Sony Explore the Features and Specifications of the HCD-C5 Stereo System

HCD-C5

Pin No.	Pin Name	I/O	Description
51	PROTECT	I	Not used (pull-up)
52	PRE-MUTE	O	Pre-amplifier muting signal output
53	PWR-MUTE	O	Not used (open)
54	REC-MUTE	O	REC output muting signal output
55	HP-MUTE	O	Not used (open)
56	SPK-RELAY	O	Speaker relay control signal output
57	HELP	I/O	IIC busy signal input or output
58	BVDD	—	Power supply for bus interface
59	BVSS	—	Ground for bus interface
60	KBD-CHK	I	PC LINK inserted detect signal input
61	KBD-DATA	I	Key board data input (pull-up)
62	VOL-CE	O	Volume latch signal output to the sound processor
63	VOL-CLK	O	Volume clock signal output to the sound processor
64	VOL-DATA	O	Volume data signal output to the sound processor
65	LED	O	LED control signal output
66	FAN-ON	O	Not used (open)
67	HP-IN	I	Headphone detect signal input (pull-down)
68	IO-RST	O	Not used (open)
69	PWR-RELAY	O	Power relay control signal output
70	MD-PWR	O	MD power control signal output
71	FL-ON	O	Not used (open)
72	ON/STANDBY	O	STANDBY LED control signal output
73	DIMMER	O	Not used (open)
74	AVDD	—	Analog power supply
75	AVSS	—	Analog ground
76	AVREF	—	Analog reference voltage
77	KEY1	I	Key input signal from function switch
78	KEY2	I	Key input signal from function switch
79	KEY3	I	Key input signal from function switch
80	ADJ	I	Adjust mode input (pull-up)
81	DEST1	I	Destination setting input
82	DEST2	I	Destination setting input
83	DEST3	I	Destination setting input
84	DEST4	I	Destination setting input
85	MODEL1	I	Model setting input
86	MODEL2	I	Model setting input
87	DEVICE1	I	Device setting input
88	DEVICE2	I	Device setting input
89	KBD-CLKO	O	Keyboard clock output (pull-up)
90	KBD-CLKI	I	Keyboard clock input (pull-up)
91	AC-CUT	I	AC off detect signal input
92	PCPON	I	PC power detect signal input for PC LINK
93	KEY-RM	I	Remote control receiver or power key detect signal input
94	SIRCS	I	Remote control receiver data signal input
95	SCOR	I	CD Q-data request signal input
96	RDS-CLK	I	RDS clock signal input
97	IO-DI	—	Not used (open)
98	IO-DO	—	Not used (open)
99	IO-CLK	—	Not used (open)
100	IO-CE	—	Not used (open)

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