LG SL4Y - Block Diagrams; System Block Diagram

3-3
Copyright © 2019 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
TACT-KEY
USB DP/DN
RMC
Flash for DSP
(2 MByte )
SPI
Flash for EQ
(1 MByte )
FRONT LCD
MB8811 C1
BT_CLK/DAT, BT_RX/TX, BT_RST
FL/TWL
FR/TWR
FL_P/N, FR_P/N AMP_PDN(RST) AMP_FAULT/CLIP0/PROTECT
LPF
Wireless
Woofer
Wireless
Module
Rx
WL_MUTE/INT_WF/MSG_RDY_WF WL_CLK_WF/DAT_WF
5 GHz
BCK/LRCK/ADATA2_WF
SPI
Flash
(1 MB)
Wireless
Module
TX
OPT_IN / OPT_DET
Optical IN
AMP
27Mhz
USB PLAYBACK
POWER/FUNC/VOL+/-
MAIN SoC
IC501
Crescendo 3+
IC402
TUNER
TUNER_CE/CLK DAT/RST
32.768 KHz
ADAPTOR
25 V
Wireless
Rear Box
Wireless
Module
Rx
WL_MUTE/INT_RR/MSG_RDY_RR WL_CLK_RR/DAT_RR/
5 GHz
BCK/LRCK/ADATA2_RR
SPI
Flash
(1 MB)
Wireless
Module
TX
TUNER_L/ TUNER_R
LCD_STB/RST/CD/CLK/DAT
50W
50W
200W
60W
+
60W
New
Rear Wireless Ready
BLOCK DIAGRAMS
1. SYSTEM BLOCK DIAGRAM