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123
15.10. MAIN (USB/iPod) CIRCUIT
SCHEMATIC DIAGRAM - 9
MAIN (USB/iPod) CIRCUIT
SC-HC55EG
MAIN (USB/iPod) CIRCUIT
MU: MAIN (USB/iPod) SCHEMATIC DIAGRAM 3,9
: +B SIGNAL LINE
TO
CD SERVO
CIRCUIT
(CN7901)
IN SCHEMATIC
DIAGRAM - 2
CD SERVO
CIRCUIT
(CN7901)
IN SCHEMATIC
DIAGRAM - 2
TO
iPhone CIRCUIT
(CN1002)
IN SCHEMATIC
DIAGRAM - 10
iPhone CIRCUIT
(CN1002)
IN SCHEMATIC
DIAGRAM - 10
: iPod/iPhone/USB SIGNAL LINE
A
B
C
D
E
F
G
H
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
A
B
D
E
F
H
G
C
R7900
DGND
D5V
DGND
IPOD_DET
PW_VBUS
IPOD5V
POWER SUPPLY
POWER CONTROL
IPOD_PCONT
S
D
G
Q7902
B1DHCC000034
QR7900
2
3
1
5
4
CN7902*
R7902
C7901
R7906
R7905
R7903
Q7900
R7904
5.6K
Q7901
R7901
43K
Q7903
R7910
LB7901
LB7902
2
3
1
5
4
CN7901*
LB7905
LB7903
LB7904
DGND
D-
D+
IPOD_DET
VBUS
D-
VBUS
IPOD_DET
D+
DGND
MU
MU
MU
MU
MU
MU
MU
R7909
100K
C7903
4.7
B1GBCFJN0038
2.2K
SWITCH
Q7900
B1ADCF000001
SWITCH
Q7901
B1ABCF000176
SWITCH
Q7903
B1ADCF000001
4.7K
4.7K
75K
0.1
51K
51K
0
0
0
0
J0JYC0000025
NOTE: “ * ” REF IS FOR INDICATION ONLY
SW7900
RESETTABLE FUSE
NC
IPOD-
NC
NC
GND
USBD-
D+
OE
NC
S
IPOD+
D-
USBD+
VCC
IC7901
C0JBAR000586
1-OF-2 MULTIPLEXER/ DEMULTIPLEXER
8
9
7
6
5
4
3
2
1
10
11
12
13
14
0.1
C7900
R7907
51K
R7908
51K
2
5
G
1
4
G
3
JK1111
USB5V
+D
USB PORT
-D
DGND
C7902
0.1
6
D3R3V
MU
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