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RM-484
Nokia RM-484 User Manual
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Illumination troubleshooting
Troubleshooting flow
S60 keyboard backlights are controlled by the Ambient Light Sensor. They are supposed to be illuminated
only in dark ambient light. At first, cover the ALS and check if they are OK. If they are not, go to the
troubleshooting diagram below.
RM-484; RM-485; RM-486
BB Troubleshooting
Issue 1
COMPANY CONFIDENTIAL
Page 3 –35
Copyright © 2009 Nokia. All rights reserved.
80
82
Table of Contents
Table of Contents
13
Warnings and Cautions
4
Battery Information
8
Product Selection
15
Product Features and Sales Package
16
Mobile Enhancements
19
Table 1 Audio
19
Table 2 Car
19
Table 3 Data
19
Technical Specifications
20
Transceiver General Specifications
20
Main RF Characteristics for GSM850/900/1800/1900 and WCDMA VIII/II/I Phones
20
Table 4 Messaging
20
Main RF Characteristics for GSM850/900/1800/1900 and WCDMA V/II/I Phones
22
Battery Endurance
23
Environmental Conditions
23
Issue 1 COMPANY CONFIDENTIAL Page
25
Table of Contents
27
Service Tools
29
Product Specific Tools
29
Cables
30
Rj-230
30
Ca-101
31
Pcs-1
32
Service Concepts
33
POS (Point of Sale) Flash Concept
33
Flash Concept with FPS-10
34
Flash Concept with FPS-10
35
Flash Concept with FPS-10 and SB-6............................................................................................................. Flash Concept with SS-46 and CA-89DS
36
Flash Concept with SS-62 and CA-89DS
38
Flash Concept with FPS-10, SS-62 and
39
Flash Concept with FPS-10, SS-62 and
40
Module Jig Service Concept
41
Module Jig Service Concept with
42
RF Testing Concept with RF Coupler
43
Service Concept for RF Testing and RF/BB Tuning
44
Issue 1 COMPANY CONFIDENTIAL Page
47
Table 5 Power
49
Baseband Main Troubleshooting
51
General Power Checking
53
Backup Battery Troubleshooting
54
Dead or Jammed Device Troubleshooting
56
Keyboard Troubleshooting
57
Hall Sensor Troubleshooting
59
TV- out Troubleshooting
60
General Power Checking Troubleshooting
61
USB Troubleshooting
62
SIM Card Troubleshooting
63
Microsd Card Troubleshooting
64
Combo Memory Troubleshooting
66
Flash Programming Troubleshooting
67
USB Charging Troubleshooting
70
Clocking Troubleshooting
71
Power Key Troubleshooting
72
User Interface Troubleshooting
73
Accelerometer Troubleshooting
74
Magnetometer Troubleshooting
76
Display Troubleshooting
79
Display
79
Illumination Troubleshooting
81
LED Driver Troubleshooting
84
I/O Expander Troubleshooting
85
Audio Troubleshooting
85
Audio Troubleshooting Test Instructions
85
Test Procedure
86
External Earpiece Troubleshooting
89
DAC33 Troubleshooting
90
External Microphone Troubleshooting
91
Internal Earpiece Troubleshooting
92
Internal Handsfree Speaker Troubleshooting
93
Internal Microphone Troubleshooting
94
Vibra Troubleshooting
95
ALS Technical Description and Troubleshooting
96
Ambient Light Sensor
96
ALS Troubleshooting
96
Re-Tuning als
97
Bluetooth and FM Radio Troubleshooting
98
Introduction to Bluetooth/Fm Radio Troubleshooting
98
Bluetooth BER Test
101
Bluetooth and FM Radio Self Tests in Phoenix
101
Bluetooth Troubleshooting
103
FM Radio Troubleshooting
104
FM Radio Testing
105
GPS Troubleshooting
105
GPS Layout and Basic Test Points
105
GPS Settings for Phoenix
106
GPS Control
106
Quick Test Window
107
GPS Failure Troubleshooting
107
Table of Contents
119
General RF Troubleshooting
121
Introduction to RF Troubleshooting
121
RF Key Components and Test Points
122
Auto Tuning
123
Introduction to RF Tunings
123
Self Test Troubleshooting
123
Receiver Troubleshooting
125
Introduction to Receiver (RX) Troubleshooting
125
GSM RX Chain Activation for Manual Measurements/Gsm RSSI Measurement
125
GSM Receiver Troubleshooting Flowchart
126
WCDMA RX Chain Activation for Manual Measurement
126
WCDMA RSSI Measurement
127
WCDMA Receiver Troubleshooting Flowchart
129
Transmitter Troubleshooting
129
General Instructions for Transmitter (TX) Troubleshooting
129
GSM Transmitter Troubleshooting
129
WCDMA Transmitter Troubleshooting
132
Antenna Troubleshooting
133
Table of Contents
137
Introduction to Camera Module Troubleshooting
139
The Effect of Image Taking Conditions on Image Quality
140
Phone Display
141
Image Quality Analysis
144
Possible Faults in Image Quality
144
Testing for Dust in Camera Module
144
Testing Camera Image Sharpness
145
Effects of Dirty or Defective Camera Lens Protection Window
146
Faulty Pixels in Images
147
Flash Photography Problems
148
Main (Back) Camera Troubleshooting Flowcharts
149
Image or Video Capture Troubleshooting
149
IVE Basic Checks
150
No Recognizable Viewfinder Image
151
Bad Image Quality Troubleshooting
152
Flash Troubleshooting
153
Accelerometer Troubleshooting
154
Functional Description
159
System Block Diagram
160
Table of Contents
165
Fmtx 2.1 Component Layout
167
Fmtx 2.1 Schematic
167
Fmtx 2.1 PWB Traces
168
Specific Digital and Power Supply Test Points
168
Fmtx2.1 Specific RF Test Points
169
General Visual Inspection Guidelines
169
Specific Clock Test Points
169
Fmtx2.1 Troubleshooting
170
Fmtx2.1 Antenna Visual Inspection Troubleshooting
171
Fmtx2.1 Audio Path Visual Inspection Troubleshooting
172
Checking Validity of Signals
173
Fmtx2.1 Si4713 Visual Inspection Troubleshooting
173
Fmtx2.1 Troubleshooting Faults
174
Phoenix PC Tool
174
Table of Contents
181
Introduction
185
Phone Description
185
System Module Block Diagram
186
Energy Management
187
Battery and Charging
187
Backup Battery
187
Normal and Extreme Voltages
188
Power Key and System Power-Up
188
Power Distribution
189
Clocking Scheme
190
Bluetooth and FM RDS Radio Module
191
Magnetometer
191
GPS Module
192
FM Transmitter Module
193
High-Speed USB
193
WLAN Module
193
CBUS Interface
194
ECI Interface
194
FBUS Interface
194
USB Charger Interface
194
SIM Interface
195
Nokia
195
Camera Concept
196
Microsd Card Interface
196
User Interface
197
Ui/Slide Module
197
Display Module
198
Display Features
198
Display Interface
198
I/O Expanders and Keyboards
199
Illumination
200
Asics
202
Rapidoyawe
202
Em Asic Betty N2300
202
Em Asic Vilma N2200
202
Audio Concept
203
Audio HW Architecture
203
Internal Microphone
204
Internal Earpiece
204
Internal Speakers
205
Vibra Circuitry
205
Accessory AV Connector
206
External Earpiece and Microphone
207
Device Memories
203
Combo Memory
203
Baseband Technical Specifications
208
External Interfaces
208
SIM if Connections
208
Charger Connector and Charging Interface Connections & Electrical Characteristics
208
Internal Interfaces
209
Back-Up Battery Interface Electrical Characteristics
209
RF Technical Description
210
RF Block Diagram
210
4
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Nokia RM-484 Specifications
General
Brand
Nokia
Model
RM-484
Category
Cell Phone
Language
English
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