LG SJ8 - Block Diagrams; System Block Diagram

3-3
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Only for training and service purposes.
MPEG
IC501
MAIN PCB
MICOM
IC101
27 MHz
UART/RST
Nandflash
IC505
DDR3 x2
IC503,IC504
LCD
(7 Digit)
IR -Receiver
KeyPCB
Adapter
25 V
FL 40 W
DCDCs
P_CTRL
LPF
LCD_CLK /STB/DAT/BL_CTRL
RCU_IN SPDIF
Optical In
Key
Wireless
Module
DSP_I2S
Wireless
Active Woofer
Serial Flash
IC201
BT_UART
Serial Flash
IC102
SPI
FR 40 W
M_I2S
WL_MUT/RST/INT/MSG_RDY/I2C
SPI
USB1+/-
DAC
IC705
DSP
IC260
Serial
Flash
IC261
Front PCB
SPI
SPI DSP_RST DSP_CS
DSP_I2S
AMP
IC708
DAC_RST
SCL
/
DSA
/CS
AMP_MUTE/ /CLIP0/PDN/ FAULT
SPI
USB2+/-
AMP
IC706
TL 25 W TR 25 W
Ethernet
27 MHz
HDMI IC
IC800
USB (Service only)
HDMI IN
HDMI OUT
I2 C
MPEG_SPDIF
HDMI_SPDIF
TMDS
TMDS
TP_TX / RX
Serial
Flash
IC801
SPI
HDMI_ARC
HDMI_ARC
BT_UART_RX
BT_SCL /SDA/RESET
OP AMP
IC704
OP AMP
IC702
3 Color LED
R/G/B_LED CTRL
OP_MUTE
MCS
OPT_DET
AMP PCB
BLOCK DIAGRAMS
1. SYSTEM BLOCK DIAGRAM