5
1 System Description
1.1. Electrical Circuit Explanation
1.1.1. Fax Block Diagram
DP-2000:option
14.32MHz
SOCKET
Paper Feed Unit
DP-2000/2500/3000
Block Diagram
CCD (207)
CONS (19158)
LVDS
CONS (19158)
(uPD3747)
PRINTER I/F
FLASH CARD
CPU
SH7041
DZAC000168
240pin
3V/5V
S-DRAM
2MB
S-DRAM
16MB
Super PYXION
3V/(2.5V)
MN86076
AFE
DZZSP58025
POWER
CONTROL
CIRCUIT
HVPS (451)
FAN
FAN
Xenon Lamp
(204)
KEY
COUNTER
EDO-DRAM
2MB x 1
S C
(1983)
LPC
(19129)
S-CPU
M16C/62
MOTOR
DRIVER
Lamp DRIVER
DRIVER
+5V
+3.3V/+2.5V
+24V
-12V
+5Vp
35.97514MHz
36.74298MHz
F-ROM CARD
CONNECTOR
OPTION
7.16MHz
Reset
IC
5V SYSTEM BUS
IMAGE BUS
MSC
3V SYSTEM BUS
HTC
PCB
(1997)
Thermistor
Fuser Lamp
Thermal Fuse
Thermostat
LVPS (1999)
+24V
+5V
+24V
+5V
-12V
PCNT
+5VP
RLB PCB
(19127)
Thermistor (273)
Thermistor (280)
MOTOR
DRIVER
DRIVER
INV PCB (268)
S-DRAM
8MB x 2
CPU
LSU
(1124)
LP
Sensor Motor
M16C/62
F-ROM
(2MB)PROGRAM
40.4720MHz
Sensor
Solenoid
ADF Motor
MOTOR
DRIVER
DRIVER
ADF (19115)
SNS
Size Sensor 1
Stepping Motor
Size Sensor 1
Sensor
Solenoid
Transport Motor
MOTOR
DRIVER
DRIVER
Sensor
Clutch
MOTOR
DRIVER
DRIVER
CPU
Lift DC Motor
Sensor
Sensor
Clutch
Sensor
Clutch
Printer Motor
ROM
512KB
DZZSP58025
SCN
(19114)
Sensor
MOTOR
DRIVER
CPU
Motor
Option
CONNECTOR
DANCE
DZAC000234 240pin 3V/(2.5V)
LVDS
API
PDL
PWM
IPC
Original Width Sensor
Open Sensor
Angle Sensor
LCU (1995)
LCE (1994)
LANC (1989)
OPTION
CONNECTOR
16MHz
AC
AC SW (447)
LCU (1995)
LCE (1994)
HANDSET
AC INLET (444)
DRIVER
THERMISTOR
HEAT LAMP
Fuser Lamp
F-ROM
(2MB)PROGRAM
SC :System Controller
SCN :Scan Controller
LPC :LP Controller
DANCE :Document Adapter for New Copier Engine
OPTION
CONNECTOR
Sensor
Solenoid
DRIVER
Sensor
Clutch
Sensor
Clutch
DRIVER
Sensor
Clutch
DRIVER
S-DRAM
8MB
CODEC
(PM-22c)
BRIDGE
DZAC000233
S-DRAM
8, 16 or 128MB
SOCKET
C
O
N
N
E
C
T
O
R
(DP-2500/3000)
(DP-3000 Only)
CPU
SH7041
Touch Panel
Controller
RTC
LCD Controller
LCD UNIT
DC-DC
Inverter
Key
Matrix
SRAM 64KB
F-ROM(1MB)
Bz
(DP-2000)
CPU
CHARACTER
LCD UNIT
20 x 2
Key
Matrix
Bz
SPK
IMAGE
MEMORY
F-ROM
(2MB)
MODEM
AD,DA
SGCP
AFE
OPTION
CONNECTOR
MOTOR
DRIVER
Motor
FAN
SORT
AFE :Analog Front End
PWM :Pules Wide Modulation
MSC :Main System Controller
2Way Exit Guide Unit
1-Bin Finisher
i ADF / ADF
BOOK
Paper Transport Unit
Automatic Duplex Unit
550 sheets Paper Feed Unit (1st)
550 sheets Paper Feed Unit (2nd)
550 sheets Paper Feed Unit (3rd)
550 sheets Paper Feed Unit (4th)
PNL1
(19120)
PNL4
(19120)
FXB
(1985)
G3B
I-FAX
SCI
API
SCI
320 x 240 dot
HTC2
PCB
(1998)
Size Sensor 3
LVDSLVDS
(DP-2000/2500)
M16C/80
(DP-3000)
CONS (19158)
LVDS