Teac AG-H300-Mk3 Service Manual

IC FUNCTION (Micom BVITMP87PM78F)

PIN No.	SYMBOL	I/O	DESCRIPTION
1	Vdd	I	+5V
2	NC	-	NO Connection
3	Func, Mute	O	Function Mute ON/OFF Output
4	NC	-	No Connection
5	NC	-
6	NC	-
7~9	Func, Indicator	O	Function LED Drive Data Output
10	NC	-	No connection
11	RDS-DATA	I	RDS DATA Output
12	FM-L	I	FM/AM Switching Output
13	RDS-CLK	I	RDS CLOCK input
14	Stereo-IN	I	Stereo Display input
15	Tuned-IN	I	Tuned Display input
16	Protect-IN	I	Protection input
17~21	Key Input	I	Resistor Divide Key Control Input
22	Vss	-	GND
23	Vass	-	GND
24	Varef	-	Vdd(+5V)
25	Vdd	-	+5V
26	Back-up	I	Backup Mode control
27	Vss	-	GND
28~29	Func, Up/Down	I	Function UP/DOWN INput
30	Vss	-	GND
31	XIN	I	Crstal element Connection Terminal
32	XOUT	O	Crstal element Connection Terminal
33	RESET	I	RESET Input
34	Remote-In	I	Remote Control Data Input
35	BUS OUT	O	System Control Signal Output
36	BUS IN	I	System Control Signal Input
37	SPK ON/OFF	O	Speker ON/OFF Output
38	NC	-	NO Connection
39	-20dB Mute	O	-20dB Mute Output
40	NC	-	No Connection
41	PLL CE	O	PLL Serial Chip Enable Output
42	PLL DATA	O	PLL Serial Data Output
43	PLL CLK	O	PLL Serial CLOCK Output
44	Option	O	Amp/Receiver Option
45	NC	-	No Connection
46	STB	O	Function IC Signal Output
47	CLK	O	Function IC Signal Output
48	DATA	O	Function IC Signal Output
49	NC	-	No Connection
50	Vkk	-	VFLP (-33V)
51~61	FIP GRID	O	FIP GRID Output
62~82	FIP ANODE	O	FIP ANODE Output
83~85	Option	O	Region Option
86	Option	O	Display Option
87	Option	O	RDS ON/OFF Option
88	Option	O	Model Option
89	Standby	O	Standby/ Direct Option Output
90	VOL OP	O	VOL UP
91	VOL DOWN	O	VOL DOWN
92	VOL LED	O	VOL LED Display
93	Power ON/Off	O	Power ON/OFF Output
94	Standby LED	O	Standby LED ON/OFF Output
95~100	NC		No Connection

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SERVICE MANUAL

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