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KAC-X20
ISO AMP
IC12
LINE IN
L
LINE OUT
L
ISO AMP
IC16
LINE IN
R
LINE OUT R
PREAMPLIFIER UNIT (X08-4320-10)
Ref. No.
IC1
HPF
IC2
Phase inversion amplifier (Lch only)
IC3
LPF
IC4
I.S.F 15Hz
IC5
I.S.F 25Hz
AUDIO UNIT (X09-8570-10)
Ref. No.
IC5
DC/DC converter
IC6
Temperature detection comparator
IC7,8,13
Bass boost amplifier
IC9
For bass boost gain and frequency adjustments
IC12,16
Input isolation amplifier
IC15
Bass boost mix amplifier
±15V AVR
Q1,2
Q3~8
FET for DC/DC converter
2
BLOCK DIAGRAM
(X08-432)
FILTER
LPF/OFF/HPF
IC1
HPF
40-200Hz
IC3
MO/ST
LPF
40-200Hz
IC1
HPF
40-200Hz
REMOTE
CONTROL
f,GAIN
15V
COMPONENTS DESCRIPTION
Application / Function
Application / Function
ISF
OFF/15/25
IC7-9,13.15
IC4,5
IC2
BASS
ISF
BOOST
15,25Hz
40-100Hz
-1
SENS
IC4,5
IC2
BASS
ISF
BOOST
15,25Hz
40-100Hz
f=40-100Hz
GAIN=0-18dB
Q1,2,16-18
Operation / Condition / Compatibility
Operation / Condition / Compatibility
POWER AMP
Q201-229
Q241
MUTE
Q201-229
Q242
MUTE
Q601-606
CONTROL
AVR
D.D. CON.
IC5,Q3-14
SP OUT L
SP OUT R
P-CON
BATT
GND
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