Read Sony MEX-N4000BE / MEX-N4000BT / MEX-N4050BT / MEX-N4070BT Service Manual online
MEX-N4000BE/N4000BT/N4050BT/N4070BT
47
Pin No.
Pin Name
I/O
Description
57
MEC_LIMIT
I
Limit in detection switch input terminal
58
Vcc
-
Power supply terminal (+1.18V) (for internal)
59
KEY_ACK0
I
Key acknowledge signal (wake up signal) input from the rotary commander
60
MEC_LOAD
O
Loading motor drive signal (loading direction) output terminal “H”: motor on
61
Vss
-
Ground terminal
62
PVcc
-
Power supply terminal (+3.3V) (for I/O)
63
XM_RX
I
Serial data input terminal Not used
64
DEBUG_RX
I
Receive data input terminal for the debug Not used
65
BT_RX
I
Serial data input from the BT module
66
TBD
I
Fixed at “L” in this unit
67
RTC_X1
I
System clock input terminal (32.768 kHz)
68
RTC_X2
O
System clock output terminal (32.768 kHz)
69
PLLVcc
-
Power supply terminal (+1.18V) (for PLL)
70
EXTAL
I
System clock input terminal (13.333 MHz)
71
XTAL
O
System clock output terminal (13.333 MHz)
72, 73
Vss
-
Ground terminal
74
NMI
I
Fixed at “H” in this unit
75
Vss
-
Ground terminal
76
RES
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
77
PVcc
-
Power supply terminal (+3.3V) (for I/O)
78 to 80
NC
-
Not used
81
RC_IN0
I
Rotary commander key input terminal
82, 83
KEY_IN0, KEY_IN1
I
Front panel key input terminal
84, 85
NC
-
Not used
86
AVcc
-
Power supply terminal (+3.3V) (analog system)
87
Vss
-
Ground terminal
88
AVref
-
Reference power supply (+3.3V) input terminal (analog system)
89
BSCANP
I
Fixed at “L” in this unit
90
PVcc
-
Power supply terminal (+3.3V) (for I/O)
91
AUDIO_X1
I
Audio clock signal input terminal
92
NC
-
Not used
93
Vss
-
Ground terminal
94
SYNC_ON
O
Not used
95
Vcc
-
Power supply terminal (+1.18V) (for internal)
96
XM_PWR
O
Power supply on/off control signal output terminal Not used
97
TRST
I
Reset signal input terminal for the JTAG Not used
98
TDO
O
Data output terminal for the JTAG Not used
99
TDI
I
Data input terminal for the JTAG Not used
100
TMS
I
Mode selection signal input terminal for the JTAG Not used
101
TCK
I
Clock signal input terminal for the JTAG Not used
102
Vss
-
Ground terminal
103
ILL_IN
I
Illuminate line detection signal input terminal Not used
104
EN_SYS
O
Power on/off control signal output to the regulator “H”: power on
105
Vcc
-
Power supply terminal (+1.18V) (for internal)
106
PWR_ECO
O
Low power mode selection signal output to the regulator “L”: low power mode
107
Vss
-
Ground terminal
108
USB_OVR
I
USB over current detection signal input from the regulator “L”: over current
109
PVcc
-
Power supply terminal (+3.3V) (for I/O)
110
USB_ON2
O
USB power on/off control signal output terminal Not used
111
USB_OVR2
I
USB over current detection signal input terminal Not used
112
BT_PWR
O
Power on/off control signal output terminal for the Bluetooth section “H”: power on
113
NC
-
Not used
114
BT_RST
O
Reset signal output to the BT module “L”: reset
115
NC
-
Not used
116
Vss
-
Ground terminal
117
NC
-
Not used
118
USB_ON
O
USB power on/off control signal output to the regulator “H”: power on
119
Vcc
-
Power supply terminal (+1.18V) (for internal)
120
RC_IN1
I
Rotary commander shift key input terminal
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