Sharp R-580D, Service Manual

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R-580D
26
Sealer film
Backing film
Adhesive tape
DOOR PANEL
1. CARRY OUT 3D CHECKS.
2. Remove outer case.
3. Remove the door from the oven. Refer to "DOOR
REPLACEMENT".
4. The choke cover should have been removed.
5. Remove the seven (7) screws holding the door panel
to the door screen.
6. Now, door panel is free.
HANDLE
7. Remove the two (2) screws holding the handle
mounting angle to the handle through the door screen.
8. Now, the handle is free.
LATCH HEAD AND LATCH SPRING
7. Slide the latch head and remove it from the door
frame with releasing the latch spring from the door
frame and the latch head.
8. Now, the latch head and the latch spring are free.
CPU UNIT
7. Remove the two (2) screws holding the PWB cover to
the door screen.
8. Releasing the two (2) tabs, remove the PWB cover
from the door screen.
9. Disconnect the wire harness from the CPU unit.
10.Disconnect the ribbon cable of the key unit from the
CPU unit.
11.Remove the two (2) screws holding the LCD holder to
the door screen.
12.Remove the LCD holder from the door screen. Release
the four (4) tabs.
13.Release the LCD of the CPU unit from the LCD holer.
14.Remove the two (2) screws holding the CPU unit to te
LCD holder.
15.Remove the CPU unit from the LCD holder. Release
the four (4) tabs.
16.Now the CPU unit is free.
DOOR FRAME AND DOOR SCREEN ASSEMBLY
17.Remove the handle from the door screen assembly.
Refer to the chapter of HANDLE.
18.Releasing the four (4) tabs, remove the door frame
from the door screen assembly
19.Now, the door frame and the door screen assembly is
free.
INDIVIDUAL DOOR PARTS REMOVAL
NOTE: For 12-pin wire harness
Before the door panel is reinstalled to the door
screen assembly, make sure that the 12-pin wire
harness is held by the five (5) pairs of tabs on the
door screen as shown in Figure C-9.
Figure C-9. Routing of 12-pin wire harness
NOTE: For key sheet
1. Before attaching a new key sheet, wipe off
remaining adhesive on the door screen surfaces
completely with a soft cloth soaked in alcohol.
2. When attaching the key sheet to the door screen,
adjust the upper edge and left edge of the key
sheet to the correct position of door screen.
3. Stick the key sheet firmly to the door screen by
rubbing with a soft cloth so not to scratch.
NOTE: For CPU unit
Handle the CPU unit carefully so that the ribbon
cable does not come off. Because the ribbon cable
is glued onto the LCD and the printed wiring board
only by heated paste.
Figure C-10. CPU unit
PWB Cover
Tabs Tabs
Tabs
Tabs Tabs
Door screen
12-pin wire harness
SEALER FILM
Installation
1. Put the adhesive tape on the backing film of the sealer
film as shown in Fig. C-8.
2. Tear the backing film by pulling the adhesive tape.
3. Put the pasted side of the sealer film on the door panel.
Figure C-8. Sealer film
Printed wiring board
of CPU unit
Liquid Crystal
Display (LCD)
Ribbon cable