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LG SJ4Y Service Manual

LG SJ4Y
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3-4
Copyright © 2017 - 2019 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
DCDC
[2 A]
PVDD
12 VA
SMPS
(24.5 V)
AMP
1.2 V
DSP
WIRELESS
Module
WLS_3.3 V
3.3 VA
BT Module
RCU
OPTICAL
DCDC
DCDC
Switching
TR
12 V
1.2 V
5.1 VA
3.3 VA
1000mA
100mA
PWMSwitch
WL_CTRL
P_CTRL
P_CTRL
P_CTRL
10mA
100mA
10mA
10mA
100mA
100mA
PWM_3.3 V
USB, LCD
1100mA
VCC_5 V
Switch
3.3 VA
3.3 VA
Ctrl_VCC
Alive VCC
LDO or Switch
DCDC
DCDC
5 V
MICOM
1.5 V 1.5 V
Switch
D_3.3 V
100mA
20mA
100mA
12 V
3.3 VA
3.3 VA
Switch
WL_CTRL
350mA
DSP, DDR
D33_CTRL
2. POWER BLOCK DIAGRAM

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LG SJ4Y Specifications

General IconGeneral
Audio decodersDolby Digital
RMS rated power300 W
Audio output channels2.1 channels
Audio Return Channel (ARC)Yes
Soundbar speaker RMS power120 W
Subwoofer typeActive subwoofer
Receiver includedNo
Power consumption (standby)0.5 W
Power consumption (typical)20 W
HDMI in1
HDMI version1.4
Bluetooth version4.0
Number of HDMI outputs-
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technologyWired & Wireless
Digital audio coaxial in0
Apple docking compatibilityNot supported
Product colorBlack
Consumer Electronics Control (CEC)SimpLink
Weight and Dimensions IconWeight and Dimensions
Depth86.3 mm
Width889 mm
Height56 mm
Subwoofer depth252 mm
Subwoofer width171 mm
Subwoofer height320 mm
Subwoofer weight4200 g

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