User Manuals: Nokia NSM-4 Series Transceiver Assembly

Manuals and User Guides for Nokia NSM-4 Series Transceiver Assembly. We have 1 Nokia NSM-4 Series Transceiver Assembly manual available for free PDF download: Disassembly & Troubleshooting Instructions

Nokia NSM-4 Series Disassembly & Troubleshooting Instructions

Nokia NSM-4 Series Disassembly & Troubleshooting Instructions (26 pages)

Brand: Nokia | Category: Transceiver | Size: 1.25 MB

Table of Contents

Table of Contents
2
Disassembly of NSM-4
3
Transceiver Troubleshooting
10
- Baseband Troubleshooting
  10
  - PWB Test Points
    10
  - Testing
    12
  - Troubleshooting
    13
  - System Clock
    14
  - Sleep Clock
    15
  - Power Supplies
    16
  - Phone Is Totally Dead
    19
  - Flash Programming Fails
    19
  - Power Doesn't Stay on or Phone Is Jammed
    19
  - Contact Service on the Phone Display
    19
  - SIM Related Faults
    21
  - Audio Faults
    22
  - Charging Fault
    24
- RF Troubleshooting
  25

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