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1. Introduction
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2
1.1 Purpose
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2
1.2 Regulatory Information
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2
1.3 Abbreviations
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4
2. PERFORMANCE
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6
2.1 H/W Features
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6
2.2 Technical Specification
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7
3. TECHNICAL BRIEF
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11
3.1 Receiver
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11
3.2 Synthesizer
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14
3.3 Transmitter
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17
3.4 13MHz Clock
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21
3.5 Power Supplies and Control Signals
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21
3.6 Digital Main Processor
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22
3.7 Analog Main Processor
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25
3.8 Power Management
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26
3.9 Memories
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28
3.10 Display and Interface
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28
3.11 Keypad Switches and Scanning
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28
3.12 Microphone
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30
3.13 Earpiece
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30
3.14 Hands-free Interface
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31
3.15 Buzzer Driver
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31
3.16 Key Back-light Illumination
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32
3.17 LCD Back-light Illumination
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32
4. TROUBLE SHOOTING
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33
4.1 RX Trouble
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34
4.2 TX Trouble
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37
4.3 Power on Trouble
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40
4.4 Charge Trouble
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42
4.5 LCD Trouble
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43
4.6 Receiver Trouble
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44
4.7 Buzzer Trouble
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45
4.8 MIC Trouble
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46
4.9 Vibrator Trouble
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47
4.10 Indicator LED Trouble
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48
4.11 Backlight LED Trouble
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50
4.12 Folder on/off Trouble
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51
4.13 SIM Detect Trouble
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52
4.14 Earphone Trouble
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53
4.15 HFK Trouble
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55
5. TEST POINT DATA
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57
6. STAND ALONE TEST
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74
6.1 Introduction
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74
6.2 Setting Method
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74
6.3 Means of Test
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74
7. AUTO CALIBRATION
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75
7.1 Overview
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75
7.2 Requirements
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75
7.3 Menu and settings
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75
7.4 AGC
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77
7.5 APC
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77
7.6 ADC
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77
7.7 Setting
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77
7.8 How to do calibration
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77
8. ASSEMBLY INSTRUCTION
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78
8.1 Disassembly
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78
8.2
Disassembly of Front Cover Components
...
81
8.3 Disassembly of Folder
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83
9. BLOCK DIAGRAM
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85
9.1 Main Board
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85
9.2 FPCB
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86
9.3 RF
..........................................................
87
10. CIRCUIT DIAGRAM
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89
10.1 BB Circuit
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89
10.2 RF Circuit
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90
11. PCB LAYOUT
........................................
91
12.
DOWNLOAD AND CALIBRATION
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93
12.1 Download
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93
12.2 Calibration
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95
13. ENGINEERING MODE
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98
13.1 BB Test [MENU 1]
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98
13.2 RF Test [MENU 2]
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100
13.3 MF Mode [MENU 3]
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100
13.4 Trace option [MENU 4]
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101
13.5 Call Timer [MENU 5]
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101
13.6 Fact. Reset [MENU 6]
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101
13.7 S/W version [MENU 7]
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101
14. EXPLODED VIEW
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102
15. REPLACEMENT PARTS LIST
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104
Table Of Contents