Sony STR-DE845 service manual Rds Clock

Pin No.	Pin Name	I/O	Description
53	RDS CLOCK	I	RDS clock signal input terminal Not used (fixed at “L”)
54	RDS DATA	I	RDS data input terminal Not used (fixed at “L”)
55	OSD VSYNC	O	Video sync signal output to the video switch (IC2005) (used for STR-DE945 only)
56	OSD VBLK	O	Video clock signal output to the video switch (IC2005) (used for STR-DE945 only)
57	NC	—	Not used (fixed at “L”)
58	U-RESET	O	Reset signal output to the system controller (IC1201)
59	U-SREQ	I	Slave request signal and data input from the system controller (IC1201)
60	U-MREQ	O	Master request signal output to the system controller (IC1201)
61	U-DATA	O	Master data output to the system controller (IC1201)
62	U-CLOCK	O	Master clock signal output to the system controller (IC1201)
63	AUBUS-IN	I	Audio bus input terminal
64	SP-A	I	Speaker A select signal input terminal
65	SP-B	I	Speaker B select signal input terminal
66	POWER-KEY IN	I	Power switch (S150) input terminal “L” is input when this key pressing
67	AUBUS-OUT	O	Audio bus output terminal
68	VERSION IN 1	I	Setting terminal for version 1 input
69	VERSION IN 2	I	Setting terminal for version 2 input
70	VERSION IN 3	I	Setting terminal for version 3 input
71	VERSION IN 4	I	Setting terminal for version 4 input
72	VERSION IN 5	I	Setting terminal for version 5 input
73	VERSION OUT 1	O	Setting terminal for version 1 output
74	VERSION OUT 2	O	Setting terminal for version 2 output
75	JOG-UP	O	Function encoder up input terminal (RV101)
76	JOG-DOWN	O	Function encoder down input terminal (RV101)
77	RESET	O	Reset signal input from the power control (IC1206)
78 to 80	NC	—	Not used (fixed at “L”)
81	VSS	—	Ground terminal
82	XO	O	System clock output terminal (16MHz)
83	XI	I	System clock input terminal (16MHz)
84	VCC	—	Power supply terminal (+5V)
85, 86	NC	—	Not used (fixed at “L”)
87	LED CLK	I	LED clock signal input from the LED drive (IC106)
88	LED DATA	I	LED data input from the LED drive (IC106)
89	LED CE	I	LED chip enable signal input from the LED drive (IC106)
90	LED CLR	I	LED clear signal input from the LED drive (IC106)
91, 92	NC	—	Not used (fixed at “L”)
93	MBUS-V1	I	V1 (M BUS) control signal input from the video select switch (IC253)
94	MBUS-DVD	I	DVD (M BUS) control signal input from the video select switch (IC253)
95	MBUS-TV	I	TV (M BUS) control signal input from the video select switch (IC253)
96	MBUS-STATUS	I	STATUS (M BUS) control signal input from the video select switch (IC253)
97	2WAY	O	Control A1 on/off control for signal output to the SIRCS driver (IC12)
			(used for STR-DE945 only)
98	LAT	O	Learning microprocessor latch signal output to the SIRCS driver (IC12)
			(used for STR-DE945 only)
99	RESET	O	Reset signal output to the SIRCS driver (IC12) (used for STR-DE945 only)
100	OSD LAY	O	Video latch signal output to the video switch (IC2004) (used for STR-DE945 only)

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