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SUBASSEMBLY REMOVAL AND REPLACEMENT
Upper Monitor Area
The upper monitor area contains the CRT and the video PCB.
COVER SETS
CAUTION
Take special care when working in the general
area of the CRT.
Do not scratch or strike
the CRT or subject it to unusual pressure.
The CRT contains a high vacuum and breakage
of the tube may resul tin injury from flyi ng
glass.
As a further precaution wear suitable
clothing and eye protection.
A hazardous residual voltage may be present
on the CRT at the flyback transformer anode
cap.
Always discharge the CRT anode to
ground before performi ng any mai ntenance in
the upper moni tor area (refer to Step 2 of
the
Video
PCB
Removal
and
Replacement
procedure) .
The paragraphs below descri be the removal and replacement of the cover sets
for the keyboard and monitor.
This procedure prefaces the removal and
replacement of the other QVT-lOl subassemblies.
Keyboard - Top Cover
The top cover of the keyboard is secured from the underside of the keyboard
assembly by six screws.
REMOVAL
1. Disconnect the keyboard cable from the monitor.
2. Place the keyboard upside down on a level surface and remove the six
screws. Lift the bottom cover with keyboard PCB away from the top cover.
REPLACEMENT
To replace the top cover, repeat removal instruction in reverse order.
2-2
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