Panasonic CS-A73KE Service Manual page 58

CS-A73K/A93K/A123K
How to use electronic circuit diagram
G
Before using the circuit diagram, read the following carefully.
* Voltage measurement * Indications for capacitor
Voltage has been measured with a digital a. Unit µ .... µF 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
Use them for servicing. (Z) .......... Z series aluminium
Voltage indication is in Red at all operations. electrolytic capacitor
F
(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
(SRA)...... SRA series aluminium
* Indications for resistance
electrolytic capacitor
a. K .... k M ... M
(KME)......KME series aluminium
W ... watt Not indicated .... 1/4W
b. Type electrolytic capacitor
E
Not indicated .......... carbon resister
Tolerance±5% * Diode without indication .............. MA165
Circuit Diagram is subject to change without
.......... metal oxide resister *
Tolerance±1% notice for further development.
TIMER TABLE
Test mode
Name Time When test point Remarks
( )
D
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.
C
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.
Cooling 70 sec. 7 sec.
20 sec. 2 sec.
B Deodorizing Control
180 sec. 18 sec.
40 sec. 4 sec.
Soft Dry
360 sec. 36 sec.
5 min. 30 sec. Comp. ON 5 min. and above
Comp. Reverse Rotation Detection
2 min.
0 sec.
1.6 sec. 0 sec.
Comp./Fan motor Delay Timer
8 sec.
SLo Timer 8 sec.
Intake Air Anti-Freezing Prevention 16 min.
96 sec.
A
POWERFUL MODE 15 min.
15 sec.
Random FM Timer (ECONOMY Mode) 5 sec. 5 sec.
Random Auto Restart Control 0 ~ 150 sec. 0 sec
1 2 3 4
CS-A73K/A93K/A123K
ELECTRONIC CIRCUIT DIAGRAM
•
REMOTE CONTROL
WIRELESS REMOTE CONTROL
C7
0.01µ
Q1 C8
LED1
0.01µ
SID1003BQ 2SB710
C1 + C2 + C9
R11
47µ 47µ
– – 0.01µ
510k
R03
x2 R9 R8 R7
R5
200k 200k 200k
2.2
R3 R2
1/8W
51 1.5k
X1
Q2
3.52Hz
2SD602 R4 (33P x 2)
22k
C4
8P
(NPO)
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
C5
8P X2 17 XOSC2 SEG 7 64
(NPO) 32.768kHz
18 XOSC1 SEG8 63
R1
19 VSS SEG9 62
100k
20 RESET SEG10 61
DOOR OPEN/CLOSE
R6
SW1 21 PC3 SEG11 60
RESET 300 C6
0.1µ
(CLOSE:ON) 22 PC2 SEG12 59
SW2
23 PC1 SEG13 58
J-B IC1
24 PC0 SEG14 57
R12
51k Remote Controller No.
25 PA0 SEG15 56
26 PA1 SEG16 55
R13
27 PA2 SEG17 54
51k
28 PA3 SEG18 53
R14
51k 29 PA4 SEG19 52
30 PA5 SEG20 51
31 PA6 SEG21 50
32 PA7 SEG22 49
SEG 23
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
(POWERFUL)
SELF
DIAGNOSIS
SLEEP TIMER TIMER
ON CANCEL
FAN SPEED AIR SWING TIMER TIMER
(TEMP ) AUTO OFF SET
SW2 J-B
0 OFF
AIR SWING
ECONOMY MODE CLOCK 1 ON
MANUAL
(TEMP )
(OFF / ON)
aI 2 OFF SHORT
3 ON SHORT
5 6 7 8
PRINT PATTERN
INDOOR UNIT PRINTED CIRCUIT BOARD
TOP VIEW
CN1
9 10 11 12
CS-A73K/A93K/A123K CS-A73K/A93K/A123K
PRINT PATTERN
INDOOR UNIT PRINTED CIRCUIT BOARD
BOTTOM VIEW
13 14 15 16 17 18 19