Wiring Diagram - Toshiba RAS-10YKV-E Service Manual

4-1. Indoor Unit
RAS-10YKV-E, RAS-13YKV-E
INDOOR
TERMINAL
OUTDOOR INDOOR
UNIT
Check items
OPERATION
indicator
Terminal
block
Fuse
6,3A
DC 5V
DC 12V
DC 35V
For detailed diagnostic procedure, refer to the service data.
DSA : Surge Absorber
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4. WIRING DIAGRAM

R109
VARISTOR
BLK
P04
SG01 DSA
T6,3A 250V
F01 FUSE
3
BLOCK
2
BLK
1
CN30
WHI
2
RED
3
GRN & YEL
CN23
UNIT
1
Table 4-1-1 Simple check points for diagnosing faults
Check to see if the OPERATION indicator goes on and off when the main
switch or breaker is turned on, or the power cord is plugged in the wall
outlet. (Check the primary and secondary voltage of transformer.)
Check for power supply voltage between
plate.) (Check the primary and secondary voltage of transformer.)
Check for fluctuate voltage between
Check to determine if the fuse is open.
(Check Varistor : R109, R21)
Check for voltage at the pink lead of the infrared rays receive parts.
(Check the transformer and the rated voltage power supply circuit.)
Check for voltage at the
(Check the transformer and the rated voltage power supply circuit.)
Check for voltage at the CN10 connector side point.
(Check the transformer and the rated voltage power supply circuit.)
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LOUVER
MOTOR
R116
IC04
J04
L01
R21
C15
MAIN P.C. BOARD
(MCC-772)
4
CN13
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 CN25
INFRARED RAYS RECEIVE
AND INDICATION PARTS
Diagnosis result
Q R
– . (Refer to the name
R S
– . (DC 15 to 60V)
QS
lead of louver motor.
– 16 –
FAN MOTOR
DC MOTOR
6 5 4 3 2 1 5 4 3 2
6 5 4 3 2 1 5 4 3 2
CN07 CN10
5
R01
DB01
TO1
C02
C01
C06
IC
IC01
CN03 CN01
1 2 1 2
1 2 1 2
THERMO
SENSOR
(TA)
IDENTIFICATION
BRW :
RED :
WHI :
YEL :
BLU :
BLK :
GRY :
PNK :
ORN :
GRN
&YEL
1
1
6
DC35V
DC12V
DC7V
DC0V
IC02
HEAT
EXCHANGER
SENSOR
(TC)
COLOR
BROWN
RED
WHITE
YELLOW
BLUE
BLACK
GRAY
PINK
ORANGE
: GREEN &
YELLOW