Sharp FO-DC600, Service Manual, Page: 58 / 150

FO-DC600U
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
&
Large LCD Module
Entry Data Memory
: 4.7" QVGA (B/W)
NOR Flash 4MB
16
New ASIC-1
Panel PWB
Working Memory
("COSMOS")
:
Tact SW
SDRAM
16
• MMR CODEC<1ch>
16MB
• JBIG CODEC <2ch> • SDRAM Controller
Backup Memory
8
• Image Processor
16
Page Memory
Scanner
SRAM 32KB
: up to 400dpi/B4
SDRAM 8MB
10.1"/30ppm
Option (FO-8MK)
based on LC821033
B4 CIS
Memory PWB
Image Memory
8
• Run length Converter
:
203dpi(8pixel/mm)
Image Memory
NAND Flash 16MB
• 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 on board)
: 406 x 391dpi(Copy/Fax) : 600 x 600dpi (NT-Print)
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
16
LCD Controller SED1374F0A
Network Printer Kit
(PCL Board)
Option (FO-NP1)
SCI & Video PREQ/PACK DPO Bus
16 16
DPO Bus
LAN Network Interface Kit
(LAN Card)
Option (FO-LN1)
LIU PWB
MODEM(Line2)
8
Line-2
FM336Plus
Option (FO-60DL)
Dual Line Kit
Dual Line
Control PWB
• FO-NP1 (Network Printer Kit) and FO-60DL
(Dual Line Kit) can not be mounted simultaneously
.
• FO-LN1 (LAN Network Interface Kit) and FO-60DL
(Dual Line Kit) can be mounted simultaneously
. However
, multi-operation of 2-line communication and network scan is not possible.