Read Panasonic KX-TDA620BX (serv.man8) Service Manual Supplement online
47
KX-TDA620 Series
12.8. BUS-S Board No.7
KX-TDA620 Series BUS-S BOARD SCHEMATIC DIAGRAM No.7
in case of power off
2.8V~3.2V
D
F
E
C
B
A
H
G
4
7
6
5
3
2
8
11
10
9
A_H_T[3]
A_H_T[17]
A_H_T[14]
A_H_T[7]
D[5]
A[24]
D_H_T[10]
A_H_T[8]
A[21]
D_H_T[6]
A_H_T[20]
D_H_T[30]
A_H_T[25]
A_H_T[19]
D_H_T[26]
D_H_T[27]
D_H_T[20]
A[23]
A[4]
A_H_T[18]
D[12]
A[6]
D_H_T[15]
A_H_T[1]
A_H_T[0]
A_H_T[9]
D[29]
D[9]
D_H_T[29]
D_H_T[11]
D_H_T[21]
D_H_T[22]
A_H_T[15]
D_H_T[12]
A_H_T[13]
A_H_T[5]
A_H_T[19]
A_H_T[21]
A_H_T[6]
A_H_T[24]
A[3]
D[2]
D[16]
D_H_T[1]
D_H_T[17]
A_H_T[15]
NMIin
D_H_T[16]
D_H_T[18]
D_H_T[15]
D[13]
D_H_T[18]
A_H_T[22]
D_H_T[0]
A_H_T[22]
A_H_T[23]
D_H_T[3]
D_H_T[6]
A_H_T[21]
D_H_T[1]
D_H_T[22]
A_H_T[10]
D[28]
D[27]
D[8]
D[15]
A[20]
A[12]
D[30]
D_H_T[21]
D_H_T[8]
D_H_T[20]
A[15]
A_H_T[25]
D[18]
A_H_T[5]
A[9]
A_H_T[12]
A_H_T[16]
D_H_T[17]
D[31]
D[11]
A_H_T[11]
D[17]
A[14]
D_H_T[24]
D_H_T[10]
A_H_T[18]
D_H_T[27]
A[2]
A_H_T[14]
D_H_T[12]
D_H_T[14]
D_H_T[2]
D_H_T[14]
D_H_T[19]
A[19]
D_H_T[9]
D_H_T[29]
A_H_T[17]
D_H_T[4]
D[4]
A_H_T[6]
A_H_T[16]
D[23]
A_H_T[1]
D_H_T[28]
D_H_T[7]
A_H_T[7]
A_H_T[8]
A[0]
D[0]
D[20]
A_H_T[13]
D[14]
D[25]
A_H_T[23]
A_H_T[24]
A_H_T[2]
A[25]
D[21]
D_H_T[25]
D[22]
A[8]
A_H_T[20]
D[19]
A[16]
D_H_T[23]
A_H_T[4]
D_H_T[26]
D_H_T[13]
A[5]
D[7]
A_H_T[9]
D_H_T[5]
D_H_T[4]
D_H_T[25]
D_H_T[30]
A_H_T[12]
D[6]
D_H_T[19]
A[22]
A_H_T[3]
D_H_T[2]
D_H_T[13]
D_H_T[28]
D[26]
D_H_T[31]
A[7]
D[1]
A[18]
D_H_T[9]
D[10]
D_H_T[3]
D[3]
D_H_T[0]
A[17]
A[11]
D_H_T[11]
A[13]
D_H_T[8]
A_H_T[4]
A_H_T[2]
A_H_T[11]
A[1]
D_H_T[7]
D_H_T[24]
A[10]
D_H_T[31]
D_H_T[5]
D_H_T[23]
D[24]
D_H_T[16]
A_H_T[0]
A_H_T[10]
nBAT_ALM
2:4C
D702
5.1V
DG
R702
56
+15V
R701
10K
P.G
P.G
+3.3V
DG
R710
10K
L704
+3.3V
3.3V_BB
1:11G
R708
10M
R707
1K
Q711
S
D
G
DG
R712
10K
+3.3V
TP7003
P.G
P.G
+1.5V
C744
NC
+15VIN
1:11A
D704
TP7005
TP7006
TP7004
C738
0.1u
D701
C740
470u/6.3V
C709
330u/25V
L702
1.9A/33u
J-GAP-5025
J702
NC
R704
680
P.G
P.G
D705
DG
P.G
P.G
Q712
S
D
G
R709
2.2K
C747
4.7u
R703
0
DG
R705
680
TP7007
TP7002
P.G
P.G
P.G
P.G
C749
4.7u
R715
4.7K
TP7015
TP7017
TP7008
TP7009
R717
10K
+3.3V
D703
P.G
P.G
+3.3VB
TP7016
R714
10M
P.G
P.G
R738
0
13
96
TP7107
41
83
TP7089
42
nRD/nCAS
1:4C;2:5E;3:1F;3:6C
RA713
0
4
3
2
1
8
7
6
5
124
125
nWE0/DQM0
2:5F;3:1G;3:6D
104
+3.3V
RA710
0
4
3
2
1
8
7
6
5
79
TP7131
RA704
0
4
3
2
1
8
7
6
5
137
86
TP7134
TP7128
115
48
TP7103
32
RA712
0
4
3
2
1
8
7
6
5
91
TP7115
TP7130
nCS0
2:5D;3:1D;3:7F
TP7136
98
26
15
TP7118
123
59
85
140
92
90
R727
0
TP7117
29
R728
0
43
RA700
0
4
3
2
1
8
7
6
5
11
TP7112
45
TP7140
TP7122
21
56
52
R739
0
34
69
113
118
nRAS
2:5E;3:1F
R725
0
30
127
94
20
TP7095
TP7101
51
nWE3/DQM3
2:5F;3:3F;3:6D
TP7106
nWE1/DQM1
2:5F;3:1F;3:6D
TP7123
TP7133
102
RA703
0
1
2
3
4
5
6
7
8
nBREQout
2:7G
112
TP7104
R734
0
36
R730
0
77
RA702
0
1
2
3
4
5
6
7
8
100
TP7091
99
RA706
0
1
2
3
4
5
6
7
8
78
106
19
TP7119
nBREQin
1:4C
44
54
7
2
1
7
P
T
8
9
0
7
P
T
R719
0
71
62
+3.3V
TP7094
3
RA709
0
1
2
4
3
6
5
7
8
A[0-25]
1:3A;2:1A;3:1A
138
122
R724
0
R729
0
130
116
121
TP7132
RA705
0
4
3
2
1
8
7
6
5
D[0-31]
2:1A;3:1A
TP7120
63
66
74
RD/nWR
2:5E;3:1F;3:6D
RA701
0
4
3
2
1
8
7
6
5
40
60
12
109
RA708
0
1
2
3
4
5
6
7
8
58
nBACK_T
2:7G
133
TP7126
120
TP7111
33
82
27
31
TP7092
107
TP7105
R733
0
R731
0
105
17
37
TP7137
TP7138
4
CN700
NC
1
R723
0
47
73
134
+3.3V
TP7109
DG
70
131
EME
3:3D;3:7G
81
24
TP7108
TP7125
38
139
14
126
TP7113
93
TP7100
8
TP7139
TP7099
TP7110
76
72
TP7135
25
117
R735
0
16
64
55
1
2
1
7
P
T
4
1
1
7
P
T
TP7102
46
R722
0
97
23
110
R720
0
nCS3
2:5E
132
75
88
nWE2/DQM2
2:5F;3:3G;3:6D
RA711
0
4
3
2
1
8
7
6
5
R737
0
TP7097
128
49
TP7093
57
9
35
89
18
nCS5
1:4C;2:5E;3:1D;4:9D
111
95
CKIO_T
2:3F
61
2
84
67
119
nCS2in
2:5D
103
5
39
TP7090
68
136
nCS4
1:4C;2:5E;3:1D;3:7G
TP7096
129
R721
0
53
DG
65
28
10
135
22
TP7129
101
RA707
0
1
2
3
4
5
6
7
8
R726
10k
50
6
87
108
80
7
nBS_T
2:5E
R732
0
TP7141
TP7124
114
R736
0
CHK-DG
TP7024
TP7031
TP7032
TP7033
TP7034
TP7035
TP7036
TP7037
TP7038
TP7039
TP7040
TP7041
TP7042
TP7043
TP7044
TP7045
TP7046
TP7047
TP7048
TP7049
TP7050
TP7051
TP7052
TP7053
TP7054
TP7055
TP7056
TP7057
TP7058
TP7059
TP7060
TP7061
TP7062
TP7063
TP7064
TP7065
TP7066
TP7067
TP7068
TP7069
TP7070
TP7071
TP7072
TP7073
TP7074
TP7075
TP7076
TP7077
TP7078
TP7079
TP7080
TP7081
TP7082
TP7083
TP7084
TP7085
TP7086
TP7087
TP7088
TP7116
C736
0.01u
C732
0.01u
C726
0.01u
C703
0.01u
C719
0.01u
C737
0.01u
C715
0.01u
C739
0.01u
C735
0.01u
C725
0.01u
C734
0.01u
C733
0.01u
C710
0.01u
C729
0.01u
C730
0.01u
C721
0.01u
C722
0.01u
C723
0.01u
C731
0.01u
+3.3V
DG
C727
0.01u
C724
0.01u
C712
0.01u
C741
0.01u
C705
0.01u
C707
0.01u
C720
0.01u
C717
0.01u
C742
0.01u
C701
0.01u
1.5V
3.3VB
3.3V
3.3V_BB
15V
DG
DG
+15V
TP7029
TP7030
L703
C750
0.01u
C751
0.01u
C752
0.01u
C753
0.01u
C754
0.01u
C755
0.01u
C756
0.01u
C757
0.01u
C758
0.01u
C759
0.01u
C760
0.01u
R706
0
DG
J703
0
C746
1.0u
C766
C767
C761
C768
C762
C769
C763
C770
C764
C771
C765
C772
+3.3V
DG
C714
0.1u/25V
C728
0.1uF/25V
IC705
5
6
7
IC705
1
2
3
4
8
IC701
1
ON/OFF
2
Vss
3
Vout
4
EXT
5
Vin
L701
IC703
1O
N
/O
F
F
2
VSS
3N
C
4V
IN
5
VOUT
BAT701+
+15VI
TP7012
TP7013
D705C
D705A
nCS_CCLINK
2:5D;3:1C;4:11E;4:1B
nCS_CTSW
2:5E;3:1D;4:11E;5:1B
IP702
2.5A
IP701
5A
BAT701
DG
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