EDAN F9 - 4.3 Visual Alarm

F9 Fetal & maternal Monitor Service Manual Disassembling the Monitor
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10.5.3 Replacing the Key Board
To remove the key board,
1)
Separate the upper assembly and the lower assembly.
2)
Disconnect all the wires on the key board.
3)
Remove the four screws securing the board.
To replace the key board,
Replace the board in a reverse procedure. Refer to the following illustration when connecting
wires. Ensure they are all correctly connected.
10.5.4 Replacing the Power Inverter Board
To remove the power inverter board,
1)
Separate the upper assembly and the lower assembly.
2)
Disconnect all the wires on the power inverter board.
3)
Remove the four screws securing the board.
To replace the power inverter board,
Replace the board in a reverse procedure. Refer to the following illustration when connecting
wires. Ensure they are all correctly connected.
No. Connect to
i Main Control Board
ii Ground Wire (connects
to the upper assembly)
iii Control Knob
No. Connect to
i LCD Backlight Wire
(Short)
ii Main Control Board
iii LCD Backlight Wire
(Long)
(i) (ii)
(iii)
( i ) (ii) (iii)