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NovaJet 500/630/700 Series Service Manual
Main Printed Wiring Assembly (MPWA)
CRYSTAL |
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X1 | STEPPER MOTOR | CARRIAGE |
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| CONTROLLER | PWA |
| FLASH |
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| EEPROM |
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CONTROL |
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| MICRO- |
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PANEL |
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| PROCESSOR |
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| DATA BUS |
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| (CPU) |
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| DYNAMIC |
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| GATE |
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| SERVO MOTOR | ||||
| SERIAL | |||||||||||||
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| RAM |
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| ARRAY |
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| EEPROM |
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| MEMORY CIRCUITS |
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SERIAL
INTERFACE CIRCUITS
PARALLEL
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
Theory of Operation |