EDAN F9 - Verifying Malfunction of the FM Module

F9 Fetal & maternal Monitor Service Manual Modules’ Malfunction Verification
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9.2 Verifying Malfunction of the FM Module
To verify the FM module,
1)
Open the main unit using the procedures described in section 10.3.
2)
Measure the voltage to earth of the pins listed below, using a multimeter:
Item Pin Reference result
○
1
L16 (+5±10%) V
○
2
TP19 (+6±10%) V
○
3
TP18 (+6.8±10%) V
○
4
TP22 (-5±10%) V
○
5
TP10 (+2.5±10%) V
○
6
TP16
(-6.5±10%) V
○
7
TP15 (+3.3±10%) V
⑧
T23
(+3.3±10%) V
⑨
TP20 (+5±10%) V
○
1
L16
○
2
TP19
○
3
TP18
○
4
TP22
○
5
TP10
○
6
TP16
○
7
TP15
⑧ T23
FM Module PCBA
⑨ TP20