E17
40838301TH Rev.1
A3 - 22
A3.1.14 E17 Circuit Diagram
1.
Block diagram
The circuit diagram shown on page 15/16 consists of the following functions and connectors:
•
RAM2 to RAM5
Figure A3.1.20 shows the block diagram of DRAM.
2.
Function
1)
DRAM
1 M x 16 bit DRAM x 2 (RAM2 and RAM3)
•
Used as follows:
Picture memory for the ECM send/receive modes.
Picture memory for the memory transmission mode.
Picture memory for the retransmission mode.
Picture memory for the reception in memory.
Editing for report printing.
Figure A3.1.20 Block Diagram of DRAM
RAM4/RAM5
NOMOUNT
DRAM
1M x 8bit
x 2
DRAM
1M x 16bit
x 2
A1 - A10
RAS1-N
WRL-N
CASH-N
CASL-N
AD0 - AD15
AD0 - AD15
AD0 -
AD15
A1 - A10
A1 - A10
RAM2/RAM3
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...