Table of Contents
Advertisement
19.6. (G) Power Circuit
1
2
3
SCHEMATIC DIAGRAM -9
A
POWER CIRCUIT
Q5154
2SB0709AHL
Q5173
R5154
100
PCONT SWITCH
B1ABCF000176
B
R5153
SWITCH
100
R5148
1K
C5121
R5174
47u
Q5153
0
Q5173
Q5153
1
2
3 4 5
6
B1ABCF000176
C
MODE SWITCH
AGND
C5301
W5507
GND1
0.47u
HI_R
0
R5301
5.6K
MUTE_F
MODE
R5302
C5303
+5V
5.6K
0.47u
PCONT
(I/P_GND)
R5303 C5304
5.6K 0.47u
D
C5308
0.1u
C5306
AGND
0.47u
LO_R
R5304
5.6K
AGND
E
AGND
C5210
18P
F
W1094
R5201
R5202
0
100K
1K
F_HOP
1
1A
R5204
C5201
Q5201
C5701
100K
470P
100
B1ABCF000176
2
1Y
AGND
FREQUENCY HOPPING
SWITCH
C5203
C5202
3
2A
100P
Q5202
100P
Q5201
X5202
B1ADCF000063
4
2Y
W1099
FREQUENCY HOPPING
R5207
0
SWITCH
3A
6.8K
5
Q5202
G
3Y
6
X5201
H2A415300001
7
GND
R5209
C5204
10
+5V
100P
AGND
C5208
X5202
6.3V220u
H2A375300003
W1095
0
H
4
5
6
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
IC5301
C1AA00000755
2-CH DIGITAL AMP
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
7
8
1
R5419
0
R5522
1M
C5314
C5318
0.1u
0.1u
C5320
0.1u
C5322
0.1u
AGND
(O/P_GND)
(I/P_GND)
R5402
C5403
5.6K
0.47u
L5301
G0B185LA0002
1
3
R5401
R5308
C5437
R5307
5.6K
10
1000P
C5401
10
0.47u
W5506
2
4
C5327
0
0.47u
C5436
R5404
C5406
C5324
1000P
5.6K
0.47u
0.47u
R5403
5.6K
C5404
0.47u
AGND
AGND
(O/P_L_GND)
(O/P_R_GND)
R5210
0
D5153-D5156
B0JAME000119
VCC
14
C5123
35V470
C5123
6A
13
0
C5124
35V470
6Y
12
IC5201
5A
11
5Y
10
4A
9
4Y
8
C5205
0.1u
7
8
9
W1102
0
IC5401
C1AA00000755
2-CH DIGITAL AMP
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
2
3 4 5
6
7
8
C5418
C5414
0.1u
0.1u
C5417
C5415
0.1u
0.1u
AGND
(O/P_GND)
AGND
(I/P_GND)
1
3
L5401
G0B185LA0002
2
4
C5430
220P
C5424
C5427
0.47u
0.47u
C5118
C5117
35V470
C5118
35V470
AGND
L5403
AGND
J0JKB0000037
Q5103,Q5104
B1ABCF000176
FAN ON/OFF SWITCH
Q5104
Q5103
AGND
77
10
11
12
IC5501
C1AA00000755
2-CH DIGITAL AMP
1
2
3 4 5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
R5520
0
C5514
C5518
0.1u
0.1u
(O/P_GND)
AGND
(I/P_GND)
AGND
(I/P_GND)
R5501 C5501
5.6K
0.47u
R5502
1
3
R5507
5.6K
C5503
10
L5501
0.47u
G0B185LA0002
R5503
5.6K
2
4
C5504
C5505
0.47u
R5504
330P
5.6K
C5506
C5524
0.47u
C5528
C5527
0.68u
0.1u
0.68u
C5529
C5119
0
35V470
(O/P_GND)
AGND
D5157-D5160
B0JAME000119
AGND
D5161-D5164
B0JAME00019
R5518
10K
D5126
R5150
B0ACCK000005
220K
1/2
SA-AK750P/PC POWER CIRCUIT
2/2
SA-AK750P / SA-AK750PC
13
14
A
B
C
D
R5142
R5143
10
10
E
C5120
35V470
F
SUBWOOFER-
SUBWOOFER+
LL-
LH-
RH+
RL+
G
H
Advertisement
Table of Contents
