Amana AMH20 Service Manual

Download Service manual of Amana AMH20 Microwave Oven for Free or View it Online on All-Guides.com. This version of Amana AMH20 Manual compatible with such list of devices, as: AMH20D, JBH202, P1330801M, P1331102M, P1331104M

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53
60 Hz Troubleshooting Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
12
16023463 ©2006 Maytag Services
Cook Condition
20 8
INTERLOCK SWITCH SCHEMATI C
DOOR CLO SED
2
4
7
3 SECONDARY
SC HEMATIC CO NDITI ON: DOO R CL OSE D
5 PRIMARY
8 MONITOR
DANGER
HIGH VOLTAGE
M1
UPP ER
SWITCH
J4
J8-7
J
6
J3-3
J2-3
J2-4
7 8
L2GNDL1
INTERLOC K
(SECONDAR Y)
SNU BBER
J7-2 J7-1
SNU BBER
J7-5
SNU BBER
J7-4 J7-3
G
G
G
T1
T2
T1T2
T2
TRIAC (TR3 )
MAGNETRO N
(LEF T)
TRIAC (TR2 )
HE ATER
(MIDDLE)
TRIAC (TR1)
BLOWER
(RIGH T)
PO WER BOARD
DISPLAY
BOAR D
20 8/230V 6 0HZ
CONVECTION HEATER
(REAR)
DO NOT REMOVE WIRE FROM TRIAC TERMINAL
T2 DURING TESTING. THIS WILL CAUSE
HV BOARD TO SHORT OUT.
CAUTION:
M2
RTD
5
J8-4 J8-6
SHIELDED
CABLE
4
J1-1
J1-3
J8-3
E1 E2/E3
POWER
BOARD
POWER
BOARD
POWER
BOARD
POWER BO ARD
DOOR
INTERLOCK
(PRIMARY)
LOWER
SWITCH
J5
J5
J4-1
J8-2
J8-1
COM
MAG 1
TCO
RA DIANT H EATER
(RH)
230
POWER TRANSFORMER
MAG 2
TCO
25A
HE ATER
FUSE 2
25A
MAG
FUSE 1
CAPACITOR
208 120
A
UTO TRANS FORMER
M3
STIRRER
COM230
CURRENT
SENSE
0
P
O
W
E
R
R
E
L
A
Y
C
O
I
L
8
6
4
2
2
3
J4-3
K9
(20 8)
K8
(230)
NO
NO
NC
K7
NO
NC
NO
NC
K5
(230)
NO
NO
K4
(20 8)
J3-1
J4-7
J1-2
J2-1
J2-5
K1
J4-6
COOLING FAN
CONVECTIO N FAN
INTERLOCK
(MONITO R)
E4
T1
CONTROL
TCO
NO
K2
NO
NO
J4-5
TEMP
LIMITER
J1-1
(LH)
J2-2
J4-2
J4-4
E6
E7
P
O
W
E
R
R
E
L
A
Y
K6
K3
E5
SPEA KER
BOARD
J2-1J2-2J2-4
J1-4 J1-2 J1-1
CONTROL/TEMPERATURE
CONVECTION (FUSE 2)
MICROWAVE (FUSE 1)
SNU BBER
J7-1
J7-6 J7-5
J7-3
G
G
G
E5
RLY1
RLY2
RLY1 RLY2
NC
NO
NC
NO
E2
NO
RADIANT HEATER
360 ½ W
RESISTO R
DATA KEY
BOARD
J
6
P
1
P
2
HALFWAVE
PROTEC TION
BOARD