Samsung CKF5607 Disassemble

5-1-1 Cabinet Disassembly
1. With a pad beneath it, stand the monitor on its front with the screen facing downward and the base close to you. Make sure nothing will damage the screen.
2. Working from the back of the monitor remove the 2 screws.
4. Using pinch-nosed pliers or long-nosed pliers, carefully disconnect the Anode Cap from the CRT.
Caution: Do not touch the anode contact on
the CRT.
5-1-2 Removing the Video PCB
1. Complete all previous steps.
2. Remove the screw on the Main PCB which secures the braided ground wire on the Video Shield. Remove all other ground wires.
3. Unsolder the center tabs on the underside of the Video PCB Shield and remove the Video PCB Shield.
4. Using a knife, cut the silicone bond and lift off the CRT Socket PCB.
5. Lift off the Video PCB Ass’y.
6. Disconnect connectors CN101 and CN102 on the Video PCB.
7. Disconnect the red screen (G2) wire on the Video PCB.
8. Hold the Video PCB while you lift the cap on the CRT Socket. Disconnect the red Focus wire (G3).
5-1-3 Removing the Main PCB
1. Complete all previous steps.
2. Disconnect the Degaussing Coil at CN600 on the Main PCB.
3. Disconnect all easily accessible ground wires from the CRT GND Assembly and Bottom Chassis.
4. Disconnect the DY connector between the DY and the CN300, CN301, CN401, CN402 and CN403 connectors on the Main PCB.
5. Remove the 2 screws on the left and right sides of the PCB Bracket.
6. Carefully lift the Main PCB Ass’y.
7. Carefully lift off the Power Shaft from the Main PCB.
8. Disconnect the adjustment control connector CN201 on the Main PCB.
9. Remove the 6 screws on the top side of the Main PCB.
10. Lift the Main PCB and place it on a flat, level surface that is protected from static electricity.
CKF5607L 5-1
5 Disassembly and Reassembly
This section of the service manual describes the disassembly and reassembly procedures for the CKF5607L monitor.
WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling
these components.
5-1 Disassembly
Cautions:1. Disconnect the monitor from the power source before disassembly.
2. Follow these directions carefully; never use metal instruments to pry apart the cabinet.
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 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.
5-2-2 Replacing the Main PCB
1. Stand the monitor on its front with the screen facing downward.
2. Replace the Power Shaft on the Main PCB.
3. Replace the 6 screws on the top side of the Main PCB.
4. Replace connector CN201 on the Main 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 CN300, CN301, CN401, CN402 and CN403 connectors on the Main PCB.
7. Replace all easily accessible ground wires on the CRT GND Assembly and Bottom Chassis.
8. Replace the Degaussing Coil at CN600 on the Main PCB.
9. Replace the Anode Cap.
5-2-3 Replacing the Video PCB
1. Replacing the Focus (G3) wire on the CRT Socket and the screen (G2) wire on the Video PCB.
2. Replace connectors CN101 and CN102 on the Video PCB.
3. Reconnector the CRT Socket on the Video PCB.
4. Solder the center tab on the underside of the Video PCB Shield and replace the Video PCB Shield.
5. Replace the screw on the Main PCB which secures the braided ground wire from the Video Shield and replace all other ground wires.
5-2-4 Cabinet Reassembly
1. Complete all previous steps.
2. Position the Rear Cover making sure that the tabs along the front edge are properly snapped in place. Replace the 4 screws.
3. Set the monitor on its Base and make sure that the CRT faceplate was not scratched or otherwise damaged.
5 Disassembly and Reassembly
5-2 CKF5607L
5-2 Reassembly
With the CRT facing downward on a protective pad, use the steps that follow to reassemble the monitor.
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