EDAN SE-1200 Express - Page 67

SE-1200 Series Electrocardiograph Service Manual Electrocardiograph Disassembly
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37
Background light switch control
38
Recharging Lock
40
Background brightness control
④ J11 -- connected to power supply board P3
Pin
Description
1, 5, 6, 9
GND
2
Turn on
3
Recharging Lock
4
Turnoff detecting
7
Mains supply
8
Turn off by software
10
Recharge voltage detecting
⑤ J12 -- connected to power supply board P1
Pin
Description
4, 5, 6
GND
1
+12V
2
+5V
3
Battery voltage
⑥ J23 -- connected to the step motor
Pin
Description
1, 2, 3, 5
Signal port of step motor
⑦ J19 -- connected to the thermal print head
Pin
Description
4, 5, 6
GND
7
DVcc+5V
1, 2, 3
VH+24V