Sharp R-2S56 - Component Replacement and Adjustment Procedure; Door Switch Adjustment

R-2S56
23
Re-install
1. Insert the moulding cord stopper of power supply cord
into the square hole of the rear cabinet, referring to the
Figure C-5 (b).
2. Install the earth wire lead of power supply cord to the
oven cavity with one (1) screw and tight the screw.
3. Connect the brown wire lead of power supply cord to the
fuse holder correctly, referring to the Pictorial Diagram.
POWER SUPPLY
CORD
OVEN CAVITY
BACK PLATE
GREEN/YELLOW WIRE
EARTH ANGLE
AND SCREW
BLUE WIRE
NOISE
FILTER
BROWN WIRE
OVEN CAVITY
Figure C-6. Power Supply Cord Replacement (for New
Zealand)
1ST.,2ND. LATCH SWITCH ,STOP SWITCH AND MONITOR SWITCH REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly referring to
"CONTROL PANEL REPLACEMENT".
3. Remove the switch lever from the oven cavity front plate
by making the tab of the oven cavity front plate flat.
4. Disconnect the leads from all switches.
5. Remove the two (2) screws holding the latch hook to the
oven cavity.
6. Remove the latch hook.
7. Remove the switch(s) from the latch hook by pushing the
retaining tab backwards slightly and turning the switch(s)
on the post.
8. Now, the switch(s) is free.
LATCH HOOK
1ST. LATCH SWITCH
2ND. LATCH SWITCH
Tab
Tab
Post
Post
Tab
Post
STOP SWITCH
Post
MONITOR SWITCH
Figure C-7. Switches
1ST., 2ND. LATCH SWITCH ,STOP SWITCH AND MONITOR SWITCH ADJUSTMENT
If the 1st latch switch, 2nd latch switch, stop switch and monitor
switch do not operate properly due to a mis-adjustment, the
following adjustment should be made.
1. CARRY OUT 3D CHECKS
2. Loosen the two (2) screws holding the latch hook to the
oven cavity front flange.
3. With door closed, adjust the latch hook by moving it back
and forward. In and out play of the door allowed by the
latch hook should be less than 0.5 mm. The horizontal
position of the latch hook should be placed where the
monitor switch and the stop switch have activated with
the door closed.
The vertical position of the latch hook should be placed
where the 1st and 2nd latch switches have activated with
the door closed.
4. Secure the screws with washers firmly.
5. Make sure of the 1st latch switch, 2nd latch switch, stop
switch and monitor switch operation. If those switches
have not activated with the door closed, two (2) screws
holding latch hook to oven cavity front flange and adjust
the latch hook position.
After adjustment, make sure of following:
1. In and out play of door remains less than 0.5 mm when
latched position. First check latch hook position, pushing
and pulling the door toward the oven face. The results
(play of the door) should be less than 0.5mm.
2. The monitor switch contacts close when the door is
opened. And the stop switch condacts open when the
door is opened.
3. The contacts (COM-NO) of the 1st and 2nd latch switches
open before the door can be opened.
4. Re-install outer case and check for microwave leakage
around the door with an approved microwave survey
meter. (Refer to Microwave Measurement Procedure.)
Figure C-8. Latch Switches Adjustment
LATCH HOOK
1ST. LATCH SWITCH
2ND. LATCH SWITCH
MONITOR SWITCH
LATCH
HEADS
SWITCH LEVER
DOOR OPEN BUTTON
DOOR
STOP SWITCH