Samsung CM1319 Service Manual page 19

4-6 Replacement of Control Box Assy and P.C.Board
ae 6-1 Removal of Control Box Assembly
. Be sure to discharge any static electric charge built up on nyOur body and avoid touching the
touch control circuitry.
. Remove 3 screws securing the Control Box Ass'y to the oven cavity.
. Disconnect all the lead wires, connectors and ground taping (CM1929/1629/1329) from the main
control circuit board (PCB1).
. Lift up the FPC connector hooks about 5mm upward which connects to the main conirol
circuit board(PCB1) from the tail of switch membrane of the control box assembly.(CM1929/1629/1329)
. Remove a screw securing the tapped taping to PCB1. (CM1929/1629/1329)
. Remove Control Box Ass'y.
To replace Digitron, remove 2 screws securing the PCB4.
. To replace Start Button Circuitry, remove 3 screws securing the PCB3. (CM1929/1629/1329)
. Unbend the metal tabs holding the Panel -Base to Control Box body.
Ww
~
OMONOA
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.
Main P.C.Board (PCB1)
Control Box Ass'y Wire Harness-C
<CM1919/1619/1319> Digitron(PCB4)
Wire
Harness-B
Panel-Base
Button-Select
Buiton-Start
Main P.C.Board
(PCB1)
Wire Harness-C
GonitralB Ass' Digitron(PCB4)
ontro OX ASSY
<CM1929/1629/1329>
Window-Display
* Wire Harness-F
Cover Panel
coverPane—{]
PCB3