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SA-AK450P / SA-AK450PC
SCHEMATIC DIAGRAM - 10
I
POWER CIRCUIT
J
K
L
+15V
M
F_HOP
F_HOP
1
TGND
2
MODE
MODE
3
+15V
TO
15V
4
HI_L
HIGH_LIN
5
MAIN CIRCUIT
HI_R
HIGH_RIN
6
(CN2809)
AGND
ASPGND
7
IN SCHEMATIC
LO_L
LOW_LIN
8
DIAGRAM-4
LO_R
XM5.3V
LOW_RIN
9
AGND
AGND
10
SUBWOOFER
11
D5130
FAN
B0JAME000025
FAN
12
N
CD3.3V
CN5102
PCONT
MOTOR12V
PGND
1
FLGND
2
+5V
DGND
3
PCONT
TO
PCONT
4
+5V
MAIN CIRCUIT
+5V
5
CD3.3V
(CN2808)
CD3.3V
6
DC_DET
DC_DET
7
IN SCHEMATIC
MUTE_F
O
mUTE-F_HOP
8
C5133
DIAGRAM-6
MOTOR12V
6.3V100
MOTOR 12V
9
XM5.3V
XM5.3V
10
-9V AGND
-9V
11
+3.3V
12
CN5103
P
1
2
3
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
R5151
B1BACG000023
150K
IC5101
+15V REGULATOR
C0DAZYY00005
R5147
2.2
REGULATOR IC
2
4
R5152
C5131
0
C5132
6.3V100
25V100
1
3
5
Q5112
B1BCCG000002
CURRENT STABLISER
D5125
B0AAFK000004
Q5114
C5113
R5132
50V33
330
AGND
Q5114
B1ABCF000176
11V REGULATOR
4
5
6
Q5101,Q5102
B1DEGM000026
CURRENT CONTROL SWITCH
Q5111
Q5101
+VCC2
S
D
R5123
4.7
G
C5102
10u
R5126
1K
R5103
C5101
Q5110
10K
R5127
35V1000
R5114
R5101
Q5110
1.8
10K
470
B1GACFGA0002
D5102
26V REGULATOR
D5107
B0BA01500003
D5102
B0BA02600018
Q5113
D
S
B1GDCFNA0001
Q5102
R5137
CURRENT LIMITER SWITCH
G
2.2
R5108
D5104
R5136
2.2
47
B0BA01100004
SUB+B
R5135
2.2
Q5113
C5104
R5109
35V1000
1K
R5134
1.2K
R5110
2.2K
D5103
D5109
B0BA5R100004
B0BA01100004
1
2
3
E5103
K9ZZ00001279
7
8
9
76
L5604
C5335 0.015
G0B9R5K00001
LL-
3
4
LL-
C5343
0.015
1
2
LL+
C5334
0.015
1
LH-
LH-
3
4
2
LH+
3
1
2
4
C5434
L5603
5
0.015
G0B9R5K00001
6
7
RH+
RH+
3
4
8
9
RH-
1
2
L5601
C5435
0.015
G0B9R5K00001
RL+
RL+
3
4
RL-
1
2
C5438
L5602
0.015
G0B9R5K00001
W684
0
D5122
B0EAKP000134
+VCC1
D5122
C5107
C5103
0.1u
C5171
100V10u
E5101
63V1000u
K9ZZ00001279
D5121
C5187
0.1u
B0EAKP000134
1
2
3
1
+VCC1
AGND
2
+VCC1
C5186
3
-VCC1
0.1u
4
-VCC1
C5172
C5106
5
0.1u
63V1000u
6
ACIN
7
8
SUB+B
-VCC1
9
R5107
560
Q5108
C5152
0.1u
Q5108
B1ABCF000176
R5106
22K
SWITCH
C5115
0.1u
W706
0
Q5109
R5105
10K
Q5109
2SB0709AHL
VOLTAGE REGULATOR
1/2
SA-AK450P/PC POWER CIRCUIT
2/2
10
11
12
I
J
K
LEFT LOW +
LEFT LOW -
LEFT HIGH +
LEFT HIGH -
SPEAKERS
RIGHT LOW +
RIGHT LOW -
RIGHT HIGH +
RIGHT HIGH -
NC
JK5101
L
M
TO
TRANSFORMER CIRCUIT
AGND
(CN5950) IN SCHEMATIC
N
AGND
DIAGRAM-12
ACIN
DGND
H5104
O
P
13
14
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