FO-4400U
FO-CS1
4 – 1
CHAPTER 4. DIAGRAMS
[1] Block diagram
Lithium Battery
+5V/+24V
Power supply Unit
SH7706(SH-3)
SCIF
RS-232C
Driver
external 33MHz
Only for Firmware Download from PC
Program Memory
16
(No Production)
Operation Panel Unit
&
LCD Module
Entry Data Memory
:
20 x 2Line
NOR Flash 4MB
16
New ASIC-1
P
anel PWB
Working Memory
("COSMOS")
:
Tact SW
SDRAM
16
• MMR CODEC<1ch>
8MB
• JBIG CODEC <2ch>
• SDRAM Controller
Backup Memory
8
• Image Processor
16
Page Memory
Scanner
SRAM 32KB
: up to 400dpi/B4
SDRAM 8MB
8.3"/30ppm
Option (FO-8MK)
based on LC821033
A4 CIS
Memory PWB
Image Memory
8
• Run length Converter
:
203dpi(8pixel/mm)
Image Memory
NAND Flash 8MB
• Panel Controller
NAND Flash
8
• Motor Controller
Scan Mechanism
8MB
• CPU I/F, Mapper
(Stepping Motor)
• GPIO port
se
ri
al
RTC(Backup)
• Print Data Processor
SM8578BV
LIU PWB
MODEM(Line1)
8
• ECC Code Generator
HSYNC,TOD etc
Printer PWB
MINOLTA NC-L601/16ppm
Line-1
FM336Plus
(PCU Output)
(MINOLTA CPU
: 406 x 391dpi
on
New ASIC-2
("SPIDER")
16
• RTC I/F
SCI & PCU-input
• SCI ch0(for PCU)
• SCI ch1(for PCL)
• Video I/F Switch
• GPIO
• DPO Bus Switch
(Arbitrator)
•
Buzzer Clock Generator
Main CPU
133MHz
SANYO IP CORE
USER LOGIC
PC
Control PWB
board)
Содержание FO 4400 - B/W Laser - All-in-One
Страница 125: ...FO 4400U FO CS1 Control PWB parts layout Top side 6 16 ...
Страница 126: ...FO 4400U FO CS1 Control PWB parts layout Bottom side 6 17 ...
Страница 128: ...FO 4400U FO CS1 LIU PWB parts layout Top side 6 19 ...
Страница 129: ...FO 4400U FO CS1 LIU PWB parts layout Bottom side 6 20 ...
Страница 132: ...FO 4400U FO CS1 Printer PWB parts layout Top side 6 23 ...
Страница 133: ...FO 4400U FO CS1 Printer PWB parts layout Bottom side 6 24 ...
Страница 135: ...FO 4400U FO CS1 Power Supply PWB parts layout 6 26 The Power supply PWB of this model employs lead free solder ...
Страница 143: ...FO 4400U FO CS1 M E M O 6 34 ...