Nokia NPM-2NX Cell Phone Manuals

Manuals and User Guides for Nokia NPM-2NX Cell Phone. We have 2 Nokia NPM-2NX Cell Phone manuals available for free PDF download: Troubleshooting Manual, Assembly And Disassembly Instructions

Nokia NPM-2NX Troubleshooting Manual

Nokia NPM-2NX Troubleshooting Manual (66 pages)

Brand: Nokia | Category: Cell Phone | Size: 0.65 MB

Table of Contents

Table of Contents
2
Transceiver Troubleshooting
4
- General about Testing
  4
  - Phone Operating Modes
    4
- Measurement Points
  5
Fig 1 UEM Regulator's Filter Capacitors
5
Fig 2 BB Testpoints
6
Baseband Troubleshooting
7
- Power up Sequence
  7
Fig 3 Power up Sequence
9
- Phone Does Not Start up Normally or Does Not Stay on
  10
- Flash Programming Does Not Work
  11
Fig 4 Fault Tree, Phone Does Not Power up
11
- Flash Programming Error Codes
  13
- Charging
  15
- Audio Failures
  15
Fig 5 Fault Tree, Charging
15
- Earpiece or External Microphone Line Does Not Work
  17
Fig 6 Fault Tree, Earpiece Fail
17
- Microphone or XEAR Line Does Not Work
  18
Fig 7 Fault Tree, Microphone Fail
18
- Accessory Detection
  19
Fig 8 Fault Tree, Accessory Detection
19
- Power Supply for Data Cable
  20
- Sleep Clock
  20
Fig 9 Fault Tree, Data Cable
20
Fig 10 Fault Tree, Sleep Clock
21
- Display/Keyboard Lights Do Not Work
  22
Fig 11 Fault Tree, Display/Keyboard Lights
22
- Display Does Not Work
  23
  - Buzzer Does Not Work
    23
Fig 12 Fault Tree, Display
23
- Vibra Does Not Work
  24
- Keyboard Does Not Work
  24
- SIM Does Not Work
  24
- Infrared Does Not Work
  25
Fig 13 Fault Tree, Infra Red
25
RF Troubleshooting
26
- Introduction
  26
  - Abbreviations in Fault Finding Charts
    26
Receiver
27
- General Instructions for RX Troubleshooting
  27
- Path of the Received Signal
  28
- Amps
  29
- Tdma800
  33
- Tdma1900
  33
- Gsm1900
  36
Transmitter
44
- General Instructions for TX Troubleshooting
  44
- Amps/Tdma
  44
- Gsm1900
  44
- Path of the Transmitted Signal
  44
- Fault Finding Charts for Transmitter
  45
  - Amps
    45
  - Tdma800
    48
  - Tdma1900, Gsm1900
    48
- Power Control Loop
  51
  - Amps and Tdma
    52
  - Gsm1900
    53
Synthesizers
54
- 19.2 Mhz Reference Oscillator
  54
  - Fault Finding Chart for 19.2 Mhz Oscillator
    55
  - Rx Vhf Vco
    55
    
    Fault Finding Chart for RX VHF VCO
    55
  - Bb Pll
    56
    
    Fault Finding Chart for BB PLL
    57
  - Tx Vhf Vco
    58
    
    Fault Finding Chart for TX VHF VCO
    58
  - Uhf Synthesizer
    59
    
    Fault Finding Chart for UHF SYNTHESIZER
    60
- Description of NPM-2NX RF Auto-Tune Tuning
  61
  - TDMA RF Tunings
    61
    
    TDMA RX Tunings
    61
    
    TDMA TX Tunings
    62
  - GSM RF Tunings
    64
    
    GSM RX Tunings
    64
    
    GSM TX Tunings
    66

Advertisement

Nokia NPM-2NX Assembly And Disassembly Instructions

Nokia NPM-2NX Assembly And Disassembly Instructions (18 pages)

Brand: Nokia | Category: Cell Phone | Size: 0.91 MB

Table of Contents

Advertisement

Related Products

Nokia Categories

Cell Phone

Cell Phone Headsets Transceiver

Telephone

Telephone Handhelds

More Nokia Manuals