2
KAC-8405
KAC-9405/9405M
BLOCK DIAGRAM
40Hz
+18dB
50-200Hz
ISO-AMP
IC1,2
BOOST
IC9,10
BASS
IC1,2
ISO-AMP
BOOST
IC9,10
BASS
(0.2-5V)
LINE IN
AR
L+
AL
L-
R+
R-
Q601,603
ATT
MUTE
Q605
POWER AMP
MUTE
ATT
604
Q606
Q20,21
D14,15
IC14
15V
AVR
B
CON
DC/DC
LC FILTER
THERMAL
DC-OFFSET
OVERLOAD
DET
DET
DET
BATT.
GND
P-CON
Q523-526,
Q703
Q711,712
SIGNAL
DETECTOR
Q715,716
Q3
PRIORITY
P-CON
Q10,11
POWER
ON/OFF
Q705
AVR
FAN
FAN
POWER AMP
BR
BL
SP OUTPUT
(INV)
621-624
CLIPPER
CLIPPER
Q602,
H.P.F
IC12
IC13
L.P.F
H.P.F
L.P.F
IC12
IC13
SENS.
VOL
ST/
MONO
MONO
ST/
SENS.
VOL
BR
BL
IC3,4
ISO-AMP
ISO-AMP
IC3,4
(INV)
L.P.F
L.P.F
H.P.F
IC7
IC8
H.P.F
IC7
IC8
MUTE
MUTE
ATT
Q502,
CLIPPER
504
Q506
ATT
CLIPPER
Q501,503
Q505
POWER AMP
AR
POWER AMP
AL
SP OUTPUT
VOL
SENS.
SENS.
VOL
L-
R-
R+
L+
SPEAKER LEVEL INPUT