Sharp R-22AM Service Manual page 37

for R-23AT
CONTROL UNIT AND CONTROL PANEL FRAME
(WITH KEY)
7. Remove three (3) screws holding the control panel
mounting angle to the panel frame.
8. Lift up the control panel mounting angle from the
panel frame.
9. Disconnect connector (G) from the control unit by
pushing the hooks of cable holder inwardly.
10.Remove six (6) screws holding the control unit to the
panel frame assembly.
11.Push down the right side two (2) hooks fixing the
control unit to the panel frame assembly, and lift up
the control unit upward.
12.Now, the control unit and control panel frame (with
key) are free.
CAUTION:
At installing control panel unit assembly to main
body set:
1. Ensure the installation of wiring-related parts
without negligence.
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. Remove the single (1) screw holding the earth wire of
power supply cord.
5. Remove the power supply cord.
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. Install the green/yellow wire of power supply cord with
the one (1) screw.
4. Re-install the cord bushing to the rear cabinet.
1ST LATCH, 2ND LATCH, 3RD LATCH, MONITOR, AND STOP SWITCHES REMOVAL
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 3rd. latch, stop 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
latch hook.
1ST, 2ND, 3RD LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH ADJUSTMENT
In case 1st latch switch, 2nd latch, stop switch, 3rd latch
switch and monitor switch do not operate properly due to
POWER SUPPLY CORD REPLACEMENT
35
2. When inserting key cable to main body set,
ensure them free from caught-in trouble. In
addition, when installing the control panel as-
sembly to base plate with screws, be sure of
pushing the control panel unit upward to fix with
screws firmly.
3. Do not allow any wire leads to come near the
varistor works, because it will explode and the
wire leads near by the varistor will be damaged.
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.
5. CARRY OUT 4R CHECKS.
Power supply cord
Screw
Green/Yellow
wire
Brown wire
Blue wire
Noise filter angle
Noise filter
Figure C-4. Power supply cord replacement
6. For 1st. latch and 2nd. latch switches removal
6-1. Disconnect the wire leads from the 1st latch and
2nd. latch switches.
6-2. Remove the single (1) screw and nut holding the
1st latch and 2nd. latch switches to the latch hook.
CAUTION: IF THE LATCH HOOK IS NEW, WHEN
THE 1ST LATCH SWITCH AND 2ND.
LATCH SWITCH ARE INSTALLED, THE
TWO (2) TABS OF THE LATCH HOOK
SHOULD BE BROKEN.
a mis-adjustment, the following adjustment should be
made.
R-22AM
R-23AM
R - 2 3 A T
Cord bushing
Power supply cord
Chassis support
Brown wire
Blue wire
Noise filter
Noise filter angle