Panasonic KX-UT113RU / KX-UT113RU-B / KX-UT123RU / KX-UT123RU-B (serv.man3) Service Manual ▷ View online
61
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
(3
)
(4
)
(5
)
(6
)
(7
)
(d)
(e)
(f)
(g)
(h
)
K
X
-U
T
113
RU
MA
IN
B
O
A
R
D
N
o
.1
4
/4
4/
4
E
F
G
H
8
7
11
10
9
12
E _R X D3
E_
R
X
D
V
S
D_C
K
E
SC
L
K
L
C
D_C
S
S
D_C
L
K
E _R X D2
E _C R S
E _C OL
E _R X D0
E _R X D1
E_
R
X
C
L
K
I2C _S C L
E_
T
X
D
3
R5
5
7
100
DG
DG
P
D
N
003
S P P 004
MIP 004
H
SSP
O
U
T
P
0
0
4
AG
AG
HE
A
D
S
E
T
_
M
IN
004
HS
M
IC
IN
P
004
R 550
47
C5
5
4
NC
IC
501
E 5
V C C 1
E 6
G ND1
E 7
V C C 2
E 8
G ND2
E 9
V C C 3
E 10
AG P IO12
E 11
AG P IO15
E 12
AG P IO14
E 13
AG P IO13
F 1
S P OUT P
F 2
MIN
F 3
DG P IO4
F 4
V C C A
F 5
G NDP A
F 9
G ND3
F 10
V C C 4
F 11
E G P IO10
F 12
AG P IO10
F 13
AG P IO11
G 1
HS S P OUT N
G9
VD
D
2
G1
0
CG
P
IO
6
G1
1
CG
P
IO
1
3
G1
2
AG
P
IO
8
G1
3
CG
P
IO
8
H1
H
SSP
O
U
T
P
H2
DC
IN
3
/AP
DN
H3
VR
E
F
H4
LI
N
0
H5
GN
D
A
H9
GN
D
5
H1
0
CG
P
IO
1
H1
1
CG
P
IO
7
H1
2
CG
P
IO
2
H1
3
AG
P
IO
7
J1
HS
M
IP
J2
HS
M
IN
J3
V
CCI
N
J4
VD
D
1
J5
VC
C
5
J6
GN
D
6
J7
VC
C
6
J8
GN
D
7
J9
VC
C
7
J10
AG
P
IO
6
J11
CG
P
IO
4
G 2
MIP
G 3
DC IN2
G 4
G ND4
G 5
V C C P A
DG
VC
C
P
A
VC
C
A
HS S P OUT N 004
R
5
64
100
AG
ST
1
ST
2
R 587
F 10k
FB_
1
V
DG
DG
DG
DC
DC
_O
U
T
FB_
1
V
AG
DG
R
591
0
R 592
1
V
CC_
2
V
F B 1V
C 563
0.01u
C 574
NC
DG
DG
D5
0
2
NC
L5
1
4
33u
V
C
C
_DS
P
C 536
0.1u
C 541
0.1u
C5
4
9
0.
1u
C
5
50
0.
1u
C
5
52
0.
1u
C5
5
7
0.
1u
C5
5
8
0.
1u
C
570
0.
1u
C
5
51
10u
C
5
53
10u
C5
5
9
10u
C 561
10u
C
564
10u
RA
5
1
1
47
27
C5
0
9
0.
1u
DG
AG
D503
R 590
10k
R 589
10k
R 588
F 12k
R5
6
2
270
L
515
C 543
1000p
C 542
1000p
R5
6
3
R 559
DG
DG
Q
505
DG
DG
C 576
470p
C5
7
7
1u
C 579
1u
L
501
R5
6
7
330
C 534
470p
C 533
470p
3
SCLK
5
SDCLK
62
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
12.6. UT113RU Main No.2
(1)
(2)
(3)
(4)
(4)
(5)
(6)
(7)
(8)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(15)
(16)
(17)
(18)
(19)
(20)
C
E
B
A
D
F
3
4
2
1
5
E _MDIO
E _MDC LK
E _TXC LK
E _TXD0
E _TXD1
E _TXD2
E _TXD3
E _TXE N
E _R XC LK
E _R XDV
E _R XD0
E _R XD1
E _R XD2
E _R XD3
E _C OL
E_
TX
EN
E _R XD2
E_
M
D
IO
E_
TX
D
0
P C _TXM
E _R XD0
E _R XD1
E _R XD3
E_
TX
D
1
E_
TX
D
2
E_
TX
D
3
E _C OL
E _R XDV
E _R XC LK
E_
TX
C
LK
E _MDC LK
E_
R
S
T
P C _TXM
P C _TXP
WAN_TXP
WAN_TXM
WAN_R XM
P C _R XP
WAN_R XP
P C _R XM
E _C R S
P C _TXP
E_
TX
ER
E _TXE R
E _R S T
VC C 1.8
E _C R S
P C _R XP
P C _R XM
WAN_TXM
WAN_TXP
WAN_R XP
WAN_R XM
E _MDIO
001
E _TXCLK
001
E _MDCLK
001
E _TXD0
001
E _TXD1
001
E _TXD2
001
E _TXD3
001
E _R XCLK
001
E _R XDV
001
E _R XD0
001
E _R XD1
001
E _R XD2
001
E _R XD3
001
E _CR S
001
E _COL
001
E _TXE N
001
3.3V
E _R S T
001
DG
R 413
NC
R 412
NC
DG
R 402
100
R 405
100
R 406
100
C
415
0.
01u
R
421
10k
R
423
10k
12V
P oE DC OUT
R
415
4.
7k
R A403
100
4
3
2
1
5
6
7
8
R 403
4.7k
C 417
NC
C 418
NC
E _C LK
002
R
420
10k
R 414
11.8k
P oE _AG
C4
08
10
u
16
P WR G ND
Q402
120
Q403
NC
R 408
100
R 430
100
D
403
1A
E _TXE R
001
TXD1
TXD2
E _R S T
MDIO
TXD3
MDC LK
TXD0
TXC LK
R
401
100
X401
NC
1
24
3
R
410 100
P oE _DC
R 428
10
R
418
10k
C4
64 0.01u
50
R4
35
27k
R4
36
F6
.8
k
R4
29
NC
R4
09
F6
2k
R 411
0
R4
26
10k
R 427
100
C4
06
1u
25
C4
33
1u
C4
31
1000p
C 409 47p
C 410
1000p
R 424
F470k
TXE N
C 403 0.1u
C
411 0.1u
C
412
0.
1u
C
413
0.
1u
C 424 0.1u
C 425 0.1u
C4
32
0.
1u
C4
34
0.
1u
C 402
22u
C 459 22u
C 458 10u
C 404 1u
L401
L402
L404
L407
D401
L406
330u
330u
IC 401
13
NC
14
X1
15
X2
16
SM
TX
EN
3
17
SM
TX
D3
3/
EN
_R
EF
CL
KO
_3
18
SM
TX
D
32
19
SM
TX
D
31
20
SM
TX
D
30
21
GN
D
1
22
VD
D
IO
1
23
SM
TX
C
3/
R
EF
C
LK
I_
3
24
S
M
TX
E
R
3/
M
II_
LI
N
K
_3
25 S MR XDV3
26 S MR XD33/R E FC LKO_3
27 S MR XD32
28 S MR XD31
29 S MR XD30
30 S MR XC 3
31 G ND2
32 VDDC
33 S C OL3
34 S C R S 3
35 *INTR N
36 S C L_MDC
37
SD
A_
M
DI
O
38
SP
IQ
39
*S
P
IS
N
40
VD
D
IO
2
41
GN
D
42
VD
D
C
O
43
P1
LE
D
1
44
P1
LE
D
0
45
P2
LE
D
1
46
P2
LE
D
0
47
*R
S
TN
48
FX
S
D
1
1
R XM1
2
R XP 1
3
TXM1
4
TXP 1
5
VDDA_3.3
6
IS E T
7
VDDA_1.8
8
R XM2
9
R XP 2
10
AG ND
11
TXM2
12
TXP 2
C
407
100u
25
Q401
4
5
1
2
3
6
7
8
IC 402
1
R T
2
S S
3
AUXII
4
VIN
5
R CLAS S
6
AUXI_IR L
7
DC C L
8
VS S 1
9 GND
10 GD
11 VCC
12 *PGD
13 CS
14 COMP
15 VFB
16 AGND
17
VS S 2
L420
L421
L423
L422
L403
L414
R4
25
F0
.5
1
0.
5W
KX-UT113RU MAIN BOAR D No.2 1/2
5 ECLK
7
10
6 Q401 pin4(Gate)
63
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
(1)
(2)
(3)
(4)
(4)
(5)
(6)
(7)
(8)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(15)
(16)
(17)
(18)
(19)
(20)
L1
L2
L2
6
5
8
7
C
E
B
A
D
F
VIN0
R
439
NC
R
437
NC
R
438
NC
R
440
NC
DG
DG
DG
DG
R4
43
49.
9
R4
42
49.
9
R
441
49.
9
DG
R4
44
49.
9
R4
51
75
L4
09
R4
50
75
D409
4
1
3
2
R4
56
75
R4
49
75
L4
10
D411
4
1
3
2
DG
JK401
NC
1
2
3
4
5
6
7
8
9
JK402
1
2
3
4
5
6
7
8
9
T403 NC
1 TD+
8 R D-
6 R D+
2 TC T
3 TD-
3 TD-
16
TX1+
7 R C T
15
TXC T
14
TX1-
11
R X1+
10
R XC T
9
R X-
4 NC 1
5 NC 2
5 NC 2
12
NC 3
13
NC 4
R
454
NC
R
455
NC
R
453
NC
R
452
NC
T402
1 TD+
8 R D-
6 R D+
2 TC T
3 TD-
3 TD-
16
TX1+
7 R C T
15
TXC T
14
TX1-
11
R X1+
10
R XC T
9
R X-
4 NC 1
5 NC 2
5 NC 2
12
NC 3
13
NC 4
F401
250V
800m
A
P oE _AG
P oE _G
P oE _G
C4
55
0.
047u
100
C4
50
0.
047u
100
C4
48
0.
047u
100
C4
47
0.
047u
100
L411 3.3u
P WR G ND
DG
DG
L4
12
L4
13
R4
46
F5
6k
P oE _G
C
452
0.
047u
100
C4
63
0.
01u
50
C4
62
0.
01u 50
R4
45
27k
LF405
1
2
3
4
C4
49
100p 100
C
454
NC
C
453
1000p
100
C4
42
NC
C 457
NC
C 460
1000p
100
C4
44
1u
100
C4
43
1u
100
P oE INBP
P oE INBN
P oE INAP
P oE INAN
DG
DG
C
427
NC
C
428
NC
C4
29
0.
1u
C4
30
0.
1u
C4
41
0.
1u
C
421
NC
DG
DG
C 440
1000p
C 439
1000p
C 436
1000p
C 438
1000p
L408
LF403
NC
2
3
1
4
LF404
NC
2
3
1
4
LF402
2
3
1
4
LF401
2
3
1
4
DG
DG
DG
DG
R4
47
33k
D407
NC
D413
D408
NC
D405
NC
D406
NC
D412
D414
D415
C4
51
22u
100
P WR G ND
D4
20
1
D4
10
A
D4
21
A
C 456
NC
C
435
330p
C
437
22u
R4
48
82.
5
LAN
P C
KX-UT113RU MAIN BOAR D No.2 2/2
14 15
15 16
8 9
11 12
64
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
12.7. UT113RU Main No.3
L1
L2
C
E
B
D
F
34
2
6
5
8
7
VCCPA
AG
VCCA
AG
PDN
DCIN
3.3V
DG
F301
32V
3A
R304
F49.9k
R305
F16.2k
R306
100k
IC301
1
BST
2
GND
3
FB
4
EN
5
IN
6
SW
12V
PWRGND
DG
3.3V
AG3
DG
PWRGND
PWRGND
PWRGND
PWRGND
PWRGND
PWRGND
PWRGND
PWRGND
PWRGND
OPE_VCC
004
DG
DG
PWRGND
PWRGND
R329
100k
PWRGND
PWRGND
IC303
1
BST
2
GND
3
FB
4
EN
5
IN
6
SW
PWRGND
PWRGND
PWRGND
5V
DG
D307
2
1
1
3
PoE_DC
DG
PWRGND
DCIN1
C308
0.01u
C310
0.01u
16
C313
NC
C316 0.01u
16
C328
0.01u
16
C330
0.01u
DG2
L301
10u
L303
10u
C306
22u
C309
4.7u
16
C329
4.7u
16
3.3V
5V
R330
F51k
R331
F10k
LF301
1
2
3
4
C307
0.1u
C311
0.1u
C315
0.1u
C320
0.1u
C321
0.1u
C322
0.1u
C324
0.1u
C325
0.1u
C326
0.1u
C333
0.1u
C301
10u
C304
NC
C305
NC
DL301
1
2
3
DL303
1
2
3
PWRGND
DL302
1
2
3
PWRGND
IC304
NC
1
OUT
2
VDD
4
NC1
5
NC2
3
GND
C334 1000p
R338
0
R339
NC
PWRGND
PWRGND
DG
3.3V
R336
F10k
R310 F33k
R313
F5.1k
PWRGND
R341
100
R342
100
DG
R328
10k
D308
2
1
R340
33k
D305
D306
D302
D303
C312
470u
16
C338
NC
PWRGND
C331
22u
R344
0
C339
NC
C340 1000p
DG
DG
C341
1000p
C342
1000p
C343
1000p
C344
1000p
IC305
1
VIN
2
VSS
3
CE
5
VOUT
4
NC
5V
DG
C345
1u
R301
0
AG
C336
33p
C337
33p
R343
1k
C335 1000p
JK301
2
3
1
KX-UT113
RU
MAIN BOARD No.3
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