POWERED SUBWOOFER
18
BLOCK DIAGRAM
HIGH PASS OUTPUT
LEFT CH INPUT
HIGH PASS OUTPUT
RIGHT CH INPUT
HIGH PASS OUTPUT
80Hz/12dB
BUFFER
HIGH PASS OUTPUT
80Hz/12dB
BUFFER
VOLUME IC
PT2259S
BASS BOOST
MUSIC/CINEMA
SHELF EQ
FIXED LFE LOWFIXED LFE LOW
PASS FILTER
(250Hz/12dB)
VARIABLE LP
FILTER
(40-140Hz/12dB)
(40-140Hz/12dB)
FILTER
VARIABLE LP
PHASE ADJUST
(0-180)
CURRENT
AMPLIFIER
FAN CONTROL
DC FAN
OVER CURRENT
/OFF SET
TROTECT
IR
RECEIVER
MCU
FREQUENCY
CONTROL
LEVEL
MANUAL
CONTROL
PHASE
CONTROL
LED DISPLAY
AUTO ON/OFF
AUTO /MANUAL
SW
SPEAKER
PROTECT PLY
PROTECT PLY
+Vcc
+12V
AC/DC
AC/DC
Limited
HP FILTER
18Hz/12dB
