LG SJ8S Service Manual

3-3
Copyright © 2017 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
DSP
MAIN/AMP PCB
Micom
27 MHz
MTK_RST/TX/RX
DDR3
128 Mbyte (1 Gbit )
DCDCs
P_CTRL
SPDIF
Optical In
Wireless
Module
5 G
Serial
Flash 1 MB
BT_UART
Serial Flash
SPI
WL_MUT/MSG_RDY/I2C
SPI
USB (SVC)
HDMI IN HDMI OUT
BT_RESET/STANBY
EMERGENCY/WAKE
RCU_IN
KEY
LCD_CLK /STB/DAT/BL_CTRL
TW
RL 40 W (15 W)
TMDS/RX_HPD/I2C/PWR5V/CEC
TMDS/HPD/I2C/ARC/CEC
I2C/HPD/CEC/EDID_SW
PWM_RST MUTE I2C_DAT I2C_CLK
M_BCK/LRCK/DATA0,1,2
PWM_DATA2/ LRCK/BCK
PWM
AMP
FL 40 W (15 W)
LPF
TW
FL/FR (RL/RR)
IR -Receiver
Front PCB
F
t
o
B
C
LCD (5 Digit)
Key PCB
Serial Flash
16 MB
SPI
Adapter
25 V
Wireless
Active Woofer
160W(80W)
Wireless
Module
2.4 G/ 5 G
Serial
Flash 1 MB
SECONDARY
PWM_DATA1/LRCK/BCK
JACK PCB
WL_MUT/MSG_RDY/I2C
USB1+/-
BT_SPDIF
BLOCK DIAGRAMS
1. PRIMARY BLOCK DIAGRAM

LG SJ8S Specifications

General

Brand	LG
Model	SJ8S
Category	Speaker System
Language	English