Panasonic CS-A181KR Service Manual page 49

CS-A181K/A241K
G
How to use electronic circuit diagram
Before using the circuit diagram, read the following carefully.
* Voltage measurement
* Indications for capacitor
µ .... µF
Voltage has been measured with a digital a. Unit P .... pF
tester when the indoor fan is set at high fan b. Type Not indicated ... ceramic capacitor
speed under the following conditions without (S) .......... S series aluminium
setting the timer. electrolytic capacitor
F
Use them for servicing. (Z) .......... Z series aluminium
Voltage indication is in Red at all operations.
electrolytic capacitor
(SU) ....... SU series aluminium
Intake air Temperature Discharge air Pipe electrolytic capacitor
temperature setting temperature temperature (P) .......... P series polyester system
(SXE) ..... SXE series aluminium
Cooling 27°C 16°C 17°C 15°C
electrolytic capacitor
Heating 20°C 30°C 40°C 50°C
(SRA)...... SRA series aluminium
electrolytic capacitor
* Indications for resistance
(KME)......KME series aluminium
E
a. K .... kΩ M ... MΩ
electrolytic capacitor
W ... watt Not indicated .... 1/4W
b. Type
* Diode without indication .............. MA165
Not indicated .......... carbon resister
Circuit Diagram is subject to change without
*
Tolerance±5%
notice for further development.
.......... metal oxide resister
Tolerance±1%
D
C
B
A
1 2 3 4
CS-A181K/A241K
TIMER TABLE
Test mode
Name
Time ( When test point ) Remarks
Short-circuited
Sleep Mode Waiting 1 hr. 6 sec.
Sleep Mode Operation
8 hrs. 48 sec.
1 hr. 1 min.
Real Timer
10 min. 10 sec.
1 min. 1 sec.
Time Delay Safety Control 2 min. 58 sec. 0 sec.
Forced Operation 60 sec. 0 sec.
Time Save Control 7 min. 42 sec.
Anti-Freezing Control 4 min. 0 sec.
Mode Jugdement 20 sec. 0 sec.
Off 6 min. 36 sec.
Soft Dry
On 10 min. 60 sec. SOFT DRY: 10 min. operation
40 sec 4 sec. Comp. ON
Cooling 70 sec. 7 sec. Comp. ON
20 sec. 2 sec. Comp. OFF
Deodorizing Control
180 sec. 18 sec.
Comp. OFF
40 sec. 4 sec.
Soft Dry Comp. ON
360 sec. 36 sec.
Comp. OFF
Indoor Fan Step Change 1 sec. 0 sec.
After Deice Ended 30 sec. 3 sec.
Comp. OFF, F/Motor ON
5 min. 30 sec.
4-Way valve
5 6 7 8
ELECTRONIC CIRCUIT DIAGRAM
•
REMOTE CONTROL
WIRELESS REMOTE CONTROL
C7
0.01µ
C1
+ 6.3V
R03 x 2
100µ
–
C9 C8
(SRA)
0.01µ 0.01µ
C3 C2
100p 100p
(SL) (SL)
R9 R8 R7
100K 100K 100K
X1
440kHz
C4
33p R10
R1
R6 16 15 14 13 12 11 10 9 8 7 6 5
30K (NPO) 220K
300
C5
C6
RESET 18p X2 17 X0
1µ
(NPO) 32.768KHz
18 X1
19 VSS
REMOTE
20 RST
CONTROLLER DOOR
ON/OFF 21 IRQ/30
SW1 (DOOR OPEN:OFF)
22 SYNC/31
REMOTE CONTROLLER
A B 23 SBD/32
SW2
IC1
24 SBT/33
J-B
MN158453ABC
25 00 MICROPROCESSOR
26 01
TEST 27 02
28 03
29 10
30 11
31 12
32 13
33 34 35 36 37 38 39 40 41 42 43 44
AUTOMATIC AIRFLOW
AIRFLOW
DIRECTION
DIRECTION TEMP- MANUAL
(CANCEL) (TIME-) (SET)
TIMER
OPERATION INDOOR
MODE FAN SPEED
TEMP+
SELECT SELECT
(OFF TIMER) (TIME+) (ON TIMER)
R3
51
R2
3.3K
SLEEP
OPERATION MODE
START/STOP OPERATION
Q1
R4
2SD602
22K
LED DRIVE
9 10 11 12
CS-A181K/A241K CS-A181K/A241K
PRINT PATTERN
INDOOR UNIT PRINTED CIRCUIT BOARD
CWA74224
4 3 2 1
SEG 7 64
SEG 8 63
SEG 9 62
SEG 10 61
SEG 11 60
SEG 12 59
SEG 13 58
SEG 14 57
SEG 15 56
SEG 16 55
SEG 17 54
SEG 18 53
SEG 19 52
SEG 20 51
SEG 21 50
SEG 22 49
SEG 23
PRINT PATTERN
45 46 47 48
OUTDOOR UNIT PRINTED CIRCUIT BOARD
LED1
SE1003
R5
1/8 W
2.2
Q2
2SD602
LED SWITCHING
REMOTE CONTROL SW2
J-B REMARKS
NO. A B
0 AT DELIVERY
1
2
3
J-B: THE O MARK INDICATES "JUMPER WIRE"
13 14 15 16
G
F
E
D
C
B
A
17 18 19