Samsung CKB5237L Service Manual page 18

4 Disassembly and Reassembly
4-4 Reassembly (CKB5237L)
With the CRT facing downward on a protective pad, use the steps that follow to reassemble the monitor.
4-4-1 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 4 corner screws.
4. Replace the Degaussing Coil Assembly and
wrap the coil with the plastic coated matal ties
to hold the coil in place.
5. Replace the CRT Ground Assembly.
6. Replace the Unit Bracket Assembly.
4-4-2 Replacing the Main PCB
1. Stand the monitor on its front with the screen
facing downward.
2. Replace the 7 screws on the top side of the
Main PCB.
3. 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.
4. Replace the DY connector at the CN301_5,
CN400, CN401 and CN402 connectors on the
Main PCB.
5. Replace the connector between CN_Tilt. on
the Main PCB and the Tilt Coil.
6. Replace all easily accessible ground wires on
the CRT GND Assembly and Bottom Chassis.
4-4
7. Replace the Degaussing Coil at CN600 on the
Main PCB.
8. Replace the Anode Cap.
4-4-3 Replacing Connector CN103 on the
Video PCB
1. Position the Video Shield and replace all
screws.
2. Replace 4 point both and back screws on the
lower edge of the Video PCB Ass'y and the
screw on the signal connector.
4-4-4 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
Focus wire, G2 wire.
2. Reconnect the CRT Socket on the CRT pins at
the plug/Socket junction.
4-4-5 Cabinet Reassembly
1. Reconnection CN103 both the CRT and the
Video PCB.
2. Solder 1 point CRT PCB and replace 1 screw
Video shield.
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. Replace the signal cable cover cap.
6. Set the monitor on its Base and make sure that
the CRT faceplate was not scratched or
otherwise damaged.
CKB5237L/7227L