Sharp R-501FK, Руководство по обслуживанию

Страница: 28 / 44

26
R - 5 0 1 F K
R - 5 0 1 F W
1. Disconnect the power supply cord.
2. Remove turntable and turntable support from oven cavity.
3. Lay the oven on it's backside. Remove the turntable motor
cover by snipping off the material in four corners.
4. Where the corners have been snipped off bend corner
areas flat. No sharp edges must be evident after removal
of the turntable motor cover.
TURNTABLE MOTOR REMOVAL
5. Disconnect wire leads from turntable motor.
(See "Positive lock connector removal")
6. Remove one (1) screw holding turntable motor to oven
cavity.
7. Now the turntable motor is free.
8. After replacement use the one (1) screw to fit the turntable
motor cover.
Installation
1. Remove remaining adhesive on the control panel frame surfaces with a soft cloth soaked in alcohol.
2. Make sure that the LCD sheet and the liquid crystal display is installed in position.
3. Remove the backing paper from the new membrane switch and ribbon cable.
4. Insert the ribbon cable of the membrane switch into the slit of the control panel frame.
5. Adjust the upper edge and right edge of the membrane switch to the small depression on the surface of the control panel
frame.
6. Attach the membrane switch to the control panel frame by rubbing with a soft cloth not to scratch.
7. Remove the backing paper from the new graphic sheet.
8. Adjust the upper edge and right edge of the graphic sheet to the large depression on the surface of the control panel frame.
9. Attach the graphic sheet to the control panel frame by rubbing with a soft cloth not to scratch.
10. Attach the ribbon cable to the control panel frame rear side.
11. Place the edge of the membrane switch’s ribbon cable on the lower portion of the liquid crystal display.
12. Insert the rubber connector into the long slit on the control panel frame.
13. Reinstall the control unit to the control panel frame with the three (3) screws.
NOTE:
Do not touch the conductor portions of the ribbon cable (edge) and the rubber connector with a finger directly not to
be oxidized.
If display digits are missing or scrambled, remove control unit and rubber connector and clean contact surface with
alcohol.
(* Heat gun will soften adhesive)
Figure C-XXX Graphic Sheet and Membrane Switch Replacement
R ubber connector C onductor portions
C onductor
portion
R ibbon cable
of membrane
s witch
Liquid crys tal
dis play
Liquid crys tal
dis play
R ibbon
cable
S mall
depres s ion
S mall
backing
paper
Large
depres s ion
G raphic
s heet
Membrane
s witch
LC D s heet
C ontrol panel frame
(R ear s ide)
C ontrol panel frame
Long s lit
S lit