Sony HCD-C5 service manual Play-Sw, Rec-Sw, Wrpwr, Reflect, Da-Reset, Slicer-Sel, Optsel, Avcc

HCD-C5

Pin No.	Pin Name	I/O	Description
50	XLATCH	O	Lacth signal output to the DSP IC
51	PLAY-SW	I	Detection signal input from the playback position detection switch (L:PLAY)
52	D-RESET	O	Digital reset signal output to the CXD2662R and the motor driver (L:Reset)
53	REC—SW	I	Detection signal input from the recording position detection switch (L:REC)
54	WRPWR	O	Write power ON/OFF signal output (L:OFF, H:ON)
55	LIMIT—IN	I	Detection signal input from the limit switch (L:Sled limit-in, H:Sled limit-out)
56	MOD	O	Modulation signal output to the laser diode (L:OFF, H:ON)
57	LDON	O	Laser ON/OFF control signal output (H:Laser ON)
58	SENS	I	SENS signal input from the CXD2662R
59	SHOCK(MNT1)	I	Track jump signal input from the CXD2662R
60	EEP—DATA	I/O	Data signal input/output terminal with the EEP-ROM
61	REFLECT	I	Disc reflection rate detection input from the reflect detection switch
			(H:Disc with low reflection rate)
62	VCC	—	Power supply (+3.3V)
63	—	—	Not used
64	VSS	—	Ground
65	LOAD—LO	O	Loading motor voltage control signal output (L:High voltage, H:Low voltage)
66	LOAD—OUT	O	Loading motor control signal output (H:Out)
67	LOAD—IN	O	Loading motor control signal output (H:In)
68	(MODEL0)	—	Not used
69	(MODEL1)	—	Not used
70	MODEL2	I	Model setting input terminal
71	MODEL3	I	Model setting input terminal
72	SPDIF—CUT	O	Power control signal output for the PLL power supply of the D/A converter
73 to 75	—	—	Not used
76	DAC—MUTE	O	Muting signal output to the D/A converter
77	LINE—MUTE	—	Not used
78	DA—RESET	O	Reset signal output to the D/A converter (L:Active)
79	SLICER—SEL	O	IEC958 input select signal output to the D/A converter
80	SPDIF—LOCK	I	LOCK signal input from the D/A converter
81	OPTSEL	O	Optical input selection signal output
82	ADPDWN	O	Power control signal output to the A/D converter
83 to 84	—	—	Not used
85	TP1	—	Not used
86	TP2	—	Not used
87	TP3	—	Not used
88	TP4	—	Not used
89	IOP	I	Optical pick-up voltage (current) detect signal input
90 to 95	—	—	Not used
96	AVSS	—	Ground (Analog)
97	—	—	Not used
98	VREF	I	Reference voltage input terminal
99	AVCC	—	Power supply (Analog)
100	—	—	Not used

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