1AF
2-3-5
(2) Toner feed motor drive circuit
CPU
(IC11)
INH1
IN1
IN2
7
2
3
9
6
4
MONI
OUT1
OUT2
VCC
1
VCC
2
S
1
8
CN11-5
CN11-6
TFM
IC14
+24 V
0 V
–24 V
Pin 2
(IN1)
Pin 3
(IN2)
_RESET
74
73
P G
IC14 input voltage waveform
Output voltage waveform
across CN11-5 and CN11-6
Figure 2-3-4
Toner feed motor drive circuit
The toner feed motor drive circuit generates a pseudo-AC supply to run the toner feed motor
(TFM), an AC motor.
Pulse signals output from the CPU (IC11) to pins 2 and 3 of driver IC14 alternate the
polarities of the 24 V DC in the transistor H-bridge circuit incorporated in driver IC14. This
voltage is output across CN11-5 and CN11-6 as a pseudo-AC supply.
Содержание DC-1560
Страница 1: ...DC 1560 2050 KME S M SERVICE MANUAL Published in Oct 99 841AF110 DC 1560 2050 DC 1560 2050...
Страница 3: ...SERVICE MANUAL DC 1560 2050...
Страница 12: ...1 1 5 1AF CONTENTS 1 1 Specifications 1 1 1 Specifications DC 2050 1 1 1 1 1 2 Specifications DC 1560 1 1 3...
Страница 13: ...1 1 7 1AF CONTENTS 1 2 Handling Precautions 1 2 1 Drum 1 2 1 1 2 2 Developer and toner 1 2 1...
Страница 15: ...1 1 11 1AF CONTENTS 2 1 Electrical Parts Layout 2 1 1 Electrical parts layout 2 1 1...
Страница 23: ...1 1 27 1AF CONTENTS 3 5 Self Diagnostics 3 5 1 Self diagnostic function 3 5 1 1 Self diagnostic display 3 5 1...
Страница 27: ...DC 1560 2050 KME S M I Theory and Construction Section THEORY AND CONSTRUCTION SECTION I...
Страница 28: ...1 1 5 1AF CONTENTS 1 1 Specifications 1 1 1 Specifications DC 2050 1 1 1 1 1 2 Specifications DC 1560 1 1 3...
Страница 33: ...1 1 7 1AF CONTENTS 1 2 Handling Precautions 1 2 1 Drum 1 2 1 1 2 2 Developer and toner 1 2 1...
Страница 78: ...DC 1560 2050 KME S M ELECTRICAL SECTION II II Electrical Section...
Страница 79: ...1 1 11 1AF CONTENTS 2 1 Electrical Parts Layout 2 1 1 Electrical parts layout 2 1 1...
Страница 98: ...DC 1560 2050 KME S M III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION...
Страница 114: ...3 1 15 1AF Make test copies 1 Place paper in the paper drawer and make test copies Completion of machine installation...
Страница 169: ...1AF 3 3 13 End Yes No Press the stop clear key Exit simulation mode Adjust for another mode...
Страница 201: ...1AF 3 3 45 End Yes Press the stop clear key Exit simulation mode No Adjust for another mode...
Страница 229: ...1 1 27 1AF CONTENTS 3 5 Self Diagnostics 3 5 1 Self diagnostic function 3 5 1 1 Self diagnostic display 3 5 1...