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5
5V
D
F500
GND
miniSMDC075
CN500
1
5V
2
DM
3
DP
4
GND
UP
R503
GND
C
B
CN520
AUDIOJACK
A
5
4
3.3V
U502
WC-A3
3
4
VIN
VOUT
SOT223
GND
GND
GND
U500
1
R504
22
2
22
3
R500
240
4
R501
240
5
6
7
C503
8
0.1uF
C516
C504
C505
47PF
47PF
0.1uF
GND
GND
GND
GND
GND
R525
100
C524
0.47uF
R522
100
C522
0.47uF
U520
9
INR
TDA7496L
4
INL
OUTR
STBY
6
VOLUME
R528
100
MUTE
C520
OUTL
0.47uF
7
VAROUT_R
5
VAROUT_L
GND
10
SVR
C529
330uF/16V
GND
4
3
X500
R502
1.5K
C515
C517
6MHz
47PF
47PF
GND
GND
5V
24
DP0
DP4
23
DM0
DM4
22
VCC
OVRCUR4
21
RESET
PWRON4
TUSB2046B
TUSB2046B
20
EECLK
DP3
19
EEDATA/GNDGED
DM3
18
GND
OVRCUR3
R505 15K
17
SUBPWR
PWRON3
R506
30K
GND
RN501
8
7
6
5
22
GND
15
Vs
16
Vs
GND
14
C527
330uF/16V
11
R524
100
12
17
C528
330uF/16V
1
GND
C526
2
GND
3
GND
13
GND
1uF
18
GND
19
GND
20
GND
GND
3
2
3.3V
C506
0.1uF
GND
GND
RN502
1
8
2
7
3
6
4
5
22
RN504
15K
GND
GND
1
2
3
4
RN503
15K
GND
R523
Q520
2
TT2N3904D
10K
GND
GND
GND
GND
2
1
5V
GND
1
5V
2
DM1
3
DP1
4
GND
5
CN501
5V
DOWN1,2
6
DM2
7
DP2
8
GND
1
5V
2
DM3
3
DP3
4
GND
CN502
5
5V
6
DOWN3,4
DM4
7
DP4
8
GND
GND
CN522
1
+12V
2
GND
3
+5V
4
GND
5
MUTE
CN521
1
OUTR
2
GND
3
OUTL
4
GND
5
VOL
6
GND
7
+5V
Title
5. AUDIO & USB
Size
Document Number
C
<Doc>
Date:
Friday, January 04, 2002
Sheet
5
of
1
D
C
B
A
Rev
B
7
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