Read Panasonic KX-TDA0156CE Service Manual online
5
KX-TDA0156CE
4 Technical Descriptions
4.1.
Block Diagram
4.1.1.
Main Board
KX-TDA0156CE MAIN BOARD
S
RAM
(2
M
b
it)
IC
1
0
2
F
L
AS
H RO
M
(3
2
M
b
it)
IC
1
0
1
D1
R5
V
FP
G
A
IC
1
0
3
AD
2
3
-A
D
1
DA
B
1
5
-DA
B
0
R
ESET
FP
G
A
BBI
C (
S
C1
4
4
2
9
C
N
F
)
IC
1
0
0
X1
0
0
(1
0.
368M
H
z
)
IC
2
0
1
2.5V
R
e
g
.
D3
R2
V
LD
O
1
LD
O
2
A
d
d
ress/
D
a
ta
B
u
s
F-
R
S
T
D3
R2
V
DC/
DC
Co
n
ve
rt
o
r
IC
2
0
3
6.7V
DCDCO
UT
PC
M
I
/F
FS
C
0
FS
C
1
PC
M
I
/F
D1
R5
V
X1
0
1
AC
S0
AC
S1
UT
X UR
X
CN1
0
1
Test mode
software D.L.
connector
(R
S
2
3
2
C
i
/f)
Re
d
GPI01
R
F
2R5V
AC
S2
AC
S2
/C
S
1
D1
R8
V
G
A
3R
2V
D3
R2
V
D3
R2
V
G
A
3R
2V
Q3
2
0
Q3
2
1
/C
E
CN1
0
0
GPI00
P2
[2
]
D3
R2
V
Gr
e
e
n
Q4
5
0
D3
R2
V
H
Tr
a
n
s
.
T1
0
0
＋
−
L
SC
L
K
Q4
5
1
SW
1
0
0
D
IP SW
(6
b
it
)
T
R
＋
−
DNI
C
IC
1
0
6
S
tar
t-
up
co
n
tr
o
l ci
rc
u
it
C
3
39,
340,
341,
342
1.0 F
×
4
IC
1
0
4
C
o
nf
ig
ra
ti
on
RO
M
PA_V3.3V
IC
2
0
0
1.
5V
R
e
g.
IC
2
0
4
4.
9V
R
e
g.
DNI
C5
V
D1
R8
V
RF1R8V
IC
2
0
2
3
.3V
R
e
g
.
DNI
C5
V
(1
6.
384M
H
z
)
+
++
+
+
+
A
n
te
nna 2
A
n
tenna 1
D90
0
(A
nt
enna S
w
it
c
h
)
R
F2R5V
R
F1R8V
T
x
D
A
SK
R
F
C
L
K SO
RxDSG LE
PA_
V
3.3V
AN
T
2
AN
T
1
RF out/in
RF Module
IC900
R
F2R5V
R
F1R8V
PA_
V
3.3V
AN
T
2
AN
T
1
RF out/in
RF Module
IC901
RxDA
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