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M2540-92000-01 A M2540 Ultrasound System Field Service Manual Page 158
Service Procedures: Monitor Twivel
6. Perform all RST and system checks to verify performance.
Monitor
Tw i v e l
The M2540A twivel is not adjustable. The following procedure describes how to disassemble the
twivel to replace its parts.
➤ Disassembling the Twivel
To disassemble the twivel, see Figure 13-5 on page 193 to locate parts and assemblies, and
complete the following procedure:
1. Remove the monitor as described in “Replacing the Monitor” on page 157.
2. Remove the twivel shoe’s two mounting screws, and remove the twivel shoe.
3. Lift the twivel base from the cart, while carefully passing the monitor power cord and the
VGA cable through the hole in the twivel base. Pass the power cord through the hole first,
before the video cable.
NOTE The VGA cable’s connector does not fit through one of the two holes in the twivel
base. Note which hole the cables go through.
4. Remove the four screws that secure the monitor support bezel to the monitor support.
To reassemble the twivel assembly, perform the above procedure in reverse. When completing
step 3, pass the VGA cable’s connector through the twivel base first, before passing the power
cord connector through.
Perform all RST and system checks to verify performance.
System
Control Panel
Except for the trackball (see “Cleaning the Trackball” on page 132), the system control panel
contains no serviceable parts, and is replaced as a unit.