Sony Net MD Walkman MZ-N1 Service Manual page 48

MZ-N1
Pin No.
Pin Name
56
KDI
57
TRST
58 XOPT CTL
59
VG CTL
60
AOUT SEL
61
REC OPR LED
62 TSB SSB CTL
63
GND SW2
64
CLK SEL
65 MIC SENSE
66 GND SW
67 XCS LCD
68 LCD STB
69 MUTE
70 CS RTC
71 XCS NV1
72 IFVDD1
73 IFVSS1
XRST MTR
74
DRV
75 XRF RST
76 SPDL MON
77 XHOLD SW
78, 79 JOG A, B
80, 81 PD S0, PD S1
82 PAUSE KEY
83 PROTECT
84 SLD MON
85 VLON
86 DVSS1
87 DVDD1
88 SLEEP
89 FFCLR
90 CHG GAIN
91 CHG CTL
92 CHGI CTL
93 XHP STBY
94 XCS NV2
95 IFVSS2
96 IFVDD2
97 T MARK SW
98 CHG LED
99 NC
100 NC
48
I/O
I
Data input terminal Not used
I
Setting terminal for the test mode (normally fixed at "L")
O Power supply ON/OFF control signal output for the DIN PD drive
O VG power supply voltage control signal output terminal Not used
O HP/LINE changeover signal output to the headphone amplifier
O LED ON/OFF control signal output for the REC display
O TSB/SSB changeover control signal output terminal Not used
O Battery for Cradle ON/OFF switch control signal output terminal Not used
O System clock select signal output to the power control
Mic sensitivity control signal output to the mic amplifier
O
"L": Low sensitivity "H": High sensitivity (normally: "H")
O GND changeover control signal output terminal
O Chip select signal output to the liquid crystal display element module
O Strobe signal output to the liquid crystal display element module
O Analog muting control signal output "H": muting ON Not used
O Chip select signal output to the clock IC
O Chip select signal (1) output to the nonvolatile memory
—
Power supply terminal (for the microcomputer I/F block) (+1.7V)
—
Ground terminal (for the microcomputer I/F block)
O Reset control signal output to the motor driver "L": reset
O Reset control signal output to the RF amplifier "L": reset
I Spindle servo monitor signal input
I HOLD switch input terminal "L": hold ON
I Jog dial pulse input terminal from the switch & liquid crystal display element module
O PD IC mode changeover signal output to the optical pick up
I Pause key input terminal from the switch & liquid crystal display element module
I Detection input terminal of the record check claw from the protect detection switch "H": protect
I Sled servo monitor signal input terminal
O Power supply control signal output for the laser diode drive to the power control
—
Ground terminal (for the DSP block)
—
Power supply terminal (for the DSP block) (+1.1V)
O System sleep control signal output to the power control "H": sleep ON
O Input latch output for the start switching to the power control
O Charge gain control signal output to the power control
O Charge ON/OFF control signal output to the power control "H": charge ON
O Charge current control signal output terminal Not used
O
Power supply control signal output terminal Not used
O Chip select signal (2) output to the nonvolatile memory
—
Ground terminal (for the microcomputer I/F block)
— Power supply terminal (for the microcomputer I/F block) (+1.7V)
I T MARK (track mark) switch input terminal "L": track mark detection
LED ON/OFF control signal output for CHG (charge display) from the switch & liquid crystal
O
display element module
I Initial switch detection input terminal Not used
—
Not used
Description