PWU
40838301TH Rev.1
A3 - 25
A3.3
Power Supply Unit
A3.3.1
1VP (for 120 V)/2VP (for 230 V) Circuit Diagram (1/2)
IMPORTANT:
Oki Data Corporation recommends that maintenance of the Power supply unit (1VP/2VP board) 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:
1VP/2VP 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.
Output Voltage
Output Voltage
+5 V
Logic circuit supply voltage (IC, LSI), and high-voltage source voltage, etc.
+8 V
CIS (contact image sensor)
-8 V
CIS (contact image sensor)
+30 V
Send motor, drum motor, resist motor, fan drive, flash memory, CIS, and second
tray voltage
2.
Input ratings
•
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%
Summary of Contents for OKIFAX 5400
Page 7: ...40838301TH Rev 1 CHAPTER 1 GENERAL INFORMATION...
Page 46: ...40838301TH Rev 1 CHAPTER 2 INSTALLATION PROCEDURE...
Page 130: ...40838301TH Rev 1 CHAPTER 3 BRIEF TECHNICAL DESCRIPTION...
Page 138: ...40838301TH Rev 1 CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY...
Page 157: ...40838301TH Rev 1 CHAPTER 5 ADJUSTMENTS...
Page 162: ...40838301TH Rev 1 CHAPTER 6 CLEANING AND MAINTENANCE...
Page 189: ...40838301TH Rev 1 CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5400...
Page 240: ...40838301TH Rev 1 CHAPTER 8 DIPSWITCHS SETTING TABLES...
Page 380: ...40838301TH Rev 1 D 2 SECTION 1 CABINET ASSEMBLY 5...
Page 382: ...40838301TH Rev 1 D 4 SECTION 2 CONTROL PANEL ASSEMBLY...
Page 384: ...40838301TH Rev 1 D 6 SECTION 3 PRINTER ASSEMBLY 51...
Page 387: ...40838301TH Rev 1 D 9 SECTION 4 BASE ASSEMBLY 30 37 36 39 40 5...
Page 390: ...40838301TH Rev 1 D 12 SECTION 5 SCAN UNIT...
Page 392: ...40838301TH Rev 1 D 14 SECTION 6 PAPER GUIDE U ASSEMBLY...
Page 394: ...40838301TH Rev 1 D 16 SECTION 7 CABLES 10 11 19 12 20 21...
Page 396: ...40838301TH Rev 1 D 18 SECTION 8 OPTION TELEPHONE US...
Page 399: ...40838301TH Rev 1 D 21 SECTION 8 OPTION TELEPHONE UK ITA NOR DEN BEL...
Page 402: ...40838301TH Rev 1 D 24 SECTION 8 OPTION TELEPHONE HOL GER FRA SWITZ AUT INT L...