Kodak 700 Manual De Usuario
2-6
Theory of Operation
NovaJet 500/630/700 Series Service Manual
Main Printed Wiring Assembly (MPWA)
CONTROL
PANEL
SERIAL
EEPROM
MICRO-
PROCESSOR
(CPU)
CRYSTAL
X1
STEPPER MOTOR
CONTROLLER
FLASH
EEPROM
DYNAMIC
RAM
(SIMM)
GATE
ARRAY
SERVO MOTOR
CONTROLLER
CARRIAGE
PWA
PARALLEL
DATA BUS
SERIAL
MEMORY CIRCUITS
INTERFACE CIRCUITS
Figure 2-5. Main Printed Wiring Assembly.
The Main Printed Wiring Assembly (MPWA) consists of six functional
areas:
1.
Microprocessor (CPU)
2.
Gate Array
3.
Memory Circuits
4.
Stepper Motor Controller
5.
Servo Motor Controller
6.
Interface Circuits: Serial & Parallel