Read Sony XAV-742 Service Manual online
XAV-742
45
• IC Pin Function Description
MAIN BOARD IC201
PD720114GA-YEU-A-SAK (USB INTERFACE)
Pin No.
Pin Name
I/O
Description
1
VDD25OUT
O
Internal regulator power supply voltage (+2.5V) output terminal
2
VSSREG
-
Ground terminal (for internal regulator)
3 to 6
LED4 to LED1
-
Not used
7
GREEN
-
Not used
8
AMBER
-
Not used
9
VDD33
-
Power supply terminal (+3.3V)
10
X1
I
System clock input terminal (30 MHz)
11
X2
O
System clock output terminal (30 MHz)
12
VDD25
-
Power supply terminal (+2.5V)
13
BUS_B
I
Power supply setting terminal Fixed at “H” in this unit
14
TEST
I
Test mode control signal input terminal
15
RREF
-
Reference resistor connection terminal
16
AVSS (R)
-
Ground terminal
17
AVDD
-
Power supply terminal (+2.5V)
18
AVSS
-
Ground terminal
19
AVDD
-
Power supply terminal (+2.5V)
20
VDD33
-
Power supply terminal (+3.3V)
21
DMU
I/O
Two-way USB data (negative) bus with the panel section
22
DPU
I/O
Two-way USB data (positive) bus with the panel section
23
VSS
-
Ground terminal
24
VDD25
-
Power supply terminal (+2.5V)
25
DM1
I/O
Two-way USB data (negative) bus with the connection cord
26
DP1
I/O
Two-way USB data (positive) bus with the connection cord
27
VSS
-
Ground terminal
28
DM2
I/O
Two-way USB data (negative) bus terminal Not used
29
DP2
I/O
Two-way USB data (positive) bus terminal Not used
30
VDD33
-
Power supply terminal (+3.3V)
31
DM3
I/O
Two-way USB data (negative) bus terminal Not used
32
DP3
I/O
Two-way USB data (positive) bus terminal Not used
33
VDD25
-
Power supply terminal (+2.5V)
34
DM4
I/O
Two-way USB data (negative) bus with the connection cord
35
DP4
I/O
Two-way USB data (positive) bus with the connection cord
36
VSS
-
Ground terminal
37
SYSRSTB
I
Power supply on/off control signal input form the system controller “H”: power on
38
PPB4
-
Not used
39
CSB4
-
Not used
40
PPB3
-
Not used
41
CSB3
-
Not used
42
VSS
-
Ground terminal
43
PPB2
-
Not used
44
CSB2
-
Not used
45
PPB1
-
Not used
46
CSB1
-
Not used
47
VBUSM
I
VBUS monitor terminal Not used
48
VDD33REG
I
Internal regulator power supply voltage (+3.3V) input terminal
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