Panasonic SA-HT680PL Service Manual page 128

SA-HT680PL
0PL
SCHEMATIC DIAGRAM-8
POWER CIRCUIT
G
F
CN501
FAN- 1
FAN+ 2
DC_DET 3
SYS6V 4
E
MUTE_H 5
6
FL 7
A.GND 8
TO
MAIN A.GND 9
CIRCUIT
FR 10
(CN2006)on
SCHEMATIC A.GND 11
DIAGRAM-4
SL 12
A.GND 13
SR 14
C 15
SW 16
D
PCONT 17
SYNC 18
19
C
H504
SUB AC1 1
TO
2
GND
REGULATOR
CIRCUIT
SUB AC2 3
B (CN2007)on
SUB+B 4
SCHEMATIC
DIAGRAM-7
FL2 5
FL1 6
A
IC501
RSN311W64D-P
Power Amp IC
E501
SNE1004-2
IN SUB
FLin FRin
C551
GND in
0.01
26 25 24 23
R501
4.7K
R505 C505
15K 1000P
R502
4.7K
R506 C506
15K 1000P
R507
3.9K
R508 R509
3.9K 4.7K
R511
15K
R504 R512
R503
15K 15K
15K
C529 R549
0.1 3.9K
D507
B0AACK000004
R553
47K
Q508
2SD0592ARA
FP1 R554
K5G502AA0002 2.2M Fun Motor Drive
C541
C537
50V2.2
0.01
C540
D530
16V10
B0EAKM000117
:+B SIGNAL LINE :MAIN SIGNAL LINE
-DI
Cin -VD +VD SRin SLin RELAY
SENS
22 21 20 19 18 17 16
R513 56K
C507 18P
R514 56K
C508 18P
R516 56K
C504
680P
C510 22P
R515 56K
C503
1000P
C509 22P
R517 56K
C501
1000P
C511 22P
R518 56K
R510 C502
4.7K 1000P C512 22P
C516 C515
0.01 0.01
C513
0.047
C517
0.01
Q503
B1AACF000117
Muting Switch
R402 R532 4.7K
1K
Q520
B1GCCFJJ0016
Muting Control
Q506
R545 D504
220K B0AACK000004 B1GCCFJJ0016
Power Supply Switch
R547 D503
Q505
390K MA2C700A0F
B1AACF000117
Power Supply Cont.
C534 R548
50V33 330K
Q507
B1ACCF000094
C538
Fun Motor Drive 50V10
N
R561
D506 R559
100
B0AACK000004 220K
R560 D505
6.8K B0AACK000004
R551
R552 C574
4.7K
4.7K 0.01
R556
Q510
10K
B1ACCF000094
Fun Motor Drive
R555
100K
128
+DI IH DISP
SL_O SR_O GND AC IN C_O
SENS DET HMUT
15 14 13 12 11 10 9
R523
120K
R524
120K
R526
120K
R525
150K
R527
120K
D502
B0JAPG000019
R519
820K
R528
150K
R529
22K
R520 C514
22K 6.3V100
Q511
R546
1K B1BACG000048
D508
B0AACK000004 DC Detect Switch
Q502
B1AACF000117
Q501
Overload Detect
B1AACF000117
Overload Detect
Q509 Q524
2SD0592ARA B1BCCG000023
Fun Motor Drive Regulator
R557
10K
C539
D519
6.3V
B0AACK000004
470
Q522
2SD0592ARA
Regulator
Q523
B1ACCF000094
C576
0.01 Regulator
D533
B0BA01100004
R591
22 C575
0.01
-VCC +VCC -VCC +VCC
SUB_O FR
LOW LOW HI HI
8 7 6 5 4 3
D501
B0JAPG000019
R530 1
R531 1
C543 R569 R567
1000P 5.6K 1.5K
C544
R568
D510
50V
150
B0BA5R000004
100
D509 C560
B0BA5R100013 10
R598
4.7
C573 R558
1000P 3.9K
C572
R596
D534
50V
150 B0BA01100029
100
C536 R595
25V330 1K
D531
B0AACK000004
R566
220K