1. INTRODUCTION
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1.3 Abbreviations
For the purposes of this manual, following abbreviations apply:
APC
Automatic Power Control
BB
Baseband
BER
Bit Error Ratio
CC-CV
Constant Current - Constant Voltage
DAC
Digital to Analog Converter
DCS
Digital Communication System
dBm
dB relative to 1 milli watt
DSP
Digital Signal Processing
EEPROM
Electrical Erasable Programmable Read-Only Memory
ESD Electrostatic
Discharge
FPCB
Flexible Printed Circuit Board
GMSK
Gaussian Minimum Shift Keying
GPIB
General Purpose Interface Bus
GSM
Global System for Mobile Communications
IPUI
International Portable User Identity
IF Intermediate
Frequency
LCD
Liquid Crystal Display
LDO
Low Drop Output
LED
Light Emitting Diode
OPLL
Offset Phase Locked Loop
Содержание KG225
Страница 1: ...Date April 2006 Issue 1 0 Service Manual Model KG225 Service Manual KG225 M O B ILE CAM E R A ...
Страница 3: ... 4 ...
Страница 19: ...3 TECHNICAL BRIEF 20 Figure 3 4 SYSTEM INTERCONECTION OF AD6720 EXTERNAL INTERFACE ...
Страница 66: ...4 TROUBLE SHOOTING 67 4 12 KEY backlight Trouble Q300 R359 TEST POINT Figure 21 ...
Страница 79: ... 80 5 DOWNLOAD B Multi Download Procedure 1 Run GSM Multi Download program and select Setting ...
Страница 82: ... 83 5 DOWNLOAD 7 Check if the ADI option is set to Hermes 8 Press OK to end Configuration Select Rate ...
Страница 84: ... 85 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ...
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Страница 92: ... 93 KG225 8 PCB LAYOUT ...
Страница 93: ... 94 KG225 8 PCB LAYOUT ...
Страница 101: ... 102 10 STAND ALONE TEST Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
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Страница 125: ...Note ...
Страница 126: ...Note ...