Rotor – Epson 440 User Manual

Page 80

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EPSON Stylus Color 440/640/740

Revision A

Chapter 2

Operating Principles

80

Figure 2-40. Carriage Motor Drive Circuit for Stylus Color 740

M6252(IC15)

-

+

1

2

3

C90A05
(IC1)

111

DA0

Current
Detection

E05B588(IC2)

Rotor

A

/A

B

/B

1

3

2

4

CN7

CRENBA

CRENBB

CRPHAA

CRPHAB

192

201

191

202

CRIA0

CRIA1

CRIA2

CRIA3

CRIB0

CRIB1

CRIB2

CRIB3

IA1

IA2

IA3

IA4

IB1

IB2

IB3

IB4

PHASE1

PHASE2

ENBL1

ENBL2

Vref1

Vref2

LB1847(IC11)

17

2

13

26

16

27

25

24

23

22

18

19

20

21

193

194

195

196

200

199

198

197

OUTA

OUTA-

OUTB

OUTB-

7

6

9

8