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Electric Circuit Diagrams
4 - 3
MAIN CPU section
The MAIN CPU section, which uses SH7709A, carries out basic operations
as electrocardiograph such as electrocardiogram display and recording.
It also performs processing of serial port signals, voltage monitoring of the
backup battery, temperature monitoring of the thermal head, and processing
on the mark sensor and the speaker. The internal clock, which operates at
133 MHz, controls address bus and peripheral devices, and performs
various operations according to the settings determined by software.
MAIN G/A section
The MAIN G/A section mainly performs the following.
•
ECG control
•
Various timing controls
•
Thermal control
•
Motor control
•
Buzzer control
Summary of Contents for FX-7302
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Page 60: ...Chapter 2 2 40 ...
Page 62: ......
Page 86: ...Chapter 4 4 18 ...
Page 87: ...4 19 MAIN BOARD circuit diagram PCB 6956B Power connection table No 1 ...
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Page 130: ......
Page 131: ...6 1 MAIN BOARD PCB 6956B component side ...
Page 132: ...6 2 MAIN BOARD PCB 6956B soldering side ...
Page 133: ...6 3 OPERATION BOARD PCB 6957B component side ...
Page 134: ...6 4 OPERATION BOARD PCB 6957B soldering side ...
Page 135: ...6 5 ECG AMP BOARD PCB 6731D component side ...
Page 136: ...6 6 ECG AMP BOARD PCB 6731D soldering side ...
Page 137: ...6 7 MARK SENSER BOARD PCB 6942 component side ...
Page 138: ...6 8 MAGAZIN UP BOARD PCB 6943A component side ...
Page 139: ...6 9 CONNECTION BOARD PCB 7028 component side ...
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