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Nokia 2600c-2b User Manual
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Figure 38 1800 RX I/Q signal waveform
Measurement points in the receiver
Figure 39 RX measurements point of the control voltages to FEM N7700
RM-340; RM-341
RF Troubleshooting Instructions
Page 4 –16
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2007 Nokia. All rights reserved.
83
85
Table of Contents
Table of Contents
15
Figure 1 RM-340/341 Product Picture
17
RM-340/RM-341 Product Selection
17
Hardware Features
17
Features
17
Software Features
18
UI Features
18
Mobile Enhancements
18
Table 1 Power
18
Table 2 Car
18
Table 3 Audio
19
Table of Contents
23
Service Devices
25
Dau-9S
27
Fls-4S
27
POS Flash Concept with FLS-4S
33
Service Concepts
33
POS Flash Concept with FLS-5
34
Flash Concept with FPS-10
35
RF-Test/Bb-Tune Concept with JBV-1
36
EM Calibration Concept with JBV-1
37
RF-Test/Bb-Tune & Flash Concept with
38
RF/BB Tune& Flash Concept with MJ-137, FPS-10
39
List of Figures
43
General Baseband Troubleshooting
45
Key Components
45
Phone Cannot be Powered on (I)
45
Power Supply Test Points
45
Phone Cannot be Powered on (II)
47
Phone Cannot be Flashed
48
Easy Flash Programming Does Not Work
50
Display Shows "Contact Service
52
The Phone Does Not Register to the Networks, or the Phone Cannot Make a Call
53
Insert SIM Card Fault
55
SIM Related Faults
55
Blank Display
56
SIM Card Rejected
56
User Interface
56
Corrupted Display
57
Dead Keys
57
No Backlight for Display Or/And Keys
58
Audio Troubleshooting
59
Audio Troubleshooting Using Phoenix
59
Check Microphone Using "Hp Microphone in Ext Speaker Out" Loop
60
Check Earpiece Using "Ext Microphone in Hp Speaker Out" Loop
61
Check IHF & Ringing Tone Function Using "Buzzer
61
Check Vibra Function Using "Vibra Control
62
Earpiece Fault
63
Ihf/Ringing Tone Fault
64
Microphone Fault
65
Headset Earpiece Fault
66
Headset Microphone Fault
67
Table of Contents
71
General RF Troubleshooting
75
RF Key Components
75
Auto Tuning
77
General Instructions for GSM900 RX Troubleshooting
78
RM-340 Receiver
78
Troubleshooting Diagram for GSM900 Receiver
80
General Instructions for GSM 1800 RX Troubleshooting
81
Troubleshooting Diagram for GSM1800 Receiver
83
Measurement Points in the Receiver
84
General Instructions for GSM 900 TX Troubleshooting
85
RM-340 Transmitter
85
GSM900 TX Output Power
87
Troubleshooting Diagram for GSM900 Transmitter
87
General Instructions for GSM1800 TX Troubleshooting
90
GSM1800 TX Output Power
92
Troubleshooting Diagram for GSM1800 Transmitter
92
General Instructions for GSM 850 RX Troubleshooting
95
RM-341 Receiver
95
Troubleshooting Diagram for GSM850 Receiver
97
General Instructions for GSM1900 RX Troubleshooting
98
Troubleshooting Diagram for GSM1900 Receiver
100
Measurement Points in the Receiver
102
General Instructions for GSM 850 TX Troubleshooting
103
RM-341 Transmitter
103
Troubleshooting Diagram for GSM850 Transmitter
105
GSM850 TX Output Power
106
General Instructions for GSM1900 TX Troubleshooting
108
Troubleshooting Diagram for GSM1900 Transmitter
110
GSM1900 TX Output Power
111
Introduction
113
Synthesizer Troubleshooting
113
Troubleshooting Diagram for PLL Synthesizer
115
FM Radio and Bluetooth Troubleshooting
116
Measurement Points at the VCXO
116
Measurement Settings
116
Troubleshooting Diagram for FM Radio
118
Bluetooth and FM Radio Test Points
119
Bluetooth Settings for Phoenix
120
Introduction to Bluetooth Troubleshooting
120
Bluetooth Self Tests in Phoenix
121
Bluetooth BER Failure Troubleshooting
122
Antenna Troubleshooting
124
Antenna Troubleshooting Diagram
124
Table of Contents
127
Introduction to Camera Module Troubleshooting
129
The Effect of Image Taking Conditions on Image Quality
130
Camera Construction
134
Dynamic Camera Configuration
136
Image Quality Analysis
137
Testing for Dust in Camera Module
137
Testing Camera Image Sharpness
138
Dirty Camera Lens Protection Window
139
Image Bit Errors
139
Camera Hardware Failure Message Troubleshooting
140
Camera Troubleshooting Flowcharts
140
Camera Baseband HW Troubleshooting
142
Camera Viewfinder Troubleshooting
143
Bad Camera Image Quality Troubleshooting
144
Table of Contents
147
System Module Block Diagram
149
Baseband Description
150
External Regulators
150
Functional Description
150
Memory
150
Uemclite
150
Upp
150
Energy Management
151
Audio Function Description
152
Modes of Operation
152
Voltage Limits
152
External Audio Connector
153
HALL Sensor
154
Interfaces
156
RF and Baseband Interfaces
156
Analogue Signals
158
Keyboard
159
LCD Interface
159
SIM Interface
160
Battery Connector
162
External Signals and Connections
162
Battery Interface
163
Frequency Band, Power and Multi-Slot Class
164
PWB Outline
164
RF Description
164
Receiver - General Description
165
Transmitter - General Description
165
Transmitter - Signal Processing
165
General Specifications
166
Technical Specifications
166
VCXO and PLL
166
Battery Endurance
167
Electrical Characteristics
167
Environmental Conditions
167
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Nokia 2600c-2b Specifications
General
Brand
Nokia
Model
2600c-2b
Category
Telephone
Language
English
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