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5 Disassembly and Reassembly
5-1-5 CRT Ass'y Disassembly
1. Complete all previous steps.
2. Remove the 4 side screws 2 on the top and 1
on either side of the CRT and lift the CRT Unit
Bracket.
3. Unhook the Degaussing Coil Assembly and
lift it off the CRT.
5-2 Reassembly
With the CRT facing downward on a protective pad, use the steps that follow to reassemble the monitor.
5-2-1 Replacing the CRT
1. Loop the CRT Ground Assembly around the
back of the CRT and under the 4 corner, metal
ears. Position the corner with the spring last.
2. With the Front Cover Assembly lying face
down on a protective pad, position the CRT so
that the corner metal ears fit properly in the
Front Cover Assembly.
3. Replace the Degaussing Coil Assembly and
secure the Coil with the plastic Degaussing
Coil Holders.
4. Replace the Unit Bracket Ass'y.
5. Replace the 4 corner screws.
5-2-2 Replacing the Main PCB
1. Stand the monitor on its front with the screen
facing downward.
2. Replace the 6 screws on the top side of the
Main PCB and the 2 screws on the power Inlet
Socket.
3. Replace the Power Shaft.
4. Replace connector CN201 on the Main PCB
and Led connector CN702 on the LED PCB.
5. Position the Main PCB Ass'y in the Front
Cabinet and secure it on both sides with the
screws between the Bottom Chassis and CRT
Unit Bracket.
6. Replace the DY connector at the CN301,
CN400, CN401 and CN402 connectors on the
Main PCB.
7. Replace all easily accessible ground wires on
the Main PCB and Bottom Chassis.
5-2
4. Lift the CRT up and away from the Front
Cover Assembly and place it on a padded
surface.
Do not lift the CRT by the neck.
!
Caution: If you will be returning this CRT to
the monitor, be sure to place the CRT
face down on a protective pad.
8. Replace the Degaussing Coil at CN602 on the
Main PCB.
9. Replace the Anode Cap.
5-2-3 Replacing the CRT Socket PCB
1. Hold the CRT Socket PCB Ass'y while you lift
the Cap on the CRT Socket and replace the
two Focus wires.
2. Replace connectors CN13 and CN14 on the
CRT Socket PCB.
3. Reconnect the CRT Socket on the CRT pins at
the plug/Socket junction.
5-2-4 Replacing the Video PCB.
1. Position the Video Shield and replace all
screws.
2. Replace both side screws on the lower edge of
the Video PCB Ass'y and the screw on the
signal connector.
3. Replace connectors CN102, CN105 and CN106
on the Video PCB.
5-2-5 Cabinet Reassembly
1. Complete all previous steps.
2. Position the Top Shield and replace the 12
screws.
3. Replace the 4 screws on the Bottom Cover.
4. Position the Rear Cover making sure that the
tabs along the front edge are properly
snapped in place. Replace the 4 screws.
5. Set the monitor on its Base and make sure that
the CRT faceplate was not scratched or
otherwise damaged.
CKG7507L
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