Sony CDX-1000RF service manual Section Diagrams, IC PIN Description

							SECTION 4
							DIAGRAMS
4-1. IC PIN DESCRIPTION
• IC801 ∝ PD17705GC-547-3B9 (SYSTEM CONTROL)
Pin No.		Pin Name				I/O		Pin Description
1					NC	—	Not used. (Connect to ground in this set.)
2						I	Disc insertion detection input L: IN_SW
				IN_SW
3						I	DOWN switch detection input	L: D_SW
					D_SW
4						I	Disc self store detection input	L: SELF_SW
		SELF_SW
5						I	Sled limit switch detection input	L: L_SW
					L_SW
6				LM_EJ		O	Loading motor control output (Eject direction)
7			LM_LD			O	Loading motor control output (Loading direction)
8			RY_ON			O	Relay control output
9, 10					NC	—	Not used. (Open)
11	BAND_SW					I	BAND select input 0: US
12 – 20					NC	—	Not used. (Open)
21					GND3	—	Ground
22					NC	—	Not used. (Open)
23				ADKI2		I	A/D key input 2
24				ADKI1		I	A/D key input 1
25		ROTCOM				I	Rotary commander shift key input
26					NC	—	Not used. (Open)
27						I	Test mode initial setting detection input L: TEST_SW
		TEST_SW
28, 29					NC	—	Not used. (Open)
30					VDD2	—	Power supply pin (+5 V)
31					FMIN	I	PLL local oscillator frequency input
32					NC	—	Not used. (Open)
33					GND2	—	Ground
34					NC	—	Not used. (Open)
35					EO1	O	PLL error 1 output
36				TEST0		—	Connect to GND line.
37 – 40					NC	—	Not used. (Open)
41						I	Accessory power detection input	L: ACC_IN
			ACC_IN
42					SCOR	I	SCOR signal detection input
43				MUTE		O	Mute control output
44		LEVEL D				O	Level control output
45					NC	—	Not used. (Open)
46					PH2	I	Connect to +5 V line.
47		LEVEL 1				O	Volume control output
48, 49					NC	O	Not used. (Open)
50		EMPH_O				O	Emphasis control output
51			PW_ON			O	System power control output
52			LM_ON			O	Loading motor power control output
53			CD_ON			O	CD power control output
54				ILLON		O	Illumination power control output
55 – 57					NC	—	Not used. (Open)
58		LCD_CE				O	LCD chip enable output
59						I	Rotary commander shift key input L: EZ_SEL
			EZ_SEL
60					SENS	I	CD SENS signal detection input
61					FOK	I	Focus OK signal detection input
62						O	Laser ON/OFF control output	L: LD_ON
			LD_ON
63, 64					NC	—	Not used. (Open)
65	LCD_CLK					O	LCD serial clock output
66		LCD_DAT				O	LCD serial data output
67						O	LCD inhibition output L: LCD_INH
		LCD_INH
68			SQCK0			O	Sub Q read clock output

Pin No.	Pin Name		I/O	Pin Description
69	CD_RST		O	Reset output to CD signal processor IC.
70		SQ_SI	I	Sub Q data input
71	CD_SO0		O	CD signal serial data output
72	CD_LAT		O	CD signal processing data latch output
73	CD_CK0		O	CD signal processing serial clock output
74		NC	—	Not used. (Open)
75		GND1	—	Ground
76		XOUT	O	ceramic oscillator output (4.5 MHz)
77		XIN	I	ceramic oscillator input (4.5 MHz)
78		BU_IN	I	Backup power detection input
79		VDD1	—	Power supply pin (+5 V)
80			I	Reset input L: RESET
		RESET

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