Samsung 753x, 76x isassembly reassembly

3-1-1 Before Disassembly
1. Disconnect power cord from the monitor.
2. With a pad beneath it, stand the monitor on its front with the screen facing downward and the base close to you.
3-1-2 Cabinet Disassembly
1. Remove the Stand from the monitor. (Refer to Stand manual)
3. Tilt the monitor by lifting at the rear.
4. Push the Opening jig in to each groove along the top of the monitor until makes a “tak” sound. (2 grooves : Left and Right, Make sure each snap is disengaged.)
5. Pull the Rear Cover up and away from the monitor.
AN17K*/AN17L* 3-1
3 Disassembly and Reassembly
This section of the service manual describes the disassembly and reassembly procedures for the AN17K*/AN17L* monitor.
WARNING: This monitor contains electrostatically sensitive devices. Use with caution when
handling these components.
3-1 Disassembly
Cautions: 1. Disconnect the monitor from the power source before disassembly.
2. To remove the Rear Cover, you must use the special opening jig tool.
Figure 1
Figure 2
Figure 3
Figure 4
CONFIDENTIAL
6. Remove the Shield.(TCO 99)
7. Using pinch-nose pliers or ling-nose pliers, carefully disconnect the Anode Cap from the CRT.
Warning: Do not touch the Anode contact
on the CRT (High Voltage may remain).
3-1-3 Removing the CRT Socket PCB
1. Complete all previous steps.
2. Loosen the screw on the CRT Neck and remove the CRT Socket PCB from the CRT.
3. Disconnect all connectors on the CRT Socket PCB.
4. Using a soldering iron, disconnect the Ground (GND) on the back of the Video Shield and remove the Shield Cap.
5. Remove the screw on the front of the Shield Socket.
6. Desolder the 4 tabs on the CRT Socket PCB and remove Shield.
7. Place the Video PCB on a flat, level surface that is protected from static electricity.
3-1-4 Removing the Main PCB
1. Complete all previous steps.
2. Disconnect the Degaussing Coil at CN603 on the Main PCB.
3. Disconnect all easily accessible ground wires on the PCB and Bottom Chassis.
4. Disconnect the DY connector at the CN404 connector on the Main PCB.
5. Using the jig, release the snaps (2) connecting the Front Cover and the PCB then lift up the bottom to separate the two shields.
6. Disconnect the tilt connector at the CN304 connector on the Main PCB.
7. Disconnect the Sub PCB connector at the CN604 connector on the Main PCB.
8. Remove the screws on the back and along each side of the bottom chassis.
9. Carefully lift the Main PCB Assy and remove the remaining ground wires.
10. Place the Main PCB Assy on a flat, level surface that is protected from static electricity.
3-1-5 CRT Assy Disassembly
1. Complete all previous steps.
2. Straighten the Degaussing Coil Assembly coated metal ties and lift the Coil Assy from the CRT.
3. Remove the four corner screws and lift the CRT up and away from the Front Cover Assembly and place it on a padded surface.
Caution: Do not lift the CRT by the neck.
If you will be returning this CRT to the monitor, be sure to place the CRT face downward on a protective pad.
3 Disassembly and Reassembly
3-2 AN17K*/AN17L*
CONFIDENTIAL
3-2 Reassembly
Reassembly procedures are in the reverse order of disassembly procedures.
Figure 6
Figure 7
Figure 5
Loading...