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Panasonic SB-WA730 Service Manual page 17

Active subwoofer system

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8 Block Diagram
26
22
23
18
(25)
(19)
TO MAIN
BLOCK
(JK2000) OF
SA-HT730VP/PC-S
A
SL(R)/SURRL(R)
CCH/CENTRE
FL(R)/FRONTL(R)
DC_DET
SUBWO/SUBWOOFER
HP_CNT/MUTE_H
AC1(4)/SUBAC1
AC2(5)/SUBAC2
FL1
FL2
PCONT
SYNC
POWER CONTROL
CIRCUIT
15
20
3
6
1
(2)
D501
B
B
FILTER
FILTER
FILTER
FILTER
D508
Q552~Q557
Q520
Q503
INTERFACE
SWITCH
SWITCH
Q515,Q519
DCDET
SWITCH
Q516
SYNC
SWITCH
SIGNAL LINES
: MAIN SIGNAL LINE
(
) Indicates Pin No. of Right Channel
8
12(11)
5
Q501,
Q502
SWITCH
Q512
B
VOLTAGE
B
REGULATOR
B
FAN
MOTOR
DRIVE
M
B
B
Q511
VOLTAGE
REGULATOR
D528
Q517
VOLTAGE
B
REGULATOR
Note : Signal Lines are applicable to the Left Channel only.
17
IC501
RSN311W64D-P
POWER HIC
POWER CONTROL/PROTECTION CIRCUIT
13
4
24
9
14
7
21
B
B
B
D502
Q506
INTERFACE
SWITCH
Q505
SWITCHING
T501
D597
D598,D599
B
RLY501
T502
Z501
F1
E500
SB-WA730PP
16
JK501(JK502)
SURROUND
SPEAKER
JK502
CENTRE
SPEAKER
SUBWOOFER
JK501
FRONT
SPEAKER
JK500
AC INLET
E501

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