Sony MDS-JE770 IC1 M30803MG-106FPSYSTEM CONTROL MAIN BOARD, Pin No, Pin Name, Description

MDS-JE770

• IC1 M30803MG-106FP SYSTEM CONTROL (MAIN BOARD)

Pin No.	Pin Name	I/O	Description
1	FLDT	O	Serial data signal output to the display driver.
2	FLCK	O	Serial clock signal output to the display driver. L: Active
3	A1-IN	I	A1 Control input.
4	SIRCS	I	Remote control input.
5 - 7	NC	—	Not used.
8	BYTE	I	Data bus changed input. (Connected to ground.)
9	CNVSS	—	Ground.
10	XIN-T	I	Not used . (open)
11	XOUT-T	O	Not used . (open)
12	S.RST	I	System rest input. L : reset
13	XOUT	O	Main clock output. (10MHz)
14	GND	—	Ground.
15	XIN	I	Main clock input. (10MHz)
16	VCC	I	Power supply. (+3.3V)
17	NMI	I	Fixed at H.
18	DQSY	I	Digital In U-bit format or MD format subcode Q sync (SCOR) input to CXD2662R.
19	P.DOWN	I	Power down detection input. L: Power down
20	SQSY	I	Subcode Q (SCOR) sync input from CXD2662R.
21	KB.CLK	O	Keyboard clock output.
22	KB.DATA	I	Keyboard data output.
23	IIC BUSY	I	IIC busy signal input.
24	A1 OUT	O	A1 control signal output.
25	XINIT	I	Interrupt status input from CXD2662R.
26	*BEEP	O	Not used. (open)
27	LRCKI	O	Not used. (open)
28	IIC POWER	O	IIC start-up check.
29	IIC CLK	O	IIC serial clock output.
30	IIC DATA	I/O	IIC serial data input/output.
31	SWDT	O	Writing data signal output to CXD2662R and AK4524.
32	SRDT	I	Reading data signal input from CXD2662R.
33	SCLK	O	Clock signal output to CXD2662R and AK4524.
34	KB.CLK-CTRL	O	Keyboard clock ON/OFF signal output.
35	CLIP-TX	O	Not used. (open)
36	CLIP-RX	I	Not used. (open)
37	XBCK1	O	Not used. (open)
38	MUTE	O	Line out muting output. L: Mute
39	ADA.RESET	O	Reset signal output to the AK4524. L: Active

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