LG SJ2 - Block Diagram

4-9 4-10
BLOCK DIAGRAM
-+
3 Ω
100 W(10 %)
SDOUT
MCLK
ABCK
LRCK
TAS5538
PWM
VOLUME
Wireless subwoofer box
RX
PWR AMP
U201
Subwoofer
LED-W
SW-TACK
Internal Antenna
Wireless module
DC to DC
BK3.3 V
BK3.3 V
W33
MOSFET
AO3403
26 V
V33
AC-CORD
SUB Power Board
+26 V OUT
115 W PSU
MOSFET
AO4425
Magnat SUB: 140 W 10 % 31 V
Magnat SUB: 105 W 10 % 25.7 V
fixed AC power cord