Page 2.1
Chapter 2
Functional Overview
SCHILLER AT-2plus 6-Channel ECG Unit
SERVICE HANDBOOK Issue 1 June 1998
Chapter 2
Functional Overview
Contents
Introduction 2.2
MK 14 - 10 Main Board 2.4
Power Supply 2.4
Program and ECG Memory 2.4
Serial EEPROM 2.4
Thermal Print Head Controller 2.4
Printer Timing 2.4
Paper Mark 2.4
Power On Reset 2.5
Stepper Motor Controller 2.5
ECG Isolated Power Supplies 2.5
ECG Signal 2.5
Noise Damping 2.5
MK 14-11 RS-232 Interface Board 2.6
External Modem 2.6
MK 14-12 Modem Interface Board 2.7
Top Assembly 2.8
LCD Screen 2.8
Alphanumerical Keyboard 2.8
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