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4. Disassembly and Reassembly
4-6 Replacement of Control Circuit Box Assy and P.C.Board
4-6-1 Removal of Control Box Assembly
1. Be sure to discharge any static electric charge built up on your body and avoid touching the touch control
circuitry.
2. Remove 3 screws securing the Control Box Ass’y to the oven cavity.
3. Disconnect all the lead wires, connectors and ground taping from the main control circuit board (PCB1).
4. Lift up the FPC connector hooks about 5mm upward which connects to the main control circuit board (PCB1)
from the tail of switch membrane of the control box assembly.
5. Remove a screw securing the tapped taping to PCB1.
6. Remove Control Box Ass’y.
7. To replace Digitron, remove 2 screws securing the PCB 4.
8. To replace Start Button Circuitry, remove 2 screws securing the PCB3.
9. Unbend the metal tabs holding the Panel -Base to Control Box body.
4-6-2 Removal of main P.C.Board
1. Remove Control Box Assembly by following the steps 1~ 5 at left.
2. Remove 4 screws securing the main P.C.Board to the bracket P.C.Board.
NOTE: When handling the the touch control circuitry, be most careful to avoid damage.
Control Box Assy
Switch-Membrane
Digitron(PCB4)
PCB3
Wire Harness-F
Window-Display
Cover-Panel/L
Cover-Panel/R
Main P.C.Board
(PCB1)
Panel Base
Cover Panel
Wire Harness-B
Wire Harness-C