Verifying Malfunction Of The Indicative Light Board - EDAN FTS-3 Service Manual

FTS-3 Fetal Telemetry System Service Manual

9.3 Verifying Malfunction of the Indicative Light Board

To verify the indicative light board,
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
②
3) If any one of the results exceeds the reference range, the power module defection is
confirmed. Replacement of the board is recommended.
Pin Reference result
TP2 VCC(+5.5± 10%) V
TP3 +12V(+12± 10%) V
Figure 9- 3 Indicative light board
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Modules' Malfunction Verification