Technicolor - Thomson CDP-CX57 MAIN BOARD IC501 CXP84340-071QSYSTEM CONTROLLER, Pin No, Pin Name

• MAIN BOARD IC501 CXP84340-071Q (SYSTEM CONTROLLER)

Pin No.	Pin Name	I/O		Function
1 to 5	A3 to A7	O
6	A12	O
7	A14	O	Address signal output to the static RAM (IC502)
8 to 11	A11 to A8	O
12	A13	O
13	WE	O	Data write enable signal output to the static RAM (IC502) “L” active
14	LDIN	O	Loading motor drive signal (load-in direction) output to the BA6780 (IC601)						“H” active
15	LDOUT	O	Loading motor drive signal (load-out direction) output to the BA6780 (IC601)						“H” active
16	TBLL	O	Table motor drive signal (counterclockwise) output to the BA6780 (IC601)					“H” active
17	TBLR	O	Table motor drive signal (clockwise) output to the BA6780 (IC601) “H” active
18, 19	NC	O	Not used (open)
20	HHOUT	O	AND output of T.SENS1 (pin ^ª) and T.SENS2 (pin ^£) when the test mode
21	LEDL	O	Serial data latch pulse output to the LED driver (IC903)			“H” active
22	FLLT	O	Serial data latch pulse output to the FL driver (IC901)			“L” active
23	JOG1	I	Jog dial pulse input from the rotary encoder (RE901)
24	JOG2	I	Jog dial pulse input from the rotary encoder (RE901)
25	DOORSW	I	Door open/close detect switch (S925) input		“L”: close, “H”: open
26	FLCK	O	Serial data transfer clock signal output to the FL driver (IC901) “L” active
27	FLDT	O	Serial data output to the FL driver (IC901)
28	ZMUTE	O	Muting on/off control signal output for the 2nd CD IN			“H” active
29	ICSW	O	Enable signal output to the LA5602 (IC201)		Used for the BD section reset				“H” active
30	RESET	I	System reset signal input from the reset signal generator (IC203)				“L”: reset
			For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
31	EXTAL	I	Main system clock input terminal (10 MHz)
32	XTAL	O	Main system clock output terminal (10 MHz)
33	VSS	—	Ground terminal
34	TX	O	Sub system clock output terminal	Not used (open)
35	TEX	I	Sub system clock input terminal	Not used (fixed at “L”)
36	AVSS	—	Ground terminal (for A/D converter)
37	AVREF	I	Reference voltage (+5V) input terminal (for A/D converter)
38	KEY0	I	Key input terminal (A/D input)	CLEAR, CHECK, FADER, MEMO SEARCH, INPUT,
			TIME/TEXT keys input (S901 to 906)
39	KEY1	I	Key input terminal (A/D input)
			±, -, p, P, á, PLUS ONE, REPEAT, PLAY MODE keys input (S907 to 914)
40	KEY2	I	Key input terminal (A/D input)
			I/u, X-FADE, NO DELAY, MEGA CONTROL keys input (S921 to 924)
41	KEY3	I	Key input terminal (A/D input)	GROUP 5 to 1, GROUP FILE keys input (S915 to 920)
42	D.SENS	I	Inputs the disc sensor (Q51) detection signal		“H” active
43	CD1/2/3	I	COMMAND MODE switch (S701) input terminal
			“L”: CD1, “H”: CD3 (CD2: center voltage input)
44	TEST	I	Setting terminal for the test mode	“L”: ADJ mode, center voltage: AFADJ mode
45	BUSOUT	O	Sircs remote control signal output for the S-LINK CONTROL A1				“H” active
46	BUSIN	I	Sircs remote control signal input for the S-LINK CONTROL A1				“L” active
47	SL+	O	Sled feeding signal (external direction) output to the RF amplifier (IC101)					“H” active
48	CQCK	O	Command serial clock signal output to the RF amplifier (IC101) and DSP (IC102)
			“L” active

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