KX-TDA0158CE - Panasonic PBX Service Manual (repair manual). Page 5

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5
KX-TDA0158CE
4 Technical Descriptions
4.1.
Block Diagram
4.1.1.
Main Board
FP
G
A
IC
103
FLA
S
H
 R
O
M
(3
2
M
b
it)
IC
101
AD
2
3
-A
D
1
DA
B
1
5
-DA
B
0
RE
S
E
T
FP
G
A
BBI
C
IC
100
R
F
 o
u
t/i
n
R
F
 M
odul
e
 IC
 8
0
0
R
SSI
,R
XD
A
AN
T
1
AN
T
2
A
n
tenna 1
A
n
te
nna 2
D
800
(A
nt
enna S
w
it
c
h
)
X
100
(10.
368M
H
z
)
IC
201
2.
5V
 R
eg.
D1
R8
V
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
C
onv
er
te
r I
C
IC
203 5.
5V
D5
R5
V
RF
_
V
P
C
M
 I/F
FS
C
0
FS
C
1
PC
M
 I
/F
D1
R2
V
X
101
(16.
384M
H
z
)
S
RAM
(2
M
b
it)
IC
102
AC
S0
AC
S1
UT
X
URX
C
N
101
T
e
s
t m
ode
s
o
ft
w
ar
e D
.L.
c
onnec
to
r
Re
d
PA[
0
]
RF
_
V
AC
S2
AC
S2
/C
S
1
D1
R2
V
D1
R8
V
D3R2V
D3
R2
V
D3
R2
V
Q
200
Q
210
S
P
I I/F
C
N
102
SPI
 i
/f
c
o
nnec
to
r
SPI
D
O
SPI
C
L
K
SPI
D
I
C
N
103
(10p
in
)
Q
201
C
231,
232,
233
1.
0F
×
3
/C
E
D
C
/D
C
 out
put
vo
lt
age c
ont
ro
l
C
N
100
P
D
R
1
[3
:0
]
S
tar
t-
up
c
ont
ro
l
ci
rc
u
it
ADP
CM
Tr
an
sco
d
e
r
 IC
1
0
7
Ec
h
o
can
cel
le
r
 IC
1
0
6
PA[
1
]
R
F
 o
u
t/i
n
R
F
 M
odul
e
 IC
 8
0
1
Tx
D
A
SK
SO
LE
P2
[2
]
D3
R2
V
G
reen
Q
701
D3
R2
V
P2
[5
]
RF
_
V
PA_
V
PA_
V
GA2R5V
nC
S
DA
T
A
DCL
K
ASD
I
VC
C
GN
D
H
T
ran
s.
T
100
+
D3
R2
V
-
D3
R2
V
L
H
T
ran
s.
T
101
+
D3
R2
V
-
L
H
T
ran
s.
T
102
+
D3
R2
V
-
L
H
T
ran
s.
T
103
+
D3
R2
V
-
L
+
PAO
N
RF
CL
K
RX
DS
G
P
D
R
0
[3
:0
]
PD
X1
[3
:0
]
PD
X0
[3
:0
]
Q
211
SC
L
K
Q
700
S
W
100
D
IP SW
(6bi
t)
IC
204
2.
5V
R
eg.
G
A
2R
5V
IC
200
1.
2V
 R
eg.
IC
202
2.
18V
R
eg.
PA_
V
KX-TD
A0158CE :
 BLOCK DIA
GRAM
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