Power Supply Board Test - EDAN SE-1200 Series Service Manual

SE-1200 Series Electrocardiograph Service Manual
③ GND
Compare the measurement results with the reference results in the list. If any one of the
4)
results exceeds the reference range, the key board defection is confirmed. Replacement of the
key board is recommended.

5.3.4 Power Supply Board Test

To verify the power supply board,
1) Open the main unit following the procedures described in Chapter 6, "Electrocardiograph
Disassembly".
2) Switch on the device.
3) Measure the voltage to earth of the test points listed below by using a multimeter.
SE-1200 / SE-1200 Express Key Board
Item Test Point
①
12V
②
5V
③
④
⑤
⑥
① TP1 ② TP2
Reference Result
+12V± 0.6V
+5V± 0.25V
Charging：12~16.8V
/ Battery Voltage
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Inspection and Troubleshooting
GND
GND
GND