Wiring Diagram - Toshiba RAS-M10YKV-E Service Manual

4-1. Indoor Unit
RAS-M10YKV-E, RAS-M13YKV-E, RAS-M16YKV-E
RAS-M10YKCV-E, RAS-M13YKCV-E, RAS-M16YKCV-E
INDOOR
TERMINAL
BLOCK
2
BLK
1
WHI
2
RED
3
GRN & YEL
OUTDOOR INDOOR
UNIT UNIT
Table 4-1-1 Simple check points for diagnosing faults
Check items
OPERATION Turn on the main switch or breaker to check if the OPERATION indicator
1
indicator flashes. (Check the primary and secondary voltage of transformer.)
Check for power supply voltage between
Terminal
(Check the primary and secondary voltage of transformer.)
2
block
Check for fluctuate voltage between
Fuse Check to determine if the fuse is open.
3
6.3A (Check Varistor : R109, R21)
Check for voltage at the pink lead of the infrared rays receive parts.
4
DC 5V
(Check the transformer and the rated voltage power supply circuit.)
Check for voltage at the
5
DC 12V
(Check the transformer and the rated voltage power supply circuit.)
Check for voltage at the CN10 connector side point.
DC 35V
6
(Check the transformer and the rated voltage power supply circuit.)
For detailed diagnostic procedure, refer to the service data.
DSA : Surge Absorber

4. WIRING DIAGRAM

R109
VARISTOR
BLK
P04
J04
SG01 DSA
T6.3A 250V
F01 FUSE
R21
3
CN31
CN30
CN23
1 2
1 2
1
1 2
INFRARED RAYS RECEIVE
AND INDICATION PARTS
Diagnosis result
Q S
– lead of louver motor.
LOUVER MOTOR
6 5 4 3 2 1
6 5 4 3 2 1
CN07
R116
IC04
L01
C15 C01
MAIN P.C. BOARD
(MCC-772)
4
CN13
3 4 5 6 7 8 9
3 4 5 6 7 8 9
3 4 5 6 7 8 9 CN25
Q R
– . (Refer to the name plate.)
R S
– . (DC 15 to 60V)
– 36 –
FAN MOTOR
DC MOTOR
4 3 2
5 4 3 2
CN10
5
R01
DB01
TO1
C02
C06
IC
IC01
CN03 CN01
1 2 1 2
1 2 1 2
THERMO EXCHANGER
SENSOR
(TA)
Color
Identification
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN : GREEN &
&YEL
1
1
6
DC35V
DC12V
DC7V
DC0V
IC02
HEAT
SENSOR
(TC)
YELLOW