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SA-AK33 1GCP
17.6. (H) Power Circuit
SCHEMATIC DIAGRAM - 12
POWER CIRCUIT
18
D5814
B0AACK000004
C5838
50V2.2
FAN
1
DC_DET
2
MUTE_H
3
+15V
4
TO
HI_L
5
MAIN
HI_R
CIRCUIT
6
(CN2809)
A_GND
7
ON
LO_L
SCHEMATIC
8
DIAGRAM-8
LO_R
9
10
11
T GND
12
CN5800
P_GND
1
D_GND
2
UP GND
3
SUB+B
4
TO
CD8V
MAIN
5
CIRCUIT
6
(CN2808)
7
LED9V
ON
8
SCHEMATIC
MOT10V
9
DIAGRAM-8
+9V
10
-9V
11
SW 5V
12
CN5801
: +B SIGNAL LINE
IC5801
17
16
15
14
13
12
11
10
9
8
7
C5801
0.01
C5242
R5250
2200P
68K
C5243
R5853
39P
C5442
220K
2200P
C5443
39P
C5240
R5450
68K
2200P
C5241
39P
C5440
C5441
R5249
2200P
39P
68K
R5449
68K
R5445
R5245
R5802
3.3K
3.3K
22K
Q5814
R5447
D5813
3.3K
B0AACK000004
Q5814
B1AACF000064
HEADPHONE
MUTING SWITCH
R5835
R5808
270
270
R5809
D5802
390
B0BA01500003
Q5803
B1BACG000023
15V VOLTAGE REGULATOR
Q5804
Q5809
B1BCCG000002
B1BACD000017
CURRENT STABILISER
5V VOLTAGE REGUALTOR
SWITCH
B1GCCFGA0005
Q5807
B1AACF000064
CURRENT LIMITING SWITCH
(SHORT CIRCUIT PROTECTION)
10V VOLTAGE REGULATOR
R5824
2.2
Q5803
C5813
25V10
Q5809
C5814
0.01
R5832
D5808
150
D5808
B0BA5R600016
: -B SIGNAL LINE
: MAIN SIGNAL LINE
IC5801
RSN315H42C-P
POWER HIC
6
5
4
3
2
1
R5452
R5252
100K
220K
R5451
56K
R5251
150K
C5803
1000P
Q5812
R5807
270
R5804
R5805
47K
47K
R5810
R5811
2.7K
470
C5807
R5812
C5808
2.7K
16V10
16V10
Q5805
Q5802
Q5806
R5818
R5821
R5820
R5819
8.2
8.2
8.2
R5822
C5809
3.3K
0.01
C5810
R5823
D5804
D5805
25V100
470
B0AACK000004
D5804
R5847
22
D5807
Q5807
D5805, D5807
B0EAKM000117
R5829
330
70
C5445
C5245
R5857
R5855
0.047
0.047
22K
22K
R5456
R5256
10
10
R5856
R5854
10K
10K
C5444
C5244
0.047
0.047
R5255
R5455
10
10
Q5813
R5806
C5802
100K
6.3V220
Q5812-Q5813
B1AACF000064
DC DETECT SWITCH
Q5801
B1BACG000023
10V VOLTAGE REGULATOR
Q5802
B1BCCG000002
VOLTAGE SUPPLY SWITCH
Q5805
B1ACCF000063
CURRENT CONTROL SWITCH
Q5801
D5801
C5804
B0BA9R600002
0.01
FP5833
R5814
400
3.3K
C5805
16V100
R5834
R5816
R5815
27
15
27
R5817
R5858
8.2
4.7
4.7
Q5804
R5828
C5811
Q5806
0.01
10K
R5830
1.2K
C5812
D5809
25V33
B0BA9R600002
1
L
2
R
HIGH
CHANNEL
3
L
SPEAKER
4
R
JK5951
1
+
R
LOW
L
2
+
CHANNEL
-
3
R
SPEAKER
4
-
L
JK5952
VCC+
1
2
TO
VCC-
3
TRANSFORMER
4
CIRCUIT
AC GND
(CN5950) ON
5
SCHEMATIC
6
ACIN
DIAGRAM-11
7
SUB+B
8
9
H5950/
W5950
E5800
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