Panasonic CS-NE12PKE, Service Manual, Page: 19 / 109

19
9. Electronic Circuit Diagram
9.1 Indoor Unit
5V
R3
0
B21
BZ
E
LEC
T
R
O
N
IC
CO
NT
R
O
LLE
R (MA
IN
)
4 3 2 1
W W W W
4 3 2 1
1 2 3 4
FU
S
E
3
0
1
T
3
.15A L250
V
RY
-P
W
R
RY
-P
W
R
2
Y/
G
Y/
G
TE
M
P
. F
U
S
E
102
°C
(
3
A
)
TE
M
P
. F
U
S
E
102
°C
(
3
A
)
EV
AP
O
R
A
T
OR
1 2 3
A
C
304
(RE
D
)
A
C
303
(W
HT
)
G301 (G
RN
)
L
W
R
G
P
BL BR
TE
RMI
N
A
L
BO
AR
D
G
R
O
U
NDI
NG
TE
R
M
IN
A
L
L
N
TO
OU
TD
O
O
R
UN
IT
CN
-F
M (W
HT
)
1 4 7
NO
IS
E
FIL
T
E
R
CI
RCUI
T
B Y
W BL
R
M
FA
N
MO
TO
R
RE
CTI
F
IC
A
T
IO
N
CI
RCUI
T
12V
4.7k
47
k
c
b
e
5V
10k
10k
c
c
e
b
b
e
12V
2
190
5V
W W W W
G
R
O
UNDI
NG
TE
R
M
IN
A
L
CO
M
M
UNI
CA
T
IO
N
CI
RCUI
T
W W W W W W W W W W W
11 10
9 8 7 6 5 4 3 2 1
10k
Q302
Q301
R
301
LE
D
301
2
3 1
POW
E
R
(G
RE
E
N
)
DE
IC
E
(B
L
U
E
)
4.7k
e c
b
5V
10
k
4.
7k
e c
b
R
308
12V
5V
R
302
TI
ME
R
LE
D
3
0
2
(o
range)
LE
D
3
0
3
(g
reen)
LE
D
3
0
4
(g
reen)
AU
T
O
C
O
M
F
(b
lue)
LE
D
305
N
anoe-
G
(o
range
) LED
306
Qui
e
t
(o
range
) LED
307
Po
w
e
rf
u
l
R
303
R
304
R
305
R
306
R
307
2 3 4 5 6 7 8 9
10 11
1
C1
C3
R5
8
R9
1
R9
2
+
5V
5V
5V
IC
201
R
209
V
out
1
Vc
c
2
45
GN
D
GN
D
C
201
C
2
0
2
GN
D
3
c
SE
N
201
e
5V
C
N
-RCV
CN-RCV
Y
E
L
L
O
W
CN-DI
S
P
WHI
T
E
G
ND-A
G
ND-A
R
214
ELE
C
T
R
O
N
IC
CO
NT
R
O
L
L
E
R
(DI
S
P
LA
Y
)
ELE
C
T
R
O
N
IC
CO
NTRO
L
L
E
R
(R
E
C
EI
VE
R
)
R3
7
10k
R8
5
R9
0
C5
2
C
5
1
R8
2
C4
5
R5
4
27
0
1
2
3
4
1
2
3
4
1
2
3
4
5
5V
R2
6
5V
12V
5V
5V
R
8
3 1k
R
84 1k
UP
DO
W
N
LOU
V
E
R
M
O
T
O
R
(O
UT
E
R
)
CN-S
T
M
1
WHI
T
E
BR
1 2 3 4 5
1 5
R O
M
Y P
9
1 2 7 6 5 4 3
8
16 15 10 11 12 13 14
R4
7
R4
6
IC
03
12V
12V
UP
DO
W
N
LOU
V
E
R
M
O
T
O
R
(I
NNE
R)
CN
-S
T
M
4
B
L
U
E
BR
1 5 4 3 2
1 5
R O
M
Y P
12V
12V
9
16 15 10 11 12 13 14
1 2 7 6 5 4 3
8
IC
06
*R
2
*R
3
*Q
0
2
*Q
0
1
*C
2
3
*R1
4
*C
2
4
*C
2
6
*C
2
9
*CN-C
L
N
PI
PI
N
G
T
E
M
P
. SE
N
S
O
R
2
1 2 3 4 5 6
5V
t
0
t
0
PI
PI
N
G
T
E
M
P
.
SE
N
S
OR
1
t
0
S
UCT
IO
N TE
M
P
.
S
E
NS
O
R
R6
2
C2
5
R6
1
C2
7
R6
3
C2
8
*CN-TH
*R1
2
*R
1
0
*Q0
4
*R
2
1
3
*R
2
1
2
*R
21
1
*R
2
1
0
*J
P201
*J
P202
*J
P203
*J
P204
G
ND-A
*CN-CN
T
*CN-RM
T
*CN-NM
O
D
E
*C
5
7
*R
7
4
*R
7
5
*C
4
1
*L
5
*L
6
*C
5
6
*C
4
8
NO
NE
*C
4
7
NO
N
E
*C
4
9
NO
NE
*CN-DI
S
P
Y
E
LLOW
BL
MINUS IO N
GE NERA TO R
CN2
GN
D
G
HIG H
VOLT AGE
POW ER
SUP PLY
4 1
CN1 (WHT)
RE
MO
T
E
CO
N
T
RO
L
L
E
R
3
70 60 50
Resi sta nce (k Ω )
Te
m
pe
rat
ure
(ºC
)
Se
ns
or
(Th
erm
is
to
r)
Ch
ar
ac
te
ris
tic
s
40 30 20 10
-1
0
0
10
20
30
40
50
0
Pip
e
Te
m
p.
Se
ns
or
In
ta
ke
Air
Te
m
p.
Se
ns
or
1
1
2
2
SI
N
G
LE
PH
AS
E
POW
E
R
SU
P
P
L
Y
1ø
230V
50H
z
(T
H
E
R
M
IS
T
O
R
) (
15K
, 3950)
(T
H
E
R
M
IS
T
O
R
) (
20K
, 3950)
(T
H
E
R
M
IS
T
O
R
) (
20K
, 3950)