Panasonic CS-A181KR Service Manual page 48

ELECTRONIC CIRCUIT DIAGRAM
G •
CS-A181K / CU-A181K SERIES
•
CS-A241K / CU-A241K SERIES
ELECTRONIC CIRCUIT
F
AUTO RESTART FUNCTION J2
ENABLE JUMPER
DISABLE NONE
CS-A181K CS-A241K + C24
L5 16V
R49 20.0k 11.3k CWA –
REMOCON NO. SW1 RX 100µ
R72 10k R7 32.4k 32.4k 43036
0 OFF
1 ON
R49
2 OFF 10k 5
64 AV
3 ON 10k
Side A : OFF SW1 CWA04042 5
63 AV
Side B : ON R68 A B
26.1k 0
62 P17
RX REMOTE CONTROL
NO.
5
RA1 61 P16
24k X 3
60 P15
0 P14
59
(YELLOW)
(XH-4) 1.4 P13
DEICE 58
CN-TH1
E BELOW 1.3V
Fig.2 P12
4 57
PIPE
TEMPERATURE + C26
R23 50V Fig.2 P11
SENSOR (20k,3950) 3 20k 56
– 10µ
Fig.1
0
INTAKE 2 55 P10
C25
AIR TEMPERATURE R22 +
SENSOR (15k,3950) 15k 50V
1 – 10µ 54 AV
C41
+ –
16V 53 P04
100µ
C28
SW3 CWA01059 R35 + 50V
52 XT2
RECEIVER + INDICATOR (PUMP DOWN SW) 2k X1 8MHz – 10µ
(30pF X 2)
R30 R29 51 IC(V )
ZD1 4.7k 100K
IC µPC2800GR (PH-6) 2.5 OUT
PD A54D8.2EL2TB 50
CN-DISP R24 X1
PH302C c R28
Q5 240 150k 2.5 IN
8 IN+ Vcc1 1 1 6 b 49
DTC114E X2
c e
330 V
7 IN- OUT 2 1 2 5 5 48
10K R25
0.01µ b
Q4 10k
6 CO Vcc2 3 + – 2 3 4 47
10K
+ C30 2SC1740S
0.01µ 6.3V 2.5
47µ 16V RESET SIGNAL P02
D 5 GND F0 4 3 4 3 – 100µ GENERATION 46
137k e R21
5.1k P01
(SHIELD CASE) 5 2 45
R27 R26
C29
1k 5.1k 2.7 P00
6 1 0.01µ 44
CN-DISP 5 RESET
43
(RED) (KR-6) C40
ON/OFF (WHT) +
50V P67
– 42
(ORANGE) 1µ
TIMER NH-2
P66
2 1 41
(ORANGE)
SLEEP CN-TEST R31
2k P65
40
P64
39
R36
2k P63
RA2 38
10k X 4
37 P62
P61
36
0 P60
35
R32
330
0 P57
C 34
5 P56
33
R33
330
R34
330
SW2 CWA01059
(AUTO SW)
IC4
(GREEN)
µPA2003C
(KR-5)
CN-STM STEPPING MOTOR DRIVE
1 9
16 1
2 a
3
15 2
4 b
5
14 3
c
STEPPING MOTOR
13 4
(HORIZONTAL VANE) d
8
B
A
1 2 3 4
CS-A181K/A241K CS-A181K/A241K
AC 240-230V
50Hz
SINGLE PHASE
POWER
SUPPLY
SWITCH
IC1 IC7
IC5
R67
A52D011CW 10K A52BR9020 A52BX8315
FAN MOTOR SPEED CONTROL
MICRO COMPUTER
5 12
7 O 5V I
P20 5 J2 39.2k PULSE C16 C27
REF AUTO RESTART 1 4 DO GND 5 4.3k SIGNAL + +
3k 5.23k 16V 25V
GENERATOR – 100µ G 100µ –
0 15.8k
DD P21 2 3 DI RS 6 21.5k 5 7 3
1
2 b 4 6 a 2
5 0.5 IC3
P22 3 2 SK R/B 7 OSC 12 (0.6)
20k A52C050
5 8.87k VOLTAGE REGULATOR
P23 4 1 CS V CC 8 CORRECTION
35.7k
C32 (1.9) AMP.
1.8 8 8.06k
P24 5 0.01µ 6 11 13 10k 14
c d 1000P
10 9
REMOTE- CONTROL P25 IC4 22 (28) 29
6 µPA2003C 3
NO. DETECTION
51.1k C19
P26 0 (5) 2.74k
DEICE DETECTION RELAY DRIVE SIGNAL 7 6 11 RY-HOT 1000P
102k
34.0k
START D16 A54MA165TA5 R37 51.1k
PIPE TEMP. 8 5 0
P27
8 1 5 4
MID.START D17 A54MA165TA5 R38
INTAKE AIR TEMP. 9 5 0
R17 R16
P30 C21 + C20 100k
R39 1000P R18 1.74k
SLo 0 D18 A54MA165TA5 16V 13.0k VR1
10 – 100µ 500
P31
R40
Lo- 0 D19 A54MA165TA5
SS 11
P32 MODEL CS-A181K CS-A241K
FAN R41
SPEED Lo 0 D20 A54MA165TA5 R37 15.40k 15.40k R15
12 +
CONTROL P33 R38 15.40k 15.40k 24.9k
SIGNAL R42 –
Me 0 D21 A54MA165TA5 R39 7.15k 7.32k
13 Q2
P34 R40 5.98k 5.36k
Hi 5 (0) D22 A54MA165TA5 R43 R41 4.64k 3.83k 2SD2220
PP 14
P35 R42 3.74k 3.16k AMP
µPA2003C
IC4 7 10 R47 R43 3.01k 2.49k c
BUZZER 15
8MHz P36 91 R44 2.80k 2.10k b
OSC SHi 0 (5) D23 A54MA165TA5 R44 1W
16
P37
C22 + R19
Q6 2SC1741AS 16V 2.49k D24 200
DO POWER V 17 RY-PWR – MA723 R46
SS RY POWER 100µ 1k
P40 DRIVE c
RELAY DRIVE 18 5 BZ e
SIGNAL b
R45 +
R69 e D6 C33
POWER CLOCK 2.2k 10k ERA15-01 (29) 28
INPUT P41 19 – 470µ
35V
8 1
REMOTE- CONTROL P42 1.6 (28)
COMMAND INPUT 20
27
6
FAN MOTOR P43 1.6 R51
21 c 4
CURRENT DETECTION 2.4k R52 27
10k 1W (28)
P44 1.6 b 2.4k
RESET FAN 22 1W
MOTOR
Q7 10k
DRIVE P45 3.3
SIGNAL 23
DTC114E 2
c 25
P46 3.3 e R53 (28)
STEPPING 24 2.4k a
MOTOR b 10k
1W
DRIVE P47 3.3
25 7
SIGNAL Q8 10k
P50 DTC114E
26 3.3 c
e
P51 10k
TIMER SHORTEN FAN MOTOR 27 3.3 b
CONTROL
Q9 10k
P52 3.3 + C34
28 DTC114E
100V
– 10µ
e
TEST RUN P53 29
5
e
AUTO OPERATION P54 30
Q10
P55 5 10k
31 DTA143X
b
DISPLAY
V SS 0 7
GND 32 4.7k
R54
c a
1.6 750 0.5
6
e
Q11
DTA143X 10k
R55
b
750
4.7k 0.5 4
c 0.5 2
L6 1.6 R56
e
CWA 43036 750
GND
Q12 8 1
DTA143X 10k
CHECK PIN
b
4.7k
3 c
1 1.6
a 2
IC6
A52MPC393C
5 6 7
1 1
2 2
3 3
TRANSFORMER
4 4
CWA40C246
TEMPERATURE
FUSE TEMPERATURE
AC
102°C 14 FUSE 113°C
(XH-3) BLUE (VH-2)
CN-FUSE 1 1 2 3 CN-T 1 2 CN-FUSE2 2 1
HOT DEICE AC
(RED) (BLU) (WHT)
T (BLK)
R10
ZNR2 47k
R70 RY-PWR
47k CWA00106
RY-HOT
IC2
R20 DB2 CWA00161
10k
A52C096 S1VB20 2 WAY VALVE
REGULATOR
REVERSING COIL
R12 FUSE
1.82k 3.15A
12 19
O 12V I ZNR1
C15 C31 C14
R13 + + +
10k 25V 35V 35V PC
– 100µ G – 2200µ – 2200µ R71 C1
TL520
1k
4 1
FM
C13 + 3 2 Fig.6
10µ – C12
CAPACITOR
c 0.01µ LF1
C23
0.022µ A49219
10k b
4 WAY VALVE
C17 R14 REVERSING COIL
10k 5.1k
0.1µ C5
250VAC
ECQV
e 0.1µ
Q3 C8 T1 ECQ-UV
L3
DTC114E 630V
CWA43036 3300P ECQF
8 2
R3 R1
L4 12k
CWA43036
+ C42 + C9 2W
C10 R6 AC AC
100V 0.18µ 10k 100V R11
– 470µ – 470µ 15 40
1/2W L2 12k
ECQV CWA43036 D2 2W C7
A54C198 8200µ
11 4
C18 R7 D1 DB1
50V R8 A54RB44-08V
0.47 SBA60 CAPACITOR
4.7µ
2W
Q1 250VAC
0.01µ RED
A55C130 ECQ-UV C4
D.C A.C
18 CONVERTER X 2
c
b LF2
T2
R9 A49220
R4 e C3
1.5k
1 5 24 C6
2W R5 +
C11 100 450V
AC – 270µ
0.01µ 0.01
19 COMPRESSOR
2 4
Q16 A52C071 L1 R2
560k
CWA 43101
FAN MOTOR DRIVE 1/2W
3
D3
1SS131
b c (GREEN)
(XH-3)
5 3 CN-MTR
14 (15) U
1
14 (15) V
2
W
14 (15) 3
R48
620 FAN MOTOR
Q13 3.0
DTC114E FAN MOTOR COIL RESISTANCE (AT 20°C)
c
10k
b R63
D10 10k
3.3 C35
10k R50 +
3.3k 100V
10µ –
5 3 1W R62
e 3.0 8.5 (8.2) D9 10k
b c Q14
c R58 R60 C38
DTC114E 510k R61
14.7k 1000P
10k D8 10k
b
3.3 YELLOW
6.0 8 5
10k 3.0 C36 R66
7 1000P
4 6 D13 10k
e
Q15 R65
DTC114E c 8.8 (8.5) D12 10k
IC6
10k
b A52MPC393C
Q17 A52C070 R59 C37 BLUE RED
3.3 FAN SPEED 3.32k 1000P R64
10k D11 10k TRADE MARK
FAN MOTOR DRIVE CONTROL
R57 COMPRESSOR
D8-D13
5.1k e TERMINAL
A54MA165TA5 X 6
C39 D7
1000P A54MA165TA5
Fig. 6
OUTDOOR TEMP. RISES FALLS
COOLING OVER 29°C Hi OVER 31°C Hi
SOFT DRY BELOW 29°C Lo BELOW 31°C Lo
BELOW 15.5°C Hi BELOW 13.5°C Hi
HEATING
OVER 15.5°C Lo OVER 13.5°C Lo
8 9 10 11
CS-A181K/A241K CS-A181K/A241K
ELECTRONIC CIRCUIT
COMP
(VIOLET)
IC1
HOT 1 X1 4MHz
RED A52C78414Y
Q1
MICRO COMPUTER
R10
RY-DEICE 1740S
DEICE 150k
GRAY JE RESET SIGNAL 2.5 OSC OUT Vss 0
GENERATOR 40 GND 1
4.0MHz OSC
CR2 30Px2 2.5 OSC IN A0 Fig.5
A59014 R8 39 AIR TEMP 2
A241K ONLY R7 100k c 5
10k
R25 10k A1 Fig.5
V 5 b R9 E1
BLUE 38 PIPE TEMP 3
JE e 1k
Q2
ZNR3 RY-V R26 10k
37 E0 A2 4
A54C353 113ZS c
FM 1 5 RESET
BROWN L JE 1k 36 RESET A3 5
b
RY-H/L C11
FM 2 4.7 +
ORANGE RY-OFF 10k 50V 35 TEST A4 6
–
H 1µ
5 Vcc/Vref
34 POWER A5 7
ZNR4 CRI e
A59014 C0 R27
A54C353 33 B7 TIMER SHORTEN 8
C12 +
HOT 2 10V
ZD1 – 32 B6 C1 9
BLACK 7.5EL1 100µ
JE 31 B5 C2 10
RY-HOT
9
FUSE RY-DEICE 14 3 DEICE 5V 0 B4 R24
AC a 30 C3 11 10k
WHITE (3.15A)
12
RY-H/L 13 4 FAN HI 5V 5
b 29 B3 C4 12
0
12 5 0 RELAY
RY-OFF FAN OFF 5V B2
ZNR2 c 28 DRIVE C5 13
12
A54C353
RY-V ON 5V 0 B1 C6 HEATING 4.4V
11 27 HOT 14
RY-V 6
d
12 0 B0 C7 COMP.ON 4.4V
A241K ONLY 26 COMPRESSOR 15
C13
10
0.01µ RY-HOT 7 DEVICE 5V
e 25 TIMER OUT NC 16
250VAC 12
8 IC4 A52MPA2003C
RELAY DRIVE 24 D7 D0 17
A40378 (Keeps 1Min. ON
TRANSFORMER D1 After COMP. ON) 23 D6 D1 18
T1
4 5
22 D5 D2 19
DB1 ~ D5-D6
S1VB20 – + A54MA165TA5 X 2 D6 D5
21 D4 D3 20
1 7
~
D2
R12 18k
A40378
TRANSFORMER D3
T2 R13 18k
4 5
DB2
~
S1VB20
– + 20 12 5
I O I O
C1 12V C2 5V C3
+ R11 + +
1 7 ~ 35V 16V 10V
D4 – 2200µ G 10k – 100µ G – 100µ
D1-D4
A54MA165TA5 X 4 IC2 IC3
A52C094 A52C040
REGULATOR REGULATOR
Fig. 5 Fig. 4 Fig. 3
Senser (Thermistor)
Outdoor Air/Pipe Temp. Data
Characteristics
70
Outdoor Air Temp. Sensor
1
4 60
Outdoor Air Temp. 2 Outdoor Pipe Temp. Sensor
Cooling
Data IC1 2 Pin
3 50
1
Soft Dry
2 40
Outdoor Pipe Temp.
1 Data IC1 Pin 30
3
20
0 10 20 30 40 50 60 70 2 Heating
Temperature (°C) 10
0
-10 0 10 20 30 40 50
Voltage to Fan Motor
Temperature (°C)
Drive Transistor (DCV)
12 13 14 15
Fig. 1
Senser (Thermistor)
Characteristics
70
1 Pipe Temp. Sensor
60
2 Intake Air Temp. Sensor
(XH-4)
YELLOW
50
CN-TH
AIR TEMP.SENSOR
1 (15K.3950)
2 1
Fig4
3 40
PIPE TEMP. SENSOR
4 2
(4.96K. 3800)
+ C5 R1 + C6 R2 + C4
10V 10V 10V
– 5.9k – 15k –
22µ 22µ 100µ
30
R14 16k
20
R15 2.2k
(NH-2)
R16 100k WHITE
CN-TEST
R17 43k 10
2
1k
1
0
-10 0 10 20 30
R23 R22 R21 R20 R19 R18
10k 10k 8.2k 8.2k 8.2k 8.2k
Temperature (°C)
C7 C8 R4 R6
1000P 1000P 20k 20k Fig. 2
R3 R5
5.1k 5.1k Intake Air/
Pipe Temp. Data
4
C9 C10
+ +
35V 35V
– 33µ – 33µ
3
2
Intake Air Temp. Data
IC1 56 Pin
1
Pipe Temp. Data
IC1 57 Pin
0 10 20 30 40 50
Temperature (°C)
Indoor Fan Speed
High Speed ↔ Low Speed
Fan Speed
8 7 6 5 4 3 2 1
No.
t t t
Manual
t t
Auto t
t
Sleep
Manual, Auto t
Sleep t
t t t
Manual (A181K)
t t t
Manual (A241K)
t t t t
Auto
Sleep t t
CS-A181K 44.0 42.0 36.3 31.2 25.3 21.0 8.0 8.0
CS-A241K 52.8 47.8 41.4 36.3 28.0 21.1 8.0 8.0
SHi Hi Me Lo Lo – SLo START 2 START 1
16 17 18 19
G
F
40 50
E
D
60 70
C
0
t
B
t
t
t
A
0
0
STOP