Panasonic SA-PM21PC - Power Circuit Schematic

18.5. Power Circuit
HI_LEFT
AGND
HI_RIGHT
A 9V
TNR_GND
LOW_L
AGND
LOW_R
A 9V
MUTEB
MOTOR_GND
MOTOR_10V
PCONT_2
Q530
2SD0592ARA
SWITCH
R380
2.2K
C512
0.1
D505
D502
D501
D504
C501
25V6800
D380
B0AACK000004
IC300
AN17831A
POWER AMP IC
2
4
6
8
9
7
5
3
1
Q530
R515
1.5K
R514
1.5K
R510
220
R511
220
R506
1.8K
R504
180
R503
1.2
R501
1.2
R502
1.2
R505
100K
Q501,Q504
B1AACF000063
SWITCH
Q501
Q504
Q503
B1BCCG000002
STABILIZER
C502
25V10
C510
25V10
C507
0.01
Q500
KRA110MTA
CURRENT LIMITTING
CN501A
CN508B
SYS6V
PCONT_1
HALT
2
4
6
8
7
5
3
1
HALT GND2 GND1 SYS6V PCONT-1 MOTOR 10V AMP-VCC AMP_VCC
Q500
VREF-
D5V
CD_DGND
9V_GND
HALT
PCONT_1
SYS6V
CD_7.5V
PGND
CN503B
WH505A/
JW505A
D501 D502 D504 D505
B0EAMM000038
: MAIN SIGNAL LINE
Q505,Q506
KTC32030YTA
REGULATOR
VCC
LOW-R+
OUT-GND
LOW-R-
STBY IN_R IN-GND IN-L MUTE
LOW-L-
OUT-GND LOW-L+
C374
50V100
C373
470P
C351
470P
C372 1000P
C352 1000P
NC IN-R RF IN-GND IN-L NC HI-L MUTE OUT GND VCC STBY HI-R
C580
35V100
R552
10K
R572
10K
C582
50V1
FP552 2A
K5G202A00025
R576
2.2K
R577
2.2K
C572
16V470
R578
120
R579
120
R568
120
R569
120
R566
2.2K
R567
2.2K
C552
16V470
FP352 5A
K5G502A00039
C586
16V10
R586
47K
C368
16V22
R381
47K
C551
50V1
C581
16V470
R581
22K
R580
5.6K
D580
B0AACK000004
C571
50V1
C570
470P
R571
1K
R570
3.3K
C550
470P
R551
1K
R550
3.3K
1
2
3
4
5
6
8
7
LOW L+
LOW L-
LOW R-
LOW R+
HI_R
GND1(HI-R GND)
HI_L
GND1(HI-L GND)
LOW R+
LOW R-
LOW L-
LOW L+
VCC
HI_R
HI_L
R371 10K
R372 1.5K
R351 10K
R352 1.5K
C370 0.18
C350 0.18
R370 2.2K
R350 2.2K
D582
B0AACK000004
R582
1K
C541
16V22
C514
0.01
R517 470
D506
B0BA5R200005
C542
16V22
C515
0.01
R518 820
D507
B0BA5R000004
C530
0.01
R530 1K
D512
B0BA5R200005
D513
B0EAKW000117
C540
16V330
IC500
AN17808B
POWER AMP IC
VCC
Q506Q505
MOTOR_10V
C521
0.1
C522
0.1
C523
0.1
C524
0.1
TO
SPEAKER
TERMINAL
CIRCUIT
(CN501B) ON
SCHEMATIC
DIAGRAM-11
TO
SPEAKER
TERMINAL
CIRCUIT
(CN508A) ON
SCHEMATIC
DIAGRAM-11
TO
SPEAKER
TERMINAL
CIRCUIT
(CN503A) ON
SCHEMATIC
DIAGRAM-11
TO
TRANSFORMER
CIRCUIT (CN505B)
ON SCHEMATIC
DIAGRAM-11
: +B SIGNAL LINE
1
2
3
45
6 7 8 9 10 11 12
1
2
3
45
6 7 8 9 10 11 12
: -B SIGNAL LINE
12
11
10
2
4
6
8
9
7
5
3
1
13
POWER CIRCUIT
SCHEMATIC DIAGRAM-10
60
SA-PM21PC