Block Diagrams; System Block Diagram - LG LAS454B Service Manual

BLOCK DIAGRAMS

1. SYSTEM BLOCK DIAGRAM

POWER/FUNC/VOL+/- (key)
RMC
LED
USB D+/D-
SPI
Flash
(4 MB)
Flash
(1 MB)
SDRAM
(8 MB)
MAIN_PWR_CTRL
AMP_P_CTRL
DC to DC,
LDO
DRV_VBUS2.0
MCS_RST
Reset IC
PWM SDA/SCL
PWM RST/MUTE
TX_LRCK/BCK/ADATA0
AMP_FAULT/DC_DET/CLIP0/PROTECT
AMP_PDN(RST)
BT_CTS/RTS, BT_SCL/SDA, BT_RST
MLC3730
WL_INT
WL_RESET
WL_SPI/MUTE/CLK/DAT/MSG_RDY
DIR_LRCK/BCK/ADATA
DIR_MCLK
DIR_CSD/TEMP/RCBL/INT
DIR_RST
DIR_SDA/SCL
OPT_DET
PORT_DET
3-23
FL_P/N, FR_P/N
TAS5612
PWM
PS9860
PWM_TX_LRCK/BCK/ADATA2
LFE_P/N
CSR8811
Wireless
ADC_BCK/LRCK
CS8422
ADC_ADATA
OPT_IN
3-24
FL
50 W
AMP
LPF
TL
50 W
AUDIO OUT
AUDIO IN
Wireless
TX
Rx
Option
Portable IN
PORT_L/R
PCM1808
Optical IN