Read Panasonic KX-NS0154CE (serv.man2) Service Manual online
6
KX-NS0154CE
4 Technical Descriptions
4.1.
Block Diagram
3.
3V
1.
2V
RF
Cir
cuit
AN
T
AN
T
RX
_S
W
LNA
_I
NN
LNA
_I
N
TC_S
B
AL_O
UT
B
SL_O
UT
2
VCC_P
DQ
0~3
IC502 32
Mb
Q
SPI
Se
ria
l F
la
sh
3.
3V
S#
C
IC501 DCX
81
(Su
bD
SP)
RF
Q
SPI
IF
DCX
_B
O
O
T
S
YNC0
DV
F_RE
AD
DV
F_T
XRE
DCX
1_RE
A
DCX
1_T
XRE
S
PI
1_CS
S
P
I1_CL
SPI
_D
O
SPI
_D
I
DCX
1_R
TD
MA
_SC
TD
MA
_F
S
TDM
A_RX
TD
M
A_
T
UT
X
URX
X501
Se
ria
l T
est
Po
in
t
13.
824M
H
XI
N
XO
U
T
IC704
B
uffe
r
3.
3V
1.
2V
DQ
0~3
IC504 32
Mb
Q
SPI
Se
ria
l F
la
sh
3.
3V
S#
C
IC503 DCX
81
(Su
bD
SP)
Q
SPI
IF
DCX
_B
O
O
T
DV
F_RE
ADY
DV
F_T
XRE
Q
2
DCX
2_RE
AD
DCX
2_T
XRE
S
P
I2_CS
S
P
I2_CL
SPI
2_
D
S
P
I2_DI
DCX
1_RS
TD
MB_
SC
L
TD
MB_
FSY
N
C
TDM
B
_RX
TD
M
B
_TX
D
UT
X
URX
Se
ria
l T
est
P
oint
XI
N
TD
M
IF
SPI
IF
TD
M
IF
SPI
IF
XI
N
3.
3V
TD
M
IF
SPI
IF
TD
M
IF
SPI
IF
3.
3V
1.
2V
JT
AG
T
est
P
oint
JT
AG
T
est
P
oint
1.
8V
3.
3V
P
HY
_RS
MD
C
MD
IO
M
II_CO
L
M
II_RX
D
MI
I_
TX
C
MI
I_
TX
C
M
II_
TX
D0~3
MI
I_
TX
E
MI
I_
TX
E
M
II_RX
E
M
II_CRS
M
II_RX
D0~3
LI
NK
I2C_S
DA
IC302 PH
Y
I2C_CLK
XI
N
XO
U
T
X201
13.
824M
H
XI
N
IC301 PL
L
IC
13.
824M
H
25M
Hz
12M
Hz
3.
3V
T301 TR
AN
S
F
O
R
MER
P0
R
XP
P0
R
XN
P0
TX
N
P0
TX
P
LF
302
LF
301
JK3
02
LA
N
JA
C
K
D30
D30
IC303 Po
E
IC
1.
8V
MI
I I
F
UT
X
URX
Se
ria
l T
est
P
oint
TD
O,T
D
I,T
M
S
,
TCK
,RT
CK
TD
O,T
D
I,T
M
S
,
TCK
,RT
CK
JT
AG
T
est
P
oint
TD
O,T
D
I,T
M
S
,
TC
K
,RT
CK
VB
U
,U
S
B
P
,U
S
B
N
JK3
01
US
B
I2C_I
F
U
SB_
IF
IC102
1G
b
NA
ND
FL
AS
H
NF
LD0~7
NF
LRE
ADY
NF
LRD
NF
LW
R
NF
LCS
0
NF
LCLE
NF
LA
LE
FLA
S
H_I
3.
3V
LE
D
R
ESET
SW
D
IP
SW
IC101
1G
b
S
DRA
M
DDR_DA
0~1
DDR_DQ
0~1
DDR_CK
, DDR_/
CK
,
DDR_CK
E
,CCR_CS
0,
DDR_O
DT
,DDR_UDM
,
DDR_LDM
,DDR_/
W
E
,
DDR_/
CA
S
,DDR_/
RA
S
,
DDR_/
UDQ
S
,DDR_UDQ
S
,
DDR_/
LDQ
S
,DDR_LDQ
S
1.
8V
D101,
D102,
D10
SW
10
SW
30
JK7
01
DC
IC702
IC703
IC701
3.
3V
DC/
D
1.
8V
DC/
D
1.
2V
DC/
D
3.
3V
1.
8V
1.
2V
IC201
R
ESE
T
IC
IC100 DV
F9918
(C
PU
&D
SP)
JT
AG
_I
F
UA
RT
_I
F
JT
AG
_I
F
UA
RT
_I
F
JT
AG
_I
F
UA
RT
_I
F
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