Read Panasonic KX-TDA0156CE Service Manual online
17
KX-TDA0156CE
7 Troubleshooting Guide
5.0
V
5.
0V
LI
N
LO
U
T
3..
2V
DN
_
F
0
DN
_
C
4
DST
O
DST
I
3.
2V
3..
2V
3..
2V
6.
7V
3..
2V
DC
DC
O
U
T
CON
F
_
D
O
N
E
IC
105 p
in
1
BBR
S
T
IC
100 p
in
120
3..
2V
1.
8V
3.
2V
3.
2V
3..
2V
AC
S
0
RD
N
D[
0
]
1
2
”
IN
S
"
OF
F
C
heck
C
S
s
ta
tus
b
y
L
E
D
GR
E
E
N
O
N
R
e
d
F
la
s
hi
ng
Re
d O
N
C
heck
C
S
s
ta
tus
"I
N
S
" b
y
P
C
p
ro
g
ra
mmi
n
g
.
C
heck
ca
b
lin
g
b
e
tw
een C
S
a
n
d
C
S
IF
C
a
rd
Re
pl
a
c
e
c
a
bl
e
C
h
eck
G
A
_C
L
K
(16.
384M
H
z
).
Se
t a
r
a
n
g
e t
o
16.
384 M
H
z
±
2 k
H
z
C
heck
s
o
ld
er
co
nd
iti
o
n a
b
o
u
t X
1
01,
R
1
23,
R
124,
C
1
18,
C
119,
R
121,
I
C
111.
R
e
p
la
c
e X
101 i
f s
o
ld
er
in
g
i
s
O
K
.
C
heck
s
o
ld
er
co
nd
iti
o
n a
b
o
u
t X
1
00,
C
427.
R
e
p
la
c
e X
100 i
f s
o
ld
er
in
g
i
s
O
K
.
C
h
eck
S
C
L
K
(10.
368M
H
z
).
Se
t a
r
a
n
g
e t
o
10.
368 M
H
z
±
10 H
z
C
h
eck
BBR
S
T
(p
in
120 o
f I
C
100)
C
heck
s
o
ld
er
co
nd
iti
o
n a
b
o
u
t I
C
105,
R
404,
C
410,
I
C
112,
C
412,
Q
1
26,
C
411,
C
435,
R
403,
C
409.
R
e
p
lac
e
I
C
1
0
5
if
s
o
ld
e
rin
g
is
O
K
.
S
u
p
p
ly t
h
e
p
o
w
e
r f
ro
m
A
C
ad
ap
to
r
and Power Supply Adaptor. Refer to 6.2. Initial Setting.
Set DIP switch pin 5 from OFF to On.
C
heck
v
o
lt
a
g
e p
in 26,
28 o
f I
C
101
(AC
S
0
R
D
N
)
Set all DIP switches OFF.
C
o
nnect
t
o
P
B
X
.
C
heck
v
o
lt
a
g
e p
in 10,
15 o
f I
C
106
(DN
_
F
0
, D
N
_D
S
T
O
)
Ch
e
c
k
v
o
ltage
p
in
2
, 2
7
(
L
O
U
T
L
IN
)
of I
C
1
0
6
C
heck
v
o
lt
a
g
e p
in 16,
19 o
f I
C
106
(DN
_
D
S
T
I DN
_
C
4
)
C
heck
s
o
ld
er
co
nd
it
io
n a
b
o
u
t I
C
100,
R
422,
R
423.
R
e
p
la
c
e I
C
100 i
f s
o
ld
er
in
g
i
s
O
K
.
C
h
eck
D
N
_C
4(4.
096M
H
z
).
Se
t a
r
a
n
g
e t
o
4.
096 M
H
z
±
500
H
z
C
h
eck
s
o
ld
er
co
nd
iti
o
n a
b
o
u
t X
102,
C
5
0
7,
C
5
08,
R
5
1
5,
I
C
106,
I
C
110,
R509, R51
4
.
R
e
p
lac
e
X
1
0
2
if
s
o
ld
e
rin
g
is
O
K
.
R
e
p
la
c
e I
C
10
6
C
heck
s
o
ld
er
co
nd
it
io
n a
b
o
u
t T
100,
C50
4
,C50
5
, C50
6
, R50
4
, R50
5
, D
602.
C
o
nnect
C
S
t
o
P
B
X
J
u
m
p
t
o
fl
ow
cha
rt
of
"C
heck
D
C
v
o
lt
a
g
e"
J
u
m
p
t
o
fl
ow
cha
rt
of
"
C
h
e
c
k
D
C
vo
lt
ag
e
"
C
h
a
n
g
e
C
S
s
ta
tus
"I
N
S
" b
y
P
C
p
ro
g
ra
mmi
n
g
.
”
OUS
"
OK
C
heck
V
o
lta
g
e o
f T
ra
n
g
is
to
r(Q
450) Ba
s
e
is
3.
2V
C
heck
V
o
lta
g
e o
f T
ra
n
g
is
to
r(Q
451) Ba
s
e
is
0
V
C
heck
C
a
th
o
d
e o
f L
E
D
(D
451) i
s
0V
C
heck
C
a
th
o
d
e o
f L
E
D
(D
453) i
s
3.
2V
C
heck
s
o
ld
er
co
nd
it
io
n a
b
o
u
t p
in 26 o
f
IC
103,
R
441
.
Re
p
la
ce I
C
103 i
f s
o
ld
er
in
g
is
O
K
.
C
heck
s
o
ld
er
co
nd
it
io
n a
b
o
u
t p
in 27 o
f
IC
103,
R
452.
R
e
p
la
c
e I
C
103 i
f s
o
ld
er
in
g
i
s
O
K
.
C
heck
s
o
ld
er
co
nd
it
io
n a
b
o
u
t D
451,
R
443,
R
445,
D
450 a
n
d
Q
4
50.
R
e
p
la
c
e Q
450 i
f s
o
ld
er
in
g
i
s
O
K
.
C
heck
s
o
ld
er
co
nd
it
io
n a
b
o
u
t D
453,
R
448
, R
450,
D
452 a
n
d
Q
451.
R
e
p
la
c
e Q
451 i
f s
o
ld
er
in
g
i
s
O
K
.
S
u
p
p
ly
t
he p
o
w
e
r fr
om
A
C
a
d
a
p
to
r
and
Power Supply Adaptor.
Refer to 6.2. Initial Setting.
Set DIP switch pin 5 from OFF to On.
Fi
g
. R
e
s
e
t s
ig
na
l (
s
ta
rt up
)
F
ig
. I
C
101(
F
-R
O
M
) a
c
ces
s
Fi
g
. H
ig
hw
a
y
si
g
na
l
Fi
g
. P
B
X
recei
v
e/tra
ns
fe
r s
ig
na
l
C
h
eck
s
o
ld
er
co
nd
it
io
n a
b
o
u
t I
C
106.
Re
p
la
ce I
C
106 i
f s
o
ld
in
g
is
O
K
.
C
heck
V
e
rs
io
n b
y
s
e
rv
ice J
IG
ca
b
le.
If
OK
, BBI
C
(I
C
100) i
s
OK
..
(R
e
fe
r t
o
S
ect
io
n 9.
1.
3.
)
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
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