Table Of Contents
1. INTRODUCTION…………………....3
1.1 Purpose………………………………….3
1.2 Regulatory Information………………...3
2. PERFORMANCE…………………...5
2.1 H/W Features…………………………...5
2.2 S/W Features…………………………...6
3. TECHNICAL BRIEF……………….19
3.1 Digital Main Processor(
MT6235
)………..19
3.2 Power Amplifier Module(
SKY77531
)…….27
3.3 Transceiver Module(
AD6548
)…………...28
3.4 Bluetooth Module (
MT6601
)………….….30
3.5 Memory Module (
K5D12571CA-D090)
……...33
3.6 FM Radio Module (Si4708)…………..38
3.7 LCD Interface……………………….…40
3.8 SIM& Micro SD Card Interface….…...43
3.9 KEYPAD Interface………..…………...45
3.10 Battery Charging Block Interface…..46
3.11 Audio Interface……………….….…...47
3.12 Vibrator Interface….…………………49
3.13 Camera Interface…………………….50
4. TROUBLE SHOOTING…………...52
4.1 Power On Trouble…………………….52
4.2 SIM Card Trouble……………………..58
4.3 Vibrator Trouble……………………….61
4.4 RTC Trouble…………………………...63
4.5 SIM1 SIM 2 LED Trouble…………….65
4.6 Sub Key LED backlight Trouble……..67
4.7 LCD Backlight Trouble……………….70
4.8 LCM Trouble…………………………..73
4.9 Charging Trouble……………………..77
4.10 Master Microphone Trouble……......81
4.11 Receiver Trouble……………...…….84
4.12 Camera Trouble……………………..87
4.13 Key Board Trouble……………….....90
4.14 Flash LED Trouble………………….95
4.15 Bluetooth Voice Trouble………….98
4.16 Speaker Trouble…………………101
4.17 Headphone Trouble……………..104
4.18 T-Flash Trouble…………………..109
4.19 USB Download Trouble………....112
4.20 Bluetooth Trouble………………..117
4.21 FM RECEIVER Trouble…………122
4.22 RF TRANSCEIVER +AP Trouble124
5. DOWNLOAD………………...…132
5.1 Download setup…………………...132
5.2 Download Process………………...133
6. BLOCK DIAGRAM…………….141
7. CIRCUIT DIAGRMA……………142
8. BGA IC PIN Check…………….155
9. PCB LAYOUT…………………..158
10.ENGINEERING MODE……….160
11. CALIBRATION………………..168
11.1 Test Equipment Setup…………..168
11.2 Calibration Steps………………...169
12. STAND ALONE TEST……….208
12.1 Test Configuration……………….208
12.2 META tool Install process………209
12.3 Rx Test……………………………212
12.4 Tx Test…………………………….217
13. EXPLODED VIEW&
REPLACEMENT PART LIST…….219
13.1 Exploded View……………………219
13.2 Replacement Part list.…………....221
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