EDAN SE-601B - 4.6 Inspection Before Power-On

SE-601 Series Electrocardiograph Service Manual Inspection and Troubleshooting
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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
Test Point
Reference Result
①
TP1 <+1V8>
+1.8V±0.1V
②
V+_3V3 (J4.1)
+3.3V±0.17V
③
Module Enclosure
GND
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.
① TP1 <+1V8>
②V+_3V3（J4.1）
③ Module Enclosure
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