Samsung CKA4217L Service Manual page 16

4 Disassembly and Reassembly
4-2 Reassembly
With the CRT facing downward on a protective pad, use the steps that follow to reassemble the monitor.
4-2-1 Replacing the CRT
1. Loop the CRT Ground Ass'y around the back
of the CRT and under the four corner metal
ears. Position last the corner with the spring.
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. Secure the CRT ground Ass'y and CRT at each
of the four corners with the CRT screws.
4. Replace the Degaussing Coil Assembly and
wrap the Coil with the plastic coated metal
ties to hold the Coil in place.
4-2-2 Replacing the Main PCB
1. Stand the monitor on its front with the screen
facing downward.
2. Slide the Main PCB into the Chassis Bottom
and replace the wires and screws on the
Chassis Bottom.
3. Position the Main PCB Ass'y in the front
Cabinet and secure it with the screws.
4. Replace both side CRT ground wires on the
Chassis Bottom.
5. Replace the Degaussing Coil at the CN601
connector on the Main PCB.
6. Replace the DY connector at the CN301,
CN302, CN502 and CN503 connector on the
Main PCB.
7. Replace all easily accessible ground wires on
the Main PCB and Chassis Bottom.
8. Replace the Anode Cap.
4-2
4-2-3 Replacing the CRT Socket PCB
1. Lock the Focus (G3) wire on the CRT Socket
and reconnect the Screen (G2) wire on the
CRT Socket PCB.
2. Reconnect the CRT Socket on the CRT pins
and apply silicon bond at the Plug/Socket
Junction.
3. Replace the CRT and Main PCB ground wires
on CRT Socket PCB and Shield Cover.
4. Reconnect the connectors CN102 to the CRT
Socket PCB.
5. Solder the 5 tabs on the underside of the CRT
Socket Shield.
4-2-4 Cabinet Reassembly
1. Complete all previous steps.
2. Position the Rear Cover marking sure the tabs
along the front edge are properly snapped in
place. Replace the four screws.
3. Snap the Tilt and Swivel Base into position.
4. Set the monitor on its Base and make sure that
the CRT faceplate was not scratched or
otherwise damaged.
CKA42*7L/5227L