Wiring Diagram - Toshiba RAV-SM560XT-E Service Manual

4-1. Indoor Unit
WHI
10 10
BLU
9 9
BLU
8 8
BLU
7 7
BLU
6 6
1
BLU
5 5
BLU
4 4
BLU
3 3
BLU
2 2
BLU
1 1
CN25 CN13
BRW
RED
ORN
YEL
PNK
BLU
CN07
LOUVER
MOTOR
SIMPLE CHECK POINTS FOR DIAGNOSING FAULTS
Check items
OPERATION
1
indicator
Terminal
2
block
Fuse
3
6.3A
4
DC 5V
5
DC 12V

4. WIRING DIAGRAM

SWITCH PCB
MCC-1428B
CN101 1 2 3
FOR FLOAT SWITCH
When you use float
switch you should cut J401
1 2 3
CN100 CN402
1 2 3
10 10
POWER
9 9
4 SUPPLY
8 8
CIRCUIT
7 7
6 6
C02
5 5
4 4
DB01
3 3
2 2
1 1 R01
C01
5
1 1
2 2
3 3
4 4
5 5
6 6
C15
IC04
R507
R09
R21
FUSE
R22
250VAC
3
SG01
F01
T6.3A
P04
CN30
BLK
2
Check to see if OPERATION indicator goes on and off when the main switch
or breaker is turned on.
Check the power supply voltage between 1 - 2 (Refer to the name plate.)
Chack the fluctuate voltage between 2 - 3 (DC15 to 60V)
Check to see if the fuse blows out. (Check the varistor. : R22, R21)
Check the voltage at the No.8 pin on CN13 connector of the infrared receiver.
(Check the transformer and the power supply circuit of the rated voltage.)
Check the voltage at the brown lead of the louver motor.
(Check the transformer and the power supply circuit of the rated voltage.)
HEAT
EXCHANGER
SENSOR
(TCJ)
1 2
(OPTION)
1 2
1 2 CN05 1 2
J401
DC12V
IC03
DC5V
R506
CR502
CR501
RY501
C501
MCC-1428A
R405 CR401
RY401
CN23
CN31
GRN&YEL
INDOOR
TERMINAL
1 2 3
BLOCK
Diagnosis result
– 9 –
CN03
THERMO
BLK
SENSOR
2 2
BLK
(TA)
1 1
BLK
HEAT
2 2
BLK
EXCHANGER
1 1
SENSOR
CN01
(TC)
1 1
WHI WHI
2 2 1 1
3 3 2 2
4 4 3 3
RED RED
5 5 4 4
CN10 5 5
BLK BLK
6 6
3 3 3 3
BLU
BRW
2 2 2 2
PUR
GRY
1 1 1 1
GRY
YEL
CN11
100"C
3
FOR DRAIN PUMP
2
(OPTION)
1
CN401
INDOOR
UNIT
OUTDOOR
UNIT
GRN&YEL
FAN-MOTOR
Color
Identification
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
: GREEN&
YELLOW
GRN : GREEN
PURPLE
PUR :