EDAN SE-1200 Express - Page 64

SE-1200 Series Electrocardiograph Service Manual Electrocardiograph Disassembly
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⑤ J15 -- connected to 8 inch LCD backlight
Pin
Description
1
Anode of backlight
2
Cathode of backlight
SE-1200 Key Board
① J5-- connected to LED indicator
Pin
Description
1,2,3,5
The signal of LED indicator
4
GND
6
+5V
② J2 -- connected to the main board
Pin
Description
4, 11, 19, 22, 25, 28, 30
GND
1, 2, 3, 5, 6, 7, 8, 9
Signal port of LCD
10, 12, 27, 29
DVcc+5V
26
Turn off by software
① ② ③