
PWU
40672201TH Rev. 4
A3 - 22
A3.3
Power Supply Unit
A3.3.1
MPW1446 (230V)/MPW1546 (120V) Circuit Diagram
IMPORTANT:
Oki Data Corporation recommends that maintenance of the Power supply unit (MPW1446
(230V)/MPW1546 (120V)) be performed by replacement of a unit, not by replacement of
components.
Therefore,
1)
circuit descriptions in this section are for reference.
2)
orders for components of the power supply unit cannot always be accepted.
Functions of unit:
The circuit generates the following direct currents (DC) based on the alternating current,
AC 120 V
+6%, -15%
AC 230 V
+15%, -14%
1.
Low-voltage power supply circuit
This circuit generates the following voltages.
2.
Input ratings
Output Voltage
Output Voltage
+5 V
Logic circuit supply voltage (IC, LSI), and high-voltage source voltage
-8 V/+24 V
CIS (contact image sensor)
+26 V
Send motor, drum motor and clutch
•
Voltage
: AC 120 V
+6%, -15% (AC 102 V to 127 V)
AC 230 V
+15%, -14% (AC 198 V to 264 V)
•
Frequency : 50 Hz/60 Hz +/-2%
Содержание OKIOFFICE84
Страница 7: ...40672201TH Rev 4 CHAPTER 1 GENERAL INFORMATION...
Страница 44: ...40672201TH Rev 4 CHAPTER 2 INSTALLATION PROCEDURE...
Страница 120: ...40672201TH Rev 4 CHAPTER 3 BRIEF TECHNICAL DESCRIPTION...
Страница 128: ...40672201TH Rev 4 CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY...
Страница 133: ...4 5 40672201TH Rev 4 Appearance of the OKIOFFICE84 OKIFAX 4500 FX051 CP4 Fig 01...
Страница 155: ...40672201TH Rev 4 CHAPTER 5 ADJUSTMENTS...
Страница 159: ...40672201TH Rev 4 CHAPTER 6 CLEANING AND MAINTENANCE...
Страница 187: ...40672201TH Rev 4 CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIOFFICE84 OKIFAX 4500...
Страница 232: ...40672201TH Rev 4 CHAPTER 8 DIPSWITCHS SETTING TABLES...
Страница 254: ...40672201TH Rev 4 Appendix A PC Board Descriptions and Operation Second Edition December 1998 Oki Data Corporation...
Страница 255: ...40672201TH Rev 4...
Страница 313: ...40672201TH Rev 4...
Страница 334: ...C 3 40672201TH Rev 4...
Страница 335: ...40672201TH Rev 4 C 4...
Страница 336: ...C 5 40672201TH Rev 4...
Страница 337: ...40672201TH Rev 4 C 6 Reading...
Страница 338: ...C 7 40672201TH Rev 4...
Страница 339: ...40672201TH Rev 4 C 8...
Страница 340: ...C 9 40672201TH Rev 4...
Страница 341: ...40672201TH Rev 4 C 10...
Страница 342: ...C 11 40672201TH Rev 4...
Страница 343: ...40672201TH Rev 4 C 12...
Страница 344: ...C 13 40672201TH Rev 4...
Страница 345: ...40672201TH Rev 4 C 14...
Страница 353: ...40672201TH Rev 4 C 22...
Страница 354: ...C 23 40672201TH Rev 4...
Страница 357: ...40672201TH Rev 4 C 26 Low Voltage Low Voltage High Voltage High Voltage...
Страница 358: ...C 27 40672201TH Rev 4...
Страница 361: ...40672201TH Rev 4 C 30 Low Voltage secondary High Voltage primary...
Страница 365: ...40672201TH Rev 4 C 34 Low Voltage secondary High Voltage primary...
Страница 370: ...C 39 40672201TH Rev 4 High Voltage primary Low Voltage secondary...
Страница 383: ...40672201TH Rev 4 C 52...
Страница 387: ...40672201TH Rev 4 C 56...
Страница 390: ...40672201TH Rev 4...
Страница 393: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 2 SECTION 1 CABINET ASSEMBLY FAX NIP FX051...
Страница 396: ...OKIOFFICE84 OKIFAX 4500 D 5 40672201TH Rev 4 SECTION 2 UNIT PRINTER...
Страница 398: ...OKIOFFICE84 OKIFAX 4500 D 7 40672201TH Rev 4 SECTION 3 UNIT 051 OPE PANEL...
Страница 400: ...OKIOFFICE84 OKIFAX 4500 D 9 40672201TH Rev 4 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Страница 402: ...OKIOFFICE84 OKIFAX 4500 D 11 40672201TH Rev 4 SECTION 5 FRAME ASSEMBLY SCANNER L...
Страница 404: ...OKIOFFICE84 OKIFAX 4500 D 13 40672201TH Rev 4 SECTION 6 PLATE ASSEMBLY SCANNER B...
Страница 406: ...OKIOFFICE84 OKIFAX 4500 D 15 40672201TH Rev 4 SECTION 7 PLATE ASSEMBLY SCANNER R...
Страница 408: ...OKIOFFICE84 OKIFAX 4500 D 17 40672201TH Rev 4 SECTION 8 FRAME ASSEMBLY SCANNER U...
Страница 410: ...OKIOFFICE84 OKIFAX 4500 D 19 40672201TH Rev 4 SECTION 9 COVER ASSEMBLY TOP...
Страница 412: ...OKIOFFICE84 OKIFAX 4500 D 21 40672201TH Rev 4 SECTION 10 PLATE ASSEMBLY BASE...
Страница 414: ...OKIOFFICE84 OKIFAX 4500 D 23 40672201TH Rev 4 SECTION 11 PRINTER BASE FRAME UNIT Heat assy...
Страница 417: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 26 SECTION 12 PRINTER HEAT ASSY...
Страница 419: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 28 SECTION 13 CABLES...
Страница 421: ...40672201TH Rev 4 Appendix E Boards Layout OKIOFFICE84 OKIFAX 4500 Second Edition December 1998 Oki Data Corporation...
Страница 422: ...40672201TH Rev 4...
Страница 424: ...E 1 40672201TH Rev 4...
Страница 425: ...40672201TH Rev 4 E 2...
Страница 426: ...E 3 40672201TH Rev 4...
Страница 427: ...40672201TH Rev 4 E 4...
Страница 428: ...E 5 40672201TH Rev 4...
Страница 429: ...40672201TH Rev 4 E 6...
Страница 430: ...E 7 40672201TH Rev 4...
Страница 431: ...40672201TH Rev 4 E 8...
Страница 432: ...E 9 40672201TH Rev 4...
Страница 433: ...40672201TH Rev 4 E 10...
Страница 434: ...E 11 40672201TH Rev 4...
Страница 435: ...40672201TH Rev 4 Appendix F PC Loading Second Edition December 1998 Oki Data Corporation...
Страница 436: ...40672201TH Rev 4 FX 051 SYSTEM SPECIFICATION PC LOADING PART Ver 00 11 Oki Data Confidential...
Страница 448: ...40672201TH Rev 4 Appendix G RMCS SYSTEM MANUAL For Model 30 Second Edition December 1998 Oki Data Corporation...
Страница 473: ...40672201TH Rev 4 H 18 Figure 2 1 IC16 Pin 77 IC16 Pin 78 IC16 Pin 79 IC16 Pin 80...
Страница 481: ...40672201TH Rev 4 Appendix I FAX2NET FUNCTION First Edition October 1999 Oki Data Corporation...