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SA-AK250GCP
19.5. (E) Power Circuit
1
2
3
SCHEMATIC DIAGRAM - 8
A
POWER CIRCUIT
Q5154
Q5173
R5154
W679
100
0
B1ABCF000176
2SB0709AHL
B
R5153
PCONT SWITCH
SWITCH
100
R5148
1K
C5121
R5174
47u
0
Q5153
B1ABCF000176
Q5173
MODE SWITCH
1
C
AGND
R5301
C5301
GND1
5.6K 0.47u
R_CH
MUTE_F
W681
MODE
R5302
C5303
+5V
0
5.6K
0.47u
PCONT
R5303
C5304
5.6K
0.47u
(I/P_GND)
D
C5702
0.47
C5703
0.47
C5306
0.47u
L_CH
R5304
5.6K
AGND
CD3.3V
QR5230
E
F_HOP1
QR5230,QR5232
F_HOP2
B1GDCFGG0026
R5230
120K
SWITCH
QR5232
QR5231,QR5233
R5234
B1ABGC000005
120K
SWITCH
QR5233
AGND
C5210 18P
F
R5201
1K
F_HOP1
R5204
100K
AGND
C5203
Q5201
C5202
100P
100P
X5202
B1ABCF000176
H2A375300003
Q5201
FREQUENCY HOPPING
SWITCH
R5207
6.8K
Q5202
B1ADCF000176
G
Q5202
FREQUENCY HOPPING
SWITCH
R5209
10
+5V
C5208
6.3V220
H
4
5
6
: +B SIGNAL LINE
: +B SIGNAL LINE
: MAIN SIGNAL LINE
IC5301
C1BA00000487
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
R5522
1M
W690
C5314
C5318
0.1u
0.1u
0
C5308
0.1u
AGND
(O/P_GND)
AGND
(I/P_GND)
W682
0
W756
0
1
3
L5301
R5307
R5308
G0B185LA0002
10
10
2
4
R5231
120K
C5324
0.47u
R5305
R5306
22
R5233
C5325
C5328
82K
0.1u
0.1u
C5326
C5329
0
0
R5232
QR5231
27K
AGND
AGND
(O/P_L_GND)
(O/P_R_GND)
C5230
0.1
R5210
120
D5153-D5156
B0JAME000119
R5202
100K
W748
1
1A
VCC
14
C5201
0
C5124
C5123
470P
2
1Y
1Y
13
35V1000
35V1000
3
12
2A
2A
IC5201
4
2Y
2Y
11
3A
3A
5
10
6
3Y
3Y
9
X5201
H2A415300001
7
GND
GND
8
C5204
100P
C5205
0.1
7
8
9
W751
0
W757
0
W712
0
C5427
C5429
0
0.47
Q5103,Q5104
B1ABCF000176
FAN ON/OFF SWITCH
Q5104
Q5103
AGND
72
10
11
12
D5126
R5150
B0ACCK000005
220K
1/2
SA-AK250GCP POWER CIRCUIT
2/2
13
14
A
B
C
D
E
F
LCH
RCH
G
H
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