Read Sharp R-86STMA (serv.man11) Service Manual online
R86STMA
11 – 5
[13] BOTTOM HEATING ELEMENTS REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the turntable motor cover from the base plate, referring to
“TURNTABLE MOTOR REPLACEMENT”.
3. Disconnect the wire leads from the bottom heating element.
4. Remove the two (2) nuts holding the heater cover and heater pack-
ing to the bottom heater.
5. Remove the heater cover and the heater packing from the bottom
heating element.
6. Remove the two(2) nuts holding the bottom heating element to the
oven cavity.
7. Remove the bottom heating element from the oven cavity.
[14] CONTROL PANEL ASSEMBLY REMOVAL
1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads and the connectors from the control unit.
3. Remove the one (1) screw holding the control panel assembly to
the oven cavity front plate.
4. Lift up the control panel assembly and pull it forward.
Now the control panel assembly is free.
[15] GRAPHIC SHEET AND MEMBRANE SWITCH REPLACEMENT
1. REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly, referring to chapter of CON-
TROL PANEL ASSEMBLY REMOVAL.
3. Disconnect the ribbon cable of the membrane switch from the con-
nector (CN-G) on the control unit.
4. Tear away the graphic sheet from the control panel frame.
5. Tear away the membrane switch from the control panel frame.
2. REINSTALL
1. Remove remaining adhesive on the control panel frame surfaces
with a soft cloth soaked in alcohol.
2. Tear the backing paper from the new membrane switch.
3. Insert the ribbon cable of the membrane switch into the slit of the
control panel frame.
4. Adjust the upper edge and right edge of the membrane switch to
the small depression on the surface of the control panel frame.
5. Attach the membrane switch to the control panel frame by rubbing
with a soft cloth not to scratch.
6. Tear the backing paper from the new graphic sheet.
7. Adjust the upper edge and right edge of the graphic sheet to the
large depression on the surface of the control panel frame.
8. Attach the graphic sheet to the control panel frame by rubbing with
a soft cloth not to scratch.
9. Connect the ribbon cable of the membrane switch to the connector
(CN-G) on the control unit.
Figure C-5. Graphic Sheet and Membrane Switch Replacement
[16] MONITORED LATCH SWITCH, MONITOR SWITCH AND STOP SWITCH REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly referring to “CONTROL
PANEL ASSEMBLY REMOVAL”.
3. Remove the open lever from the oven cavity front plate by remov-
ing the control panel assembly.
4. Disconnect the leads from all switches.
5. Remove the two (2) screws holding the latch hook to the oven cav-
ity.
6. Remove the latch hook.
7. Remove the switch(es) from the latch hook by pushing the retaining
tab backwards slightly and turning the switch(es) on the post.
8. Now the switch(es) is free
Figure C-5. Switches
Small depression
Control panel frame
Slit
Membrane switch
Ribbon cable
Large
depression
depression
Graphic sheet
MONITOR SWITCH
STOP SWITCH
MONITORED
LATCH SWITCH
TAB
TAB
Post
Post
Post
TAB
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