Read Panasonic KX-NCP1173XJ (serv.man2) Service Manual online
6
KX-NCP1173XJ
5 Technical Descriptions
5.1.
Block Diagram
BACK BOARD
+3
.3
V
Por
t#
5
Por
t#
6
Por
t#
7
Sa
m
e
as
“
P
o
rt
#
1
”.
Sa
m
e
as
“
P
o
rt
#
1
”.
S
a
m
e
as
“
P
o
rt
#1”
.
+1
5
VPT
+
15V
+
40V
H
W
C
L
K([
1
]
CP
[0
]
nC
S
[1
]
V
R
EF
+
VR
E
F-
nB
R
E
Q
nB
A
C
K
nI
R
Q
[0
]
L_n
R
S
T
nW
A
IT
nW
R
nR
D
nC
S
I
LA
[12:
0]
L
D
[7
:0
]
M
O
D
E
[5
:0
]
P
O
[7
:0
]
n
R
ESET
P
LLC
LK
HW
C
L
K
[0
]
P
3
[3
:0
]
P
2
[5
:4
]
R
X[
3
:0
]
E
C
_C
LK
E
C
_A
D
[15:
0
]
EC
_
P
A
R
EC
_
F
R
A
M
E
E
C
_
T
RDY
EC
_
S
T
O
P
EC
_
BE[
1
:0
]
EC
_
PER
R
EC
_
IN
T
EC
_
ID
SEL
EC
_
N
R
S
T
CT
_
N
E
T
RE
F
CT
_
F
RA
M
E
_
A
C
T
_C
8_A
C
T
_
D
[7
:0
]
CP
[0
]
A
[4:
0]
D
[7:
0]
ASI
C
(C
ID
)
nW
R
nR
D
nR
E
S
VR
E
F
CO
NT
nR
E
S
J
U
M
PER
R
ESET
IC
XT
A
L
16.
38
4
MH
z
J
U
M
PER
D
T
L[
3:
0]
R
inger
(
75V
rm
s
)
CO
DE
C
PEB
2466
ASI
C
(e
SAM
SO
N)
EC
_
D
ET
C
T
_
C
B_
A
RI
N
G
E
R
HW
C
L
K
HW
C
L
K
NC
S
1
HW
C
P
NW
R
NR
S
T
NR
D
UH
W
[0
]
nC
S
[1
]
XT
AL
4.096MH
z
UH
W
D
DR[
3
:0
]
P
1
[3
:0
]
D
T
H
[3:
0]
C
S
_D
LY
_D
T
AC
_
A
L
M
nC
S-
D
M
A
DO
UT
DI
N
DCL
K
CS
DRA
DRB
DX
A
DX
B
PC
L
K
MC
L
K
DI
N
DO
UT
DCL
K
C_
CS
[
1:
0]
FH
LD
H
W
[0
]
LU
H
W
[0
]
C_
CS
[1
:0
]
DH
W
[0
]
UH
W
[0
]
CL
K
FS
C
FH
Se
rg
e
EM
C
TA
RA
Be
ll R
e
la
y
O
PEAM
P
D
C
F
eedi
ng(
+30V
)
D
C
Feedi
ng(
G
N
D
)
Hook-Det
&
Ri
ngtr
ip-Det
Be
ll
Re
la
y
Dr
iv
e
r
DT
M
F
RE
C
1/4
SLT I
/F
nT
O
E
[0
]
ST
D
[0
]
n
H
OOK
[0
]
B
E
LL[
0]
D
[3:
0]
nT
O
E
[7
]
ST
D
[7
]
D
[3:
0]
n
H
OOK
[7
]
B
E
LL[
7]
nT
O
E
[7
]
ST
D
[7
]
D
[3:
0]
n
H
OOK
[7
]
B
E
LL[
7]
P2
0
P
5
[3
:0
]
T
D
E
[3:
0]
P
4
[3
:0
]
P
22
P
23
nC
S
0
nR
E
S
R
ESET
DR
IV
E
R
DR
IV
E
R
+3
.3
V
MO
D
E
4
P
O
[7
:0
]
JU
M
PER
8
Por
t#
2
Por
t#
3
Por
t#
4
Por
t#
8
Sa
m
e
as
“
P
o
rt
#
1”
.
Sa
m
e
as
“
P
o
rt
#
1”
.
Sa
m
e
as
“
P
o
rt
#
1”
.
Sa
m
e
as
“
P
o
rt
#
1
”.
nT
O
E
[6
]
ST
D
[6
]
D
[3:
0]
n
H
OOK
[6
]
B
E
LL[
6]
nT
O
E
[6
]
ST
D
[6
]
D
[3:
0]
n
H
OOK
[6
]
B
E
LL[
6]
nT
O
E
[5
]
ST
D
[5
]
D
[3:
0]
n
H
OOK
[5
]
B
E
LL[
5]
nT
O
E
[5
]
ST
D
[5
]
D
[3:
0]
n
H
OOK
[5
]
B
E
LL[
5]
nT
O
E
[2
]
ST
D
[2
]
D
[3:
0]
n
H
OOK
[2
]
B
E
LL[
2]
nT
O
E
[2
]
ST
D
[2
]
D
[3:
0]
n
H
OOK
[2
]
B
E
LL[
2]
nT
O
E
[4
]
ST
D
[4
]
D
[3:
0]
n
H
OOK
[4
]
B
E
LL[
4]
nT
O
E
[4
]
ST
D
[4
]
D
[3:
0]
n
H
OOK
[4
]
B
E
LL[
4]
nT
O
E
[1
]
ST
D
[1
]
D
[3:
0]
n
H
OOK
[1
]
B
E
LL[
1]
nT
O
E
[1
]
ST
D
[1
]
D
[3:
0]
n
H
OOK
[1
]
B
E
LL[
1]
nT
O
E
[3
]
ST
D
[3
]
D
[3:
0]
n
H
OOK
[3
]
B
E
LL[
3]
nT
O
E
[3
]
ST
D
[3
]
D
[3:
0]
n
H
OOK
[3
]
B
E
LL[
3]
DO
UT
DI
N
DCL
K
CS
DRA
DRB
DX
A
DX
B
PC
L
K
MC
L
K
FS
C
R
ESET
C_
CS
[1
]
C_
CS
[0
]
O
n
-B
oar
d
R
inger
+
40V
+
15V
20H
z
/25H
z
S
ignal
+5
V
DC
/D
C
DC
/D
C
DC
/D
C
DC
/D
C
+2
.5
V
DC
/D
C
DC
/D
C
KX-NCP1
173XJ BLOCK DIAGRAM
Click on the first or last page to see other KX-NCP1173XJ (serv.man2) service manuals if exist.