4 Disassembly and Reassembly
4-3 Disassembly (CKB5237L)
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.
4-3-1 Cabinet Disassembly4-3-3 Removing the Main PCB
1. With a pad beneath it, stand the monitor on its1. Follow steps 1 through 3 in OCabinet
front with the screen facing downward andDisassembly,� steps 1 through 8 in ORemoving
the base close to you. Make sure nothing willthe Video PCB and ORemoving the CRT
damage the screen.Socket PCB,� above.
2. Working from the back of the monitor remove2. Disconnect the Degaussing Coil at CN600 on
the signal cover cap out, and remove the 4the Main PCB.
screws and carefully pull the rear cabinet up3. Disconnect all easily accessible ground wires
and off the monitor.from the CRT GND Assembly and Bottom
3. Using pinch-nosed pliers or long-nosed pliers,Chassis.
carefully disconnect the Anode Cap from the4. Disconnect the connector between CN_Tilt. on
CRT.the Main PCB and the Tilt coil.
5. Disconnect the DY connector between the DY
4-3-2 Removing the Video PCB & and the CN301_5, CN400, CN401 and CN402
CRT Socket PCBconnectors on the Main PCB.
1. Follow steps 1 through 3 in OCabinet6. Remove the 2 screws on the left and right
Disassembly,� above.sides of the PCB Bracket.
2. Remove the 1 screw on the Video Shield Top7. Carefully lift the Main PCB AssOy.
position.8. Remove the 7 screws on the top side of the
Main PCB.
3. Disconnect connector C103.
4. Lift off the CRT Socket PCB Assembly.9. Lift the Main PCB and place it on a flat, level
5. Hold the CRT Socket PCB Assembly whilesurface that is protected from static electricity.
you lift the cap on the CRT Socket, unsolde 1
point wire, remove 9 pin wire Assembly,
unsolder 4 point on the corner shild of CRT
Socket PCB and remove shield of CRT Socket
PCB.
6. Remove 5 point screws side the lower edge
and back of the Video PCB Assembly, and the
screw on the signal conector and pull the
Assembly towards you to remove it.
7. Remove all screws on the Video PCB
Assembly and remove the Video Shield.
8. Lift out the Video PCB and place it on a flat,
level surface that is protected from static
electricity.
CKB5237L/7227L4-3 |
ACEC
