot • Serial clock line failure • Serial data line failure • External RAM fault • Algorithm file or alias ID don’t find • MCU flash Vpp error Nokia Mobile Phones Ltd. Issue 1 03/01 Page 7...
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Page 8: Figure 2: Fault Finding For Flash Programming Errors
PURX line 13MHz clock C300 (end away from D350) 800mV min. Check C760, R706, R707, V702, R717, C722, L701, G701 Check R835, C820 Figure 2: Fault Finding for Flash Programming Errors Nokia Mobile Phones Ltd. Page 8 Issue 1 03/01... -
Page 9: Figure 3: Fault Finding For Flash Programming Errors (Cont'd)
Check also pull-up and -down resistors: R106, R306, R307 GND: X200 pin 14, X201 pin 7 -> GND Repair or defective PCB MAD or FLASH faulty. Figure 3: Fault Finding for Flash Programming Errors (Cont’d) Nokia Mobile Phones Ltd. Issue 1 03/01 Page 9... -
Page 10: Figure 4: Fault Finding For Flash Programming Errors (Cont'd)
Voltage higher than 1.7V during flashing? Defective MAD Defect FLASH or flashing- MCUGENIO03 or flashing- SW has wrong version. SW has wrong version. Figure 4: Fault Finding for Flash Programming Errors (Cont’d) Nokia Mobile Phones Ltd. Page 10 Issue 1 03/01... -
Page 11: Power Doesn't Stay On Or Phone Is Jammed
8 seconds. The power-off function of CCONT can be prevented by connecting a short circuit wire from R413 (end towards N100) to ground. Nokia Mobile Phones Ltd. Issue 1 03/01 Page 11... -
Page 12: Display Information: Contact Service
Self-test functions are run when power is switched on and software has started to exe- cute from flash. If any of the self-tests fail, contact service information will be shown on Nokia Mobile Phones Ltd. Page 12 Issue 1 03/01... -
Page 13: Phone Doesn't Register To The Network Or Phone Doesn't Make A Call
(see Figure 6, Figure 7, Figure 8, and Figure 9). 1. DSP initialization 2.Synchronization to network done 3. Registrarition to network done. MAD2WD1 pin D8 (DSPXF) J314 Figure 6: The states of DSP (MAD2) after power on Nokia Mobile Phones Ltd. Issue 1 03/01 Page 13... -
Page 14: Figure 7: The States Of Dsp After Power On
J314 Figure 8: The states of DSP after power on MAD2WD1 pin D8 go SDCCH send RACH imediate (DSPXF) RACH OK J314 Figure 9: The states of DSP after power on Nokia Mobile Phones Ltd. Page 14 Issue 1 03/01... -
Page 15: Figure 10: Fault Finding For Network Registration Or Call Problems
Supply voltage VSYN_2 (C136) > 2.7V during the receiving slot Supply voltage VTX (C141) > 2.7V during the transmitting slot All OK? Check N100, D300 Figure 10: Fault Finding for Network Registration or Call Problems Nokia Mobile Phones Ltd. Issue 1 03/01 Page 15... -
Page 16: Figure 11: Fault Finding For Network Registration Or Call Problems (Cont'd)
Transmit signal is biased to DC, amplitude 300mVpp and frequency 64kHz Check N200 if TxC fail else Check D300 Check RF part Check N200 Figure 11: Fault Finding for Network Registration or Call Problems (Cont’d) Nokia Mobile Phones Ltd. Page 16 Issue 1 03/01... -
Page 17: Sim Card Is Out Of Order
EEPROM are not correct. Nokia Mobile Phones Ltd. Issue 1 03/01 Page 17... -
Page 18: Figure 12: Fault Finding For "Insert Sim Card" Error
Check X100, R120 SIMPWR (J318), DATAA (J303), SIMRSTA (J315), SIMCLK (J316), SIMIOC (J317) rise to 2.8V after power Faulty PCB, N100 Faulty D300 Figure 12: Fault Finding for “Insert SIM Card” Error Nokia Mobile Phones Ltd. Page 18 Issue 1 03/01... -
Page 19: Figure 13: Fault Finding For Rejected Sim Card
Check X100, R120 ATR data can be seen at J303 Check N100 SIM_IOControl line (J317) is "1" during ATR message Check D300 Check D300 Figure 13: Fault Finding for Rejected SIM Card Nokia Mobile Phones Ltd. Issue 1 03/01 Page 19... -
Page 20: Audio Failure: Uplink (Microphone) And Downlink (Earphone) Are Broken
Frequency at E501 (PCMSclk) is 8kHz square wave logical level during call Check N200 Check for uplink and for downlink broken Figure 14: Fault Finding for Broken Uplink and Downlink Audio Nokia Mobile Phones Ltd. Page 20 Issue 1 03/01... -
Page 21: Audio Failure: Uplink (Microphone) Is Broken
Check N200 COBBA Audio voltage (few millivolts) on COBBA side of C117 & C121 during call Check C117, C121 and Check N200 Figure 15: Fault Finding for Broken Uplink Audio with Working Downlink Nokia Mobile Phones Ltd. Issue 1 03/01 Page 21... -
Page 22: Audio Failure: Downlink (Earphone) Is Broken
Check N200 & D300 Is connector on Display assy OK? Check display module and Repair or new module speaker Figure 16: Fault Finding for Broken Downlink with Working Uplink Nokia Mobile Phones Ltd. Page 22 Issue 1 03/01... -
Page 23: Charger Failure
Voltage level at R104 is higher than 0.4V when charger is connected Check X200, F100, R101, L100, C111, C101, R103, R104 Check N100 Figure 17: Fault Finding for Charger Failure Nokia Mobile Phones Ltd. Issue 1 03/01 Page 23... -
Page 24: Figure 18: Fault Finding For Charger Failure (Cont'd)
Vbatt Check R102, N101 voltage at N101 pin 5 & 12 rises when charger is connected Check N101 Check PCB Figure 18: Fault Finding for Charger Failure (Cont’d) Nokia Mobile Phones Ltd. Page 24 Issue 1 03/01...