Block Diagrams; System Block Diagram - LG SJ3 Service Manual

BLOCK DIAGRAMS

1. SYSTEM BLOCK DIAGRAM

Bluetooth
Module
Optical In
Potable In
USB
RMC
Front PCB
IR -Receiver
TACT-KEY
LED 4EA
BT_UART
BT_RST/CLK / DAT
SPDIF /OPT_DET
Potable_L / R, Potable_DET
USB+/-
RCU_IN
KEY (POWER/FUNC/VOL+/ -)
LED_CTRL
3-19
27 MHz
AMP_PROTECT/FAULT/PDN
DC_PROTECTION
FL_OUT_P/N, FR_OUT_P/N
I2S(BCK/LRCK/ADATA2)
WL_MUT/RST/INT
MAIN DSP
MSG_RDY/I2C
P_CTRL
CLK/DAT
CLK/DAT
3-20
LPF
Audio
AMP
Wireless
Module
SPI
Serial
Flash 1 MB
DCDCs
Serial Flash
2 MB (DSP)
SMPS
25 V
Serial Flash
1 MB (EQ)
FL
FR
Wireless
Sub
Woofer