Toshiba RAS-M10NKV-E Service Manual page 6

3-2. Indoor Unit (For 16k)
COLOR INDICATION
:
BRW BROWN
:
RED RED
:
WHI WHITE
:
YEL YELLOW
:
BLU BLUE
:
BLK BLACK
:
GRY GRAY
:
PNK PINK
:
ORN ORANGE
:
GRN&YEL GREEN & YELLOW
:
GRN GREEN
BLK
BLK
HEAT EXCHANGER
SENSOR
(TC)
BLK
BLK
THERMO SENSOR
(TA)
CN25
(WHI)
BLU
1 1
BLU
2 2
BLU
3
3
BLU
4
4
BLU
5
5
BLU
6 6
BLU
7
7
BLU
8 8
BLU
9
9
BLU
10 10
WHI
11 11
MCC-861
MCC-861
1
TERMINAL
1
2
BLOCK
BLK WHI
CN24 CN23
CN01
(BLU)
1 1
2 2
CN03 FUSE
(WHI)
F01
T3.15A
1 1
3
2 2
250VAC
CN13
(WHI)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
MAIN P.C. BOARD
9 9
MCC-867or MCC-5014
10 10
11 11
4
Simple Check for Failure Diagnosis
Check Item
Check to see if the OPERATION indicator goes on
1
OPERATION and off when the main switch or breaker is turned on.
INDICATOR (Check the primary and secondary voltage of the
transformer.)
Check the power supply voltage between 1 and
(Refer to the name plate.)
2
TERMINAL (Check the primary and secondary voltage of the
BLOCK transformer.)
Check the fluctuating voltage between
(15 60VDC)
~
3
FUSE Check to see if the fuse blows out.
3.15A (Check the R04 of the varistor.)
Check the voltage at the No.4 pin on CN13 connector
4
of the infrared receiver.
DC5V
(Check the transformer and the power supply circuit
of the rated voltage.)
Check the voltage at the white lead of the louver
5
motor.
DC12V
(Check the transformer and the power supply circuit
of the rated voltage.)
6
Check the voltage at the No.1 pin on CN10
DC325V connector.
(Check the DB01, R05 and C03.)
(DC310 340V)
~
Refer to the service data for the detailed failure
diagnosis.
2 3
RED
CN21
LINE
FILTER
R05 DB01
~
- +
+
~
R04
C03
CN08
1 2 3 4
HA
JEM-A
Diagnosis Result
2 and
– 5 –
FILE NO. SVM-05019
INDOOR OUTDOOR
UNIT UNIT
FAN MOTOR
6 CN10
(WHI)
1 1 RED
3 3 BLK
DC MOTOR
4 4 WHI
5 5 YEL
6 6 BLU
DC5V
DC12V
5
CN07
(WHI)
WHI
1 1 1 1
YEL
2 2 2 2
YEL
3 3 3 3
YEL
4 4 4 4
YEL
5 5 5 5
LOUVER MOTOR
2 .
3 .