Brother International HL 760 Service Manual - Page 22
Paper, Motor, Drive, Circuit, motor, driver, array, excitation, method, phase, bipolar, drive.
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1.3.11 Paper Feed Motor Drive Circuit The motor driver is a TR array, The excitation method is 2-2 phase excitation with an bipolar drive. +5V 0V R30 183 R19 472 PMA PMAB PMB PMBB OVO +5V° C28 332 +5VO C29J_ 104T vivo +24 VRET° #1 MTD2003 IN1 23 IN2 22 I N3 I N4 0UT1 9 0UT2 11 15 OUTS 0UT4 19 4 24 I0 VmmA 8 20 2 I1 Vref VmmB 3 27 C/R VsA RsA 10 2 VCC VCC VsB 26 RsB 18 3 LG PG 12 NC NC 14 NC NC NC 16 17 25 R29 (103) R21 0 62 11AI R22 O +24VRET O+24V + C30 35V220U +24VRET Fig. 2.13 II - 13
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1.3.11
Paper
Feed
Motor
Drive
Circuit
The
motor
driver
is
a
TR
array,
The
excitation
method
is
2-2
phase
excitation
with
an
bipolar
drive.
#1
MTD2003
PMA
IN1
0UT1
9
PMAB
11
+5V
IN2
0UT2
PMB
23
15
R19
I
N3
OUTS
R29
PMBB
22
19
472
I
N4
0UT4
(103)
O+24V
<>R30
3
0V
4
I0
VmmA
8
+
C30
24
20
<
>
18
I1
Vref
VmmB
<
>
35V220U
OVO
2
3
R21
0
62
+5V°
27
C/R
VsA
11AI
+24VRET
10
RsA
26
R22
C28
332
VCC
+5VO
2
C29
J_
VCC
VsB
18
104T
LG
RsB
12
vivo
3
PG
NC
O
+24
VRET°
14
NC
+24VRET
16
NC
17
NC
25
NC
Fig.
2.13
II
-
13