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 C3380
Страница 1: ...Service Manual Model C3380 Date November 2005 Issue 1 0 Service Manual C3380 ...
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Страница 83: ...4 TROUBLE SHOOTING 84 4 11 KEY backlight Trouble Test Points Figure 4 22 ...
Страница 98: ...4 TROUBLE SHOOTING 99 Yes No Yes No Replace M201 Establish a call Replace U101 Software Re_download ...
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Страница 116: ... 117 8 PCB LAYOUT ...
Страница 117: ... 118 8 PCB LAYOUT ...
Страница 125: ...10 STAND ALONE TEST 126 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
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