Cook Condition - Amana AMH20 Service Manual

60 Hz Troubleshooting Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
SCHEMATIC CONDITION: DOOR CLOSED
L1
25A 25A
HEATER MAG
FUSE 2 FUSE 1
TEMP
LIMITER
2 6
4 8
CAUTION:
DO NOT REMOVE WIRE FROM TRIAC TERMINAL
T2 DURING TESTING. THIS WILL CAUSE
HV BOARD TO SHORT OUT.
INTERLOCK SWITCH SCHEMATIC
DOOR CLOSED
2 3 SECONDARY
4 5 PRIMARY
7 8 MONITOR
12
!

Cook Condition

208/230V 60HZ
GND
POWER BOARD
J8-1
POWER BO ARD
J8-2
J8-3
J1-1 J1-2
K1
J2-5
NO
MAG 2
TCO
E4
E5
K4
(208)
J3-3
NO
NC
J3-1
NO
K5
(230)
360 ½ W
RESISTOR
J2-1 J2-3
NO
J2-2 NO
K3
J2-4
NO
K2
RADIANT HEATER
(LH)
K7
J4-5 J4-6
NO
NC
J4-7
NO
K6
K9
(208)
E6 J4-1
E7 NO J4-2
NC
J4-3
NO J4-4
K8
(230)
W ARNING
L2
DATA KEY
BOARD
E1 E2/E3
CURRENT
SENSE
J5
J8-4 J8-6 J8-7
SHIELDED
CABLE
HALFWAVE
CONTROL
PROTECTION
RTD
TCO BOARD
NC
E5
RLY1
MAG 1
TCO
NC
RLY2
CONVECTION FAN
NO
M2
RLY1
AUTO TRANSFORMER
CAPACITOR
230 208
CONVECTION HEATER
(REAR)
RADIANT HEATER
(RH)
7 8
INTERLOCK
(M ONITO R)
POWER TRANSFORMER
230 208
16023463
CONTROL/TEMPERATURE
CONVECTION (FUSE 2)
MICROWAVE (FUSE 1)
UPPER
SPEAKER
SWITCH
J1-4 J1-2 J1-1
BOARD
J4
J2-4 J2-2 J2-1
DISPLAY
J1-3
4
BOARD
J5
5
J1-1
DOOR
INTERLOCK
(PRIMARY)
LOWER
SWITCH
E2
J7-6 J7-5 J7-5
POWER
BOARD
TRIAC (TR1)
G G
BLOWER
T2 T1
NO
(RIGHT)
RLY2
SNUBBER
120 COM
COOLING FAN
M1
M3
STIRRER
J7-4 J7-3 J7-3
POWER
BOARD
TRIAC (TR2)
G G
HEATER
T2 T1
(M IDDLE)
SNUBBER
INTERLOCK
(SECONDARY)
J7-2 J7-1 J7-1
POWER
BOARD
TRIAC (TR3)
G G
MAGNETRON
T1
T2
(LEFT)
COM
SNUBBER SNUBBER
DANGER
HIGH VOLTAGE
©2006 Maytag Services
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