Read Panasonic KX-DT521RU Service Manual online
54
KX-DT521RU/KX-DT521RU-B
12.1.2.
Bottom View
Q
4
6
0
J
T
A
G_RTCK
pcb
ma
rk
rk
-1
pcb
ma
rk
rk
-2
J
T
A
G_TDI
J
T
A
G_TDO
J
T
A
G_TCK
A
G-DG
IC300
J
T
A
G_TM
S
E
4
6
1
3
1
12
13
2
4
25
36
3
7
48
R410
R411
HS
MI
N
HS
MI
P
L4
6
0
L4
6
1
R4
15
L4
62
R4
18
R419
R4
20
R4
21
R4
22
R4
2
3
R4
2
4
R4
2
5
R4
27
R4
2
8
JT
AG_RTCK
R4
37
R438
R439
C40
2
R440
C404
C40
6
C40
7
H
3.3
V
L
C413
R
C4
16
R453
R454
T
C4
18
C4
19
C4
20
V1
.8
C4
2
1
C4
22
R4
6
3
C4
27
C4
2
8
S
PN
S
PP
C4
31
LCD_
A
0
HE
SS
POUT
ST
0
ST
1
ST
2
C4
53
ST
3
C4
54
C455
Q3
01
JT
AG_TDI
C4
6
3
JT
AG_TDO
C4
66
C4
67
JT
AG_TCK
PE
P1
SPI_DO
4.5
V
H-D
GPIO3
GP
IO
4
L-D
R304
R3
05
R30
6
R3
07
R308
LCD_R
S
T
R330
R331
R33
2
R333
R334
R5
36
C3
06
C30
7
C3
08
C310
C311
R353
R3
54
R3
55
C3
23
C3
2
4
C3
26
R5
57
C3
27
R558
C3
28
R5
59
C3
2
9
R5
6
3
R5
64
R5
6
5
C335
R5
66
C3
36
R5
6
9
1.
2V
2V
R5
7
0
HE
S
MIN
D301
C3
62
TP_LED+
TP_LED-
C5
63
C5
6
4
C5
6
5
CL1
C5
66
C5
67
C5
6
8
C5
69
C5
70
C5
7
1
C5
72
C5
73
C5
74
C5
75
C5
76
C5
77
C5
7
8
HS
SP
OU
T
C5
7
9
L4
10
C580
L
22
0
L
22
1
C5
82
L
222
C5
83
PS
YN
C
C5
85
C5
86
C588
SPI_C
S0
MIN
MIP
U
A
RT_GND
JT
AG_TM
S
S
PI_CLK
D
D
REF-1
E
E
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