Disassembling and assembling Servo-i Ventilator System
4 - 4 Service Manual Revision 02
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Backlight Inverter
To remove the PC board Backlight Inverter (3):
• Carefully disconnect the cable connector (4).
• Carefully disconnect the backlight lamp cable
connectors (5).
• Remove the screws (6) holding PC board Backlight
Inverter.
• Lift off PC board Backlight Inverter.
TFT Display
Note: Disassembling of the TFT Display must be
performed in a clean and dustfree environment, as
the TFT Display is sensitive to contaminants.
The TFT Display is mounted under the support plate
(7). To remove the TFT Display:
• Disconnect the three touch-screen flat-cables (8).
• Disconnect the four Direct access control-
cables (9).
• Disconnect the Main rotary dial-cable (10).
• Remove the screws (11) holding the support plate.
• Lift off the support plate-assembly, including TFT
Display and PC boards.
PC 1777 Panel
To remove PC 1777 Panel (1):
• Carefully disconnect all cable connectors from
PC 1777.
• Remove the screws (2) holding PC 1777.
• Lift off PC 1777.
Note: When replacing PC 1777 Panel, it can be
necessary to re-install the System SW. For further
information, refer to section 'Replacing PC boards' in
this chapter.
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