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81
18.9. POWER CIRCUIT / HEADPHONE CIRCUIT
POWER CIRCUIT
SCHEMATIC DIAGRAM - 9
: +B SIGNAL LINE
SA-PM24EB/EG/EP POWER / HEADPHONE CIRCUIT
E
TO
TRANSFORMER
CIRCUIT (CN5901)
IN SCHEMATIC
DIAGRAM - 8
TRANSFORMER
CIRCUIT (CN5901)
IN SCHEMATIC
DIAGRAM - 8
B
TO
MAIN CIRCUIT
(CN806)
IN SCHEMATIC
DIAGRAM - 4
MAIN CIRCUIT
(CN806)
IN SCHEMATIC
DIAGRAM - 4
TO SPEAKER
B
TO
MAIN CIRCUIT
(CN450)
IN SCHEMATIC
DIAGRAM -3
MAIN CIRCUIT
(CN450)
IN SCHEMATIC
DIAGRAM -3
: AUDIO OUTPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: MUSIC PORT AUDIO INPUT SIGNAL LINE
HEADPHONE CIRCUIT
G
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
C5113
470P
C5114
470P
R5108
C5108
C5104
C5105
0.22
0.22
0.22
R5104
R5103
C5107
0.22
R5107
C5109
FP5901
C5103
11
4
7
3
6
8
9
5
1
10
12
IC5101
AN17831A
R5129
D5111
MA2J1110GL
2
4
3
1
6
5
CN5102
R5109
R5128
R5105
R5101
R5111
C5120
2
1
4
3
3
CN5101
C5111
R5112
C5102
R5113
C5106
R5102
R5106
IN1_R
DC_DET
STBY
AMP_MUTE
10K
3.3K
AGND
VCC
VCC
GND
GND
0.1
5A
IN2_L
2
4
3
1
JK501
R+
R-
L-
L+
IN_R
OUT-_R
STBY
OUT+_R
GND_R
GND
2700P 2700P
GND_L
OUT_-L
OUT_+L
MUTE
IN_L
22K
1
22K
1
2.2
2.2
2.2
2.2
16V10
1K
47K
2.2K
16V22
C5124
100
100
10K
100K
R952
0
R950
1000P
C950
0.01
C952
C955
1
7
6
4
2
3
5
JK951
100K
R955
0.01
L951
0
L952
0
L953
0
L954
0
2
1
3
JK950
MUSIC PORT
HEADPHONE
C953
1000P
J0JBC0000019
L950
4
5
1
3
2
7
6
6
WH902
R953
0
HP_GND
MPORT_R
MPORT_GND
HP_SW
MPORT_L
HP_R
HP_L
POWER AMPLIFIER
2
VCC
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