Control Board Assembly Bracket; High Voltage Circuit Board; Auto Transformer; Triacs - Amana AMH20 Service Manual

Disassembly
To avoid the risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitors
before following any disassembly procedure.

Control Board Assembly Bracket

1. Remove back panel, see "Back Panel" procedure
(page 33).
2. Remove inlet duct assembly, see "Inlet Duct Assembly"
procedure.
3. Disconnect wire harness from plastic clips.
4. Slide bracket towards the center of the unit.
5. Raise bracket up and pull outward towards the rear of
unit to remove.
6. Reverse procedures to reassemble.
Convection
Capacitor
Triac(s)

High Voltage Circuit Board

1. See "Component Location" Figure 2, page 33.
2. Remove outer case, see "Outer Case" procedure.
3. Disconnect and label connectors and wire terminals
from H.V. Board.
4. Release mounting clips securing board and remove
board.
5. Reverse procedure to reassemble.
Clip
Pin 1
E6 E7
J4
Pin 1
J3
Pin 1
E4
E5
J2
Clip Clip
Pin 1
NOTE: When reassembling, verify cable connection with
illustration of cable locations.
©2006 Maytag Services
!
H.V.
Board
Power
Relay
Auto
Transformer
Pin 1
Clip
J7
Pin 1 J8
J6
Pin 1
J5
Pin 50
Pin 28
E3
E1
E2
J1
Clip
Pin 1
16023463
WARNING
Auto Transformer (60 Hz Models Only)
1. Remove back panel, see "Back Panel" procedure
(page 33).
2. Disconnect and label wire terminals from auto
transformer.
3. Remove screws securing auto transformer to power
assembly bracket.
4. Reverse procedures to reassemble.
Triacs (Figure 3, Page 33)
1. Remove back panel, see "Back Panel" procedure
(page 33).
2. Disconnect and label wire terminals from selected
triac.
3. Remove screws securing triac to power assembly
bracket.
4. Reverse procedures to reassemble.
Power Relay (Figure 3, Page 33)
1. Remove back panel, see "Back Panel" procedure.
2. Disconnect and label wire terminals from power relay.
3. Remove screws securing power relay to power
assembly bracket.
4. Reverse procedures to reassemble.
Convection Motor Capacitor (Fig 3, Page 33)
1. Remove outer case, see "Outer Case" procedure
2. Disconnect and label wire terminals from capacitor.
3. Remove screws securing capacitor bracket to power
assembly bracket.
4. Reverse procedures to reassemble.

Magnetron

1. See "Component Location" Figure 3, page 33.
2. Remove outer case, see "Outer Case" procedure.
3. Remove screws securing magnetron inlet cover and
remove cover.
4. Remove screws securing waveguide duct.
Clip
5. Remove wire terminals from magnetron.
6. Remove allen screws securing magnetron thermal
cutout bracket to magnetron.
7. Remove magnetron mounting nuts and remove front
magnetron cover bracket.
8. Remove magnetron.
9. When replacing magnetron, verify wire mesh gasket
is reinstalled properly.
NOTE: When reinstalling magnetron, slide air baffle
inside magnetron before mounting magnetron in
Clip
place.
NOTE: Place front magnetron cover bracket in place
before securing magnetron.
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