Sony MZ-300 specifications 1717, MZ-E300, Pin No, Pin name, Description

MZ-E300

Pin No.	Pin name	I/O	Description
46	CLV_W_CON	O	Spindle servo (W) drive signal output to SC111257FCR2 (IC551)
47	SLED_1R_CON	O	Sled motor control signal output to SC111257FCR2 (IC551)
48	SLED_1F_CON	O	Sled motor control signal output to SC111257FCR2 (IC551)
49	SLED_2R_CON	O	Sled motor control signal output to SC111257FCR2 (IC551)
50	SLED_2F_CON	O	Sled motor control signal output to SC111257FCR2 (IC551)
51	BEEP	O	Beep sound drive signal output to phones amplifier (IC301)
52	NV_XCS	O	Chip select signal output to EEPROM (IC802)
53	RMC_DTCK	I/O	TSB serial communication data input/output to/from remote commander with phones
54	SIO2_CLK	O	Serial clock signal output to LC89642-8B-E (IC601) and EEPROM (IC802)
55	SIO3_DI	I	Read data input from LC89642-8B-E (IC601) and EEPROM (IC802)
56	SIO3_DO	O	Write data output to LC89642-8B-E (IC601) and EEPROM (IC802)
57	DSP_VP	I	CLV servo lock decision signal input from LC89642-8B-E (IC601)
58	VL_VCON	O	PWM signal for VL voltage control signal to XPC18A32FCR2 (IC901) output
59	PWR_CLK	O	External sync. clock (176.4kHz) signal to XPC18A32FCR2 (IC901) output
60	SEG0	O	LCD segment output
61	VSS	—	Ground (Digital system)
62-72	SEG1-11	O	LCD segment output
73-76	COM0-3	O	LCD common output
77-79	VL1, 2, LVDD	I	LCD drive level power supply input
80	VSS	—	Ground (Digital system)

1717