Epson 440 - Manual (Page 79)

EPSON Stylus Color 440/640/740 Revision A
Chapter 2 Operating Principles 79
Figure 2-39. Carriage Motor Drive Circuit for Stylus Color 640
E05B43
(IC2)
CRA0
CRA1
CRA0
CRB1
CRAPH
CRBPH
MTBV0
MTBV1
MTBV2
MTBV3
MTBV4
75
76
75
60
61
62
63
73
77
74
Rotor
A
/A
B
/B
1
3
2
4
CN5 UDN2917
(IC15)
I10
I11
2
1
I20
23
I21
24
PH1
43
PH2
26
Vref1
Vref2
44
25
Out1A
Out1B
Out2A
Out2B
6
3
18
21
64
+5
65
66
67
70
71
+5
MTAV0
MABV1
MTAV2
MTAV3
MTAV4