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Nokia RM-839 Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Section 1
Table of Contents
Product Selection
Phone Features
Figure 1 RM-839/RM-840/RM-841 Product Picture
Accessories
Technical Specifications
Transceiver General Specifications
Main RF Characteristics
Battery Endurance
Environmental Conditions
Section 2
Table of Contents
General Tools
Service Tools
Fps-21
Cables
Ca-31D
Ca-89Ds
Ca-99Ps
POS (Point of Sale) Flash Concept
Service Concepts
Flashing, Certificate Restore and Product Code Change Option 1
Flashing, Certificate Restore and Product Code Change Option 2
Flashing, Certificate Restore, Product Code Change
BB and RF Tuning, EM Calibration
Section 3
Introduction to BB Troubleshooting
Baseband Self Self-Test in Care Suite
Dead or Jammed Device Troubleshooting
Power and Charging Troubleshooting
General Power Checking
Charging Troubleshooting
Clocking Troubleshooting
Power-On Key Troubleshooting
Flash Programming Troubleshooting
Interface Troubleshooting
Memory Troubleshooting
Memory Card Troubleshooting
SIM Cards Troubleshooting
Dual SIM Troubleshooting
USB Interface Troubleshooting
Keypad Troubleshooting
User Interface Troubleshooting
Keypad Illumination Troubleshooting
Display Module Troubleshooting
General Instructions for Display Troubleshooting
Table 1 Display Module Troubleshooting Cases
Table 2 Pixel Defects
Camera Interface Troubleshooting
Camera Troubleshooting Instructions
Display Module Troubleshooting
Audio Troubleshooting
Audio Troubleshooting Test Instructions
No Valid Data from Camera
Table 3 All Test Items for Audio
Internal Earpiece Troubleshooting
Internal Handsfree (IHF) Troubleshooting
Internal Microphone Troubleshooting
External Earpiece Troubleshooting
External Microphone Troubleshooting
Vibrator Troubleshooting
Baseband Manual Tuning Guide
Energy Management Calibration
PIT Function Instruction
PIT Function Overview
Certificate Restore
Product Code Change
Section 4
Table of Contents
Cellular RF Key Components
General Instructions for Cellular RF Troubleshooting
Cellular RF Main Troubleshooting
RF Power Supply Self Test Troubleshooting
RF Auto Tuning and Testing with Nokia Care Suite
RF Auto Tuning Procedure
RF Tuning and Testing
Automatic RF Testing with Nokia Care Suite
Troubleshooting with Testing and Tuning Tool
Release Variants Information
Antenna
Antenna Overview
Antenna Troubleshooting
Main Antenna Functionality
FM Radio Troubleshooting
FM Radio Troubleshooting (DS & SS)
Bluetooth Functional Description (SS)
Bluetooth Troubleshooting (DS & SS)
FM Radio Headset Troubleshooting
Block Diagram
Interface Signals
Component Placement
Symptom, Problem and Repair Solution
Test Coverage
Test Procedure
Section 5
Introduction to Camera Module Troubleshooting
The Effect of Image Taking Conditions on Image Quality
Camera Construction
Dynamic Camera Configuration
Image Quality Analysis
Testing for Dust in Camera Module
Dirty Camera Lens Protection Window
Testing Camera Image Sharpness
Camera Hardware Failure Message Troubleshooting
Camera Troubleshooting Flowcharts
Image Bit Errors
Camera Viewfinder Troubleshooting
Bad Camera Image Quality Troubleshooting
List of Tables
Introduction
Introduction: Phone Description
Battery and Charging
Energy Management
Normal and Extreme Voltages
Power Key and System Power-Up
Clocking Scheme
Modes of Operation
Power Distribution
Electronic Interface between Baseband and SIM
SIM and Micro SD
Electronic Interface between Baseband and Display
Electronic Interface between Baseband and Memory Card
User Interface
Electronic Interface between Baseband and Keypad
Electronic Interface between Baseband and Backlight and Illumination
Electronic Interface between Baseband and Camera
Electronic Interface between Baseband and Vibra
Audio Concept
Audio Interface
Internal Audio
External Audio
Cellular RF Technical Description
RF Block
Duplexer and SAW Filter
Receiver (RX)
Vctcxo
Transmitter (TX)
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Phone Features
2
Technical Specifications
Download this manual
Nokia Customer Care
Service Manual
RM-839; RM-840; RM-841 (Nokia 301; Nokia
301 Dual SIM)
Mobile Terminal
Part No: 9260766 (Issue 1)
NOKIA INTERNAL USE ONLY
Copyright © 2013 Nokia. All rights reserved.
Table of
Contents
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Chapters
Section 1
15
Section 2
25
Section 3
43
Section 4
89
Section 5
121
List of Tables
141
Table of Contents
Troubleshooting
Introduction to BB troubleshooting
45
Power and charging troubleshooting
49
Charging troubleshooting
52
Clocking troubleshooting
53
Power-on key troubleshooting
56
Interface troubleshooting
57
Memory card troubleshooting
58
SIM cards troubleshooting
60
Dual SIM troubleshooting
62
USB interface troubleshooting
64
User interface troubleshooting
65
Keypad illumination troubleshooting
67
Display module troubleshooting
68
Display module troubleshooting
69
No valid data from Camera
71
Internal earpiece troubleshooting
73
Internal handsfree (IHF) troubleshooting
74
Internal microphone troubleshooting
75
External earpiece troubleshooting
76
External microphone troubleshooting
77
Vibrator troubleshooting
78
General instructions for cellular RF troubleshooting
91
Cellular RF main troubleshooting
93
RF power supply self test troubleshooting
94
Troubleshooting with Testing And Tuning Tool
99
Antenna
107
FM radio troubleshooting (DS & SS)
108
FM radio headset troubleshooting
111
Introduction to camera module troubleshooting
123
Image bit errors
134
Camera viewfinder troubleshooting
136
Bad camera image quality troubleshooting
137
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