Disassembly Procedures
!WARNING
To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure.
CN1 | Main power connector |
CN2 | Primary switch |
CN5 | Humidity sensor (some models) |
FPC (S1) | Ribbon connector for key panel |
Relay 2 | Relay connector |
Screw
Control Panel
| Circuit |
| Board |
(CN5) |
|
(CN2) | CN5 |
FPC |
|
connector | CN2 |
| Relay 2 |
Power |
|
Transformer |
|
| CN1 |
ACO1840*, ACO1860*, JMV8196*,
MMV4184*, and MMV5186*
P.C. Board Removal
1.Disconnect oven power and remove grille, (see "Grille" procedure).
2.Remove control panel, (see "Control Panel" procedure).
3.Discharge high voltage capacitor, (see "High Voltage Capacitor" procedure).
4.Disconnect ribbon connector by sliding top part of connector upward. Once in released position remove ribbon from connector by siding ribbon
NOTE: Caution should be used when removing cable from connector. Ribbon cable has two holes which connector locks ribbon in place.
5.Disconnect and mark the wire connectors from p.c. board.
6.Remove screws securing p.c. board to control panel assembly.
7.Reassemble in reverse order.
NOTE: Do not flex p.c. board.
Control Key Panel
The key panel has one ribbon connection on the p.c. board.
The key panel pads can be checked through a continuity test. Operations of key pad can be checked by measuring connections at end of ribbon, (using high ohms scale).
Plastic fastener
Hook
Holes
F.P.C.
connector
Terminal socket
Control Key Panel Removal
1.Disconnect power to oven.
2.Remove control panel, (see "Control Panel" section).
3.Discharge high voltage capacitor, (see "High Voltage capacitor section).
4.Disconnect ribbon connector by sliding top part of connector upward. Once in released position remove ribbon from connector by siding ribbon
NOTE: Caution should be used when removing cable from connector. Ribbon cable has two holes which connector locks ribbon in place.
5.Peel failed key pad off and replace with new key pad.
6.Reassemble in reverse order.
Outer Case
NOTE: This procedure requires removal of unit.
1.Disconnect power to oven and remove grille, (see "Grille" procedure).
2.Remove oven door, (see "Door Removal" procedure).
3.Remove screws securing air duct to outer case.
4.Remove screws securing outer case to the chassis.
5.Remove screws securing vent plate to outer case.
6.Remove screw securing power cord cover to outer case and remove power cord cover (if equipped).
7.Slide outer case towards the rear of the unit, guide power cord though outer case power cord hole.
8.Place outer case to the side, so no damage will occur to the case.
16021668 Rev. 0 | 20 | ©2002 Maytag Appliances Company |
