Disassembly Instructions - ViewSonic A90f+-1 VCDTS23307-2R Service Manual

Disassembly Instructions

1.Swivel Base Removal
Face down the monitor(Fig 4-1), press the
stopper then slide lift off the swivel base
from the monitor,
2.Back Cover Removal
a) Remove two screws of the lower side of
the back cover.(Fig4-2),(Fig4-3)
b) Use a small flat bladed screwdriver or a
paper clip insert into the two respective
crevices which located in the seam of
the front & back cover on the top of the
cabinet.
Hold and Push the tool down to release
the snap-on lock, then remove the back
cover. (Fig 4-4)
4. Disassembly Instructions
(Fig 4-1)
(Fig 4-3)
ViewSonic Corporation
4. Disassembly Instructions
Caution : When servicing or replacing the
3.PCB Assembly Remove
9
CRT, disconnects the anode and
discharges the anode shield
completely.
As high voltage (25KV) may remain
on the anode for an extended time
after power off.
a) Unplug two grounding connectors
and the degaussing coil grounding
connector from the CRT drive
shield.
b) Remove CRT drive board from CRT
neck (Fig 4-5).
c) Unplug the DY connector, AC
connector, Degaussing coil
connector and the CRT grounding
connector from the FBT shield.
(Fig 4-2)
(Fig 4-4)
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A90f+-1