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Samsung Electronics
4-6 Replacement of Control Box Ass’y 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 (CM-1829/1429) 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. (CM-
1829/1429)
5. Remove a screw securing the tapped taping to
PCB1. (CM-1829/1429)
6. Remove Control Box Ass’y.
7. To replace Digitron, remove 2 screws securing
the PCB4.
8. To replace Start Button Circuitry, remove 3
screws securing the PCB3. (CM-1829/1429)
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 PCBoard
to the bracket PCBoard.
NOTE: When handling the the touch control
circuitry, be most careful to avoid damage.
Disassembly and Reassembly
Control Box Ass’y
(CM-1819/1419)
Control Box Ass’y
(CM-1829/1429)
Switch-Membrane
Digitron(PCB4)
Digitron(PCB4)
PCB3
Main P.C.Board (PCB1)
Wire Harness-C
Wire Harness-D
Wire Harness-F
Wire Harness-B
Window-Display
Cover-Panel/L
Cover-Panel/R
Panel-Base
Button-Start
PCB2
Button-Select
Main P.C.Board
(PCB1)
Panel Base
Cover Panel
Wire Harness-B
Wire Harness-C
