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SA-PM33EE
18.5. Power Circuit
SCHEMATIC DIAGRAM - 6
POWER CIRCUIT
CN501B
TO
LOW_R+
1
SPEAKER TERMINAL
LOW_R-
2
CIRCUIT(CN501A)
LOW_L-
3
ON SCHEMATIC
LOW_L+
4
DIAGRAM-7
CN508B
IN_L
1
AGND
2
IN_R
3
TUNER_9V
4
TO
TUNER_GND
SPEAKER TERMINAL
5
A9V
CIRCUIT(CN508A)
6
MUTEB
7
ON SCHEMATIC
MOTOR_GND
8
DIAGRAM-7
MOTOR_9V
9
PCONT2
10
VOL_DET1
11
VOL_DET2
12
DAB_DGND
13
CN503B
VREF-
1
D5V
2
TO
CD_GND
3
SPEAKER TERMINAL
9VGND
4
CIRCUIT(CN503A)
HALT
5
ON SCHEMATIC
PCONT_1
6
DIAGRAM-7
SYS6V
7
CD_7.5V
8
PGND
9
: MAIN SIGNAL LINE
: +B SIGNAL LINE
IN_L
IN_R
1
2
3
4
R495
R485
R295
R285
680
8.2K
680K
8.2K
C497
C297
1500P
1500P
FP352
5A
R251
C254
820
50V0.22
C374
50V10
R451
C454
820
50V0.22
R491
R492
R291
R292
R380
6.8K
3.3K
6.8K
3.3K
2.2K
C493
C293
0.047
0.047
D380
B0AACK000004
MUTEB
IC300
AN17831A
POWER AMP IC
IC300
5
6
7
8
9
10
11
12
LOW_L+
C373
C351
LOW_L-
470P
470P
LOW_R-
LOW_R+
C372
C352
1000P
1000P
C365
C364
C370
C376
0.22
0.22
0.22
0.22
R612
R613
R614
R615
2.2
2.2
2.2
2.2
R456
R256
56K
56K
C586
50V10
R381
C368
10K
16V22
R586
47K
68
Q505
Q507
B1AAJC000019
B1AAJC000019
REGULATOR
REGULATOR
Q530
2SD0592ARA
C515
C514
0.01
0.01
REGULATOR
R518
R520
1K
470
C542
C540
25V10
16V22
C541
R514
16V22
2.2K
Q501, Q504
B1AACF000063
SWITCH
Q504
R511
220
B1BCCG000002
Q501
D525, D526, D527
B0EAKM000117
C502
25V10
R504
220
Q500
D501, D502, D504, D505
D0EAMM000038
Q500
B1GCCFGA0006
C521
C523
D502
D504
CURRENT LIMITING
0.01
0.01
C512
0.1
C522
C524
D501
D505
0.01
0.01
8 7
6
5
4
3
2
1
WH505A
SA-PM33EE POWER CIRCUIT
TO
TRANSFORMER CIRCUIT
(CN505B) ON SCHEMATIC
DIAGRAM-7
R517
470
C516
0.01
R515
1.5K
C510
25V10
C507
0.01
Q503
STABILIZER
Q503
D527
R505
D526
100K
D525
VCC
SYS6V
C501
35V6800
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