Sony MDX-61 service manual Door-Sw, Bus-On, Str-Sw, Clock

Pin No.		Pin Name		I/O			Function
56		LIMIT-SW		I	Detection signal input from the limit switch (S400)			When sled limit in : "L"
57				I	Detection signal input from the door open/close switch (S620)				When open : "L"
		DOOR-SW
58		MD-LAT		O	Serial latch signal output to RF AMP (IC100), CXD2535CR (IC200) and CXD2536CR (IC500)
					Reset signal output to RF AMP (IC100), CXD2535CR (IC200) and CXD2536CR (IC500)
59		MD-RST		O
					When reset "L"
60			BU-IN	I	Battery detection signal input
61				I	BUS-ON detection signal (serial communications) input BUS ON : “L”
			BUS-ON
62			SQSY	I	Sub-code Q sync (SCOR) input from CXD2535CR (IC200)
					"L" every 13.3msec, Almost "H"
63			STR-SW	I	Detection signal input from the STOP switch (S600)
64			FOK	I	Focus OK signal input from CXD2435CR (IC200)			"H" is input when the focus is applied
65			MD-ON	O	Power control signal output (Servo system)		Power ON : "H"
66		EMPH-O		O	Deemphasis control signal output to the D/A converter (IC550)				Deemphasis ON "L"
67			A-MUT	O	Audio mute signal output	When mute : "H"
68			N.C.	O	Not used (OPEN)
69			CLOCK	O	Clock signal output for test mode indication		Not used this set (OPEN)
70			DATA	O	Data signal output for test mode indication		Not used this set (OPEN)
71				I	Test mode set up terminal	Normolly :"H"	When test mode : "L"
	TM-ON/OFF
72			VDD	–	Power supply terminal (+5V)
73			N.C.	–	Not used (Fixed at "H")
74			TO0	O	Test key (4x8 matrix) signal output terminal (OPEN)
75			TO1	O	Test key (4x8 matrix) signal output terminal (OPEN)
76			TO2	O	Test key (4x8 matrix) signal output terminal (OPEN)
77			TO3	O	Test key (4x8 matrix) signal output terminal (OPEN)
78			TI0	I	Test key (4x8 matrix) signal input terminal (Fixed at "L")
79			TI1	I	Test key (4x8 matrix) signal input terminal (Fixed at "L")
80			TI2	I	Test key (4x8 matrix) signal input terminal (Fixed at "L")

*1 Elevator motor (M904) control

		Mode	UP	DOWN
Terminal
	M1 pin 6		"H"	"L"
		pin 7	"L"	"H"
	M1

*2 Loading motor (M903) control

		Mode	IN	OUT	Brake
Terminal
	M2 pin 8		"L"	"H"	"H"
		pin 9	"H"	"L"	"H"
	M2

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