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RM-243
Nokia RM-243 Service Manual
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Troubleshooting overview
For practical reasons, troubleshooting is divided into two sections;
•
Baseband troubleshooting, including camera, FM radio and Bluetooth.
•
RF troubleshooting
RM-243
BB Troubleshooting and Manual Tuning Guide
Issue 1
COMPANY CONFIDENTIAL
Page 3 –5
Copyright © 2007 Nokia. All rights reserved.
48
50
Table of Contents
Table of Contents
13
Product Selection
15
Product Features and Sales Package
15
Product and Module List
17
Mobile Enhancements
17
Table 1 Audio
17
Table 2 Car
18
Table 3 Carrying
18
Table 4 Data & Positioning
18
Technical Specifications
19
Transceiver General Specifications
19
Main RF Characteristics for GSM850/900/1800/1900 and WCDMA V (850) and WCDMA I (2100) Phones
19
Table 5 Messaging
19
Table 6 Music
19
Battery Endurance
21
Service Tools/Service Concepts
25
Table of Contents
25
Service Tools
27
Product Specific Tools
27
General Tools
28
Cables
35
Ca-31D
35
Ca-35S
35
Ca-58Rs
35
Dau-9S
36
Service Concepts
37
POS (Point of Sale) Flash Concept
37
Flash Concept with FPS-10
38
Flash Concept with FPS-10
39
Module Jig Service Concept
40
RF Testing Concept with RF Coupler
41
Service Concept for RF Testing and RF/BB Tuning
42
Table 7 Power
47
Troubleshooting Overview
49
Dead or Jammed Device Troubleshooting
50
General Power Checking
51
Clocking Troubleshooting
52
Charging Troubleshooting
53
Backup Battery Troubleshooting
54
Flash Programming Fault Troubleshooting
55
Combo Memory Troubleshooting
57
Microsd Card Troubleshooting
58
USB Interface Troubleshooting
60
SIM Card Troubleshooting
61
Keyboard Troubleshooting
63
Power Key Troubleshooting
64
Display Module Troubleshooting
65
General Instructions for Display Troubleshooting
65
Display Troubleshooting
68
Vibra Troubleshooting
65
Backlights and LED Driver Troubleshooting
69
Bluetooth and FM Radio
70
Introduction to Bluetooth/Fm Radio Troubleshooting
70
Bluetooth Settings for Phoenix
72
Bluetooth Self Tests in Phoenix
73
Bluetooth Troubleshooting
75
FM Radio Troubleshooting
76
Audio Troubleshooting
77
Audio Troubleshooting Test Instructions
77
Internal Earpiece Troubleshooting
80
Internal Microphone Troubleshooting
81
IHF Speakers Troubleshooting
82
External Headset Microphone Troubleshooting
83
External Headset Earpiece Troubleshooting
84
Acoustics Troubleshooting
85
Introduction to Acoustics Troubleshooting
85
Earpiece Troubleshooting
86
IHF Troubleshooting
87
Microphone Troubleshooting
88
Baseband Manual Tuning Guide
89
Certificate Restoring
89
Energy Management Calibration
90
Table of Contents
93
General RF Troubleshooting
95
Introduction to RF Troubleshooting
95
RF Key Components
96
Non-Replaceable RF Components
97
General Voltage Checking
98
Phoenix Self Tests
99
VCTCXO Troubleshooting
101
Receiver Troubleshooting
102
Introduction to Receiver (RX) Troubleshooting
102
RX GSM850 Troubleshooting
103
RX GSM900 Troubleshooting
104
RX GSM1800 Troubleshooting
105
RX GSM1900 Troubleshooting
106
GSM RX Chain Activation for Manual Measurements/Gsm RSSI Measurement
107
WCDMA Receiver Troubleshooting
108
WCDMA RX Chain Activation for Manual Measurement
109
WCDMA RSSI Measurement
110
Transmitter Troubleshooting
110
General Instructions for Transmitter (TX) Troubleshooting
110
GSM Transmitter Troubleshooting
111
TX 850/900 Troubleshooting
113
TX 1800/1900 Troubleshooting
114
Checking Antenna Functionality
115
WCDMA Transmitter Troubleshooting
117
WCDMA Transmitter Troubleshooting Flowchart
119
RF Tunings
119
Introduction to RF Tunings
119
Autotuning for BB5
120
System Mode Independent Manual Tunings
121
RF Channel Filter Calibration
121
PA (Power Amplifier) Detection
121
GSM Receiver Tunings
122
Rx Calibration (GSM)
122
Rx Band Filter Response Compensation (GSM)
125
GSM Transmitter Tunings
128
Tx IQ Tuning (GSM)
128
Tx Power Level Tuning (GSM)
130
WCDMA Receiver Tunings
133
RX Calibration (WCDMA)
133
WCDMA Transmitter Tunings
135
Tx AGC & Power Detector (WCDMA)
135
Tx Band Response Calibration (WCDMA)
141
Tx lo Leakage (WCDMA)
143
Table of Contents
147
Main (Back) Camera Troubleshooting
149
Main Camera Troubleshooting
149
Camera Flash LED Troubleshooting
150
Secondary (Front) Camera Troubleshooting
151
Secondary Camera Troubleshooting
151
Camera Hardware Failure Troubleshooting
152
Table of Contents
155
Introduction
157
Phone Description
157
Energy Management
158
Battery and Charging
158
Backup Battery
160
Normal and Extreme Voltages
160
Power Key and System Power-Up
161
Modes of Operation
161
Power Distribution
162
Clocking Scheme
163
Bluetooth
163
FM Radio
164
CBUS Interface
165
Charger Interface
165
ECI Interface
165
Fbus
165
SIM Interface
165
Usb
165
Μsd Card Interface
166
Camera Concept
167
Cameras
167
Main Camera Characteristics
167
Camera Flash
167
Secondary Camera Characteristics
168
User Interface
168
Display Module
168
Keyboard and Other Keys
169
Display and Keypad Backlight
170
Asics
170
Rap Asic
170
EM ASIC N2300 (Betty)
170
EM ASIC N2200 (Avilma)
170
Device Memories
170
RAP Memories nor Flash and SDRAM
170
Combo Memory
171
Audio Concept
171
Audio HW Architecture
171
Internal Microphone
171
External Microphone
172
Internal Earpiece
172
Internal Speaker
173
External Earpiece
173
Vibra Circuitry
174
AV Connector
174
Baseband Technical Specifications
175
External Interfaces
175
SIM if Connections
175
Charging Interface Connections & Electrical Characteristics
176
Internal Interfaces
176
Back-Up Battery Interface Electrical Characteristics
176
RF Description
177
Block Diagram
177
Receiver (RX)
177
Transmitter (TX)
178
Frequency Mappings
179
GSM850 Frequencies
179
EGSM900 Frequencies
180
GSM1800 Frequencies
181
GSM1900 Frequencies
182
WCDMA V (850) Frequencies
183
WCDMA 2100 Rx Frequencies
184
WCDMA 2100 Tx Frequencies
185
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Nokia RM-243 Specifications
General
Brand
Nokia
Model
RM-243
Category
Handhelds
Language
English
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