LG SJ7 - Maintenance

3-4
Copyright © 2017 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
AMP_SCL/SDA
PS_SCL/SDA
AMP_PS_RST BCK/LRCK SDATA0
PS_RST PS_I2S_BCK PS_I2S_LRCK PS_I2S_ADATA0
AMP_SD_OTW
WL_PS_SCL /SDA
WL_PS_RST WL_BCK/WL_LRCK WL_SDATA1
DC_DETECT/AMP_PROTECT
AMP_PDN
AMP_WL_FAULT
SMSC_AMP_PDN
AMP_FAULT
AMP_PDN
FL+/FR-
P_SENS
WL_P_CTRL
IC501
Flash (1 MB) -EQ
Battery
Charger
Sound Bar
Rear Speaker
Portable
Power Off
Flash
(1 MB)
USB
(SVC)
IC500
Flash (2 MB) -DSP
AMP
PWM
I2S
selection
/SF_CS2
WL_SCL/SDA
WL_SPI_WP
/WL_SPI_CS
/WL_SPI_CLK
WL_SPI_DO
WL_SPI_DI
/SF_CS
UART_TX /UART_RX
Battery
status
Bluetooth
status
MCLK
Slave
VOL+/-,Play, BT
PARING S/W
WL_RST
DSP
Master
Wireless Rx
Slave
Master
SW
Inverter
AMP_CLIP0
AMP_MUTE
BT_CTRL
SF_CLK SF_DO SF_DI
/
PWR_SENS
PWR_GD(DC/DC)
25 VA
WL_LED_W
WL_LED_R
PWR_ON_LED_W
APD_LED_R
BAT_SENS
BAT_STAT
Adapter
25 V
TW
RL 40W (15 W) FL 40 W (15 W) TW
SW
WLS_CTRL
KEY PCB
Wireless
status
FRONT PCB
24.576 MHz
DC_IN
3.3 V
P_CTRL
2. SECONDARY BLOCK DIAGRAM