Nokia RM-841 Manuals

Manuals and User Guides for Nokia RM-841. We have 1 Nokia RM-841 manual available for free PDF download: Service Manual

Nokia RM-841 Service Manual

Nokia RM-841 Service Manual (182 pages)

Brand: Nokia | Category: Handhelds | Size: 50.06 MB

Table of Contents

Section 1

15
- Table of Contents
  15
- Product Selection
  17
- Phone Features
  17
- Figure 1 RM-839/RM-840/RM-841 Product Picture
  17
- Accessories
  18
- Technical Specifications
  18
- Transceiver General Specifications
  18
- Main RF Characteristics
  19
- Battery Endurance
  20
- Environmental Conditions
  20
Section 2

25
- Table of Contents
  25
- General Tools
  27
- Service Tools
  27
- Fps-21
  29
- Cables
  31
- Ca-31D
  32
- Ca-89Ds
  32
- Ca-99Ps
  33
- POS (Point of Sale) Flash Concept
  34
- Service Concepts
  34
- Flashing, Certificate Restore and Product Code Change Option 1
  36
- Flashing, Certificate Restore and Product Code Change Option 2
  37
- Flashing, Certificate Restore, Product Code Change
  38
- BB and RF Tuning, EM Calibration
  39
Section 3

43
Section 4

89
- Table of Contents
  89
- Cellular RF Key Components
  91
- General Instructions for Cellular RF Troubleshooting
  91
- Cellular RF Main Troubleshooting
  93
- RF Power Supply Self Test Troubleshooting
  94
- RF Auto Tuning and Testing with Nokia Care Suite
  95
- RF Auto Tuning Procedure
  95
- RF Tuning and Testing
  95
- Automatic RF Testing with Nokia Care Suite
  97
- Troubleshooting with Testing and Tuning Tool
  99
- Release Variants Information
  103
- Antenna
  107
- Antenna Overview
  107
- Antenna Troubleshooting
  107
- Main Antenna Functionality
  107
- FM Radio Troubleshooting
  108
- FM Radio Troubleshooting (DS & SS)
  108
- Bluetooth Functional Description (SS)
  111
- Bluetooth Troubleshooting (DS & SS)
  111
- FM Radio Headset Troubleshooting
  111
- Block Diagram
  112
- Interface Signals
  112
- Component Placement
  113
- Symptom, Problem and Repair Solution
  114
- Test Coverage
  115
- Test Procedure
  115
Section 5

121
List of Tables

141
- Introduction
  143
- Introduction: Phone Description
  143
- Battery and Charging
  144
- Energy Management
  144
- Normal and Extreme Voltages
  145
- Power Key and System Power-Up
  146
- Clocking Scheme
  148
- Modes of Operation
  148
- Power Distribution
  150
- Electronic Interface between Baseband and SIM
  154
- SIM and Micro SD
  154
- Electronic Interface between Baseband and Display
  157
- Electronic Interface between Baseband and Memory Card
  157
- User Interface
  157
- Electronic Interface between Baseband and Keypad
  158
- Electronic Interface between Baseband and Backlight and Illumination
  159
- Electronic Interface between Baseband and Camera
  160
- Electronic Interface between Baseband and Vibra
  161
- Audio Concept
  162
- Audio Interface
  162
- Internal Audio
  163
- External Audio
  165
- Cellular RF Technical Description
  169
- RF Block
  169
- Duplexer and SAW Filter
  170
- Receiver (RX)
  170
- Vctcxo
  171
- Transmitter (TX)
  172

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