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3806
Service manual
Nokia 3806 Service Manual
Mobile terminal
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User manual
(87 pages)
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User manual
(89 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Product Selection
RM-583 PCI Overview
Phone Features and Sales Package
Accessories
Technical Specifications
General Specifications
Battery Endurance
Software Summary/Use of Ams
Software Summary
Hardware, Operating System and Environment Request
Software Utilization
Installation
Use of AMS
Bload Mode
General Mode
Table of Contents
Introduction
L3 Service Configuration
Service Tools
L3 Service Configuration
MJ-272 Handling Instructions
External Connections & Switch Instructions
MJ-272 PWB Pin Definition
Handling Instruction
Power on Sequence
AC Power Supply
DC Power Supply
Table of Contents
Failures and Corrective Measures
Damaged RF Feed Point Pin
Introduction
Visual Quality Requirements
Obstructed RF Feed Point Pad
RF Connector Failure
Table of Contents
Key Components Overview
System Block Diagram
Platform Introduction
Qsc1110
Power up
Power off
Power Distribution
Battery
Display and Keypad
Troubleshooting
Power Does Not Stay on (Refer to VREG_OUT Circuit)
Power Does Not Stay on Troubleshooting
PMU Circuits
Audio Faults
No Sound in Earpiece & Microphone (Refer to MIC Headset, Audio PA Circuit Design)
Audio Faults Troubleshooting
Display Faults
Display Faults Troubleshooting
Keypad Faults (Refer to Keypad Circuitry)
Keypad Faults Troubleshooting
Keypad Part Circuitry
Vibrator Faults
No Vibration Troubleshooting
Vibrator Circuit
USB Interface Faults
USB Interface Disabled Troubleshooting
USB Circuit
FM Faults Troubleshooting
FM Circuit
UIM Card Unreadable Troubleshooting
UIM Card Circuit
T-Flash Card Unreadable
T-Flash Card Circuit
Camera Unreadable
Camera Circuit
Charging Faults Troubleshooting
Components Layout/Tx Troubleshooting
Components Layout
TX Troubleshooting
QDART Tool Setup
TX DC Test Points
TX RF Test Points
TX Path Troubleshooting
RX Path Troubleshooting
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Nokia Customer Care
Service Manual
RM-583 (Nokia 3806; L3&4)
Mobile Terminal
Part No: (Issue 1)
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
Table of
Contents
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Chapters
Table of Contents
15
Software Summary/Use of Ams
31
Table of Contents
81
Table of Contents
93
Table of Contents
101
Components Layout/Tx Troubleshooting
135
Table of Contents
Troubleshooting
Battery
109
Power does not stay ON troubleshooting
112
Audio faults
113
Display faults
116
Keypad faults (refer to Keypad circuitry)
117
Keypad part circuitry
120
USB Interface disabled troubleshooting
122
FM faults troubleshooting
124
UIM card unreadable troubleshooting
126
Charging faults troubleshooting
132
TX troubleshooting
140
TX RF test points
142
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