Service Manuals, User Guides, Schematic Diagrams or docs for : NOKIA Mobile Phone 7190 8trouble
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Programmes After Market Services
NSB-5 Series Transceivers
Troubleshooting Instructions
Issue 1 03/01 Nokia Mobile Phones Ltd.
NSB-5
Troubleshooting Instructions PAMS Technical Documentation
Page 2 Nokia Mobile Phones Ltd. Issue 1 03/01
NSB-5
PAMS Technical Documentation Troubleshooting Instructions
Contents
Page No
Troubleshooting ............................................................................................................. 5
Phone is Totally Dead ..................................................................................................5
Flash Programming Doesn't Work ..............................................................................6
Power Doesn't Stay on or Phone is Jammed .............................................................11
Display Information: Contact Service .......................................................................12
Phone Doesn't Register to the Network or Phone Doesn't Make a Call ...................13
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
Issue 1 03/01 Nokia Mobile Phones Ltd. Page 3
NSB-5
Troubleshooting Instructions PAMS Technical Documentation
List of Figures
Page No
Figure 1: Fault Finding for Totally Dead Phone ............................................................... 6
Figure 2: Fault Finding for Flash Programming Errors ...................................................... 8
Figure 3: Fault Finding for Flash Programming Errors (Cont'd) .......................................... 9
Figure 4: Fault Finding for Flash Programming Errors (Cont'd) ........................................ 10
Figure 5: Power Won't Stay on or Jammed Phone ...........................................................12
Figure 6: The states of DSP (MAD2) after power on........................................................ 13
Figure 7: The states of DSP after power on ................................................................... 14
Figure 8: The states of DSP after power on ................................................................... 14
Figure 9: The states of DSP after power on ................................................................... 14
Figure 10: Fault Finding for Network Registration or Call Problems ................................. 15
Figure 11: Fault Finding for Network Registration or Call Problems (Cont'd) .................... 16
Figure 12: Fault Finding for "Insert SIM Card" Error ..................................................... 18
Figure 13: Fault Finding for Rejected SIM Card ............................................................ 19
Figure 14: Fault Finding for Broken Uplink and Downlink Audio...................................... 20
Figure 15: Fault Finding for Broken Uplink Audio with Working Downlink ....................... 21
Figure 16: Fault Finding for Broken Downlink with Working Uplink ................................ 22
Figure 17: Fault Finding for Charger Failure ................................................................. 23
Figure 18: Fault Finding for Charger Failure (Cont'd) .................................................... 24
Page 4 Nokia Mobile Phones Ltd. Issue 1 03/01
NSB-5
PAMS Technical Documentation Troubleshooting Instructions
Troubleshooting
The following hints should facilitate finding the cause of the problem when the circuitry
seems to be faulty. This troubleshooting instruction guide is divided into the following
sections:
1 Phone is totally dead
2 Flash programming doesn't work
3 Power doesn't stay on or the phone is jammed
4 Display information: Contact Service
5 Phone doesn't register to the network or phone doesn't make a call
6 Plug in SIM card is out of order (insert SIM card or card rejected)
7 Audio fault
8 Charging fault
The first step to do is to carry out a thorough visual check of the module. Ensure in par-
ticular that:
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