EDAN F9 Service Manual page 49

F9 Fetal & maternal Monitor Service Manual
3) Compare the measurement results with the reference results in the list. If all the results are in
the allowance range. Switch on the monitor and measure the voltage to earth of the pins
listed below.
○
10 TP3
○
11 TP9
○
12 TP8
○
13 TP2
4) If any one of the results exceeds the reference range, the FM module defection is confirmed.
Replacement of the module is recommended.
Item Pin
○
10
TP3
○
11
TP9
○
12
TP8
○
13
TP2
○
14
TP13
○
15
TP11
○
16
TP4
Modules' Malfunction Verification
Reference result
(0.45±20% )V
(0.9±20% )V
(0.9±20% )V
(0.45±20% )V
(3.30±20% )V
(3.30±20% )V
(0.40±20% )V
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○
14 TP13
○
15 TP11
○
16 TP4