R-770AM - Sharp Home Appliance Service Manual (repair manual). Page 4

3

770AM -

OVEN
1. Control panel
2. Oven lamp
3. Grill heating element (Top Grill)
4. Door opening button
5. Waveguide cover
6. Oven cavity
7. Turntable motor shaft
8. Grill heating element

(Bottom Heater)

9. Door seals and sealing surfaces
10.Ventilation openings
11.Outer cabinet
12.Power supply cord

1

4

10

11

12

5

6

7

2

3

8

9

10

Turntable 

Turntable
support 

High rack

Low rack

Turntable 
motor shaft 

Bottom 
heater

1. Ensure that the bottom heater is in the lowest

position as shown the figure. As it is possible to
move it up and down to help with cleaning.

2. Place the turntable support over the turntable

motor shaft on the floor of the cavity.

3. Then place the turntable on to the turntable sup-

port.

10

11

12

WARNING: Before carrying out any work carry out 3D checks

1) Disconnect the supply.

2) Door opened, and wedged open.

3) Discharge high voltage capacitor.

Ensure the following:

1.

Wires must not touch:

a)

High voltage parts.
(Magnetron, high voltage transformer, high voltage capacitor and high voltage rectifier assembly)

b)

Parts that become hot.
(Heating elements, oven lamp, oven cavity magnetron and high voltage transformer)

c)

Sharp edges.
(Bottom plates, oven cavity, waveguide flange, chassis support and other metallic parts)

d)

Movable parts.
(Fan blade, any motor, switch, switch lever and open button)

2.

Positive lock connectors are fitted correctly.  Ensure the locking pin is located correctly.

3.

Wires are connected correctly as per pictorial diagram.

4.

No wire leads are trapped by the outer wrap.