Wyse WY-50 Maintenance Manual page 57

maintenance instructions
4. Disconnect the brightness pot wiring harness from
the monitor PCB.
5. Clip the ty-wraps holding brightness pot harness
from the metal CRT ~ramework.
6. Remove the four #2 Phillips screws which hold the
CRT bezel in place.
7. Remove the bezel.
8. Remove the two #1 Phillips screws which hold the
brightness pot to the bezel.
9. Install the new potentiometer.
10. Assembly is in the reverse order of disassembly.
5 • 6 AC POWER SWI'l'CB REPLACEMENT
Tools Required: #1 Phillips screwdriver
Procedure:
1. Disconnect the WY-50 from its AC power source.
2. Lay the WY-50 on its side (either side is OK).
3. Remove the six #1 Phillips screws which hold the
metal base plate to the display pedestal.
4. Lift the metal base plate free.
The metal base plate tabs can break
the display console plastic if not
handled carefully.
5. Disconnect the wiring going to the power switch by
pulling the slip-on connectors off the switch.
6. Push the power switch out the front of the display
pedestal (push the switch towards the front of
unit). This is a snap-in switch; you may have to
squeeze the snaps to remove it.
7. Install the new switch.
8. Assembly is in the reverse order of disassembly.
5-5