Block Diagram - Kenwood kac-X1R Service Manual

KAC-PS1D/X1R
(X09-856)
L
R
L
LINE OUT
SEL.
R
REM
LEVEL
0-18dB
FREQ
40-100Hz
IC19(2/2,)
Q179,180
DC-OFFSET
DET
IC11(X08- )
DRIVER
FL
2

BLOCK DIAGRAM

(X08-431)
SENS. VOL
VR1
IC10,11 IC3
ISO-AMP
VR1
IC10,11 IC3
ISO-AMP
IC13(2/2) IC14 IC15,16
SUMMING DEAD
COMP
AMP TIME
IC20(1/2) IC15 IC16,21
TRIANGLE DEAD
COMP
WAVE TIME
IC20
(2/2)
I.N.V
IC6,7,
Q174-178 TH1,2
OVERLOAD THERMAL
DET DET
IC1
u-COM
IC2
L.P.F
IC1
IC55-57
(400Hz)
BASS
L/R MIX
BOOST
IC4
L.P.F
VR3
IC6 IC7
S3
I.N.V I.S.F
I.N.V
FREQ
SEL.
(15-60Hz)
Q159,164-167,
Q44,45,157,189
191,193
LEVEL
DRIVE
SHIFT
Q158,160-163,
Q42,43,156,188
190,192
LEVEL
DRIVE
SHIFT
Q150,151
D-AMP
ON/OFF
BATT.
CURRENT
Q25,26,
28,32 Q31,33,34
15V +HB
AVR AVR
IC3
DC/DC
CON
Q50-53
FL
B
AVR
Q1,2
POWER
ON/OFF
ROTARY
PUSH SW
Q3-5
+5V
AVR
IC8
L.P.F
SEL.
B.R.F
B.R.F
S2
SEL.
S1
-6dB
-12dB
FREQ FREQ
(40-200Hz) VR4 (40-200Hz)
IC24 Q101,102,131
S4
1 MUTE
LIMIT ATT
I.S.F
SEL.
Q170,171,
186,187
FINAL
MOS-FET
LC FILTER
Q168,169,
184,185
FINAL
600W/4
MOS-FET
1200W/2
1200W OVER/1
IC13(1/2)
NF AMP
POWER
INDI.
BATT. VOLT
(to u-COM)
LC FILTER
Q37,38,83
FAN AVR
FAN
P-CON
BATT.
GND