R216LS
3.Discharge high voltage capacitor.
4.Push the lever of positive lock→ connector.
5.Pull down on the positive lock→ connector.
CAUTION: WHEN CONNECTING THE POSITIVE LOCK→ CONNEC- TORS TO THE TERMINALS, INSTALL THE POSITIVE LOCK→ SO THAT THE LEVER FACES YOU.
Terminal
Positive lock¨ connector
1
Push
Lever
2
Pull down
[7] CONTROL PANEL ASSEMBLY REMOVAL
1.Disconnect the power supply cord and remove outer case.
2.Open the door and block it open.
3.Discharge high voltage capacitor.
4.Disconnect the leads from the control unit.
Figure C-1. positive lock→ connector
5.Remove the one (1) screw holding the control panel decoration to the oven cavity front plate.
6.Remove the one (1) screw holding the control panel to the front plate of the oven cavity.
7.Now, the control panel assembly is free.
[8] GRAPHIC SHEET AND MEMBRANE SWITCH REPLACEMENT
1. REMOVAL
1.Disconnect the power supply cord and then remove outer case.
2.Open the door and block it open.
3.Discharge high voltage capacitor.
4.Remove the control panel assembly, referring to chapter of CON-
TROL PANEL ASSEMBLY REMOVAL.
5.Remove the three (3) screws holding the control unit to the control panel frame. And remove the control unit.
6.Remove the rubber connector from the long slit on the control panel frame.
7.Tear away the graphic sheet from the control panel frame.
8.Tear away the membrane switch from the control panel frame.
2. REINSTALL
1.Remove remaining adhesive on the control panel frame surfaces with a soft cloth soaked in alcohol.
2.Tear the backing paper from the new membrane switch.
3.Insert the ribbon cable of the membrane switch into the slit of the control panel frame.
4.Adjust the upper edge and right edge of the membrane switch to the small depression on the surface of the control panel frame.
5.Attach the membrane switch to the control panel frame by rubbing with a soft cloth not to scratch.
6.Tear the backing paper from the new graphic sheet.
7.Adjust the upper edge and right edge of the graphic sheet to the large depression on the surface of the control panel frame.
8.Attach the graphic sheet to the control panel frame by rubbing with a soft cloth not to scratch.
9.Tear the small backing paper from the ribbon cable of the mem- brane switch.
10.Insert the two (2) hole of the ribbon cable into the two (2) pins of the control panel frame (rear side).
11.Attach the ribbon cable to the control panel frame rear side.
12.Place the edge of the membrane switch’s ribbon cable on the lower portion of the liquid crystal display.
13.Insert the rubber connector into the long slit on the control panel frame.
14.Reinstall the control unit to the control panel frame with the three
(3) screws.
NOTE: Do not contact the conductor portion of the ribbon cable (edge) and the rubber connector directly with your fin- gers. This is to avoid oxidized.
Control panel frame
Small backing | Slit | |
paper |
| |
|
| |
Ribbon |
| |
cable |
|
|
|
| Small |
|
| depression |
Graphic sheet | Membrane | Large |
| ||
| switch | depression |
|
| Control panel frame |
Liquid crystal |
| (Rear side) |
Long slit |
| |
display |
| |
|
| |
|
| Conductor portions |
Ribbon cable | Pin |
|
of membrane |
|
|
switch | Rubber connector |
|
Figure C-2. Graphic Sheet and Membrane Switch Replacement
11 – 3
