KAC-X40
2
BLOCK DIAGRAM
POWER
INDI.
IC2
AR
AL
ISO-AMP
ISO-AMP
IC1
LINE IN (0.2-5V)
ISO-AMP
ISO-AMP
BR
IC3,4
BL
IC3,4
L
R
LINE IN
H.P.F
(40-200Hz)
IC1
IC9
SENS.
VOL
ATT
Q282,284
MUTE
Q242
POWER AMP
AR
IC1
H.P.F
(40-200Hz)
Q280,283
ATT
IC9
MUTE
Q241
POWER AMP
AL
(40-200Hz)
L.P.F
IC4
H.P.F
H.P.F
IC6
(40-200Hz)
(40-200Hz)
IC6
SENS.
VOL
BOOST
IC7
BASS
IC10
IC10
BOOST
BASS
IC8
H.P.F SEL.
ST/
MONO
SEL
SEL
MONO
ST/
A/AB
SEL
L.P.F SEL.
H.P.F SEL.
415-418
DET
OVERLOAD
AVR
15V
Q1,2,15-17
B
TH601-605
IC5
Q605,606
CON
DC/DC
POWER
ON/OFF
THERMAL
DET
LC FILTER
DC-OFFSET
Q611-614
DET
D5,6
BATT.
GND
P-CON
Q215-218,
Q3-14
FAN AVR
FAN
Q684,685
(INV)
SP OUTPUT
Q443
MUTE
MUTE
Q444
Q482,484
Q481,483
ATT
ATT
POWER AMP
POWER AMP
SP OUTPUT
BL
BR
(INV)
70W x 4ch / 4
100W x 4ch /2
(X08-433)
COMPONENTS DESCRIPTION
●
PREAMPLIFIER UNIT (X08-4330-10)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
HPS
HPF at side A 40-200Hz
IC4
LPF
LPF at side B 40-200Hz
IC6
HPF
HPF at side B 40-200Hz
IC7~8
BASS_BOOST
BASS_BOOST at side B 40-100Hz_0-18dB
IC9
X08 signal output
Lch output buffer at A side, Rch phase inversion, and output buffer
IC10
X08 signal output
Lch output buffer at B side, Rch phase inversion, and output buffer