Sony MZ-E505 service manual Abcd

MZ-E505

Pin No.	Pin Name	I/O		Description
45	BOTM	I	Bottom hold signal input of the light amount signal (RF/ABCD) from RF amp
46	ABCD	I	Light amount signal (ABCD) input from RF amp
47	FE	I	Focus error signal input from RF amp
48	AUX1	I	Support signal (I3 signal/temperature signal) input terminal (A/D input) Not used
49	VC	I	Middle point voltage (+1.2V) input terminal
50	ADIO	O	Monitor output terminal of A/D converter input signal				Not used
51	ADRT	I	A/D converter the upper limit voltage input terminal (fixed at “H” in this set)
52	AVD2	—	Power supply terminal (for the analog) (+2.3V)
53	AVS2	—	Ground terminal (for the analog)
54	ADRB	I	A/D converter the lower limit voltage input (fixed at			“L” in this set)
55	SE	I	Sled error signal input terminal Not used
56	TE	I	Tracking error signal input from RF amp
57	DCHG	—	Connecting analog power supply of the low impedance (fixed at “H” in this set)
58	APC	I	Error signal input for the laser automatic power control				Not used
59	DSPVDD0	—	Power supply terminal (for DSP block) (+1.5V)
60	DSPVSS0	—	Ground terminal (for DSP block)
61	XTSL	I	Input terminal for the frequency set up of the system clock					“L”: 45.1584MHz,
			“H”: 22.5792MHz (fixed at “L” in this set)
62	DIN1	I	Input terminal of the record system digital audio signal				Not used
63	DOUT	O	Output terminal of the playback system digital audio signal					Not used
64	DAPWMLP	O	D/A converter PWM output terminal (L-CH right phase) Not used
65	DAPWMLN	O	D/A converter PWM output terminal (L-CH reverse phase)					Not used
66	DAPWMRP	O	D/A converter PWM output terminal (R-CH right phase)					Not used
67	DADT	O	Audio data output terminal	Not used
68	ADDT	I	Data input terminal Not used
69	LRCK	O	L/R sampling clock signal (44.1KHz) output terminal				Not used
70	XBCK	O	Bit clock signal (2.8224MHz) output terminal		Not used
71	FS256	O	11.2896MHz clock signal output terminal Not used
72	MVCI	I	Clock signal input terminal	Not used
73	DSPVDD1	—	Power supply terminal (for DSP block) (+1.5V)
74	ADFG	I	ADIP duplex FM signal (20.05± 1kHz) input from RF amp
75	F0CNT	O	Filter cut off control signal output terminal		Not used
76	DIFVDD0	—	Power supply terminal (for DSP I/F) (+1.9V)
77	DIFVSS0	—	Ground terminal (for DSP I/F)
78	APCREF	O	Reference PWM signal output for the laser automatic power control to RF amp
79	LDDR	O	PWM signal output for the laser automatic power control					Not used
80	TRDR	O	Tracking servo drive PWM signal output (–) to the motor driver
81	TFDR	O	Tracking servo drive PWM signal output (+) to the motor driver
82	FFDR	O	Focus servo drive PWM signal output (+) to the motor driver
83	FRDR	O	Focus servo drive PWM signal output (–) to the motor driver
84	MCUVDD1	—	Power supply terminal (for the microcomputer block) (+1.5V)
85	FGIN	I	FG signal input terminal for the spindle CAV servo			Not used
86	FS4	O	176.4kHz clock signal output to the power control
87	SPDU	O	Spindle motor drive control signal output (U) to the motor driver
88	SPVS	O	Spindle servo drive PWM signal output to the motor driver
89	SPDV	O	Spindle motor drive control signal output (V) to the motor driver

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