Panasonic SB-WA340EBS1 Service Manual page 26

Active subwoofer system
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26
22
23
18
(25)
(19)
TO MAIN
BLOCK
(JK700) OF
SA-HT1000EB/EG-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
IC502
C0AABB000055
Q513,
Q514
DUAL
DC DET
LOW-NOISE
SWITCH
OP AMP
Q520
Q503
INTERFACE
SWITCH
SWITCH
D508
Q515,Q519
DCDET
SWITCH
B
Q517
VOLTAGE
REGULATOR
SIGNAL LINES
: MAIN SIGNAL LINE
(
) Indicates Pin No. of Right Channel
8
12(11)
Q501,
Q502
SWITCH
Q507~Q510
FAN
MOTOR
DRIVE
M
Q511
VOLTAGE
REGULATOR
B
D527~D530
Q516
SYNC
SWITCH
Note : Signal Lines are applicable to the Left Channel only.
IC501
RSN311W64B-P
POWER HIC
POWER CONTROL/PROTECTION CIRCUIT
5
24
13
9
14
B
Q506
INTERFACE
SWITCH
Q505
SWITCHING
FILTER
FILTER
FILTER
D513~D515,
D517
B
D511,D512,
D516,D518
B
T502
Z501
7
21
4
16
B
B
D502
JK501(JK502)
SURROUND
SPEAKER
JK502
CENTRE
SPEAKER
SUBWOOFER
JK501
FRONT
SPEAKER
T501
RLY501
B
JK500
AC INLET
L500
F1
E500

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