Printer Block Diagram - Atari 1027 Service Manual

BUFFER
DATA IN
BUFFER
DATA OUT
BUFFER
COMMAND
BUFFER
5V/READY
Figure 1-1. 1027 Printer Block Diagram
Atari 1027 Printer
Field Service Manual
Transistor
Array
MPU
Character Select
8049
Solenoid Driver
Hammer Select
Solenoid Driver
DC Motor Driver
Hammer Home Position
Sensor Circuit
Wheel Home Position
Sensor Circuit
Wheel Timing
Signal Circuit
Zero Timing
Signal Circuit
5V
6V
Voltage
Regulator Adaptor
4-2
Wheel
Stepping Motor
Wheel
Stepping Motor
Character Select
Solenoid
Hammer Select
Solenoid Driver
DC Motor
Hammer Home
Position Sensor
Wheel Home
Position Sensor
Wheel Timing
Zero Timing
AC