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X
R609
R608
4.7K
V
IC603
NJU7082BVAE1
HEADPHONES AMP
R427
4.7K
D
R611
R610
4.7K
B
N
U
T
J
IC605
C0JBAC000262
NAND GATE
R573
110K
R593
3.3
Q603,604
B1ABDB000029
INTERFACE
Q603
0.9V
1.3V
Q604
0.8V
C618
22P
0.2V
R585
R587
100
4.7K
Q613
R697
0V
47K
0.7V
Q613,605
B1ABDB000029
BUFFER AMP
66
67
3.3V
R425
R426
R565
C631
4.7K
10K
10K
4V220
C402
10K
330P
1.6V
1.6V
1.6V
4
3
2
1
5
6
7
8
1.6V
1.6V
3.3V
1.6V
R428
C404
10K
330P
R566
C632
10K
10K
4V220
R568
1.8K
R581
82K
3.3V
3.3V
3.3V
0V
14
13
12
11
10
9
Vcc
1
2
3
4
5
6
3.3V
0V
3.3V
3.3V
3.3V
IC602
C1ZBZ0002016
HALF BRIDGE FET DRIVE
11.2V
8
0V
7
10.5V
10.5V
6
0.9V
5
11.9V
0V
Q605
68
R602
R421
15
15
Q608
0V
R603
3.3K
0.7V
0.7V
R422
0V
3.3K
Q609
0V
R605
3.3K
0.7V
0.7V
R424
0V
3.3K
R604
R423
15
15
Q608,609
B1GFGCAA0001
MUTING
8
GND
7
0V
R579
3.3V
Q616
2.2K
0V
B1ABDB000029
SWITCHING
R598
C628
C624
0
0.22
0.22
11.9V
LO
VDD
1
C622
0.1
-34.1V
D
Vss
HB
2
R594
3.3
-48.9V
G
LI
HO
3
-38.1V
S
-37.2V
HI
HS
4
D
R595
0
G
11.2V
S
Q606,607
B1DEGL000004
SWITCHING
SA-XR10(E,EB,EG,GCS,GD,GN) MAIN CIRCUIT DIAGRAM
69
70
E
HEAD PHONE CIRCUIT
L907
CN603
W952
1
1
2
2
L908
3
3
4
4
L906
5
5
L910
CN601
A
FL +
1
B
FL -
2
C
FR +
3
D
FR -
4
E
SL +
5
F
SL -
6
CN602
G
SR +
1
H
SR -
2
C +
I
3
J
C -
4
K
NC
5
L
NC
6
CN501
1
SUB WOOFER
2
GND
3
GND
L601
0.68
H
CN203
+B
1
GND
2
+B
3
GND
4
+B
5
GND
6
46.5V
Q606
L604
-37.2V
58
H
-37.2V
Q607
L602
0V
0.68 H
71
5
4
2
JK901
H
PHONES
3
7
8
1
F
To
POWER SUPPLY
G
CIRCUIT(W601)
on SCHEMATIC
DIAGRAM-11/5-H
F
To
POWER SUPPLY
CIRCUIT(W602)
on SCHEMATIC
DIAGRAM-11/6-H
F
A
To
IN/ OUT
TERMINAL
CIRCUIT(W801)
on SCHEMATIC
DIAGRAM-2/17,18-H
E
D
F
To
POWER SUPPLY
CIRCUIT(W203)
on SCHEMATIC
DIAGRAM-11/11,12-A
C
B
A
72
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