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LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved
Only for training and service purposes
2. Digital/Voice Processing Part
2.1 Overview
The digital/voice processing part processes the user's commands and processes all the digital and voice signal
processing in order to operate in the phone. The digital/voice processing part is made up of a main keypad/touch
keypad/LCD, receptacle part, voice processing part, mobile station modem part, memory part, and power supply part.
2.2 Configuration
2.2.1 Keypad/LCD and Receptacle Part
This is used to transmit keypad signals to MSM6550. It is made up of a keypad backlight part that illuminates the
keypad, LCD part that displays the operation status onto the screen, and a receptacle that receives and sends out voice
and data with external sources.
2.2.2 Voice Processing Part
The voice processing part is made up of an audio codec used to convert MIC signals into digital voice signals and
digital voice signals into analog voice signals, amplifying part for amplifying the voice signals and sending them to
the ear piece, amplifying part that amplifies ringer signals coming out from MSM6550, and amplifying part that
amplifies signals coming out from MIC and transferring them to the audio processor.
2.2.3 MSM (Mobile Station Modem) 6550 Part
MSM is the core elements of CDMA terminal and carries out the functions of CPU, encoder, interleaver,
deinterleaver, Viterbi decoder, Mod/Demod, and vocoder.
2.2.4 Memory Part
The memory part is made up of a NAND Flash memory and a SDRAM for storing data.
2.2.5 Power Supply Part
The power supply part is made up of circuits for generating various types of power, used for the digital/voice
processing part.
Z3X-BOX.COM
Содержание VX10000 Voyager
Страница 129: ...1 Assembly and Disassembly Diagram Z 3 X B O X C O M ...
Страница 130: ...Z 3 X B O X C O M ...
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Страница 132: ...2 Block and Circuit Diagram Z 3 X B O X C O M ...
Страница 134: ...VX10000 Circuit Diagram Main FPCB Z 3 X B O X C O M ...
Страница 135: ...Main Board Circuit Z 3 X B O X C O M ...
Страница 136: ...Z 3 X B O X C O M CDMA ANT DCN ANT DCN TX DCN RX PCS ANT PCS TX PCS RX GPS Internal Use Only ...
Страница 137: ...Z 3 X B O X C O M Internal Use Only ...
Страница 138: ...Z 3 X B O X C O M Internal Use Only ...
Страница 139: ...Z 3 X B O X C O M Internal Use Only ...
Страница 140: ...Z 3 X B O X C O M Internal Use Only ...
Страница 141: ...Z 3 X B O X C O M Internal Use Only ...
Страница 142: ...Z 3 X B O X C O M Internal Use Only ...
Страница 143: ...FPCB Circuit Z 3 X B O X C O M ...
Страница 144: ...Z 3 X B O X C O M Internal Use Only ...
Страница 145: ...3 Part List Z 3 X B O X C O M ...
Страница 156: ...4 Components Layout Z 3 X B O X C O M ...
Страница 159: ...cam3 cam4 D1 D2 D3 D4 LED100 LED101 LED102 SW100 SW101 SW102 R104 R105 R107 CON101 CON103 Z 3 X B O X C O M ...
Страница 160: ...U101 cam1 cam2 R100 R101 R102 CON102 C100 C101 C102 C104 C105 Z 3 X B O X C O M ...
Страница 161: ...5 BGA Pin Map Z 3 X B O X C O M ...
Страница 162: ...BOTTOM VIEW 1 U2004 MSM6550 V5 PIN A1 Corner USED NOT USED Z 3 X B O X C O M ...
Страница 163: ...BOTTOM VIEW 2 U3001 MCP TYA000BC10H0GG PIN A1 Corner USED NOT USED Z 3 X B O X C O M ...
Страница 164: ...BOTTOM VIEW USED NOT USED 3 U4002 Audio Amp MAX9775EBX PIN A1 Corner Z 3 X B O X C O M ...