Mitsubishi Electric MR-B46Z-W-C Service Manual page 5

MR-B46Z-C
CONTROL BOARD
ELECT BOX
1
GRAY
RED
WHITE
SKY BLUE
6
VIOLET
BLACK
6
1 2 3 4 5 6
REFRIGERATOR
COMPARTMENT
1 2
1
REFRIGERATOR WHITE/BLUE
WHITE/RED
LED
4
R.THERMISTOR
ICE
COMPARTMENT
1 4
R./I./S.COMPARTMENT
DOOR SWITCH
1
WHITE/RED
SKY BLUE
2
F.COMPARTMENT DOOR SWITCH
FREEZER
COMPARTMENT
DEF.THERMISTOR
DEFROST HEATER 1
DEFROST HEATER 2
1
PINK
SKY BLUE
2
V.COMPARTMENT DOOR SWITCH
VEGETABLE
COMPARTMENT
V.THERMISTOR
2 2
VIOLET
LED BOARD IN
WHITE
VEGETABLE ROOM
1 1
C.THERMISTOR (Chilled thermistor)
I.THERMISTOR (Ice making compartment thermistor)
S.THERMISTOR (Versa compartment thermistor)
F.THERMISTOR (Freezer compartment thermistor)
TEMP. CONTROL BOARD (ON DISPLAY PANEL): (Operation P.C.
board)
R./I./S. COMPARTMENT DOOR SWITCH: Door switch (for refrigera-
tor compartment, ice compartment and versa compartment)
F.COMPARTMENT DOOR SWITCH: Door switch (for freezer compart-
ment)
V.COMPARTMENT DOOR SWITCH: Door switch (for vegetable com-
partment)
FAN MOTOR (COMPRESSOR): (BOX FAN)
FAN MOTOR (FREEZER): (Refrigerator fan motor)
I.THERMOPILE: Ice maker thermopile
OAH162
( ACTUAL WIRING DIAGRAM )
CN9S
30 29 28 26 25 24 23 22 21 18 16 14 13 12 11 10 9 8 7 6 5 4
3
2 2 3 3
5V
15
1 2
1 2 3 4 5 6 1 2 3 4 5
4
t°
M 1 4
R
WATER
MOTOR
CHILLED TANK PIPE
PUMP
DAMPER
HEATER HEATER HEATER
MOTOR
I/C
MOTOR
DAMPER
t°
VERSA
COMPARTMENT
S/V
MOTOR
DAMPER
t°
DUCT HEATER
THERMAL FUSE
(73ºC)
FAN MOTOR (FREEZER)
t°
SKY BLUE RED
1
BLUE GRAY
1
BLUE LIGHT GREEN
2
WHITE
WHITE
VIOLET
t°
GRAY
DRAIN PIPE HEATER
GRAY
WHITE
( When the doors are closed. )
CN5D
3 2 1 26 25 24 23 22 21 19 20 18 17 16 15 13 12 11 10
4 5
2
4 4
6
1 2 3 4 5 6
1 2 3 4
4
1 2
M
1 4
ICE
I.
GEAR BOX
THERMOPILE
t°
ICE TRAY
DETECTION SWICH
C.THERMISTOR
YELLOW BLUE BLUE
1 1
4
WHITE RED RED
2
RED WHITE SKY BLUE
3
BLUE WHITE WHITE/RED
4 4
YELLOW YELLOW
5
WHITE BRIGHT YELLOW
6
I.THERMISTOR
BLUE BLUE
1
RED RED
2
YELLOW WHITE SKY BLUE
3
1
4
WHITE WHITE WHITE/RED
4
RED YELLOW YELLOW
5
BLUE WHITE BRIGHT YELLOW
4 6
S.THERMISTOR
ICE
COMPARTMENT
GRAY GRAY
1
GRAY GRAY
2
GRAY YELLOW
3
WHITE VIOLET
4
WHITE SKY BLUE
5
WHITE BLUE
6
t°
F.THERMISTOR
RED VIOLET
1
WHITE YELLOW
2
BLACK BLACK
3
4
YELLOW BRIGHT YELLOW
4
M
WHITE SKY BLUE
1
WHITE PINK
2
BLUE BLACK
3
BLUE WHITE
4
WHITE WHITE
V.HEATER
SKY BLUE
1
YELLOW
2
BROWN
3
GRAY
4
RED
5
WHITE
6
V.THERMISTOR (Vegetable compartment thermistor)
DEF.THERMISTOR (Defrost thermistor)
R.THERMISTOR (Refrigerator compartment thermistor)
V.HEATER (Vegetable compartment heater)
LED BOARD IN VEGETABLE ROOM: Vegetable compartment LED
REFRIGERATOR LED: Interior LED
R.MOTOR DAMPER (Motor damper for refrigerator compartment)
S/V.MOTOR DAMPER (Motor damper for versa compartment and
vegetable compartment)
I./C.MOTOR DAMPER (Motor damper for ice making compartment
and chilled)
WATER PUMP MOTOR: Water supply pump motor
TANK HEATER (Water tank heater)
DEFROST HEATER 1: Defrost heater-1
DEFROST HEATER 2: Defrost heater-2
5
CN3A
CN2A CN4A
9 8 7 5 3 1 3 1 13 11 9 7 5
REACTOR
4 8 4
4
1 2
FAN MOTOR
(COMPRESSOR)
MACHINE CHAMBER
COMPARTMENT
PLUG
CN50G CN1A
5 3 1
1 5 3 1
3
3 4
1 2 3 4 5
4
3
M
1 3
MS
3~
COMPRESSOR
(VIEW FROM REAR LEFT SIDE)