Panasonic CS-TZ60TKEW / CS-TZ71TKEW / CU-TZ60TKE / CU-TZ71TKE Service Manual ▷ View online
29
10. Electronic Circuit Diagram
10.1 Indoor Unit
70
60
50
40
30
20
-10
0
10
20
30
40
50
10
0
Re
s
is
ta
n
c
e
(k
Ω
)
Sensor (Thermistor)
Characteristics
Pipe temp. Sensor
Intake Air Temp. Sensor
Temperature (°C)
GROUNDING
TERMINAL
Y/G
G
EVAPORATOR
FAN MOTOR
BL
BL
W
W
B
R
R
Y
W W W W W W
7
4
1
6
6
1
1
4
1
TO OUTDOOR UNIT
TERMINAL
BOARD
AC306 (BLK)
AC303 (WHT)
AC304 (RED)
G301 (GRN)
CN-FM
(WHT)
FUSE301
T3.15A L250V
SW01
CN-DISP
(YLW)
CN-RCV
(YLW)
ELECTRONIC CONTROLLER
(MAIN)
REMOTE CONTROLLER
TEMP. FUSE
102ºC (3A)
NOISE FILTER
CIRCUIT
COMMUNICATION
CIRCUIT
4
1
CN-RMT
(WHT)
CN-DISP (WHT)
ELECTRONIC CONTROLLER
(DISPLAY & RECEIVER)
RECTIFICATION
CIRCUIT
5
1
5
1
5
1
5
1
CN-STM1
(WHT)
UP DOWN
LOUVER MOTOR (OUTER)
UP DOWN
LOUVER MOTOR (INNER)
5
5
1
1
1
CN-STM3
(BLU)
CN-STM2
(YLW)
LEFT RIGHT
LOUVER MOTOR
6
1
CN-TH (RED)
PIPING TEMP. SENSOR 2 (THERMISTOR)
PIPING TEMP. SENSOR 1 (THERMISTOR)
SUCTION TEMP. SENSOR (THERMISTOR)
PIPING TEMP. SENSOR 1 (THERMISTOR)
SUCTION TEMP. SENSOR (THERMISTOR)
SENSOR COMPLETE
5
1
5
1
CN-CNT (WHT)
t°
t°
t°
M
1
2
3
M
M
M
GR
W
G
Y
BR
BR
R
Y
P
O
BR
R
Y
P
O
BR
R
Y
P
O
R37
10k
C45
C49
R54
270
5V
5V
R89
NONE
R40
0
JR4
0
R58
1M
1%
1%
C14
1000p
50V
B1
1000p
50V
B1
C3
0.1u
16V
B1
0.1u
16V
B1
5V
5V
12V
3
4
5
6
7
6
7
2
1
16
15
14
13
14
13
12
11
10
11
10
IC06
IC06
IC06
IC06
IC06
IC06
IC06
IC06
5V
R62
15k
1%
R61
20k
1%
R63
20k
1%
C25
1u
16V
B3
C27
1u
16V
B3
C28
1u
16V
B3
R90
10k
R82
10k
L6
L5
C57
C52
1000p
50V
B1
C51
1000p
50V
B1
F301
32V
500mA
5V
5V
12V
R30
1k
R47
68 1/2W 68 1/2W
R46
1
2
BZ01
A48PKM17EPP
12V
5V
3
4
5
6
7
6
7
2
1
16
15
14
13
14
13
12
11
10
11
10
IC05
IC05
IC05
IC05
IC05
IC05
IC05
IC05
12V
3
4
5
6
7
6
7
2
1
16
15
14
13
14
13
12
11
10
11
10
IC03
IC03
IC03
IC03
IC03
IC03
IC03
IC03
30
10.2 Outdoor Unit
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
Resistance (kΩ)
20
30
40
50
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20
40
60
Temperature (
o
C)
Resistance (kΩ)
80
100
120
140
SINGLE PHASE
POWER SUPPLY
TO INDOOR UNIT
(BLK) (WHT) (RED)
TERMINAL
BOARD
BOARD
GRY
RAT1
(GRY)
(GRY)
CN–TH1
(WHT)
CN–TANK
(WHT)
CN–STM1
(WHT)
CN–HOT
(WHT)
GRY
REACTOR
RAT2
(GRY)
(GRY)
FUSE 5
(20A 250V)
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE 6
(20A 250V)
(20A 250V)
FUSE 8
(T3.15A,
L250V)
NOISE FILTER
CIRCUIT
3
(RED)
DATA
(RED)
(RED)
AC-BLK
(BLK)
(BLK)
AC-WHT
(WHT)
(WHT)
FG1
(GRN)
(GRN)
CN-MTR2
(WHT)
PFC
CIRCUIT
RECTIFCATION
CIRCUIT
CIRCUIT
SWITCHING
POWER
SUPPLY CIRCUIT
FUSE 3
T3.15A L250V
T3.15A L250V
CN-MTR1
(RED)
FAN
MOTOR
1
5
3
1
3
1
1
1
4
PIPING TEMP.SENSOR (THERMISTOR)
OUTDOOR AIR TEMP. SENSOR
(THERMISTOR)
(THERMISTOR)
COMPRESSOR TEMP.SENSOR
(THERMISTOR)
(THERMISTOR)
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
(EXPANSION VALVE)
ELECTRO-MAGNETIC COIL
(4-WAY VALVE)
(4-WAY VALVE)
6
3
t°
t°
t°
W
U
V
V
U
V
W
YLW
RED
BLU
YLW
U (RED)
V (BLU)
W (YLW)
COMPRESSOR
YLW
MS
3~
P
Q1
N
10
IC19
ELECTRONIC CONTROLLER
14
16
16
3
1
FG2
(GRN)
(GRN)
GRN
GRN
FUSE 1
(25A 250V)
(25A 250V)
2
(WHT)
1
(BLK)
BLK
WHT
WHT
BLK
GROUNDING TERMINAL
YLW/GRN
RED
N
L
M
MS
3~
5V
G5
R28
4.99k
1%
C99
1u
10V
B1
5V
C98
470u
10V
KY
G5
C10
1u
10V
B1
R21
15.8k
1%
C9
1u
10V
B1
G5
G5
16V
D59
AK
G4A
D
G
S
Q55
15V
IC8
1
2
2
3
4
4
18
17
17
16
15
15
IC8
COMMON
GND
C921
0.1u
50V
B3
G4A
9
10
5V
C401
0.1u
25V
B1
G5
31
11. Printed Circuit Board
11.1 Indoor Unit
11.1.1 Main Printed Circuit Board
AC303
CN-STM1
CN-STM3
CN-STM2
CN-RCV
CN-DISP
CN-RMT
CN-TH
JP1 (Random Auto Restart enable/disable)
CN-CNT
CN-FM
32
11.1.2 Indicator
Printed Circuit Board
CN-DISP
LED206
LED205
LED203
LED201
LED204
LED202
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