Sharp R-930AW Component Replacement And Adjustment Procedure, Outer Case Removal, ners

R-930AK

R-930AW

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

CAUTION: DISCONNECT OVEN FROM POWER SUPPLY BEFORE REMOVING OUTER CASE.

DISCHARGE HIGH VOLTAGE CAPACITOR BEFORE TOUCHING ANY OVEN COMPONENTS OR WIRING AFTER REMOVING OUTER CASE.

WARNING FOR WIRING

To prevent an electric shock, take the following man-				3) Sharp edge:
ners.				Bottom plate, Oven cavity, Weveguide flange,
1.	Before wiring,			Chassis support and other metallic plate.
	1)	Disconnect the power supply.		4) Movable parts (to prevent a fault)
	2)	Open the door and wedge the door open.		Fan blade, Fan motor, Switch, Switch lever, Open
	3)	Discharge the high voltage capacitor and wait for 60		button.
		seconds.	3.	Do not catch the wire leads in the outer case cabinet.
2.	Don’t let the wire leads touch to the followiong parts;		4.	Insert the positive lock connector certainly until its pin
	1)	High voltage parts:		is locked. And make sure that the wire leads should not
		Magnetron, High voltage transformer, High voltage		come off even if the wire leads is pulled.
		capacitor and High voltage rectifier assembly.	5.	To prevent an error function, connect the wire leads
	2)	Hot parts:		correctly, referring to the Pictorial Diagram.
		Oven lamp, Magnetron, High voltage transformer
		and Oven cavity.

OUTER CASE REMOVAL

To remove the components, procedure as follows.

1.Disconnect oven from power supply.

2.Remove screws from rear and along the side edge of case.

3.Slide the entire case back out about 1 inch (3 cm) to free

it from retaining clips on the cavity face plate.

4. Lift entire case from the unit.

CAUTION: DISCONNECT OVEN FROM POWER SUP- PLY BEFORE REMOVING OUTER CASE.

OUTER CASE SWITCHES REPLACEMENT

Removal

1.Disconnect the oven from the power supply and remove the outer case.

2.Discharge high voltage capacitor.

3.Remove the one (1) screw holding the switch holder to the oven cavity rear plate.

4.Release the one (1) tab of the switch holder from the one

(1) hole of the oven cavity plate.

5.Disconnect the wire leads from the outer case switches.

6.Remove the switch holder (outer case switch assembly) from the oven cavity rear plate.

7.Push on the one (1) retaining tab holding the outer case switch.

8.Turn the outer case switch clockwise around the pole.

9.Now, the outer case switch is free.

NOTE: Do not lose the actuator because it will be loose after the outer case switches are removed.

Re-install

1.Re-install the actuator to the switch holder by inserting the tab of the actuator into the square hole on the switch holder, as shown in Figure C-1.

2.Re-install the outer case switches to the switch holder, as shown in Figure C-1.

3.Re-connect the wire leads to the outer case switches, referring to the Pictorial diagram.

4.Re-install the one (1) snap of the main wire harness to the hole of the switch holder.

5.Catch the one (1) tab of the switch holder to the one (1) hole of the oven cavity rear plate.

6.Re-install the switch holder (outer case switch assembly) to the oven cavity rear plate with the one (1) screw.

7.Re-install the outer case cabinet and check that the oven is operating properly.

Outer case

switch

Actuator

Switch holder

Outer case switch

Figure C-1. Outer case switches replacement

POWER TRANSFORMER REMOVAL

1.Disconnect oven from power supply and remove outer case.

2.Discharge high voltage capacitor.

3.Disconnect filament leads of transformer from the magnetron and capacitor.

4.Disconnect high voltage lead of capacitor from the

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