1
A
B
C
D
E
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G
2345678910111213141516171819
CS-G93K/G123K CS-G93K/G123K
ELECTRONIC CIRCUIT DIAGRAM <INDOOR UNIT>
•
CS-G93KE
•
CS-G123KE
CS-G93K/G123K CS-G93K/G123K
D103
A54LNK5372
CN-STM1
1
2
3
4
55
4
3
2
1
(MX-5)
(ZH5)
4
3
2
1
CN-TH
J2SW1
8
3
15
6
4
2
7
RST
CS
BUSY
SCK
D0
D1
CS
DL
S1
S0
SCK
4
8
3
2
1
5
6
7
123456
11 10 9 8 7
cd
gea fb
D.PCOM3COM2COM1
D101
1
2
3
4
5
6
7
8
CN-DISP1
D102
A54LNK4171B
A54LNM23301A
1
2
3
CN-RCV2
2
(MX-3)
CN-RCV1
1
2
3
4
8
7
6
5
137k
+
–
6.3V
47µ
IN+
IN-
CO
GND
VCC1
OUT
VCC2
FO
0.01µ
0.01µ
330
PH302C
(MX-3)
R73
10k
+
–
C26
33µ
25V
16V
10µ
C8
–
+
5.9k
R41
R35
15k
+
–
C9
10µ
16V
C19
3300p
R21
1k
R24
5.1k
C25
0.01µ
10k
4.7k
4.7k
10k
10k
4.7k
SW1
J2
R40
10k
R38
24k
R36
10k
R30
10k
CHECK PIN
(TEST)
R33
10k
L1
A438LM31A02T
R34
10k
R37
10k
R39
10k
A52BR9020F
IC2
R43
10k
ICX
C6
0.01µ 10µ
C37
R29
100k
+
–
C22
1.5µ
16V
(T)
OI
G
IC4
A52PST600D
C21
0.01µ
C11
0.01µ
R45
374
R28
10k
R59
5.49k
+
–
C12
1µ
50V
R58
49.9k
D2
+
–
C44
1µ
50V
1/4 W
13.7k
R80
C43
A52MPC393G22
IC3
X1
4MHz (27pF X 2)
R42
150k
10k
4.7k
4.7k
10k
R63
1k
C18
0.022µ
+
–
C24
33µ
25V
+
–
C23
100µ
6.3V
C17
0.1µ
R65
10k
R67
1k
1000p
C4
7.5k
R64
R66
330
R62
5.1k
1CN-PWR
0.01µ
C13
10k
R47
R46
10k
IC6
A52A2003GR2
CN-PWR
A52A2003GR2
IC5
C5
2200P
R70
200k
R73
1k
ZNR2
ERZVA9V271
R76
15k
2W
SW4
SW3
3
2
1
CN-MTR
(XH3)
18
7
16
10 9
L2
L3
R48 1k
BZ
BZ1
+
–
C1
100µ
L4
5V
G
OI
C3
0.01µ
+
–
C35
470µ
(FC)
R23
10k
D3
A54D1F68
D1
A541SS355T
R72
2.4k
R74
47k
510k
R82
AC 230V
ZNR1
ERZVEAV511
C30
0.22µ
3.15A
1
2
3
TH1
A47N11D5R0TT
LF1
A49217
C32
0.01µ
C31
0.01µ
C33
0.1µ
DB1
A54D3SBA60F1
+
–
C34
100µ
450V
(ECEC)
D6
A54D1F60
R68
680
3
1
1
2
3
4
(PH4)
13 4
16 1
15 2
14 3
8
Q10
A55DA143XKTX
e
c
b
e
c
b
e
c
b
e
c
b
e
b
c
A55DC143XKTX
Q3
Q4
A55DA143XKTX
710
116
7
6
5
D4
A541SS355
A52C108
IC8
A52TPD4007K
IC7
(KH)
250VAC
250VAC
(KH)
9
9
8
7
6
5
4
3
2
1
CN-DISP2
A
B
C
D
E
LC1
A49AF32102TL
123456789101112131415161718192021222324
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
2
4
6
1
5
8
7
B
A
F
C
C16
0.01µ
d
c
b
a
g
f
PC3
TLP521L1BL
TLP371PC2
A52S2581L1KC
PC1
5
4
1
2
6
4
3
1
2
1
2
4
3
T1 A40C295
50Hz
CS/CU-G93KE/G123KE
(45%)
CI-G123KE.DWG
R114
R115
R116
R117
R118
R119
R120
R121
R113
31
2
24
23
22
17
18
19
20
21
15
14
13
11
12
16
7
6
4
8
10
9
5
QF
QA
QC
QB
QD
QE
QG
QL
QJ
QI
QH
QK
QO
QM
QN
QP
VCC
R
CKS
A
CLK
OE
GND
430 x 9
1000P x 4
C102
C101
C103
C104
R111
R110
R108
R109
180 x 4
1.5µ
C105
–
+
C106
0.01µ
R112
100k
IC101
A52M66311FP
R102
R105
R104
R103
R101
R106
R107
820 x 7
DISPLAY
RECEIVER
1.5µ (T)
C7
–
+
IC1
A5278366F100
1k
R31
PIPE TEMP. SENSOR
(20k 3950)
(15k 3950)
AIR TEMP. SENSOR
(ZH5)
(MX-5)
1
2
3
4
55
4
3
2
1
CN-STM2
(ZH5)
(MX-5)
1
2
3
4
55
4
3
2
1
CN-STM3
e
f
g
9
611
512
710
12 5
9
e
a
b
c
d
8
314
215
116
413
IC6
A52A2003GR2
–
+
TEST RUN
AUTO
2k
R51
R56
10k
C15
0.01µ
R55
10k
47k
R79
2W2W
FUSE1
A43101T
L6
R81
510k
D9
A54D1F60
D
E
(FC)
22µ
C10
–
+
c
b
e
10k
4.7k
R1 1k
Q1
A55DC143XKTX
0.01µ
C2
L5
10k
R32
4
3
2
8
1
R69
26.7k
R25
220
49.9k
R26
C42
R27
5.49k
10µ
C28
–
+
1000P
1000P
IC3
A52MPC393G22
0.01µ
C38
1000P
C29
C40
1000P
630V 630V
(FA)
390µ
–
+
C36
2200P
C39
5600P
C41
25.5k
R19
R20
18.2k
R22
0.33
R50 5.1k
R71 5.1k
R77 5.1k
A541SS355 x 3
D8
D7D5
1k
R3
10k
R2
J1
SW2
R18
1k
R57
10k
R4
10k
23
4
1112 1314 222
1
17
15
62821 19 5 3 8
1000P
C25
R68
1M
C13
0.01µ
C26
1000P
1000P
C24
23456789101112 161513 14
1413 15 16121110987654321
DRIVE
CIRCUIT
SENSOR
CIRCUIT
LOGIC LOGIC LOGIC
RA
RA
RA
CIRCUIT
DRIVE
(GND)
CHECK PIN
RIGHT
LEFT
UP/DOWN
POWERFUL
SLEEP
TIMER
POWER
OFF
ON
ON
OFF SHORT
SHORT
REMOTE CONTROL NO.
DISPLAY
SEGMENT
DRIVE
DATA TRANSMISSION
RESET
OSC
4MHz
TIMER SHORTEN
RELAY
DRIVE
BUZZER
CONTROL
FAN MOTOR
SPEED
STANDBY
GND
AUTO
TEST RUN
REMOTE CONTROL COMMAND INPUT
PULSE INPUT
CLOCK
REMOTE CONTROL NO.
INTAKE AIR TEMP.
HEAT EXCHANGER TEMP.
POWER
STEPPING MOTOR DRIVE
RIGHT LEFT UP/DOWN
GENERATION
RESET SIGNAL
STEPPING MOTOR DRIVE
STEPPING MOTOR DRIVE
SEGMENT DRIVE SEGMENT DRIVE
A55DA143XKTX
Q8
SEGMENT DRIVE
A55DA143XKTX
Q7
CLOCK PULSE
GENERATION
GENERATION
CLOCK PULSE
TRANSMISSION
REGULATOR
RECEPTION
MAIN SWITCH
GENERATION
CLOCK PULSE
FAN MOTOR CONTROL
INDOOR FAN MOTOR
RY-PWR
102°C
THEROMAL
FUSE
TO OUTDOOR
DC INPUT
GND
DC/DC CONVERTER
DC OUTPUT
GND
FAN SPEED CONTROL SIGNAL
FAN SPEED CONTROL VOLTAGE
OVERCURRENT SIGNAL OUTPUT
STANDBY
3
3
2
2
1
1
&
&
&
6.1
6.1
6.1
BETWEEN
COILS AC ( V )
VOLTAGE
RESISTANCE
AT 20°C
FAN MOTOR
( )
+–
~
~
MAIN
2.5
5
5 2.5 2.5
5
5
5
5
5
5
1~3
1~2
0
0
0
5
1.1
12
0
15 - 34
5
Fig.1
Fig.2
Fig.2
2 - 3.5
21 ( 23 )
21 ( 23 )
21 ( 23 )
0
10
20
30
40
50
60
70
0 1020304050-10
Sensor (Thermistor)
Characteristics
Fig. 1
Resistance (k )
Temperature (°C)
1
2
3
Outdoor Heat Exchanger
Indoor Intake / Outdoor
Indoor Heat Exchanger
Sensor
1
2
3
Sensor
Air Sensor
Intake Air/ Indoor Heat
Fig. 2
Temperature (°C)
Voltage (V)
Temp. Data
Intake Air
3
4
2
1
0 10203040506070
Indoor Heat Exchanger
Temp. Data
Exchanger Temp.
Intake Air/ Indoor Heat
Fig. 2
Temperature (°C)
Voltage (V)
Temp. Data
Intake Air
3
4
2
1
0 10203040506070
Indoor Heat Exchanger
Temp. Data
Exchanger Temp.
Fig. 1
Fig. 2
G93KE-ECD1 6/20/00, 4:03 PM1
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