JVC KS-LX200R service manual BU4066BCF-XIC322 Switch, Pin No, Symbol, Function

KS-LX200R

3. Pin function

Pin No.	Symbol	I/O	Function	Pin No.	Symbol	I/O	Function
1	IN1.2	I	CH 1 op-amp input (-)	25	DO6.1	O	CH 6 drive outout
2	OUT1	O	CH 1 op-amp output	26	DO5.2	O	CH 5 drive output
3	IN2.1	I	CH 2 op-amp input (+)	27	DO5.1	O	CH 5 drive output
4	IN2.2	I	CH 2 op-amp input (-)	28	SO4.2	O	CH 4 drive output
5	OUT2	O	CH 2 op-amp output	29	DO4.1	O	CH 4 drive output
6	IN3.1	I	CH 3 op-amp input (+)	30	PGND		Power ground
7	IN3.2	I	CH 3 op-amp input (-)	31	PGND	-	Power ground
8	OUT3	O	CH 3 op-amp output	32	DO3.2	O	CH 3 drive output
9	IN4.1	I	CH 4 op-amp input(+)	33	DO3.1	O	CH 3 drive output
10	IN4.2	I	CH 4 op-amp input (-)	34	PGND		Power ground
11	OUT4	O	CH 4 op-amp output	35	DO2.2	O	CH 2 drive output
12	CTL1	I	CH 5 motor speed	36	SO2.1	O	CH 2 drive output
			control
13	FWD1	I	CH 5 forward input	37	SO1.2	O	CH 1 drive output
14	REW1	I	CH 5 reverse input	38	DO1.1	O	CH 1 drive output
15	CTL2	I	CH 6 motor speed	39	PVCC2	-	Power supply voltage
			control				(For CH 1, CH 2, CH 3, CH 4)
16	FED2	I	CH 6 torward input	40	OPOUT	O	Opamp output
17	REW2	I	CH 6 reverse input	41	OPIN(-)	I	Opamp input (-)
18	SGND	-	Signal ground	42	OPIN(+)	I	Opamp input (+)
19	MUTE1	I	CH 1 mute	43	RES50	I	Regulator 5V reset
20	MUTE2	I	CH 2 mute	44	SVCC	-	Signal supply voltage
21	MUTE3	I	CH 3 mute	45	REF	I	Bias voltage input
22	MUTE4	I	CH 4 mute	46	REG050	O	regulator 5V output
23	PVCC1	-	Power supply voltage	47	REG50	O	Regulator output
			(For CH 5, CH 6)
24	DO6.2	O	CH 6 drive output	48	IN1.1	I	CH 1 opamp onput (+)

BU4066BCF-X (IC322) : Switch

1.Pin l ayout						2.Block diagram
14	13	12	11	10	9	8

1 2 3 4 5 6 7

VDD	C1	C4	I/O 4	O/I 4	O/I 3	I/O 3
14	13	12	11	10	9	8

1	2	3	4	5	6	7
I/O 1	O/I 1	O/I 2	I/O 2	C2	C3	VSS

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