Panasonic KX-UT113RU / KX-UT113RU-B / KX-UT123RU / KX-UT123RU-B (serv.man3) Service Manual ▷ View online
57
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
12.4.1. Memo
58
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
12.5. UT113RU Main No.1
(1
)
(2
)
(a
)
(b
)
(c)
K
X
-U
T113
RU
MA
IN
B
O
A
R
D
N
o.
1
1/
4
1/
4
C
B
A
D
E
34
2
1
6
5
E _TXD0
E _TXD2
XD
12
Flash_C S
S I
XD
8
*C E
XA4
XA5
BA
C
K
LI
G
H
T
E _TXE R
XD
0
E _TXC LK
LC
D_R
S
T
AS
IC
C
LK
AS
IC
R
S
T
I2C
_S
D
A
I2C
_S
C
L
XD
9
LC
D_A0
S I
S C LK
S O
Flash_C S
SC
LK
Flash_R S T
Flash_R S T
SO
LC
D
_A
0
LC
D
_R
S
T
LC
D
_C
S
R 520
100
DG
R
512
NC
R
515
47k
DG
I2C
_S
C
L
004
I2C
_S
D
A
004
D_T
M
S
IC
501
M11 XA4
M12 ATDI
M13 ATC K
N1 BG P IO2
N2 BG P IO6
N3 BG P IO4
N4 BG P IO5
N5 BG P IO10
N6 BG P IO11
N7 C G P IO9
N8 AG P IO2
N9 AG P IO3
N10 XA5
N11 AG P IO5
N12 ATDO
N13 ATMS
A5
XD
8
A6
XD
0
A7
DG
P
IO
11
A8
AT
R
S
TN
A9
DG
P
IO
14
A1
0
DG
P
IO
15
A1
1
EG
P
IO
2
A1
2
DT
DI
A1
3
DT
M
S
B1
AG
P
IO
9
A1
DG
P
IO
12
A2
TE
S
T
A3
XD
12
A4
XD
9
DG
DG
R
522
100
R5
11
100
AS
IC
R
S
T
004
AS
IC
C
LK
004
BKL
T
004
AT
R
S
TN
D_T
DI
R 585
1k
R 586
1k
3.
3V
DG
3.
3V
CN
50
4
1
E S D-VS S
2
S C L(/C S )
3
S DA(/R E S )
4
A0
5
/R E S (S C L)
6
/C S (S I)
7
VDD1
8
VD1
9
VS S
10
VDDA
11
VM
12
VO
13
XVO
14
VG
15
E S D-VS S
R E S E T
3.
3V
R 505
NC
LC
D_C
S
LC
D_R
S
T
LC
D_A0
R A506
150
1
8
R A506
150
2
7
R 521
100
IC
502
NC
1
*C
E
2
SO
6
SC
K
7
*R
ST
/*H
O
LD
3
*W
P
8
VD
D
4
VS
S
5
SI
C 568
NC
C 569
1000p
C5
67
NC
DG
ATC K
ATDO
ATDI
ATMS
C 504
1u
25
V0
XV0
C 528
0.1u
C 529
NC
D5
01
C 503
1u
C 501
NC
C 505
1u
C 506
NC
C 507
1u
C 508
1u
C
530
1u
R5
96
0
R A511
47
1
8
R A511
47
45
5
Q
504
4.
7k
47k
NC
Q
503
4.
7k
47k
NC
R5
97
4.
7k
3.
3V
DG
DG
C 502
22u
IC
504
1
*H
O
LD
/IO
3
2
VC
C
14
N/
C
8
15
DI
/IO
0
3
N/
C
1
16
CL
K
4
N/
C
2
13
N/
C
7
5
N/
C
3
12
N/
C
6
6
N/
C
4
11
N/
C
5
7
*C
S
10
GN
D
8
DO
/IO
1
9
*W
P
/IO
2
R5
04
NC
L516
0
1
2
3
4
6
5
7
8
L517
OP
E
I/F
3
SCLK
59
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
(3
)
(4
)
(5
)
(6
)
(7
)
(a
)
(b
)
(c)
K
X
-U
T113
RU
MA
IN
B
O
A
R
D
N
o.
1
2/
4
2/
4
8
7
11
10
9
12
C
B
A
D
E
E _TXE N
XA12
S O
XA
11
XA
14
XA
2
XA
7
S
DDQ
M
1
S DDQM0
XA3
XA10
XA13
XA8
XA9
XA6
E _MDC LK
*W
E
S DC AS
SD
R
A
S
E_
M
D
IO
E _R S T
AS IC C LK
E _TXD1
VC C _DS P
R5
53
1M
R5
38
100
R5
56
100
R 546
100
R 541
47
R 542
47
E_
M
D
C
LK
002
E_
TX
EN
002
E_
TX
D
1
002
E_
TX
D
3
002
E_
R
X
D
V
002
E_
R
X
D
0
002
E_
R
S
T
002
E_
R
X
D
3
002
E_
C
O
L
002
E_
R
X
D
1
002
E_
C
R
S
002
E_
M
D
IO
002
E_
TX
D
0
002
E_
TX
D
2
002
E_
R
X
D
2
002
E_
R
X
C
LK
002
E_
TX
C
LK
002
C5
45
N
C
3.
3V
R
573
1.
5k
DG
DG
R 574
15k
US
B
M
US
B
P
C 560
0.01u
US
B
_C
TR
L
R
572
15k
U
S
B
_DE
T
C5
40
0.
01u
DG
US
B
_V
+
US
B_
GN
D
DG
3.
3V
DG
US
B
_P
US
B
_M
DG
3.
3V
DG
D_T
DI
D_T
M
S
D_T
C
K
D_T
DO
E_
C
LK
003
DG
IC
501
J12
CG
P
IO
0
J13
EG
P
IO
15
K1
GN
D
P
LL
K2
VD
D
P
LL
K3
GN
D
8
K4
BG
P
IO
7
K5
XA
14
K6
XA
11
K7
XA
20
K8
CG
P
IO
11
L4 BG P IO9
L5 XA12
L6 XA9
L7 XBLS 0
L8 XA19
L9 BG P IO13
L10 XA6
L11 XA3
L12 BG P IO15
L13 BG P IO14
M1 BG P IO0
M2 BG P IO1
M3 BG P IO3
M4 BG P IO8
M5 XA13
M6 XA10
M7 AG P IO0
M8 AG P IO1
M9 XA8
M10 AG P IO4
K9
XA
18
K1
0
XA
7
K1
1
XA
2
K1
2
CG
P
IO
5
K13 C G P IO3
L1 XIN
L2 XOUT
L3 R S TN
JTA
G
_C
LK
_DT
DO
JTA
G
_C
LK
_DT
C
K
R
576
1k
R
575
1k
C5
44
0.
01u
R 544
330
DG
R 581
4.7k
E_
TX
ER
002
3.
3V
DG
AT
R
S
TN
R E S E T
R5
17
100
R 516
100
S T3
ST
0
CN
50
3
NC
1
2
3
4
5
6
7
8
9
10
11
12
R5
06
47
R5
52
10
C5
39
NC
R A505
150
1
8
RA
505
150
27
RA
506
150
45
R A506
150
3
6
R A507
150
2
7
RA
507
150
36
R A507
150
4
5
R A507
150
1
R 543
100
DC DC _OUT
RA
50
8
150
45
RA
508
150
2
7
R A508
150
1
8
R A508
150
3
6
FW_INT0
FW_INT1
AT
DO
2
R
570
33
R
571
33
AT
M
S
2
AT
DI
2
AT
C
K
2
RE
S
E
T
MAIN_OS C
US
B
P
US
B
M
US
B
V
US
B
G
VC
C
_D
S
P
C5
46
0.
1u
C5
55
0.
1u
C5
38
NC
C5
56
10u
R A511
47
3
8
6
DL501
1
2
3
L504
L513
0
R5
66
4.
7k
R A512
4.7k
1
2
3
4
5
6
7
8
X5
01
25M
IC
505
1
GN
D
2
VD
D
3
CD
4
OU
T
R 502
L5
02
R5
54
330
ST
R
A
P
P
IN
SET
TI
N
G
/JTA
G
I/F
US
B
P
O
R
T
for TE
S
T
M
O
D
E
Et
her I/
F
2
ECLK
2
25MHz
1
RESET
60
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
(1
)
(2
)
(d)
(e)
(f)
(g)
(h
)
K
X
-U
T
113
RU
MA
IN
B
O
A
R
D
N
o
.1
3
/4
3/
4
E
F
G
H
34
2
1
6
5
X D4
X D11
XD
7
XD
6
XD
7
XD
1
4
XD
1
2
XD
1
1
XD
9
XD
1
5
XD
8
XD
1
0
XD
1
4
XD
1
5
XD
6
XD
1
3
XD
2
XD
5
XD
3
XD
1
0
XA
1
XD
1
3
XD
1
X A0
I2C _S DA
SD
_
C
K
E
BA
C
K
L
IG
H
T
SD
D
Q
M
1
SD
_
C
L
K
XA
1
2
XA
1
1
XA
9
XA
8
XA
7
XA
6
XA
5
XA
4
SD
D
Q
M
0
*W
E
SD
C
A
S
SD
R
A
S
*C
E
XA
1
3
XA
1
4
XA
1
0
XA
0
XA
1
XA
2
XA
3
AS IC R S T
XD
0
XD
1
XD
2
XD
3
XD
4
XD
5
US
B
M
US
B
P
US B _DE T
S P N
004
US B _C T R L
DG
3.
3V
HE ADS E T _S P O UT 004
R 537
47
C 532
NC
D_T
DO
D_T
C
K
IC
501
D2
G NDUS B
D3
DG P IO0
D4
DG P IO1
D5
X D4
D6
X D11
D7
E G P IO9
D8
DG P IO7
D9
X A0
D10
E G P IO6
D11
E G P IO5
D12
E G P IO7
D13
E G P IO8
E 1
S P OUT N
E 2
LOUT 0
E 3
DG P IO3
E 4
DG P IO2
B2
DG
P
IO
8
B3
XD
1
4
B4
XD
1
3
B5
XD
1
0
B6
XD
2
B7
XD
1
B8
DG
P
IO
9
B9
DG
P
IO
1
0
B1
0
DG
P
IO
1
3
B1
1
EG
P
IO
1
B1
2
DT
C
K
B1
3
DT
DO
C1
US
B
P
C2
US
B
M
C3
XD
1
5
C4
XD
7
C5
XD
6
C6
XD
5
C7
XD
3
C8
DG
P
IO
5
C9
DG
P
IO
6
C1
0
XA
1
C1
1
EG
P
IO
0
C1
2
EG
P
IO
3
C1
3
EG
P
IO
4
D1
V
CCU
S
B
3.
3V
JT
A
G
_
C
L
K
_DT
C
K
JT
A
G
_
C
L
K
_DT
DO
S P AMP E N
004
IN
T
0
004
3.3V
R 524
4.7k
DG
DG
R
A
505
150
3
6
R A505
150
4
5
RA
5
0
3
150
3
6
RA
5
0
3
150
2
7
RA
5
0
3
150
1
8
RA
5
0
3
150
4
5
R
A
504
1
50
1
8
RA
5
0
4
150
4
5
RA
5
0
4
150
3
6
RA
5
0
4
150
2
7
UAR T _R X
UAR T _T X
R 595
4.7k
R
501
47
C 575
NC
DG
IC
503
1
V
DD1
2
DQ
0
52
V
SSQ
4
53
DQ
1
5
3
V
DDQ
1
54
V
SS3
4
DQ
1
51
DQ
1
4
5
DQ
2
50
DQ
1
3
6
V
SSQ
1
49
V
DDQ
4
7
DQ
3
48
DQ
1
2
8
DQ
4
47
DQ
1
1
9
V
DDQ
2
46
V
SSQ
3
10
DQ
5
45
DQ
1
0
11
DQ
6
44
DQ
9
12
V
SSQ
2
43
VD
D
Q
3
13
DQ
7
42
DQ
8
14
VD
D
2
41
V
SS2
15
LD
QM
40
NC
/R
F
U
16
*W
E
39
UD
Q
M
17
*C
A
S
38
CL
K
18
*R
A
S
37
CK
E
19
*C
S
36
NC
1
20
BA
0
35
A1
1
21
BA
1
34
A9
22
A1
0
/AP
33
A8
23
A0
32
A7
24
A1
31
A6
25
A2
30
A5
26
A3
29
A4
27
V
DD3
28
V
SS1
C 531
0.1u
R 508
4.7k
R
514
NC
R
583 NC
R
584 NC
R 547
R 560
NC
R 561
NC
3.
3V
V
CCP
A
RA
5
2
2
68
3
6
RA
5
2
1
68
4
5
RA
5
2
2
68
1
8
RA
5
2
1
68
1
8
RA
5
2
2
68
2
7
RA
5
2
1
68
2
7
RA
5
2
1
68
3
6
RA
5
2
2
68
4
5
R
A
501
68
4
5
R
A
501
68
3
6
R
A
501
68
1
8
R
A
501
68
2
7
R
A
502
68
4
5
R
A
502
68
1
8
R
A
502
68
3
6
R
A
502
68
2
7
DG
DG
C5
1
9
100p
C
5
13
100p
C
5
78
22u
C
5
27
220p
C
5
17
220p
C
5
16
220p
C
5
15
220p
C
5
14
220p
C5
2
4
220p
C
5
18
220p
C
5
26
220p
C
5
25
220p
X
A
12:
F
o
r 128M
b
it
5
SDCLK
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