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1. Introduction ..................................... 5
1.1 Purpose................................................... 5
1.2 Regulatory Information............................ 5
1.3 Abbreviations .......................................... 7
2. General Performance...................... 9
2.1 Product Name ......................................... 9
2.2 Supporting Standard ............................... 9
2.3 Main Parts: GSM Solution........................9
2.4 H/W Features.........................................10
2.5 S/W Features .........................................12
3. H/W Circuit Description................ 14
3.1 General Description .............................. 14
3.2 Receiver Part ........................................ 14
3.3 Transmitter Part .................................... 17
3.4 Digital Baseband (DBB) Processor........20
3.5 Analog Baseband (ABB) Processor...... 25
4. TROUBLE SHOOTING .................. 43
4.1 Main Components Placement............... 43
4.2 KEYPAD Components Placement ........ 44
4.3 FPCB Components Placement ............. 45
4.4 Baseband Components ........................ 45
4.5 Main Components (Description) ........... 46
4.6 Power On Trouble................................. 47
4.7 Charging Trouble .................................. 48
4.8 LCD Display Trouble............................. 50
4.9 Receiver Trouble................................... 52
4.10 Microphone Trouble ............................ 56
4.11 Vibrator Trouble .................................. 59
4.12 Keypad Backlight Trouble ................... 61
4.13 FOLDER Open/Close Trouble ............ 63
4.14 SIM Detect Trouble ............................. 65
4.15 Earphone Trouble ............................... 67
4.16 RF Part Troubleshooting......................72
5. DOWNLOAD .................................. 89
5.1 Download Setup.................................... 89
5.2 Download Procedure ............................ 90
6. SERVICE AND CALIBRATION...... 97
6.1 Calibration..............................................97
7. CIRCUIT DIAGRAM ..................... 101
8. PCB LAYOUT............................... 105
9. ENGINEERING MODE.................... 107
10. STANDALONE TEST.................... 108
10.1 Setting Method ............................... 108
11. EXPLODED VIEW &
REPLACEMENT PART LIST ..... 109
11.1 EXPLODED VIEW ............................ 109
11.2 Replacement Parts
<Mechanic component>.................... 111
<Main component> ........................... 113
11.3 Accessory ......................................... 124
Table of Contents
