Epson TM-U675 - Autocutter Drive Circuit

Rev.D Product Overview Appendix D-65
TM-U675/U675P (with autocutter) Service Manual
Confidential
Autocutter Drive Circuit
The autocutter is composed of a DC motor. The autocutter is driven by a dedicated DC motor
driver (made by Toshiba TA8428K). The autocutter outputs signals from the GA (U30) and is
controlled by AC_M1 and AC_M2.
Figure D-62 Autocutter Drive Circuit
Table D-14 AC_M1, AC_M2 and Operation
AC_M1 AC_M2 Operation
LL OFF
HL Forward
LHReverse
HH Brake
VCC
24VB
AC_RESET
AC_M2
AC_M1
D2
D3
R34
R35 R32
R33
R27
CN23
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN7
1
2
3
4
C15
Q5
IN1
IN2
OUTA
OUTA
VM
GND
C9