Main Pwb - Kyocera FS-1016MFP Service Manual

2-3-3

Main PWB

CCD PWB
CCD
image
sensor
Stepping
Scanner
motor
motor
driver IC
Motor driver PWB
Original Stepping
motor
feed
motor driver IC
Operation panel PWB
Power source PWB
Power
24 V
5 V
J11 Vos
AFE
VD [0:7]
J6
CCD control
Motor control
Logic IC
J9
System bus
Operation
J5
panel control
circuit
Power tramsform
Power
J1 24 V
24 V
5 V
3.3 V
1.8 V
Figure 2-3-5Main PWB block diagram
Main PWB
SDRAM
32 MB
ASIC
(CPU)
Flash-ROM
4 MB
Over driver 24 V
Normal 16 V
Lamp inverter
PWM
12 V
12 V
regulator
Lamp heater
12 V
regulator
NVRAM
2 kbytes
Real time
clock
Video I/F
Serial
communication I/F
USB 2.0
J3
PC
Engine/high
voltage PWB
5 V
5 VA
regulator
2G4
Glue
logic
J10
2-3-7