Engine Pwb - Kyocera TASKalfa 620 Service Manual

2-3-4

Engine PWB

Optional
document
finisher/side
feeder
Switches
Sensor
DKPWB
Motors
Solenoid
Switches
Sensor
CSPWB
Motors
Switches
DUPPWB
Motors
Solenoids
FH-M
Switches
FH-S
Sensors
FH-L
DC
AC
PSPWB
PSPWB
Motors
Solenoids
fan motors
Fan
FMDPWB
motors
Serial
communication
REM
SIG
CPU
REM
(U101)
SIG
REM
SIG
SIG
REM
ZERO CROSS
5 V DC
24 V DC
REM
REM
REM
Figure 2-3-7 Engine PWB block diagram
EPWB
OUTPEN, PVSYNC
EG SCLK, EG SDO, EG SBSY, EG SDIR, EG IRN,
EG SDI
Address bus
Data/Address multiplex bus
Address
Address
bus
latch
(U303, U304)
CLK
EEPROM
DIO
(U308)
XIO
DATA, CLK, LOAD
(U201)
24V, PLGREM, PLGCLK
2KN/2KP
CLK
DEVC
DATA
CLC
Flash
ROM
(U305)
MPWB
SRAM
(U306)
SRAM
(U307)
APCPWB
D/A
HVPWB
con-
THVPWB
verter
(U1905)
SIG
Switches
Sensors
Motors
REM
Solenoids
Fan motors
PM
PLGRDY
2-3-19