R-22JT
33
2. Open the oven door and block it open.
3. Discharge two high voltage capacitors.
4. Pushing the lever of positive lock
®
connector, pull down
the connector from the terminal.
5. Now, the connector is free.
Note:
If the positive lock
®
has a insulation sleeve, first
remove it. If you do not, you can not push the lever
of positive lock
®
.
CAUTION: THE POSITIVE LOCK
®
TERMINAL CAN NOT
BE REMOVED BYJUST PULLING ON IT. THE
LOCK LEVER MUST BE RELEASED TO RE-
MOVE THE CONNECTOR FROM THE TER-
MINAL.
Figure C-2. How to release the positive lock connector.
CONTROL PANEL ASSEMBLY REMOVAL
The complete control panel should be removed for replace-
ment of components. To remove the control panel, proceed
as follows:
1. Disconnect the power supply cord.
2. Remove the air intake filter assembly from the base plate.
3. Remove two (2) screws holding the control panel to the
base plate.
4. Pull down the control panel and remove it forward.
5. Disconnect connectors (CN-A), (CN-B), (CN-H), wiring
from tab terminal 1 and 2 and wiring from RY1 and RY2.
6. Now the control panel assembly is free.
CAUTION FOR TOUCH CONTROL PANEL REMOVAL
1) Hold the lower end (Position A, Fig. 1) of the touch control
panel assembly firmly while sliding it down and toward you.
DO NOT FORCE THE CONTROL UNIT TO SLIDE DOWN
DURING REMOVAL. THIS MAY CAUSE DAMAGE TO
THE CONTROL UNIT BY HITTING THE TAB TERMINALS
LOCATED AT THE FRONT OF THE OVEN CAVITY.
2) If the Touch Control Panel is hard to remove;
(1) Insert a flat head screw driver into space B . (Fig. 1)
(2) Rotate the screwdriver clockwise while holding position
C of the Touch Control Panel. (Fig. 2)
TO AVOID DAMAGE TO TOUCH CONTROL PANEL,
COVER THE TIP OF SCREWDRIVER WITH TAPE.
CONTROL PANEL ASSEMBLY AND CONTROL UNIT REMOVAL
Replacement of individual component is as follows:
CONTROL UNIT AND CONTROL PANEL FRAME
(WITH KEY)
7. Remove one (1) screw holding the decoration metal
fittings to the control panel mounting angle.
8. Remove two (2) screws holding the control panel
mounting angle to the panel frame.
9. Lift up the control panel mounting angle from the panel
frame.
10.Disconnect connector (G) from the control unit by pushing
the hooks of cable holder inwardly.
11.Remove five (5) screws holding the control unit to the
panel frame assembly.
12.Push down the right side two (2) hooks fixing the control
unit to the panel frame assembly, and lift up the control
unit upward.
13.Now, the control unit and control panel frame (with key)
are free.
CAUTION:
When installing the control unit into the control panel
frame:
1. Be careful not to damage any of the components on
the control unit.
2. When inserting key units ribbon cable through the
frame, ensure it is not pinched or bent. Ensure the
control unit is pushed upward to lock into the control
panel frame prior to screwing the control unit into
the frame.
3. Ensure there are no any wires near the varistors, if
they explode, they may damage the wires.
NOTE: 1. Before attaching a new key unit, remove
remaining adhesive on the control panel frame
surfaces completely with a soft cloth soaked in
alcohol.
2. When attaching the key unit to the control panel
frame, adjust the upper edge and right edge of
the key unit to the correct position of control
panel frame.
3. Stick the key unit firmly to the control panel frame
by rubbing with soft cloth to prevent scratching.
Terminal
Push
Pull down
1
2
Lever
Positive lock®
connector
B
A
C
B
Fig. 1
Fig. 2
TOUCH CONTROL PANEL
SCREW DRIVER
