Polk Mono Signa S4 Service Manual page 31

WIRING DIAGRAM for Sound bar
WIRING DIAGRAM for SoundBar
POWER BORAD
AC IN
KEY BORAD
KEY PCB
MT8518S MAIN BORAD
Wireless
Module
IA3ST4
XP2
CN2
PW PCB
6pin 160mm cable
BT Module 2853 BT Module 2853
KEY X5 KEY X5
RGB LED x5
20pin 0.5mm FFC
MT8518S
DDR 2GB
Flash
2GB
PMU
MT6395
ADC DC-DC LDO
ES7241 SY8120I SMG2036
P4 U19 P1
USB
OPT AUX
U28
U28
HDMI(EARC)
BORAD
31
6P Wire
XP14
Amplifier
XP6
SN5805*3
6P Wire
XP2
IR
DC-DC
SY8088
MAIN PCB
12*2 pin Dupont needle
HDMI
P1
ARC
HDMI PCB
2P Wire