JVC KS-LX200R service manual UPD784215AGC113 IC701 UNIT CPU

KS-LX200R

UPD784215AGC113 (IC701) : UNIT CPU

1.Pin layout

75 ~ 51

7650

~ ~

10026

1 ~ 25

2.Pin function

Pin No.	Symbol	I/O	Function
1	FF/REW	O	Output for input signal level switching for MS.
2	DOLBY	O	Dolby on "H" output.
3	MS-OUT	O	MS output.
4	F/R	I	Fwd, REV direction switch signal input.
5	HOLD	-	Non connect
6	TRAYCNT	O	Tray light control signal output.
7	DIMMER-OUT	O	Dimmer signal output.
8	LCD-POWER	-	Non connect.
9	VDD	-	Power supply terminal.
10	X2	O	Connecting the crystal oscillator for system main clock.
11	X1	I	Connecting the crystal oscillator for system main clock.
12	VSS	-	Connect to GND.
13	XT2	O	Connecting the crystal oscillator for system sub clock.
14	XT1	I	Connecting the crystal oscillator for system sub clock.
15	RESET	I	System reset signal input.
16	SW1	I	Cassette mechanism detect switch.
17	BUS-IN	I	J-BUS signal cut in input.
18	PS2	I	Power save 2.
19	CURUISE	I	CRUISE signal input.
20	RDS-SCK	I	RDS selial clock input.
21	RDS-DA	I	RDS data input.
22	REMOCON	I	Remove control signal input.
23	AVDD	-	Power supply terminal.
24	AVREF0	-	Connect to GND.
25	NC	-	Connect to GND.
26	NC	-	Connect to GND.
27	KEY0	I	Key control 0 input.
28	KEY1	I	Key control 1 input.
29	KEY2	I	Key control 2 input.
30	LEVEL	I	Level meter signal input.
31	SQ	I	S.quality level input.
32	S.METER	I	S.meter level input.
33	AVSS	-	Connect to GND.
34	W-VOL	O	Woofer volume signal output.
35	DOT CONT	O	Dot contrast signal input.
36	AVREF	-	Power supply terminal.
37	BUS-SI	I/O	J-BUS data I/O terminal.
38	BUS-SO	O	J-BUS data output.
39	BUS-SCK	I/O	J-BUS serial clock signal I/O.
40	STAGE2	I	Initial setting.
41	LCD-DA	O	Data output for LCD driver.
42	LCD-CL	O	Clock otput for LCD driver.
43	LCD-LEI	O	Chip enable 1 output for LCD driver.
44	BUZZER	O	BUZZER control signal output.
45	E2PR-DA-I	I	Data input terminal from EEPROM.
46	E2PR-DA-O	O	Data output terminal from EEPROM.
47	E2PR-CLK	I/O	Data input terminal from EEPROM.
48	BUS-I/O	I/O	J-BUS I/O signal terminal.
49	TM0	O	Tray motor negative signal output.
50	TM1	O	Tray motor positive signal output.

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