Sony Net MD Walkman MZ-N1 Service Manual page 49

Pin No.
Pin Name
101 XUDP UP ON
102 LCD RST
103 XMUTE
104 XRST
105 STAND DET
106 VB MON
107 CHG MON
108 VREF MON
109, 110 SET KEY 1, 2
111 VBUS DET
112 HIDC MON
113 WK DET
114 REC KEY
HALF LOCK
115
SW
116 RMC KEY
117 AVDD
118 AVSS
119 TSMVDD
120 RMC DTCK
121 TSLVDD
122, 123 NC
124 TAT
125 TAN
126 NAR
127 ID0
128 SAK
129 IT0
130 MITY
131 SUSPEND
132 USBIFVDD
133 UDM
134 UDP
135 UPUEN
136 USBOSCVDD
137 UOSCI
138 UOSCO
139 USBOSCVSS
140 to
MODE1 to 3
142
143 HD CON 1
144 PBVDD
145 HD CON 2
146 XTEST
147 XCS ADA
148 XPD ADA
I/O
O Pull-up resistor changeover control signal output of USB data (+) output terminal Not used
O Reset control signal output to the liquid crystal display element module "L": reset
O Analog muting control signal output to the headphone amplifier "L": muting ON
I
System reset signal input from the power control "L": reset
I USB cradle detection signal input terminal
I
Voltage monitor input terminal (A/D input) of the UNREG power supply
I Charge voltage monitor input (A/D input) from the power control
I Clear reference voltage monitor input (A/D input) from the RF amplifier
I Key input terminal (A/D input) from the switch & liquid crystal display element module
I USB power supply voltage detection terminal
I HIGH DC voltage monitor input terminal (A/D input)
I
Set key and USB start switching detection signal input terminal (A/D input)
I
REC key input terminal (A/D input)
Open button detection switch input terminal (A/D input)
I
Input "L" when the open button is pressed. Input "H" in other cases.
I Key input terminal (A/D input) from the remote commander attached headphone
—
Power supply terminal (for the microcomputer analog) (+2.6V)
—
Ground terminal (for the microcomputer analog)
—
Power supply terminal (for the TSB master communication) (+2.6V)
I/O Serial data input/output with the remote commander attached headphone
—
Power supply terminal (for the I/F to TSB slave) (+1.7V)
—
Not used
—
Not used
— Not used
—
Not used
—
Not used
—
Not used
— Not used
—
Not used
O
USB suspend signal output terminal Not used
—
Power supply terminal (for USB I/F) (+3V)
I USB data (-) input terminal
I USB data (+) input terminal
O USB pull-up resistor connection control output terminal
—
Power supply terminal (for the USB oscillation circuit) (+2.2V)
I Clock (48MHz) input terminal for the USB
O Clock (48MHz) output terminal for the USB
—
Ground terminal (for the USB oscillation circuit)
O Power supply control signal output for the over write head to the over write head drive
O Over write head control signal output to the over write head drive
— Power supply terminal (+1.7V)
O Over write head control signal output to the over write head drive
I Terminal for test mode set (normally: open) "L": test mode
O Chip select signal output to the A/D converter
O Power supply control signal output for the drive to the A/D converter
Description
MZ-N1
49