EDAN F15 Series Service Manual

F15 Series Fetal & Maternal Monitor Service Manual Modules’ Malfunction Verification
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8.6 Verifying Malfunction of NELL Transducer Socket Board
(wired model only)
To verify the NELL transducer socket board,
1) Open the main unit using the procedures described in section 9.3.
2) Switch on the monitor. (Powered by AC or battery.)
3) Measure the voltage to earth of the pins listed below, using a multimeter:
Item
Reference Pin
Test Pin
Reference result
○
1
TP24(GND)
TP23
4.75~5.25V
○
2
TP24(GND)
TP27
11.4~12.6V
○
3
TP25(FGND)
TP26
5.23-5.78V
○
4
TP25(FGND)
TP28
4.75-5.25V
NELL Transducer Socket Board
4) If any one of the results exceeds the reference range, the NELL transducer socket board
defection is confirmed. Replacement of the board is recommended.
8.7 Verifying Malfunction of Wireless Charging Board
To verify the wireless charging board,
1) Open the main unit using the procedures described in section 9.3.
2) Switch on the monitor. (Powered by AC or battery.)
3) Measure the voltage to earth of the pins listed below, using a multimeter:
Item
Test Pin
Reference result
○
1
TP7
4.7V~5.6 V
○
2
TP8
3.135V~3.46 V
NELL
Transducer
Symbol
○
4
TP28
○
3
TP26
○
1
TP24/TP27
○
2
TP23
TP25

EDAN F15 Series Specifications

General

Brand	EDAN
Model	F15 Series
Category	Monitor
Language	English