Panasonic CS-VU18SKQ Service Manual

26
9. Electronic Circuit Diagram
9.1 Indoor Unit
1 5 4 3 2
1 5 4 3 2
INTAKE LOUVER MOTOR
1 5 4 3 2
1 5 4 3 2
MECHA VANE-R (ROTATION)
1 5 4 3 2
1 5 4 3 2
4321
CN-STM1
(GRN)
CN-STM4
(BLU)
ELECTRONIC CONTROLLER
(MAIN)
2 1
PIPING TEMPERATURE SENSOR (THERMISTOR)
NTC
12
SUCTION TEMPERATURE SENSOR (THERMISTOR)
2 1
NTC
12
CN-TH1
(BLU)
Sensor (Thermistor)
Characteristics
70 60 50 40 30 20 10
0
-10 0 10
Temperature (ºC)
Resistance (kΩ)
20 30 40 50
1 2
1
2
Pipe temp. Sensor Intake Air Temp. Sensor
9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9
W W W W W W W W W
W W W W W
5 4 3 2 1
1
54
2 3
VOUT
VCC
GND
1 2 3 4 5
ELECTRONIC CONTROLLER
(DISPLAY)
R307
270
5V
*R323
*CN-DISP
(WHT)
*CN-DISP
(WHT)
*CN-RMT
(WHT)
CN-RCV
(WHT)
CN-RCV
(RED)
R306
270
LED301
R324
1/8W
0
10K
E
C
NC1
5V
Dust1 Dust2 Dust1 Dust2
nanoe-G
Timer
Power
NC2
NC1 1 2 3 4 5 6 7 8 NC2
B
4.7k
-50V -100mA
R305
390
Q306
GND
R303
270
R302
270
R301
270
R308
390
*R322
*R321
10K
E
C
B
4.7k
-50V -100mA
Q305
GND
GND
5V
ELECTRONIC CONTROLLER
(RECEIVER)
R209
47
5V
*R214
*R58
*C47
*C49*C45
0.1μ
*C14
3300p
*R54
270
*R37
10k
*R64
*R210
R201
*JP201
*R211 *JP202
*SEN201
NONE
E
C
AK
IC201
LED201
white
*R212 *JP203 *R213 *JP204
C202
0.01μ
16V
C3
0.1μ
16V
C201
47μ
6.3V
5V
JR6
5V
JR7 JR9
REMOTE CONTROLLER
iCOMFORT
TEMP TEMP
SHOWER /
DIRECT
OFF/ON
CN-STM601
(WHT)
HIGH
VOLTAGE
POWER
SUPPLY
CN1
(WHT)
4 3 2 1
4 3 2 1
*CN-CLN
(GRN)
12V
*C23
*C24
*C26
*C29
*R12
*R14
*Q01
*Q02
*R2
*R3
EC
B
*F301
32V 500mA
5V
*R10
5V
*Q04
E
C
B
CN2
GND
-6.0kV
WW
CN-501 (WHT)
CN-SW (WHT)
12
21
ELECTRONIC CONTROLLER
(EMERGENCY SWITCH)
C4
0.01μ
SW501
1 2
5V
R43
10k
R42
1k
5V
ELECTRONIC CONTROLLER
(CONNECTOR)
CN-STM3
(WHT)
8 7 1 2 3 4 5 6
1 2 3 4 5 6 7 8 9
10 11 12 13
W W W W W W W W W W W W W
L/R VANE MOTOR
CN-STM604
(YLW)
1 5 4 3 2
IC07 IC06
107 161 152 143
12V
CN-STM5
(YLW)
CN-STM6
(WHT)
IC06
143 134 125 116 152
12V
IC03 IC05
161 152 143 134 125 116 107 161
IC07
134 125 116 107
JR3
IC05
143 152 134 125 116 107
12V 12V
*CN-TH2
(RED)
R47 1/2W
68
R46 1/2W
68
1 5 4 3 2
1 5 4 3 2
MECHA VANE-L (ROTATION)
CN-STM603
(BLU)
1 5 4 3 2
1 5 4 3 2
MECHA LOUVER ARM-L (REVOLUTION)
CN-STM602
(GRN)
1 5 4 3 2
1 5 4 3 2
12V
MECHA LOUVER ARM-R (REVOLUTION)
R62
15k
1%
R87
1k
R88
1k
R61
20k
1%
C25
1μ
16V
C27
1μ
16V
5V
CN1 (WHT)
DUST
SENSOR
15
1234
WWWW
*R100*R99
*C62 *C63
5V5V
R97
200k
R98
200k
R106
10k
R105
1.2k
C64
1μ
10V
E
C
B
-32V -2A
Q17
5V
CN-DUST (YLW)
O
BR
Y
PE
R
BR
R
O
Y P
R
Y
BR
O
PE
O
BR
Y
PE
R
BR
R
O
Y P
R
Y
BR
O
PE
W
BL
G
W W W
MINUS
ION
GENERATOR
Y/G
EVAPORATOR
FAN MOTOR
CN-FM (WHT)
Y
1 4 7
B
W
BL
R
M
FUSE301
T3.15A L250V
TEMP. FUSE
102°C (3A)
1 2 3
AC303 (WHT) AC304 (RED) AC306 (BLK) G301 (GRN)
W
R
G
BL
TERMINAL
BOARD
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
COMMUNICATION
CIRCUIT
TO
OUTDOOR
UNIT
GROUNDING
TERMINAL
*C48
*C15
5V
*R89
*R40
5V
JR8
R39
5.1k
*C38
C54
0.1μ
25V
C55
0.1μ
25V
E
C
B

Panasonic CS-VU18SKQ Specifications

General

Brand	Panasonic
Model	CS-VU18SKQ
Category	Air Conditioner
Language	English