Kenwood KFC-WDA69RC Service Manual
COMPACT POWERED SUB WOOFER
MAXMIN
LEVELFREQUENCYPHASE
0 180
(Hz)
80
50
150
100
Fastener
(J69-0148-08)
Remote controller assy
(A70-0416-08)
Grille
(B06-1779-08) x2
Protector
(F09-2003-08) x2
Woofer
(T10-1243-08) x2
Adhesive tape
(J69-0159-08)
Mounting hardware
(J22-0054-14) x2
Screw set
(N99-1753-05)
DC cord
(E30-7049-08)
Cord with connecter
(E30-7048-08)
Screw set
(N99-2148-05)
REMOTE
LINE IN
SPEAKER INPUT
POWER
SUB WOOFEROUTPUT
MAXIMUM
KFC-WD A69RC
SERVICE MANUAL
© 2004-2 PRINTED IN JAPAN
B53-0137-00 (N) 2704
2
IC1
IC1
LINE IN
R
J1
L
SP IN
R
J101
L
IC2
IC2
IC4
IC6
L.P.F.
IC3ALC
IC5
IC5 IC103
Q101
IC101
FET
Q101
FET
Q102
Q104
FET
FET
Q103
L.P.F.
L.P.F.
IC102
FET
DRIVER
DC PROTECT.
B.U, ACC DET.
IC101
J102
J101
AVR
Q107
AVR
Q105
IC6
MINI DIN(J2)
AVR
LPF FREQ. SELCTOR
(50,80,100,150Hz)
(0,180 )
+B
ACC
B.U
P-CON
+B
12V
VCC
1/2VCC
12V
9V
TEMP. DET.
VOLUME CONTROL
PHASE SELECTOR
LPF AMP
REMOTE CONTROL UNIT
ISOLAION AMP
ISOLAION AMP
ISOLAION AMP
ISOLAION AMP
VOLUME
GAIN AMP PHASE SEL.
MUTE
PWER AMP
CHOPP. OSC
CONTROL
CIRCUIT
OVV. PROTECTION
OC.PROTECT.
SUBWOOFER OUTPUT
POWER INPUT
KFC-WD A69RC
BLOCK DIAGRAM
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