Sony CDP-CE575 service manual Not used fixed at “H”

CDP-CE575

Pin No.	Pin Name	I/O		Description
57	NC	I	Not used (fixed at “H”)
58	XLT	O	Serial data latch pulse signal output to the CXD2587Q (IC101)
59, 60	NC	—	Not used (open)
61	SCOR	I	Sub-code sync (S0+S1) detection signal input from the CXD2587Q (IC101)
62	BUSIN	I	Sircs remote control signal input from the CONTROL A1II
63	BUSOUT	O	Sircs remote control signal output to the CONTROL A1II
64	SMUTE	O	Muting on/off control signal output terminal “H” active
65	LDON/RW	O	Laser power control signal output to the CXA2581N (IC131) “H” active
66	TBLL	O	Table motor drive signal (counterclockwise) output to the BA6780 (IC11)
67	TBLR	O	Table motor drive signal (clockwise) output to the BA6780 (IC11)
68, 69	S2, S1	I	Detect signal input from the table address detect switch (S200)
70	OUT SW	I	Detect signal input from the open/close detect switch (S11)
71	A8	O	Address signal output to the static RAM (IC302)
72	VDD	—	Power supply terminal (+5V)
73	NC	—	Not used (fixed at “H”)
74 to 80	A9 to A12,	O	Address signal output to the static RAM (IC302)
	A0 to A2

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