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23

The complete control panel should be removed for re-
placement of components. To remove the control panel,
proceed as follows:
1. CARRY OUT 3D CHECKS.
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 two connectors (A), (B), (D), (H) and  TAB

terminal (TAB1,2,3,4) from the control unit.

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.

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 posi-

tion  C of the Touch Control Panel. (Fig. 2)

(3) Re-solder the Relay (RY-4) prior to reinstalling the

Touch Control Panel.

B

A

C

B

Fig. 1

Fig. 2

TOUCH CONTROL PANEL

SCREW DRIVER

Replacement of individual component is as follows:

7. Remove two (2) screws holding the control panel

mounting angle to the panel frame.

8. Lift up the control panel mounting angle from the panel

frame.

9. Remove six (6) screws holding the control unit to the

panel frame assembly.

10.Push down the right side two (2) hooks fixing the

control unit to the panel frame assembly, and lift up the
control unit upward.

11.Now, the control unit and control panel frame (with

switch unit) are free.

12.Remove the three (3) screws holding the switch unit

(Main) to the control panel frame.

13.Remove the two (2) screws holding the  switch unit

(Sub.) to the control panel frame.

14.Now,  the switch unit is free

12.Remove the  two (2) screws holding the earth wire to

the rotary encoder and control panel mounting angle.

13.Remove the two (2) screws holding the  rotary encoder

to the control panel frame.

14.Remove the knob from the rotary encoder shaft.
15.Now,  the rotary encoder is free.

Procedure
1. Pushing the lever of positive lock

®

 connector.

2. Pull down the connector from the terminal.
3. Now, the connector is free.

Note: If the positive lock

®

 has a insulation sleeve, first

remove it. If you do not so, you can not push the
lever of positive lock

®

.

CAUTION: The positive lock

®

 terminal can not be dis-

connected by only pulling. Because once
you (Service personnel) have connected the
positive lock

®

 connector to the terminal, the

positive lock

®

  connector has been locked.

Terminal

Push

Pull down

1

2

Lever

Positive lock®

connector

24

1.

CARRY OUT 3D CHECKS

2.

Release the cord bushing from the rear cabinet.

3.

Disconnect the brown and blue wires of the power
supply cord from the noise filter.

4.

Loosen the single (1) screw holding the earth angle
and earth wire of power supply cord.

5.

Remove the power supply cord.

CAUTION: DO NOT ALLOW THE WIRE LEADS OF

THE POWER SUPPLY CORD TO COME
NEAR THE HIGH VOLTAGE TRANS-
FORMER. BECAUSE THE HIGH VOLT-
AGE TRANSFORMER BECOMES HOT.

Re-install
1.

Insert the power supply cord into the cord bushing.

2.

Connect the brown and blue wires of power supply
cord into the terminals of noise filter, referring to
pictorial diagram.

3.

Insert the green/yellow wire of power supply cord
into the earth angle, and tight the screw holding the
earth angle.

4.

Re-install the cord bushing to the rear cabinet.

5.

Re-install the rear cabinet to oven cavity and the
bottom plate with the eleven (11) screws and two (2)
washers.

6.

CARRY OUT 4R CHECKS.

N

Screw

Green/Yellow 
wire

Cord
bushing

Rear 
cabinet

Power
supply 
cord

Blue wire

Brown wire

Noise filter unit

L

WHT

BLK

latch hook.

6. For 1st latch and stop switches removal

6-1. Disconnect the wire leads from the 1st latch and

stop switches.

6-2. Remove the single (1) screw and nut holding the

1st latch and stop switches to the latch hook.

CAUTION: WHEN THE 1ST LATCH SWITCH AND

2ND. LATCH SWITCH ARE INSTALLED,
THE TWO (2) TABS OF THE LATCH
HOOK SHOULD BE BROKEN.

1. CARRY OUT 3D CHECKS.
2. Remove the control panel from the oven cavity refer-

ring to “CONTROL PANEL REMOVAL”.

3. Remove the two (2) screws holding the latch hook to

the oven cavity.

4. Open the door and pull the latch hook out of the oven

cavity.

5. For 1st latch, 2nd latch or Monitor switch removal

5-1. Disconnect the wire leads from the switch.
5-2. Push the retaining tabs outward slightly and then

pull the switch forwards and remove it from the

In case 1st latch switch, 2nd latch, stop switch, 3rd latch
switch and monitor switch do not operate properly due to a
mis-adjustment, the following adjustment should be made.
1. Loosen the two (2) screws holding the latch hook.
2. With the door closed, adjust the latch hook by moving it

back and forward, or up and down. In and out play of the
door allowed by the latch hook should be less than
0.5mm. The vertical position of the latch hook should be
placed where the stop switch and 1st, 2nd, 3rd latch
switches have activated with the door closed.
The horizontal position of the latch hook should be
placed where the monitor switch has activated with the
door closed.

3. Secure the screws with washers firmly.
4. Make sure of the 1st, 2nd, 3rd latch switches, stop

switch, and monitor switch operation. If those switches
have not activated with the door closed, loose two (2)
screws holding latch hook and adjust the latch hook
position.

After adjustment, make sure of the following:
1. The stop switch and 1st, 2nd, 3rd latch switches interrupt

the circuit before the door open when the door release
lever is pulled, and then and monitor switch close the

circuit when the door is opened.

2. Re-install outer case and check for microwave leakage

around the door with an approved microwave survey

meter. (Refer to Microwave Measurement Procedure.)

Latch head

Monitor switch

Latch hook

1st. latch switch

2nd. latch switch

Stop switch

3rd. latch switch

Latch head

Joint lever

Door release
lever

Latch lever

25

1. CARRY OUT 3D CHECKS.
2. Remove four (4) screws holding the upper and lower

oven hinge to the oven cavity.

3. Remove door assembly with upper and lower oven

hinges by pulling it forward.

4. On re-installing new door assembly, secure the upper

and lower oven hinges with the four (4) mounting
screws to the oven cavity. Make sure the door is
parallel with bottom line of the oven face plate and the
latch head pass through the latch holes correctly.

5. CARRY OUT 4R CHECKS.
Note:

After any service to the door, the approved
microwave survey meter should be used to assure
in compliance with proper microwave radiation
standards. (Refer to Microwave Measurement
Procedure.)

When removing and/or loosening hinges such as in door
replacement, the following adjustment criteria are taken.
Door is adjusted to meet the following three conditions by
keeping screws of hinge loose.
1. Adjust door latch heads at a position where they

smoothly catch the latch hook through the latch holes.
Refer to latch switch adjustments.

2. Deviation of the door alignment from horizontal line of

cavity face plate is to be less than 1.0mm.

3. The door is positioned with its face depressed toward

the cavity face plate.

4. Reinstall outer case and check for microwave leakage

around the door with an approved microwave survey
meter. (Refer to Microwave Measurement Proce-
dure.)

UPPER
OVEN 
HINGE

LOWER
OVEN 
HINGE

DOOR 
ASSEMBLY

LATCH HEADS

OUTER CASE
CABINET

1. Insert an iron plate (thickness of about 0.5mm or flat

type screw driver to the gap between the choke cover
and door panel as shown figure to free the engaging
part. The protect sheet may be used not to damage
the door panel.

2. Lift up the choke cover, now cove is free.

DOOR
PANEL

CHOKE
COVER

FLATE TYPE
SCREW DRIVER

PROTECTION 
BY TAPE

LOWER
OVEN HING

UPPER
OVEN HING

Remove the door assembly, referring to from item 1
through item 3 of “DOOR REPLACEMENT”.
1. Place the door assembly on a soft cloth with facing up.

2. Remove the choke cover, referring to “CHOKE COVER

REMOVAL”.

3. Release the oven hinges from the door panel.
4. Now, the  oven hinges are free.

5. Remove the two (2) screws holding the door handle to

door.

6. Remove the door handle from the door panel.

(UPPER AND LOWER LATCH HEADS REMOVAL)
7. Remove the door release lever from the door assem-

bly.

8. Remove the three (3) screws holding the joint plate to

the door panel.

9. Release the latch spring from the tab of the joint lever

and joint plate.

10.Release the latch heads from joint lever and joint plate.
11.Now, the latch heads are free.

12.Set the four (4) tabs of the door frame upright.
13.Remove the door frame from the door panel. Now,

door frame is free.

14.Remove the four (4) screws holding the two (2) outside

window fixing plates to the door panel.

15.Now, the door glass is free.

25

1. CARRY OUT 3D CHECKS.
2. Remove four (4) screws holding the upper and lower

oven hinge to the oven cavity.

3. Remove door assembly with upper and lower oven

hinges by pulling it forward.

4. On re-installing new door assembly, secure the upper

and lower oven hinges with the four (4) mounting
screws to the oven cavity. Make sure the door is
parallel with bottom line of the oven face plate and the
latch head pass through the latch holes correctly.

5. CARRY OUT 4R CHECKS.
Note:

After any service to the door, the approved
microwave survey meter should be used to assure
in compliance with proper microwave radiation
standards. (Refer to Microwave Measurement
Procedure.)

When removing and/or loosening hinges such as in door
replacement, the following adjustment criteria are taken.
Door is adjusted to meet the following three conditions by
keeping screws of hinge loose.
1. Adjust door latch heads at a position where they

smoothly catch the latch hook through the latch holes.
Refer to latch switch adjustments.

2. Deviation of the door alignment from horizontal line of

cavity face plate is to be less than 1.0mm.

3. The door is positioned with its face depressed toward

the cavity face plate.

4. Reinstall outer case and check for microwave leakage

around the door with an approved microwave survey
meter. (Refer to Microwave Measurement Proce-
dure.)

UPPER
OVEN 
HINGE

LOWER
OVEN 
HINGE

DOOR 
ASSEMBLY

LATCH HEADS

OUTER CASE
CABINET

1. Insert an iron plate (thickness of about 0.5mm or flat

type screw driver to the gap between the choke cover
and door panel as shown figure to free the engaging
part. The protect sheet may be used not to damage
the door panel.

2. Lift up the choke cover, now cove is free.

DOOR
PANEL

CHOKE
COVER

FLATE TYPE
SCREW DRIVER

PROTECTION 
BY TAPE

LOWER
OVEN HING

UPPER
OVEN HING

Remove the door assembly, referring to from item 1
through item 3 of “DOOR REPLACEMENT”.
1. Place the door assembly on a soft cloth with facing up.

2. Remove the choke cover, referring to “CHOKE COVER

REMOVAL”.

3. Release the oven hinges from the door panel.
4. Now, the  oven hinges are free.

5. Remove the two (2) screws holding the door handle to

door.

6. Remove the door handle from the door panel.

(UPPER AND LOWER LATCH HEADS REMOVAL)
7. Remove the door release lever from the door assem-

bly.

8. Remove the three (3) screws holding the joint plate to

the door panel.

9. Release the latch spring from the tab of the joint lever

and joint plate.

10.Release the latch heads from joint lever and joint plate.
11.Now, the latch heads are free.

12.Set the four (4) tabs of the door frame upright.
13.Remove the door frame from the door panel. Now,

door frame is free.

14.Remove the four (4) screws holding the two (2) outside

window fixing plates to the door panel.

15.Now, the door glass is free.