Sony MZ-N1 service manual Data input terminal

MZ-N1

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

48