Schematic Diagram - Usb Board - Aiwa CX-BK33 Service Manual

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3 7 6 3 1 5 1 5 0
7-20. SCHEMATIC DIAGRAM – USB Board –
J700
(USB)
JR700 0
R700 82
T E
L 1 3 9 4 2 2 9 6 5 1 3
R701 82
C757
0.22
JR706
0
EP701
(CHASSIS)
EP702
(CHASSIS) D702 D703 C762
1SS355 1SS355 0.018
CN702
2P
GAME-IN(V)
GAME-IN(GND)
(Page 43)
VIDEO
w w w
C766
J701 0.022
3P
L
LINE IN
AUDIO
.
R
http://www.xiaoyu163.com
• See page 66 for Waveform. • See page 72 for IC Pin Function Description.
FB700 0
FB701 0
D708 D709
1SS355 1SS355
C708
1
R710
220k
R706 15k
R705 8.2k
C703 R703 C705
FOUTL
1000p 15k 220p
FOPL
FINL
R707 15k
C702
FOUTR
1000p
R704 8.2k
FOPR
R702 C704
FINR
15k 220p USB INTERFACE
NC
NC
SGND
C707
SREF
0.047
C755
100p NC
C756
4.7
50V
C725
D704 0.1
1SS355
R732 R731
D705 100k 33
1SS355
JW700
D706
1SS355
C715
X700
100
12MHz
10V
D707
1SS355
C711 C714 C706
22p 22p 0.1
JR707
0
JW704
C767
0.1
x a o u 1 6 3
y
R711 L702 R735
4.7k i 0 22k
R712 R736
4.7k 22k
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8
FB703
C710
1
Q702
DTA114EKA-T146
USB ON/OFF SWITCH
C712 R743
0.47 47k
TRDY
SCL
Q Q
3 7 6 3 1
SDA
NC
NC
NC
IC700
NC
µAC35538
NC
NC
ACK
INT_DATA
R713
47
C716 4.7 50V
C713
4.7
50V
JR701
0
C759 C758
C709
47 330
1
10V 10V
.
51 51
2 4
9 9 8
C717
C719
33
1
25V
+5V REGULATOR
IC701 Q701
NJM78M05S 2SB1132
-T101-R
O I
G
R723
1k
R722 Q700,701
4.7k
B+ SWITCH
C721 C722 Q700
1 1 DTC114EKA
-T146
FB704
FB705
FB706
FB707
FB708
5 1 5 0 8 9 2 4
C730 C729 C728 C727 C726
330p 330p 330p 330p 330p
R730 680
R729 680
C718
0.1
D710 D711
1SS355 1SS355
m
c o
CX-BK33
2
9 9
CN701
17P
I2C_CLK
I2C_DATA
USB_ACK
USB_INT
9 8 2 9 9
USB_VBUS_ON
USB_ON
VM
D-GND
V-IN
V-GND
D-GND
A-GND
(Page 43)
USB-L
USB-R
A-GND
AUX2-L
AUX2-R