Panasonic KX-NS0154CE (serv.man2) Service Manual ▷ View online
33
KX-NS0154CE
13.2.2.
No.(8)-(15)
25.0MHz
(8)RF(IC501) RESET at Power ON
(9)RF ROM IF(IC502)
(10)EC(IC503) RESET
(11)EC ROM IF(IC504)
(12)PHY(IC302) CLK = 25MHz
(13)PHY(IC302) RESET
(14)PHY(IC302) IF TX/RX
(15)SPI RF(IC501)-DVF(IC100)
At the time of power supply ON
At the time of power supply ON
At the time of power supply ON
At the time of power supply ON
At the time of power supply ON
At the time of power supply ON
R505
/CS(Pin1)
CLK(Pin6)
/CS(Pin1)
DO(Pin2)
CLK(Pin6)
R339
DI(R518)
CLK(R314)
DO(R315)
DO(Pin2)
R536
Pin32
TX(T301 Pin1)
RX(T301 Pin6)
34
KX-NS0154CE
13.2.3.
No. (16)-(18)
(16)SPI EC(IC503)-DVF(IC100)
(17)TDM RF(IC501)-DVF(IC100)
(18)TDM EC(IC503)-DVF(IC100)
At the time of power supply ON
At the time of power supply ON
DI(R549)
CLK(R727)
DO(R316)
CS(R318)
CLK(R728)
DTX(R317)
DRX(R508)
FSYNC(R729)
CLK(R732)
DTX(R731)
FSYNC(R730)
DRX(R541)
35
KX-NS0154CE
14 Printed Circuit Board
14.1. Component View
1
2
2
5
1
2
4
4 8
REF1
C204
C205
C
2
0
6
C
2
0
7
C
2
08
C209
C210
C211
C212
C213
C214
C
2
15
C
2
1
6
C
2
1
7
C218
C219
C
22
0
C
22
1
C
222
V
BU
S2
U
S
BN
2
U
S
BP
2
U
S
B_DG
2
F301
C
2
3
2
C
2
35
L101
L301
L30
2
L304
L305
L308
L309
IC201
L310
L506
L312
L507
L314
L31
7
L318
L706
L
7
0
7
L514
L3
2
1
L3
22
R101
R103
R303
R501 R50
2
R503 R504
R505
R311
R312
R313
R508
R314
R315
R317
R319
R127
R128
R129
R515
R517
R518
R130
R519
R131
R132
R133
R134
R13
7
R139
R330
C101
R5
2
5
C10
2
R5
26
R527
C104
R528
C105
R5
2
9
C106
C107
C108
C109
R339
R530
C301
R531
C302
R533
C110
R534
C111
C305
C112
C306
R53
6
C113
C30
7
R343
C114
C115
C309
C116
R346
C119
R349
C501
C505
C311
R541
C312
C314
C120
R350
C315
C1
2
1
R351
C1
22
R35
2
C1
2
3
R353
C1
2
4
C318
R354
C1
2
5
C319
C126
C127
C1
2
9
C513
C321
R55
2
C517
C130
C131
C131
C132
C326
C327
C328
R364
R558
R365
R366
R367
C5
2
0
C525
C331
C335
C
72
0
C34
7
C348
C349
C541
C542
C543 C545
C546
C353
C548
C354
C355
D101
D10
2
C550
C551
C552
L
2
01
IC102
L
2
10
IC301
IC302
IC502
IC503
R
2
03
R
2
04
R205
R206
R
2
0
7
D104
R334
C313
R372
C336
R373
C337
C
2
03
PCLK
R302
R331
C35
6
PoEDCDCO
POEOUT
3.2V
1.85V
R333
C
2
01
C
22
3
C234
C
2
40
L30
7
R
7
1
2
R
7
13
R727
R728
C308
R151
R15
2
R732
C1
2
8
R3
6
8
R3
6
9
R370
R371
C730
L
2
09
R
2
01
BCLK
R154
R561
R562
C725
IC
7
04
R542
C225
C226
C226
C227
C228
C229
C230
L203
L204
L204
L205
L206
L207
L208
L513
R535
R53
7
R538 R539 R540
C544
C54
7
C549
C558
X
501
C557C556
R559
R509
R560
C506
C508
C
72
4
DG4
URX3
UTX3
L709
KX-NS0154CE MAIN BOARD Bottom View
36
KX-NS0154CE
14.2. Bottom View
E
E
E
1
5
9
8
6
7
1
2
7 8
9
1 0
1
2
A
1
A
19
W19
W1
A
9
P 9
R 1
A
1
R 8
1
PNLB2296Z
A
REF
2
O N
KX-NS0154
CE
LA
M
R
2
11
11
C
2
0
0
2
X2
01
V
BU1
USBN1
USBP1
USB_DG1
C
22
4
4
F30
2
C231
C
2
3
3
7
C
2
38
38
C239
SY
NCO
Timer
F
7
01
01
Q
101
Q
10
2
2
Q
103
L303
L311
L313
L315
L31
6
L319
L701
L702
L
7
03
03
L
7
04
04
L
7
05
05
L3
2
0
2
0
S
W101
L3
2
3
2
3
R102
R104
J
K301
R105
R106
R10
7
R108
R109
R301
R110
R304
R111
R305
R11
2
R30
6
R113
R30
7
R308
R114
R115
R11
6
R11
7
R118
R119
R1
2
0
2
0
R1
2
1
2
1
R1
22
22
R316
R1
2
3
2
3
R318
R1
2
4
2
4
R
7
01
01
R1
2
5
2
5
R
7
0
0
2
R1
26
26
R
7
03
03
R
7
04
04
R
7
05
05
R320
R3
2
1
2
1
R322
R323
R324
R325
R326
R327
R
7
10
10
CN501
R
7
11
11
R135
CN502
R
7
18
18
C103
C303
R340
C304
R341
R34
2
R344
R345
C117
R347
C118
R348
C310
R546
R548
LF301
R355
C
7
01
01
LF30
2
R35
6
C702
R35
7
C
7
03
03
R358
C
7
04
04
R359
C
7
05
05
C
7
0
0
6
C3
2
0
2
0
C
7
09
09
C3
22
22
C3
2
3
2
3
R553
C3
2
4
2
4
R3
6
0
6
0
R554
C325
R361
R555
R362
R556
R3
6
3
6
3
R557
C
7
10
10
C3
2
9
2
9
C713
C715
C716
C
7
1
1
7
C330
C
7
18
18
C
7
19
19
C33
2
C333
C334
C338 C339
C723
C340
C341
C34
2
C343
C344
C345
C346
C350
C351
C35
2
C553
D301
D30
2
D304
D305
D30
6
D501
D50
2
L202
IC100
IC101
D
7
01
01
L211
IC303
T301
IC504
IC
7
01
7
01
IC702
IC703
R
2
0
0
2
R
2
09
09
R
7
0
0
7
C
7
08
08
R
7
0
0
6
C
7
0
0
7
R549
Q
30
2
2
DG1
DG2
R733
C714
C726
C727
C727
C728
C729
D
7
0
0
2
D
7
03
03
S
W301
R
7
19
19
R
72
0
0
R
72
1
1
R
722
R
72
3
3
R
72
4
4
R
72
5
5
R
726
R332
R729
R730
R731
C357
URX1
UTX1
URX2
UTX2
R53
2
Q
104
R140
R141
R153
DG3
U_DG
1 2 3 4 5 6 7 8 9
A
B C D E F G H I
V
IN
KX-NS0154CE MAIN BOARD Component View
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