Amana AXP20, Service Training Manual

Page: 81 / 82

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M
M
M
M
J1-1
L1 GND L2
CONV BLOWER
POWER SUPPLY
DISPLAY
BOARD
KEYPAD
DATAKEY
BOARD
VFD BOARD
ANTENNA MOTORS
J10-1
J10-2
J10-3
J10-4
+24VDC
TACH
PWM
GND
ST1-2
ST1-1
ST2-1 ST2-2 ST2-4 ST2-5
J3-F J3-E
J3-G
J3-H J3-I J3-J
J13
J12
J11 J2-3 J2-1
RADIANT
RTD
CONVECTION
RTD
MAG
TCOs
I2C
PORT
DATA
PORT
P4
P3
J3
P1
P1
J1-1
J1-3
J1-3
J2-6,7
J2-1,2
J4-2
F2
F1
CONTROL
SNUBBER
CONTROL
LIMITER
TC
CONTROL
CONTROL
COOLING
FAN
POWER RELAY
POWER
SUPPLY
CONTROL
CONTROL
RELAY BOARD
CONTROL
F5
F6
9
3
4
10 6
7
J7-1
J7-2
J5-6
J7-5
J7-6
J3-L
CONTROL
J2-3
J2-5
GND
+24VDC
U17
20041301
J14-2
J9-1
J8-7
J9-2
J4-1
G
T1 T2
TR1
J14-1
J8-8
U19
U8
K1
G
T1 T2
40ATR3
G
T1 T2
40ATR4
G
T1 T2
TR2
J9-3 J9-4
SECONDARY
INTERLOCK
PRIMARY
INTERLOCK
U10
U15
J5-1
J5-4
J5-3
J5-2
K2
J5-5
2
4
0 1
6
8
MONITOR
INTERLOCK
G
T1 T2
40ATR2
J8-2 J8-3 J8-1
U11
K3
J6-3
J6-1
J6-2 200
230
CONTROL
U14
K4
J6-6
J6-4
J6-5
200
230
G
T1 T2
40ATR1
J8-5 J8-6 J8-4
F3
T2
TO HV CIRCUIT
LEFT MAGNETRON
T1
TO HV CIRCUIT
RIGHT MAGNETRON
INTERLOCK POSITION
DOOR OPEN
MAGNETRON
T
RECTIFIER
CAPACITOR
RESISTOR
HV CIRCUIT (2 PLACES)
F4
J2-1
J1-1
J2-4
J1-2
RADIANT HEATER
(BOTTOM)
CONVECTION HEATER
(TOP)
+24VDC
GND
DELAY
CIRCUIT
FA
F
COM
COM
4
5
6
GND
+24VDC
N.O.
M
COOLING
FAN
J7-3
J7-4
J2-8