Hitachi 309521J Electrical Schematic, Jumper, Solenoids, Pump A, Pump B, Metering Valve A

Electrical Schematic

Electrical Schematic

Main Circuit Board 245705

1	J6
1		1	15VDC
				R
2		2	COM
				BL
3		3
	Jumper (15V)
1	J5
1		1		Solenoids
2		2
3		3	R	+	Metering Valve A
4		4		-
5		5	BL	+	Metering Valve B
			R
6		6		-
			BL
7		7		+	Pump A
			R
8		8		-
			BL
9		9		+	Pump B
			R
10		10		-
			BL
11		11
			R
12		12
			BL
18	J4	18
17		17
16		16
15		15
14		14		S
13		13		W
12		12
				BL-W
11		11
				R
10		10
				BL-R
9		9
				G
8		8
				BL-G
7		7
6		6		W
5		5		BL-W
4		4		R
3		3		BL-R
2		2		G
1		1		BL-G
1				S

1J2

1	1
2	2	R
3	3
		W
4	4
		BL
5	5
6	6
7	7

1J1

1	1
2	2
3	3
4	4
5	5
6	6

Metering

Valves

Air Motors

3

6Sensor

1

4243678

2

5

3

6Sensor

1243678

4

2

5

Case Gnd Clip

	J1
1	1
2	2
3	3
4	4
5	5
6	6

Key:

BL Black	BL-WBlack with white		S	Shield
BR Brown	G	Green	W	White
BL-GBlack with green	GNDGround
BL-RBlack with red	R	Red

16 309521J