KAC-8402/8452
2
BLOCK DIAGRAM
L
AMPLIFIER
ISOLATION
HPF
AL
SPK
HPF
ISOLATION
AMPLIFIER
SPK
R
AL
FREQ
12dB
IC5 (X08)
IC1
MUTE
POWER AMP
OUTPUT
SPEAKER
SW1
ST/MONO
Q201-225
Q241,242
MUTE
POWER AMP
OUTPUT
SPEAKER
12dB
IC1 (X08)
INVERT
HPF
HPF
AMPLIFIER
ISOLATION
AMPLIFIER
ISOLATION
SPK
BR
R
L
IC2
BL
SPK
SW2
ST/MONO
IC4 (X08)
Q401-426
12dB
12dB
IC1 (X08)
INVERT
MUTE
Q443,444
MUTE
SPEAKER
SPEAKER
OUTPUT
OUTPUT
POWER AMP
POWER AMP
B.B
LPF
IC6 (X08)
SW4
HPF/OFF/LPF
18dB
IC7,8 (X08)
B.B
SW
SW
AB/A
SW0
L
OUTPUT LEVEL
R
P CON
CIRCUIT
AVR
P-CON
CONVERTER
DC/DC
OVERLOAD PROTECTOR
DC DETECTOP
BATTERY
CIRCUIT
OVER VOLTAGE
PROTECTION
THERMAL
15V
LINE IN
6dB
0dB
32.5dB
0dB
INPUT SENS
INPUT SENS
(A)
(B)
LINE IN
(A+B)
LINE OUT
HPF/OFF
SW3
X08
X09
X09
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