SCH04_FRONT_PHONE
GND LINE
POWER- LINE
POWER+ LINE
ANALOG AUDIO R
ANALOG AUDIO L DIGITAL AUDIO
STBY POWER
DIS+3.3V
STBY SW UNIT
FRONT UNIT
HEADPHONE UNIT
GND
-DATA
+DATA
VBUS
N
EX
T
PR
EV
IO
U
S
D
IS
C
/U
SB
O
PE
N
/C
LO
SE
ST
O
P
PA
U
SE
PL
A
Y
ST
+
3.
3V
ST
+
3.
3V
K
EY
1
GN
D
_D
ST
B
Y_
LE
D
GN
D
_D
EX
_I
N
T
ERR
U
PT
K
EY
0
C
H
G
_L
ED
+
3.
3V
R
EM
O
T
E
FI
P2
V
P
D
IS
_O
N
/O
FF
FI
P1
D
IS
_R
ES
ET
D
IS
_C
S
D
IS
_S
C
L
D
IS
_S
O
+12V
GND
-12V
MUTE
RCH
GND
LCH
UDGND
UDGND
USBDP
USBDM
VOUT
PHONES
FDGND
CHG_LED
FST+3.3V
STBY-LED
KEY2
T
O
A
U
D
IO
C
N
330
1
TO MAIN FCC300
T
O
M
A
IN
C
N
110
1
+42V
FCHGND
STANDBY ON/OFF
LCH:43XX
RCH:44XX
HP_GAIN1
HP_GAIN2
L4302
60R/3A
L4303
60R/3A
L4304
60R/3A
L4305
CLZBLM21PG221SN1
L4306
CLZBLM21PG221SN1
L4307
60R/3A
L4308
CLZBLM21PG221SN1
C
430
8
0.
1
V4301
10K/A
R4301
75K
R4401
75K
C
430
2
200
V
/150
pF
(F
A
S)
C
440
2
200
V
/150
pF
(F
A
S)
R
430
2
22
K
R
440
2
22
K
Q4301
KSA992F
Q4302
KSC1845F
Q4303
KSC1845F
Q4304
KSA992F
R
430
3
5.
6K
R
430
6
5.
6K
R
430
4
56
R
430
5
56
Q4401
KSA992F
Q4402
KSC1845F
Q4403
KSC1845F
Q4404
KSA992F
R
440
3
5.
6K
R
440
6
5.
6K
R
440
4
56
R
440
5
56
R4308
22
R4307
22
R4408
22
R4407
22
C4303
50V/47uF(RA3)
C
440
3
50
V
/47
uF
(R
A
3)
C4304
100/25V(RA3)
C4404
100/25V(RA3)
R
430
9
47
K
R
440
9
47
K
R4310
10
R4312
10
R4410
10
R4412
10
Q4305
KTC2875B
Q4306
KTC2875B
Q4405
KTC2875B
Q4406
KTC2875B
R
431
1
2.
2K
R
431
3
2.
2K
R
441
1
2.
2K
R
441
3
2.
2K
C
430
5
1000
P
C
440
5
1000
P
C
430
6
0
oh
m
C
430
7
0
oh
m
1
3
2
K4301
Q4101
KRA102S
S4101
R
410
2
10
K
1
2
3
4
5
CN4101
1
2
3
4
5
BN4101
C4002
0.1
C4015
100P
C4016
100P
C4017
100P
C4007
0.1
R
402
0
33
R
401
9
33
R
401
8
33
R
401
7
33
R
400
3
47
K
R
400
4
10
C
400
8
0.
1
C
400
9
0.
1
C
401
0
16
V
/47
uF
(K
S)
R
400
5
10
C
401
2
0.
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
16
18
19
FCB300
R
400
2
27
0
D
400
1
R
ED
Q4001
KRC107S
1
2
3
4
K4003
CJJ9X023ZT
C
400
1
0.
1
C
400
3
22
P
C
400
4
22
P
C4005
0.1
C4006
0.1
R
400
6
10
0
C
401
1
100
P
R
400
7
47
K
3
2
1
Vcc
GND
VOUT
U4001
R94EV1A
C
401
3
0.
1
R
400
8
10
0
C
401
4
16
V
/47
uF
(K
S)
S400
2
S400
4
S400
6
S400
1
S400
3
S400
5
S400
7
R4010
1.8K
R4009
1.8K
R4012
680
R4011
680
R4013
330
R4015
1K
R4016
330
R4014
1K
1
4
5
6
12 13 14
30 31 32 33 34 35 36 37 38 39
43
F1
N
C
N
C
N
C
N
C
N
C
F2
LGN
D
PGN
D
V
H
V
D
D
O
SC
R
ES
ET
C
S
C
P
D
A
T
SA
T
SB
11
10
9
8
7
40
N
C
N
C
N
C
N
C
N
C
N
C
N
P
N
X
U4003
16ST103GINK
1
2
3
4
5
BN1101
B
430
1
C
W
E8202150
R
V
L400
1
C
LZ
B
LM
21
PG
221
SN
1
L400
2
C
LZ
B
LM
21
PG
221
SN
1
L400
3
C
LZ
B
LM
21
PG
221
SN
1
L400
4
C
LZ
B
LM
21
PG
221
SN
1
L4301
CLZBLM21PG221SN1
L4401
CLZBLM21PG221SN1
C
440
1
50
V
/10
uF
(R
A
3)
C
430
1
50
V
/10
uF
(R
A
3)
C
401
8
O
PE
N
Q4002
KRA102S
R4319
OPEN
C4101
OPEN
B
410
2
R4320
OPEN
B4001
OPEN
C
401
9
50
V
/10
uF
(K
S)
R
400
1
1
R
402
1
1
B4002
OPEN
Q4102
KRA102S
O
R
D4101
ORANGE/RED
CVDGY5Y5U25Y2WROAALL
R
410
1
1.
2K
R
410
3
1.
5K
1
2
3
4
5
6
7
8
IC4301
HVINJM2114M
1
2
C
431
1
CC
EA
1E
R
A
38
P101
T
1
2
R
431
4
1K
1
2
R
431
5
22
0
2
1
3
Q4310
KTC2875B
1
2
C
431
2
0.
1
1
2
C
430
9
CC
EA
1E
R
A
38
P101
T
1
2
C
440
6
CC
EA
1E
R
A
38
P101
T
25
V
/100
uF
1
2
R
441
8
68
0
2
1
3
Q4409
KTC2875B
1
2
R4420
10K
2
1
3
Q4410
KTC2875B
1
2
R
441
9
10
K
1
2
R
441
6
22
0
1
2
R
441
5
1K
2
1
3
Q4309
KTC2875B
1
2
R
431
8
10
K
1
2
R
432
1
10
K
R
431
7
68
0
Q4307
KRA102S
2
3
1
Q4407
KRA102S
Q4308
KRC102S
2
3
1
Q4408
KRC102S
R
432
2
100
K
1
2
R
442
1
100
K
1
2
C
431
3
0.
1
1
2
C
431
0
CC
EA
1E
R
A
38
P101
T
R4417
2.2K
1
2
R4316
2.2K
R4323
33
R4423
33
C4314
OPEN
C4407
OPEN
1
2
3
4
5
6
7
8
9
BN3301
C
431
5
100
V
/470
pF
(M
)
C
441
5
100
V
/470
pF
(M
)
-12VA
+12VA
HPGND
HPGND
+12VA
-12VA
+12VA
-12VA
HPGND
HPGND
HPGND
HPGND
HPGND
HPGND
HPGND
HPGND
HPGND
FG
LDGND2
LDGND2
FST+3.3V
FDGND
FDGND
FST+3.3V
STBY-LED
FST+3.3V
LE
D
FDGND
UDGND
FST+3.3V
FDGND
PE
M
0
K
EY
1
ST
B
Y-
LE
D
K
EY
2
K
EY
0
D
IS
_S
O
D
IS
_S
C
L
D
IS
_C
S
D
IS
_R
ES
ET
FI
P1
LE
D
FI
P2
PE
M
0
FDGND
FST+3.3V
K
EY
0
K
EY
1
FDGND
FDGND
FDGND
FDGND
FDGND
FDGND
FDGND
FI
P1
UDGND
HPGND
KEY2
D
IS
_S
O
D
IS
_S
C
L
D
IS
_C
S
D
IS
_R
ES
ET
FCHGND
FCHGND
FI
P2
C
H
G
_L
ED
CHG_LED
+12VA
HPGND
-12VA
HPGND
HPGND
-12VA
+12VA
-12VA
HPGND
HPGND
HPGND
+12VA
HPGND
HP.GAIN1
HP.GAIN2
HP.GAIN1
HP.GAIN2
HPGND
HPGND
BN1101
FCB300
BN3301
10
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Mechanical
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