JVC KS-LX200R service manual KA3031 IC831 Motor driver, Pin layout, Block diagram, 1-20

KS-LX200R

KA3031 (IC831) : Motor driver

1. Pin layout

48	~	37
1		36
~		~
12		25
13	~	24

2. Block diagram

	IN1.1	REG50	REG050	REF	SVCC	RES50			OPIN(+) OPIN(-) OPOUT PVCC2				DO1.1	DO1.2
	48	47	46	45	44		43		42	41	40	39	38	37
							SW				-
IN1.2	1										+			36	DO2.1
OUT1	2				+	-	ALL MUTE			T.S.D				35	DO2.2
										O.V.P
			2.5V
IN2.1	3							+		-				34	PGND3
				+			-			+		2P
				-
							+			-
IN2.2	4							-		+				33	DO3.1
												2P
								+		-
OUT2	5			+			-			+		2P		32	DO3.2
				-
							+	-		-
										+		2P
IN3.1	6							+		-				31	PGND2
				+			-			+		2P
				-						-
							+	-
										+		2P
										-
IN3.2	7			+			-	+		+		2P		30	PGND1
				-						-
							+
								-
										+		2P
OUT3	8									+	D			29	DO4.1
							S	M				2P
							W	S
IN4.1	9							C		-	D	2P		28	DO4.2
IN4.2	10						S	M		+	D	2P		27	DO5.1
							W	S
								C		-	D	2P		26	DO5.2
OUT4	11
							MUTE4
							MUTE3							25	DO6.1
CTL1	12						MUTE2
							MUTE1
	13	14	15	16	17		18		19	20	21	22	23	24
	FWD1	REV1	CTL	FWD2	REV2		SGND		MUTE1 MUTE2 MUTE3 MUTE4				PVCC1	DO6.2

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