Maytag UMC1071AAB/W Service Manual
Download Service manual of Maytag AMC4080AAB/W/Q/S Microwave Oven for Free or View it Online on All-Guides.com. This version of Maytag AMC4080AAB/W/Q/S Manual compatible with such list of devices, as: AMC4080AAB/W/Q/S, AMC5143AAB/W/Q/S, MMC5080AAB/W/Q/S, MMC5193AAB/W/Q/S, UMC1071AAB/W
Brand: Maytag
Category: Microwave Oven
Type: Service manual
Model: Maytag AMC4080AAB/W/Q/S , Maytag AMC5101AAB/W/Q/S , Maytag AMC5143AAB/W/Q/S , Maytag MMC5080AAB/W/Q/S , Maytag MMC5193AAB/W/Q/S , Maytag UMC1071AAB/W
Pages: 53
Disassembly Procedures
To avoid the risk of electrical shock, personal injury or
death; disconnect power to oven and discharge
capacitors before following any disassembly procedure.
©2004 Maytag Services 16022923 Rev. 0 21
WARNING
!
Control Key Panel Removal
1. Disconnect power to unit and remove outer case,
see "Outer Case" 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 connector
upward. Once in released position, remove ribbon
from connector by sliding side-to-side.
NOTE: Caution should be used when removing cable
from connector. Ribbon cable has two holes
which connector locks ribbon in place.
5. Reassemble in reverse order.
Interlock Door Latch Switches
Primary switch is operated by top latch pawl.
Interlock Switch Removal
1. Disconnect power to unit and remove outer case,
see "Outer Case" procedure.
2. Remove control panel, see "Control Panel"
procedure.
3. Discharge high voltage capacitor, see "High Voltage
Capacitor" procedure.
4. Test interlock switches before removing, see "Testing
Procedures."
5. Disconnect and label wire connections.
6. Remove interlock switch or latch board assembly by
applying pressure to both sides of the switch
mounting tabs (two near the front, two near the rear).
7. Gently remove the switch mechanism.
8. Reassemble in reverse order.
Primary
Interlock
Switch
Interlock
Monitor
Switch
Door
Sensing
Switch
Lever Switch
Body Latch
CAUTION!
Before replacing a blown monitor fuse, test both
interlock switches, monitor switch and power relay
contacts for proper operation. If the monitor fuse is
blown by a failed switch operation, all switches and
the printed circuit board must be replaced.
P.C. Board
The p.c. board is located on the back of the control
panel near the top. This board has up to five connection
plugs which control the main power, relays and the
ribbon connector for the key panel.
P.C. Board Removal
1. Disconnect power to unit and remove outer case,
see "Outer Case" 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 released, remove ribbon
from connector by sliding side-to-side.
NOTE: Caution should be used when removing cable
from connector. Ribbon cable has two holes
which the connector locks the ribbon in place.
5. Disconnect / mark 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, and 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
Holes
Hook
Terminal
socket
F.P.C.
connector