Wifi Module Test (Optional) - EDAN SE-601A Service Manual

SE-601 Series Electrocardiograph Service Manual

5.3.5 WIFI Module Test (Optional)

To verify the WIFI module,
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.
Item
①
②
③
②V+_3V3 （ J4.1）
5) Compare the measurement results with the reference results in the list. If any one of the
results exceeds the reference range, WIFI carrier plate defection is confirmed. Replacement of
WIFI carrier plate is recommended.
Test Point
TP1 <+1V8>
V+_3V3 (J4.1)
Module Enclosure
① TP1 <+1V8>
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Inspection and Troubleshooting
Reference Result
+1.8V± 0.1V
+3.3V± 0.17V
GND
③ Module Enclosure