FO-DC635U
4 – 1
FO-DC635U
Service Manual
CHAPTER 4.
DIAGRAMS
[1] Block diagram
Lithium
Battery
+5V/+24V
Power
supply
U
nit
SH7706(SH-3)
SCIF
RS-232C
Driver
external
33MHz
Only
for
F
irmware
D
ownload
from
PC
Program
M
emory
16
(No
Production)
Operation
Panel
Unit
&
Large
LCD
M
odule
Entry
Data
Memory
:
4.7"
QVGA
(B/W)
NOR
F
lash
4MB
16
New
A
SIC-1
Panel
PWB
Working
Memory
("COSMOS")
:
Tact
SW
SDRAM
16
•
MMR
CODEC<1ch>
16MB
•
JBIG
C
ODEC
<2ch>
•
SDRAM
C
ontroller
Backup
Memory
8
•
Image
Processor
16
Page
Memory
Scanner
SRAM
32KB
:
u
p
to
4
00dpi/B4
SDRAM
8MB
10.1"/30ppm
Option
(FO-8MK)
based
o
n
L
C821033
B4
CIS
Memory
PWB
Image
Memory
8
•
Run
length
Converter
:
203dpi(8pixel/mm)
Image
Memory
NAND
Flash
1
6MB
•
Panel
C
ontroller
NAND
Flash
8
•
Motor
Controller
Scan
Mechanism
8MB
•
CPU
I/F,
Mapper
(Stepping
Motor)
•
GPIO
port
se
ri
al
RTC(Backup)
•
Data
Processor
SM8578BV
LIU
P
WB
MODEM(Line1)
8
•
ECC
C
ode
Generator
HSYNC,TOD
etc
Printer
PWB
MINOLTA
N
C-L601/16ppm
Line-1
FM336Plus
(PCU
Output)
(MINOLTA
CPU
o
n
board)
:
406
x
3
91dpi(Copy/Fax)
:
600
x
6
00dpi
(NT-Print)
New
ASIC-2
("SPIDER")
16
•
RTC
I/F
SCI
&
PCU-input
•
SCI
ch0(for
PCU)
•
SCI
ch1(for
PCL)
•
Video
I/F
S
witch
•
GPIO
•
DPO
Bus
Switch
(Arbitrator)
•
Buzzer
C
lock
Generator
Main
C
PU
133MHz
SANYOI
PC
ORE
USERLOGIC
PC
Control
PWB
16
LCD
C
ontroller
SED1374F0A
Network
Printer
Kit
(PCL
Board)
Option
(FO-NP1)
SCI
&
Video
PREQ/PACK
DPO
B
us
16
16
DPO
B
us
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
Содержание FO-DC635U
Страница 3: ... ii MEMO FO DC635U ...
Страница 87: ...FO DC635U 5 21 MEMO ...
Страница 103: ...FO DC635U 6 16 16 Control PWB parts layout Top side F1 F2 F5 The CONTROL PWB of the model employs lead free solder ...
Страница 106: ...FO DC635U 6 19 2 LIU PWB parts layout Top side The LIU PWB of the model employs lead free solder ...
Страница 107: ...FO DC635U 6 20 3 LIU PWB parts layout Bottom side The LIU PWB of the model employs lead free solder ...
Страница 110: ...FO DC635U 6 23 3 Printer PWB parts layout Top side ...
Страница 111: ...FO DC635U 6 24 4 Printer PWB parts layout Bottom side ...
Страница 124: ...FO DC635U 8 2 MEMO ...
Страница 165: ...FO DC635U 41 ...