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Service Manual
Page 41 (RF;BB Tune& Flash Concept with MJ-137, FPS-10)
Nokia 2760 - RF;BB Tune& Flash Concept with MJ-137, FPS-10
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RF/BB tune& flash concept with MJ-137, FPS-10
Figure 8 RF/BB tune& flash concept with MJ-137, FPS-10
RM-258; RM-259
Service Tools and Service Concepts
Issue 1
COMPANY CONFIDENTIAL
Page 2 –19
Copyright © 2007 Nokia. All rights reserved.
40
42
Table of Contents
Main Page
Table of Contents
15
Features
17
Hardware Features
17
Figure 1 RM-258/259 Product Picture
17
RM-258/RM-259 Product Selection
17
Software Features
18
UI Features
18
Mobile Enhancements
18
Table 1 Power
18
Table 3 Audio
19
Technical Specifications
19
Table 2 Car
19
General Specifications
19
Battery Endurance
20
Environmental Conditions
20
Electrical Characteristics
20
Table 4 Normal and Extreme Voltages
20
Table 5 Current Consumption
21
Table of Contents
25
Service Tools
27
Dau-9S
28
Fls-4S
29
POS Flash Concept with FLS-4S
35
Service Concepts
35
POS Flash Concept with FLS-5
36
Flash Concept with FPS-10
37
RF-Test/Bb-Tune Concept with JBV-1
38
EM Calibration Concept with JBV-1
39
RF-Test/Bb-Tune & Flash Concept with
40
RF/BB Tune& Flash Concept with MJ-137, FPS-10
41
List of Figures
45
General Baseband Troubleshooting
47
Key Components
47
Phone Cannot be Powered on (I)
47
Power Supply Test Points
47
Phone Cannot be Powered on (II)
49
Phone Cannot be Flashed
50
Easy Flash Programming Does Not Work
52
Display Shows "Contact Service
54
The Phone Does Not Register to the Networks, or the Phone Cannot Make a Call
55
Insert SIM Card Fault
57
SIM Related Faults
57
Blank Display
58
SIM Card Rejected
58
User Interface
58
Corrupted Display
59
Dead Keys
59
No Backlight for Display Or/And Keys
60
Audio Troubleshooting
61
Audio Troubleshooting Using Phoenix
61
Check Microphone Using "Hp Microphone in Ext Speaker Out" Loop
62
Check Earpiece Using "Ext Microphone in Hp Speaker Out" Loop
63
Check IHF & Ringing Tone Function Using "Buzzer
63
Check Vibra Function Using "Vibra Control
64
Earpiece Fault
65
Ihf/Ringing Tone Fault
66
Microphone Fault
67
Headset Earpiece Fault
68
Headset Microphone Fault
69
Table of Contents
73
General RF Troubleshooting
77
RF Key Components
78
Auto Tuning
80
General Instructions for GSM900 RX Troubleshooting
81
RM-258 Receiver
81
Troubleshooting Diagram for GSM900 Receiver
83
General Instructions for GSM 1800 RX Troubleshooting
84
Troubleshooting Diagram for GSM1800 Receiver
86
Measurement Points in the Receiver
87
General Instructions for GSM 900 TX Troubleshooting
88
RM-258 Transmitter
88
GSM900 TX Output Power
90
Troubleshooting Diagram for GSM900 Transmitter
90
General Instructions for GSM1800 TX Troubleshooting
93
GSM1800 TX Output Power
95
Troubleshooting Diagram for GSM1800 Transmitter
95
General Instructions for GSM 850 RX Troubleshooting
98
RM-259 Receiver
98
Troubleshooting Diagram for GSM850 Receiver
100
General Instructions for GSM1900 RX Troubleshooting
101
Troubleshooting Diagram for GSM1900 Receiver
103
Measurement Points in the Receiver
105
General Instructions for GSM 850 TX Troubleshooting
106
RM-259 Transmitter
106
Troubleshooting Diagram for GSM850 Transmitter
108
GSM850 TX Output Power
109
General Instructions for GSM1900 TX Troubleshooting
111
Troubleshooting Diagram for GSM1900 Transmitter
113
GSM1900 TX Output Power
114
Introduction
116
Synthesizer Troubleshooting
116
Troubleshooting Diagram for PLL Synthesizer
118
FM Radio and Bluetooth Troubleshooting
119
Measurement Points at the VCXO
119
Measurement Settings
119
Troubleshooting Diagram for FM Radio
121
Bluetooth and FM Radio Test Points
122
Introduction to Bluetooth Troubleshooting
122
Bluetooth Settings for Phoenix
123
Bluetooth Self Tests in Phoenix
124
Bluetooth BER Failure Troubleshooting
125
Bluetooth Audio and UI Activation Troubleshooting
128
Antenna Troubleshooting
129
Antenna Troubleshooting Diagram
129
Table of Contents
133
Introduction to Camera Module Troubleshooting
135
The Effect of Image Taking Conditions on Image Quality
136
Camera Construction
140
Dynamic Camera Configuration
142
Image Quality Analysis
143
Testing for Dust in Camera Module
143
Testing Camera Image Sharpness
144
Dirty Camera Lens Protection Window
145
Image Bit Errors
145
Camera Hardware Failure Message Troubleshooting
146
Camera Troubleshooting Flowcharts
146
Camera Baseband HW Troubleshooting
148
Camera Viewfinder Troubleshooting
149
Bad Camera Image Quality Troubleshooting
150
Table of Contents
153
System Module Block Diagram
155
Baseband Description
156
External Regulators
156
Functional Description
156
Memory
156
Uemclite
156
Upp
156
Energy Management
157
Audio Function Description
158
Modes of Operation
158
Voltage Limits
158
External Audio Connector
159
HALL Sensor
160
Interfaces
162
RF and Baseband Interfaces
162
Analogue Signals
164
Keyboard
165
LCD Interface
165
SIM Interface
167
External Signals and Connections
168
Battery Connector
169
Battery Interface
169
PWB Outline
170
Frequency Band, Power and Multi-Slot Class
171
RF Description
171
Transmitter - General Description
171
Receiver - General Description
172
Transmitter - Signal Processing
172
VCXO and PLL
173
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