User Guide

Contents
1.
Specification
1-1.
GSM/CDMA General Specification
...........................................................................1-1
1-2.
GSM TX power class
...............................................................................................1-2
2.
Exploded View and Parts list
2-1.
Cellular phone Exploded View
..................................................................................2-1
2-2.
Cellular phone Parts list
............................................................................................2-2
2-3.
Disassembly
...............................................................................................................2-4
2-4.
Assembly
....................................................................................................................2-8
3.
ChartofTroubleshooting
3-1.
Baseband
............................................................................................................3-1
3-1-1.
Power ON
.....................................................................................................3-1
3-1-2.
System Initial
................................................................................................3-6
3-1-3.
SIM Part
.......................................................................................................3-8
3-1-4.
Charging Part
.............................................................................................3-10
3-1-5.
Microphone Part
.........................................................................................3-13
3-1-6.
Speaker Part
..............................................................................................3-16
3-1-7.
Receiver Part
.............................................................................................3-20
3-1-8.
Camera Part
..............................................................................................3-22
3-1-9.
LCD
.............................................................................................................3-26
3-2.
RF
......................................................................................................................3-13
3-2-1.
EGSM Receiver
.........................................................................................3-30
3-2-2.
EGSM Transmitter
.....................................................................................3-31
3-2-3.
DCS Receiver
............................................................................................3-32
3-2-4.
DCS Transmitter
........................................................................................3-33
3-2-5.
PCS Receiver
.............................................................................................3-34
3-2-6.
PCS Transmitter
.........................................................................................3-35
3-2-7.
UMTS Receiver
..........................................................................................3-40
3-2-8.
UMTS Transmitter
......................................................................................3-41
3-2-9.
BLUETOOTH
..............................................................................................3-45