Panasonic Panafax UF-580, Technical Manual

Page: 4 / 170

4
DX-600/800
DEC 2003
Ver 2.00
UF-580/590/780/790
1 System Description
1.1. Electrical Circuit Explanation
1.1.1. Fax Block Diagram (UF-580/590/780/790)
Modem G3 Signal Contr
o
l
DTMF Dialing D
AA I/F
MJR PCB
UA
R
T
Pic
k up
Solenoid
Pic
k up
Solenoid
No P
aper
Sensor
B-point Sensor A-point Sensor
Speak
er
TEL LINE
Co
v
e
r
Sensor
50MHz
CCD
(TCD1208A
CY)
W
o
rk
Memor
y
P
age Memor
y
SDRAM
8MB
Scanner
Motor
K
e
y Matr
ix
and
LED
MN86075
15.975
MHz
Motor
Dr
iv
er
3.9656
×
2MHz
Main
Motor
Motor
Dr
iv
er
Parallel I/F
ASIC
(DZA
C000273)
for 16pels/mm
Pr
inting
for 600dpi
Pr
inting
5MHz
ILS PCB
High V
oltage
P
o
w
er Supply
Prog
ra
m
FR
OM
2MB
Image
FR
OM
2MB
24.576MHz
MN195006
Si3021
Si3015
Handset
(option)
SC PCB
IEEE 1284
T
ransceiv
e
r
CPU
(V850/MA1)
LCD Unit
Heater
Control
+5VP
+5V
+24V
-12V
+3.3V
T
oner
Sensor
Line Memor
y
SRAM
32KB
SDoor
Sensor
P
aper
Exit
Sensor
Timing
Sensor
Cassette
Detect Sensor
No P
aper
Sensor
Casette
Detect Sensor
SNS2 PCB
CST2 PCB
SNS2 PCB
Fuser LAMP
Ther
mostat
Thermal Fuse
Ther
mistor
SNS4 PCB
SNS1 PCB
AC
SNS3 PCB
AC
I
PCB
LED ARRA
Y
LSU UNIT
OPTION
FR
OM CARD
(Image)
2/4/8MB
3V
Ò3V
Stamp
CPU
C D T
Lo
w V
oltage
P
o
w
er Supply
PNL1PCB
15.975
MHz
for Scanner
8.9813
MHz
UF-580/590/780/790 Block Diagram
F
acsimile Real Ima
g
e
Pr
ocessor
A/D Con
ver
ter
, White Shading
64 Le
vels Err
or Diffusion
Binar
y Coding,
Scaning Data Reduction
System Handling and Ima
g
e
Na
vigation Engine
Ad
dress Decoder
, SDRAM Contr
o
l,
DMA Contr
o
l
W
a
tc
h-dog
Timer (Reset Contr
o
l),
IEEE 1284 Contr
o
l
CIS Contr
o
l,
Blac
k Shading,
Motor Contr
o
l
Print Quality Contr
o
l,
Print Data Reduction
Print Engine Contr
o
l (LSU & Heater)
16-Mbit Flash R
O
M
Fiemware Pr
ogram Code
Bac
k_up Data (TEL#,
P
a
rameter
, etc..)
32-bit RISC CPU (V850/MA1)
PNL CPU
I/F
Ima
g
e Code/De-code (BC/BE)
SDRAM Contr
o
l
I/O P
o
rt
8-bit CISC CPU (uPD780022A)
LCD Unit Contr
o
l
K
e
y
Matrix Monitor
LED Contr
o
l,
R
T
C
D
AA (Digital Access Arrang
ement)
Line
V
o
lta
g
e
/Loop Current Monitor
A
C
/DC
T
e
rmination,
Ring
er Impedance
Ring Detect,
Pulse Dialing
Integrated Analog Fr
ont End (AFE)
IC1
IC10
IC4
IC1
IC20
IC122
IC124
IC123
IC31 IC30
IC9
IC7
IC3
IC28
IC36,
37
IC38 IC40
Q14 Q16
Q38 Q39
Q33 Q36
Q32 Q35
Q40
Q41