Electronic Circuit Diagram; Indoor Unit - Panasonic CS-XZ20XKEW-H Service Manual

10. Electronic Circuit Diagram

10.1 Indoor Unit

TERMINAL
BOARD
L1
TEMP. FUSE 102°C
N
Y/G
S1
2
3
R
BL
G
BR
W
Y/G (EVA)
Y/G (WITH CORE)
REAR VIEW OF TERMINAL BOARD
Sensor (Thermistor)
Characteristics
70
Pipe temp. Sensor
60
Intake Air Temp. Sensor
50
40
30
20
10
0
-10 0 10
Temperature (°C)
BL AC308 (BLK) RY-PWR
BR AC307 (BRW)
FUSE301
AC303 (WHT) T3.15A L250V
W
R AC304 (RED)
G301 (GRN)
G
Y/G
COMMUNICATION
EVAPORATOR
Y
7
B
SW01
M
W
BL
4
R
1
CN−FM
FAN MOTOR
(WHT)
ELECTRONIC CONTROLLER
20 30 40 50
CN-DISP (YLW)
REMOTE CONTROLLER
5V
11
5V
R210
IC201 GND-A
47
4 1
@cirPi OUT
5 2
@cirPi VCC
3 C201 C202
GND
5V
47u 0.01u
6.3V 16V
KRE B1
GND-A
ELECTRONIC
CONTROLLER
(DISPLAY AND
RECEIVER)
ELECTRONIC CONTROLLER (WIFI MODULE)
CN-WLAN
(BLK)
1 3
GR GR GR
5V
CN-WLAN
4 1
*C401
*R406
*R405
NONE
RY-PWR2
*C402 *C403
12V_1
NONE NONE
5V
*F301
R90 R82
10k 10k *L6
C52
C51
1000p
1000p
NOISE FILTER
50V *C56
50V
CIRCUIT B1
B1
CIRCUIT
RECTIFICATION
CIRCUIT
5 12
IC06
6 11
IC06
7 10
IC06
1 16
IC03
2 15
IC03
3 14
IC03
(MAIN)
4 13
IC03
5 12
IC03
1 16
IC06
2 15
IC06
3 14
IC06
4 13
IC06
C25 C27
R61
R62
1u 1u
15k 20k
16V 16V
1% 1%
B3 B3
12V
*Q18
5V *Q21
C
4.7k
B
10K
5V 50V
*R112
100mA
E
1 11
W W W W W W W W W W W
CN-DISP (WHT)
1
*R201
A K
*LED201
*R202
A K
*LED202
*R203
A K
*LED203
*R204
A K
*LED204
33
8
GR
(WHT)
5V
*L5
*C57
5
1
CN–CNT
5V
(WHT)
R37
10k
*C45 C49
NONE
4
1
CN–RMT
(WHT)
CN-STM1
(WHT)
12V
1
1
BR
R
UP DOWN LOUVER
M
O
MOTOR (LOWER)
Y
P
5
5
CN-STM2
(YLW)
12V
1
1
BR
R
LEFT RIGHT
M
O
LOUVER MOTOR
Y
P
5
5
CN-STM3
(BLU)
12V
1
1
BR
R
M UP DOWN LOUVER
O
MOTOR (UPPER)
Y
P
5
5
(FOR XZ20/25XK ONLY)
5V
6
PIPING TEMP. SENSOR 2 (THERMISTOR)
t°
BLACK FLEXIBLE PIPE (UPPER)
PIPING TEMP. SENSOR 1 (THERMISTOR)
t°
WITHOUT FLEXIBLE PIPE (LOWER)
SUCTION TEMP. SENSOR (THERMISTOR)
t°
1
CN−TH
*R63
*C28
(RED)
CN-NANO
(YLW)
*F303
1
BL
5
1
W
CN2
CN1
*Q20
W
C
(WHT)
(WHT)
4.7k 4 B
B
BL
10K 50V 2
G7 P
1
100mA
E
W
G7
(FOR XZ35XK ONLY)
PIPING TEMP. SENSOR 2 (THERMISTOR)
BLACK FLEXIBLE PIPE (LOWER)
PIPING TEMP. SENSOR 1 (THERMISTOR)
CLEAR FLEXIBLE PIPE (UPPER)
SUCTION TEMP. SENSOR (THERMISTOR)
NANOE ION
GENERATOR