Panasonic WH-SDC12F6E5, Service Manual

Page: 32 / 179

32
9. Electronic Circuit Diagram
9.1 Indoor Unit
TE
RM
IN
AL
BO
AR
D
TE
RM
IN
AL
BO
AR
D
TE
RM
IN
AL
BO
AR
D
OP
TI
ON
AL
TO
O
UTD
OO
R
UN
IT
REAC
TO
R
TR
AN
SF
OR
ME
R
WW WB
L
BL
R
W
21 21
G BL W
W
BO
BR
R
Y
G
BL
G
R
L2
(WHT
)
CN-
T1
(WHT
)
L1
(W
HT
)
AC
1-
L3
(B
LK
)
AC
1-
N
(W
HT
)
G02 (G
RN)
FU
SE1
T6
.3
A L2
50V
G01 (G
RN)
G05 (G
RN
)
G07 (G
RN)
CN-
PW
R
(B
LK
)
CN-P
UM
P2
(W
HT
)
CN-S
OL
AR_
B
(IV
OR
Y)
DA
TA
(R
ED
)
PUM P-L
(RED)
ACN-3 V
(BLU )
ACL1 -3V
(ORG )
ACL2 -3V
(BRW)
PUM P-N
(YLW )
AC
N
(WHT
)
AC
L
(B
LK
)
GR
O
UNDI
NG
NO
IS
E
FI
LT
ER
CI
RC
UI
T
CO
M
M
UNI
CA
TI
O
N
CI
RC
UI
T
T2 (BLK
)
T1 (BL
K)
3
R 1
SW
1
SW
2
RE
CT
IF
IC
AT
IO
N
CI
RCU
IT
EL
EC
TR
O
NI
C
CO
NT
RO
LL
ER
(M
AI
N)
EL
EC
TRO
NI
C CO
NTR
O
LL
ER
(S
O
LA
R)
T3
AC
L3
(B
LK
)
AC
L-
BO
OS
TE
R
(B
RW)
AC
N-
BO
OS
TE
R2
(W
HT
)
RE
CT
IF
IC
AT
IO
N
CI
RC
UI
T
3 1
1 7
W W W W W W W
23
22
21
20
19
PU
M
P
SOLA
R
EXT
ER
NA
L
CO
NT
RO
L
TA
NK
SEN
SO
R
TA
NK
OLP
RO
OM
TH
ER
M
O
ST
AR
T
BO
OS
TE
R
HEAT
ER
HEAT
COOL
N
L
OPEN
CL
O
SE
SO
LA
R 3-
WA
Y
VAL
VE
N
SI
G
NAL
DET
ECT
IO
N
CI
RC
UI
T
NO
IS
E
FI
LT
ER
CI
RC
UI
T
SW
201
CN-RCV
2
(WHT
)
CN-V
3
(G
RN)
W
ATE
R O
UTL
ET
TE
M
P.
SEN
SO
R (
TH
ER
M
IS
TO
R)
WA
TE
R I
NL
ET
TE
M
P.
SEN
SO
R (
TH
ER
M
IS
TO
R)
RE
FR
IG
ER
AN
T
TE
M
P.
SEN
SO
R (
TH
ER
M
IS
TO
R)
1 2 3
t°
HE
X W
ATE
R OU
TL
ET
TE
M
P.
SEN
SO
R (
TH
ER
M
IS
TO
R)
t° t° t°
NO
IS
E
FI
LTER
CIRC
UIT
G
14
5
6
7
BL
RE
CT
IF
IC
AT
IO
N
CIRC
UIT
RE
CT
IF
IC
AT
IO
N
CI
RC
UI
T G08 (G
RN)
G
WA
TE
R
PU
M
P
CI
RC
UI
T
B
R
GR
GR
1
3
5
1
3
57
B
BB
18
17
16
15
14
13
Y
R
W
W
BL
W
BL
BL
W
BR
BR
W
BL
BR
12
11
10
2-W
AY
VAL
VE
N
OP
EN
CLOS
E
3-
WA
Y
VA
LV
E
N
OPEN
CLOS
E
9
8
7
SI
G
NAL
DET
ECT
IO
N
CI
RC
UI
T
TE
RM
IN
AL
BO
AR
D
TE
RM
IN
AL
BO
AR
D
CN-
V2
(W
HT
)
1
3
5
3
2
1
6
5
4
EL
CB
PO
W
ER
SU
PPL
Y 1
Si
ngl
e phas
e
AC
230V 50H
z
230V
30A
l
∆
n=
30m
A
(L
)
(N
)
BL
W
AC
N-
BO
OS
TE
R2
(B
LK
)
SU
RG
E
PRO
TEC
TI
O
N
CIRC
UI
T
12
V_
2
CN-S
OL
AR
(W
HT
)
C3 1µ 16
V
C1
0
0.
1µ 16V
R9 10
k
R1
00
1
k
C6 100µ 25
V
5V
1 2 3 4 5 6 7
22
17
14
R1
37
1
k
18
R1
38
1
k
15
CN-O
LP
1
(W
HT
)
B B
OLP
80±
3°
C
1 2
12V
_2
*R
Y-
HT
(L
3)
9
*R
Y-
HT
(L
2)
*R
Y-
HT
(L
1)
CN-
FL
OW
(Y
LW
)
FL
OW
S
W
IT
CH
BL
2 1
33
BL
11
5V
R1
25
10
k
5V
25
2
*R
12
1
*J
P7
CN
-R
EM
OT
E2
(W
HT
)
CO
NT
RO
L
PA
NE
L
R BR O BL Y
1 2 3 4
12
V_
4
12
V_
4
5V
_2
C8
4
0.
04
7µ
25
V
R1
29
4.
3k
R1
33
4.
7k
1/
4W
28
8
27
2
300
G2
G2
CN
-OLP
2
(W
HT
)
1
2
C7
3
0.
1µ 16V
*R
127 1k
R1
10
10
k
5%
4.
7k
10
k
Q2
c e
b
261 275
CN-
TH
3
(WH
T)
CN-
TH
1
(WH
T)
1 2 3 4 5 6
C1 1µ 16
V
C7
5
1µ 16
V
C8
1
1µ 16
V
C7
2
1µ 16V
C7
0
1µ 16
V
R1
15
20.
0k
R1
26
20
.0
k
R1
31
20
.0
k
R1
34
20
.0
k
R1
18
82
0
5V
26
2
26
3
26
4
26
5
26
6
C8
0
1µ 16
V
C8
2
22
0µ 10V
CN-T
HE
RM
O
(WHT
)
13
12
V_
4
1
R2
3
10
k
PC
1
ZD
2
MA
1Z
R1
5V
G2
G2
12
4
1
3
2
25 33
CN-T
H2
(W
HT
)
1
2
G
G04
(GRN)
G
G03
(GRN)
HT1- L3
(RED )
AC2- L3
(BLK )
AC2- N2
(WHT )
AC
N-
BO
OS
TE
R
(W
HT
)
SUR
G
E
PR
OT
EC
TI
ON
CI
RC
UI
T
BL
BL
BL
TE
RM
IN
AL
BO
AR
D
BAC
KU
P
HEAT
ER
OL
P
80
±3
°C
1
R
22 1
1 2
1 2
3
3
W W
O
O
BL
R
AC2- L2
(YLW )
HT1- L2
(ORG)
O
Y
W
TE
RM
IN
AL
BO
AR
D
GR
OU
ND
IN
G
EL
CB
230
V 30A
l
∆
n=
30m
A
(L1) (N
1)
PO
W
ER
SU
PPL
Y 2
Si
ngl
e phas
e
AC
230V 50H
z
BL
W
A
OLP
80±
3°C
SI
G
NA
L D
ETE
CTI
O
N
CIRC
UI
T
B
WA
TE
R
PU
M
P
1
WB
L
BR
RB
WB
L
BR
RB
74
2
31
74
2
31
M
12V
5V