Cpu Unit Circuit - Electrolux E30SO75FPSA Service Manual

E30SO75FPSA
CHOKE COVER
8. Insert a putty knife (thickness of about 0.5 mm) into
the gap between the choke cover and the door panel
assembly as shown in Figure C-5.
9. Lift up the choke cover.
0. Now, the choke cover is free from the door panel
assembly.
NOTE: When carrying out any repair to the door, do
not bend or wrap the slit choke (tabs on the
door panel assembly) to prevent microwave
leakage.
DOOR HANDLE ASSEMBLY
. Remove the two (2) screws holding the door handle
assembly to the door panel assembly through the door
frame.
2. Now, the door handle is free.
DOOR PANEL ASSEMBLY, LATCH HEAD R AND
LATCH HEAD L
3. Remove the fourteen (4)
panel assembly to the door frame.
4. Remove the door panel assembly from the door frame.
5. Remove the one () screw holding the latch head R to
the door panel assembly.
6. Remove the latch spring R from the latch head R and
the handle lever.
7. Now, the latch head R is free.
8. Remove the one () screw holding the latch head L to
the door panel assembly.
9. Remove the latch spring L from the latch head L and the
handle lever.
20. Now, the latch head L is free.
2. Release the two (2) handle springs from the two (2)
CONTROL PANEL ASSEMBLY AND CPU UNIT REMOVAL
Control panel assembly
. Disconnect the power supply cord.
2. Remove the outer case cabinet, referring to "OUTER
CASE CABINET REMOVAL".
3. Open the oven door and block it open.
4. Discharge the high voltage capacitor.
5. Disconnect the 9-pin & 4-pin harness from the
connectors CN-J and CN-H on the power unit.
6. Remove the four (4) screws holding the control panel
assembly to the oven cavity front plate.
7. Insert a flat edge screw driver or simular object to release
the Locking Tabs on bottom of Panel angle (Fig. C-6).
8. Slide the control panel assembly leftward to release the
eight (6) tabs of the control panel assembly from the
oven cavity front plate.
9. Now, the control panel assembly is free.
CPU unit
0. Disconnect the 4-pin (CNK), 9-pin (CNL) & 0-pin
(CNM) harness from the connectors. CN-J and CN-H
on the power unit.
. Remove the eight (8) screws holding the CUP unit to the
panel sub assembly.
2. Now, the CPU unit is free.
screws holding the door
40
handle levers.
22. Pull out the two (2) handle pins from the two (2) handle
levers.
23. Remove the two (2) handle levers from the door panel.
24. Now, the door panel is free.
MIDDLE DOOR GLASS
25. Remove the two (2) screws holding the glass mounting
angle B to the door frame.
26. Remove the middle door glass from the door frame.
27. Now, the middle door glass is free.
FRONT DOOR GLASS
28. Remove each two (2) screws holding the two glass
mounting angles A to the door frame.
29. Remove the two (2) glass mounting angles A from the
door frame.
30. To release the two (2) tabs holding the lower end of the
front door glass, slide the front door glass upward.
3. Release the three (3) tabs holding the upper end of the
front door glass and remove the front door glass from
the door frame.
32. Now, the front door glass is free.
Choke
Cover
Putty Knife
Figure C-5. Door Disassembly
NOTE: After the panel angle is removed from the panel
sub assembly, it is can be found that the bottom
side of the panel sub assembly is melted and
transformed by heat. But it is not abnormal and
no problem to use the oven.
Reassembling note: When reassembling the Control
Panel assembly, be sure and
lock the (Locking Tabs) back into
place to prevent any gaps.
Tabs
Screw
CPU
Screw
Panel angle
Top
Bottom
Figure C-6. Panel Angle Removal
Door Panel
Assembly
Door
Frame
Panel sub assembly
Locking tabs