Verifying Malfunction Of The Power Module - EDAN FTS-3 Service Manual

FTS-3 Fetal Telemetry System Service Manual
4) Compare the measurement results with the reference results in the list. If any one of the
results exceeds the reference range, the main board defection is confirmed. Replacement of
the main board is recommended.

9.2 Verifying Malfunction of the Power module

To verify the power module,
1) Open the base station using the procedures described in section 10.3.
2) Measure the voltage to earth of the following pin on the bottom interface board, using a
multimeter.
Item
○
1
3) If any one of the results exceeds the reference range, the power module defection is
confirmed. Replacement of the module is recommended.
Pin Reference result
th
5 pin of J3 (+12± 10%) V
Figure 9- 2 Power module
- 26 -
Modules' Malfunction Verification
①
th
5 pin of J3