EDAN SE-1200 Express - Page 62

SE-1200 Series Electrocardiograph Service Manual Electrocardiograph Disassembly
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③ P1 -- connected to main board J12, power output
Pin
Description
4, 5, 6
GND
1
+12V
2
+5V
6
-12V
3
Recharge voltage/Battery voltage
3. Key Board - Input Interface
SE-1200 Express Key Board
① J3 -- connected to LED indicator
Pin
Description
1, 2, 3, 4
The signal of touch screen
5, 6, 11, 12, 17, 20
GND
7, 8, 9, 10
+5V
13, 14, 15, 16, 18, 19
The signal of LED indicator
①
②
③ ④ ⑤