Sony HCD-C5 service manual IC501

HCD-C5

• IC501	∝ PD703032AYGF-M01-3BA MASTER CONTROL (UCOM BOARD)
Pin No.		Pin Name	I/O	Description
1		FL-DATA	O	FL tube data signal output
2		FL-CLK	O	FL tube clock signal output
3		SDA	I/O	IIC data signal input or output
4		FL-CE	O	FL tube enable signal output
5		SCL	I/O	IIC clock signal input or output
6		FL-RST	O	FL tube reset signal output
7		CXD-DATA	O	Data signal output to DSP
8		CXD-CLK	O	Clock signal output to DSP
9		EVDD	—	Power supply for I/O port
10		EVSS	—	Ground for I/O port
11		CXD-XLT	O	Latch signal output to DSP
12		PWM1	O	PWM1 signal output
13		LDON	O	Laser power control signal output
14		SENSE	I	CD SENSE signal input
15		SUBQ	I	CD SUBQ signal input
16		CHECK	O	Not used (open)
17		SCLK	O	CD SUBQ clock signal output
18		CTRL1	O	CTRL1 (setting double speed) signal output
19		PWM2	O	PWM2 signal output
20		PWM3	O	PWM3 signal output
21		VPP	—	Not used
22		SP-MUTE	O	Not used (open)
23		1-4	O	Not used (open)
24		DMUTE	O	Muting signal output to DAC
25		AMUTE	O	Not used (open)
26		LODNEG	O	Loading motor control signal output
27		LODPOS	O	Loading motor control signal output
28		BDPWR	O	CD power control signal output
29		BDRST	O	CD reset signal output
30		SW1	I	Loading switch signal input
31		SW2	I	Loading switch signal input
32		SW3(ENC-A)	I	Loading switch signal input
33		SW4(ENC-B)	I	Loading switch signal input
34		RESET	I	Systen reset input
35		XT1	I	Sub clock input
36		XT2	—	Sub clock output
37		REGC	—	Terminal for regulator clock
38		X2	—	Main system clock output
39		X1	I	Main system clock input
40		VSS	—	Ground
41		VDD	—	Power supply
42		CLKOUT	O	Clock output (open)
43		PLL-CLK	O	Tuner clock signal output
44		PLL-DO(∝COM-ST)	O	Tuner data signal output
45		PLL-DI(ST-∝COM)	I	Tuner data signal input
46		PLL-CE	O	Tuner chip enable signal output
47		ST-MUTE	O	Tuner muting signal output
48		STEREO	I	Stereo tuning signal input
49		TUNED	I	TUNED detect signal input
50		RDS-DATA	I	RDS data signal input

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