Nokia 62435i Manuals

Manuals and User Guides for Nokia 62435i. We have 1 Nokia 62435i manual available for free PDF download: Troubleshooting Manual

Nokia 62435i Troubleshooting Manual

Nokia 62435i Troubleshooting Manual (68 pages)

Brand: Nokia | Category: Handhelds | Size: 3.71 MB

Table of Contents

Troubleshooting
1
Table of Contents
2
6235/6235I/6236I Mobile Terminal
5
RF Components
6
Preliminary RF Troubleshooting
7
RF Troubleshooting Equipment List
7
Transmitter RF Troubleshooting
8
- Transmitter Block Diagram
  8
- Transmitter Schematics
  9
- Transmitter Troubleshooting Guidelines
  10
- Transmitter Troubleshooting Setup
  10
  - AMPS Tx Setup
    11
  - Cell Tx Setup
    14
  - PCS Setup
    16
- Transmitter RF Troubleshooting Procedures
  18
- Failed Test: Tx PA Detector
  19
- Transmitter Output Spectrum
  20
- Transmitter Test Points
  21
  - Tx RF Part Diagram
    21
  - Tx DC Test Points
    22
  - Tx RF Test Points
    23
  - Tx DC Power Supply Test Points
    24
- Transmitter UHF lo
  25
  - Tx UHF lo Schematic
    25
  - Tx UHF lo (N7000) Test Points
    26
- PCS Tx UHF Spectrum Output
  26
- Cell Tx UHF Spectrum Output
  27
Receiver RF Troubleshooting
28
- Receiver Block Diagram
  29
- Receiver Schematics
  29
- RF AGC Status
  30
- Turning on the Rx Path
  31
- Switching the Rx Gain States
  33
- Receiver Diagnostic Signal Tracing
  37
  - Receiver DC Test Points
    38
  - Receiver RF Test Points
    39
  - Receiver if Test Points
    40
- Receiver Logic Input Voltages
  41
- N7160 Receiver Overview
  41
Synthesizer Troubleshooting
43
- Synthesizer Block Diagram
  44
- Synthesizer Schematics
  45
- Synthesizer Troubleshooting Setup
  46
- Top Level Troubleshooting
  46
- Incorrect PLL Frequencies
  47
- VCTCXO Troubleshooting
  48
- VCTCXO Manual Tuning
  48
- AFC Voltage Troubleshooting
  49
- UHF Synthesizer Schematic
  52
- UHF Synthesizer Troubleshooting
  52
- UHF Synthesizer Test Points
  54
- Typical UHF lo Spectrum Outputs
  54
- Rx VHF lo (N7100) Schematic
  56
- Rx VHF lo Troubleshooting
  57
- Tx UHF lo (N7000) Schematic
  58
- Tx UHF lo (N7000) Troubleshooting
  59
- Typical Transmitter UHF lo Spectrum Outputs
  59
GPS Troubleshooting
60
- GPS RF Block Diagram
  60
- GPS RF Schematic
  61
- GPS Troubleshooting Setup
  61
  - Self Test Failure
    63
  - Oscillator Failure
    63
  - CW Test Failure
    63
  - GPS RF Troubleshooting
    63
  - GPS DC Test Points
    64
  - GPS RF Test Points
    65
FM Radio Troubleshooting
65

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