EDAN SE-1200 Series Service Manual page 64

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