EDAN SE-1200 Express - Description of Hardware Design Principle; Main Board Description

SE-1200 Series Electrocardiograph Service Manual Overview
- 15 -
3.2 Description of Hardware Design Principle
Figure 3-1 Block Diagram of the Electrocardiograph
SE-1200 series electrocardiograph consists of the following functional blocks:
1) PS900D power supply board
2) li-ion battery
3) Main board
4) Key board
5) LCD display module
6) ECG board
7) Thermal printer module
8) WIFI module
3.2.1 Main Board Description
The main board includes Core CPU, SDRAM, FLASH, buffer chip, Ethernet driver chip, power
supply, printing interface, audio interface, TFT screen interface, USB interface, RS232-Serial
port, analog input and output.