R-27STMA (serv.man11). Component Replacement And Adjustment Procedure - Sharp Home Appliance Service Manual (repair manual). Page 4

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R27STMA
11 – 4
[9] POWER SUPPLY CORD REPLACEMENT
1. REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the single (1) screw holding the green/yellow wire to the
oven cavity back plate.
3. Disconnect the leads of the power supply cord from the noise filter,
referring to the Figure C-3(a).
4. Release the moulding cord stopper of the power supply cord from
 the square hole of the oven cavity back plate, referring to the Fig-
ure C-3 (b).
5. Now, the power supply cord is free. 
2. REINSTALL
1. Insert the moulding cord stopper of power supply cord into the
square hole of the rear cabinet, referring to the Figure C-3 (b).
2. Install the earth wire lead of power supply cord to the oven cavity
back plate with one (1) screw and tight the screw.
3. Connect the brown and blue wire leads of power supply cord to the
noise filter correctly, referring to the Pictorial Diagram.
                    Figure C-3(a) Power Supply Cord Replacement                                      
        Figure C-3(a) Figure C-3(b) Power Supply Cord Replacement
[10] CONTROL PANEL ASSEMBLY REMOVAL
1. CARRY OUT 3D CHECKS.
2. Disconnect the leads from the control unit.
3. Remove the one (1) screw holding the control panel to the front
panel of the oven cavity.
4. Lift up the control panel assembly and release it from the oven cav-
ity.
5. Now, the control panel assembly is free.
[11] SECONDARY INTERLOCK SWITCH, DOOR SENSING SWITCH AND MONITOR SWITCH
ADJUSTMENT
1. REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly, referring to section of CON-
TROL PANEL ASSEMBLY REMOVAL.
3. Disconnect wire leads from the switches.
4. Remove two (2) screws holding latch hook to oven flange.
5. Remove latch hook assembly from oven flange.
6. Push outward on the two (2) retaining tabs holding switch in place.
7. Switch is now free.
2. REINSTALL
1. Re-install each switch in its place. The secondary interlock switch
and the monitor switch are in the lower position and the door sens-
ing switch is in the upper position
2. Secure latch hook (with two (2) mounting screws) to oven flange.
3. Re-connect wire leads to each switch. Refer to pictorial diagram.
4. Reinstall the control panel assembly to the oven cavity.
5. Reconnect wire leads to the control unit, referring to the pictorial
diagram. 
6. Make sure that the monitor switch is operating properly and check
continuity of the monitor circuit. Refer to chapter “Test Procedure”
and Adjustment procedure.
[12] SECONDARY INTERLOCK SWITCH, DOOR SENSING SWITCH AND MONITOR SWITCH
ADJUSTMENT
1. Adjustment
1. CARRY OUT 3D CHECKS.
If the secondary interlock switch, door sensing switch and monitor
switch do not operate properly due to a misadjustment, the following
adjustment should be made.
2. Loosen the two (2) screws holding latch hook to the oven cavity
front flange.
3. With door closed, adjust latch hook by moving it back and forth,
and up and down. In and out play of the door allowed by the upper
and lower position of the latch hook should be less than 0.5mm.
The vertical position of the latch hook should be adjusted so that
the secondary interlock switch and door sensing switch are acti-
vated with the door closed. The horizontal position of the latch hook
should be adjusted so that the plunger of the monitor switch is
pressed with the door closed.
4. Secure the screws with washers firmly.
N
L
Power Supply
Cord
Oven Cavity
Back Plate
Screw
Green/Yellow
Wire
Brown Wire
Blue
Wire
Noise Filter
WHT
RED
P ower S upply
C ord
O ven C avity
B ack P late
S quare
Hole
Moulding
C ord S topper
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