Nov. 1997 © TOSHIBA
8 - 7
4560/4570 FEEDER
8.3
Motor Drive Circuit
8.3.1
Brush motor drive circuit
Tray-up motor (T-UP-MOT)
: Driven by IC9 (upper cassette)/IC3 (lower cassette) (PWA-LGC:
TA8428)
The block diagram of TA8428 is shown below.
IN1 and IN2 are input terminals for the signals from the microcomputer. In the control section, the motor
is controlled ON and OFF based on the signals from the microcomputer. For the control, refer to the table
below.
Input
Output
IN1
IN2
M (+)
M (–)
Description
H
H
L
L
BRAKE
L
H
L
H
CCW (upward)
H
L
H
L
CW (downward)
L
L
OFF (high impedance) STOP
1
2
3
4
5
6
7
IN1
IN2
M(+)
GND
M(–)
N.C.
V
CC
Control logic
Protection for
overheating and
over current
Содержание 4560
Страница 210: ...Nov 1997 TOSHIBA 13 43 4560 4570 ADU 13 8 7 Harness connection diagram ...
Страница 213: ...4560 4570 ADU 13 46 Nov 1997 TOSHIBA 13 8 9 PC board assembly ...
Страница 238: ...Nov 1997 TOSHIBA 14 25 4560 4570 CIRCUIT DIAGRAMS 14 5 Power Supply Circuit PS ACC A 115V ...
Страница 239: ...4560 4570 CIRCUIT DIAGRAMS 14 26 Nov 1997 TOSHIBA B 230V ...
Страница 243: ...Nov 1997 TOSHIBA 16 1 4560 4570 PC BOARD 16 PC BOARD ASSEMBLY 16 1 PWA LGC ...
Страница 244: ...4560 4570 PC BOARD 16 2 Nov 1997 TOSHIBA 16 2 PWA PNL ...
Страница 245: ...Nov 1997 TOSHIBA 16 3 4560 4570 PC BOARD 16 3 PWA KEY1 16 4 PWA KEY2 ...
Страница 246: ...4560 4570 PC BOARD 16 4 Nov 1997 TOSHIBA 16 5 PWA ERS ...
Страница 247: ...Nov 1997 TOSHIBA 16 5 4560 4570 PC BOARD 16 6 PS ACC A 115V ...
Страница 248: ...4560 4570 PC BOARD 16 6 Nov 1997 TOSHIBA B 230V ...
Страница 249: ...Nov 1997 TOSHIBA 16 7 4560 4570 PC BOARD 16 7 PS HVT ...
Страница 341: ...Nov 1997 TOSHIBA 18 83 4560 4570 RADF 18 16 Circuit Diagrams Wire Harness 18 16 1 General circuit diagram ...
Страница 342: ...4560 4570 RADF 18 84 Nov 1997 TOSHIBA 18 16 2 Control PC board circuit PWA F LGC 770 ...
Страница 343: ...Nov 1997 TOSHIBA 18 85 4560 4570 RADF 18 16 3 Harness connection ...