Operation Manual

Part 4: Technical Reference
BJC-7100
4-44
CARRIAGE
MOTOR DRIVER
IC13
1
3
5
7
9
11
13
15
17
19
21
23
25
27
2
4
6
8
10
12
14
16
18
20
22
24
26
VsA
ALARM
PhaseA
LGA
N.C.
RsA
PG
N.C.
RsB
N.C.
LGB
PhaseB
Vcc
VsB
VrefA
CR
ENAA
VmmA
Out1
Out2
Out3
N.C.
Out4
VmmB
ENAB
Decay
VrefB
MTD2005B
CARRIAGE MOTOR
VCC
R19
10K,
1/16W
R18
10K,1/16W
C61
4700p,50V
R13
1,1/4W
R24
1,1/4W
R23
1,1/4W
FU1
ICP-N38
VM
R26
3.3K,1/10W
R27 30K,
0.5%,1/10W
R251
3.3K,1/10W
R17 2.7K,
0.5%,1/10W
C69
0.01µ,50V
C68
0.01µ,50V
PAPER FEED
MOTOR DRIVER
IC14
1
2
3
4
CNLF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
VmmA
N.C.
Out1
N.C.
RsA
N.C.
Out2
Out3
N.C.
RsB
N.C.
Out4
N.C.
VmmB
LGB
GND
GND
LGA
ENAA
PHAA
CR
ALARM
VrefA
VsA
VsB
VrefB
Vcc
Decay
PHAB
ENAB
LFA
LFB
LFB
LFA
MTD2005FB
FU2
ICP-N25
R38
1,1/4W
R37
1,1/4W
R40
1,1/4W
R39
1,1/4W
R45
10K,1/16W
PAPER FEED MOTOR
Approx.
6.0Ω/
phase
VCC
50V 1A
R33
10K,1/16W
VCC
R28
3.3K,1/10W
R29 30K,
0.5%,1/10W
R253
3.3K,
1/10W
R15 2.7K,
0.5%,1/10W
C71
0.01µ,50V
C70
0.01µ,
50V
VCC
R14
1,1/4W
R21
1,1/4W
R20
1,1/4W
VM
VCC
5
6
7
8
13
14
15
16
147
TA15
TA14
TA13
TA12
TA03
TA02
TA01
TA00
P137
MPU
IC1
M31002S2HP
PRINTER
CONTROLLER
IC2
M66361-0006FP
1
2
3
4
CNCR
CRA
CRB
CRB
CRA
Approx.
8.3Ω/
phase
VCC
R32
10K,1/16W
R46
10K,
1/16W
C72
4700p,50V
R43
10K,
1/16W
R242
3.3K,
1/10W
R241
16K,
0.5%,
1/10W
R252
3.3K,
1/10W
R238
1.5K,
0.5%,
1/10W
C74
0.01µ,
50V
C75
0.01µ,
50V
R44
10K,1/16W
VCC
IP0
IP1
PWMB
PWMA
5
6
7
8
13
14
15
16
147
LFPA
LFPB
LFIA0
LFIA1
CRPA
CRPB
CRAENA
CRBENA
LFPWMA
19
20
111
112
IP0
IP1
CRPWMB
CRPWMA
Figure 4-32 Motor Drive Circuit