KX-TDA3105X, KX-TDA3105XJ - Panasonic PBX Service Manual (repair manual). Page 16

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14 SCHEMATIC DIAGRAM
TP115
DG
+3.3VB
TP116
TP100
DG
TP107
TP109
TP101
R
IC100
1
A
2
B
14
Y1
15
Y0
3
C
6
G1
4
G2A
5
G2B
12
Y3
13
Y2
10
Y5
11
Y4
7
Y7
9
Y6
TP102
TP110
C108
1000P
TP108
DG
C113
0.01u
DG
IC100
16
8
+3.3VB
RA100
0
1
2
3
4
5
6
7
8
C100
220p
C116
220p
C120
220p
C133
0.01u
C132
220p
TP103
TP104
TP106
TP105
+3.3VB
C102
220p
C104
220p
C106
220p
C109
220p
C111
220p
C114
220p
C118
220p
C122
220p
C124
220p
C126
220p
C128
220p
C130
220p
DG
C101
0.01u
C103
0.01u
C105
0.01u
C107
0.01u
C110
0.01u
C112
0.01u
C115
0.01u
C117
0.01u
C119
0.01u
C121
0.01u
C123
0.01u
C125
0.01u
C127
0.01u
C129
0.01u
C131
0.01u
DG
+3.3VB
TP112
TP113
TP111
TP114
C141
0.01u
C140
220p
DG
C143
0.01u
DG
C135
0.01u
+3.3VB
C142
220p
DG
C134
220p
IC105
R
1
2
4
TP174
J174
NC
C148
0.01u
IC105
5
3
+3.3V
DG
J105 NC
J104 0
J106 0
J107 NC
J101
J100 NC
J103
J102 NC
J117
J116 NC
IC101
A15
20
A14
21
A13
22
A12
23
A11
24
A10
25
A9
26
A8
27
#WE
17
#UB
40
#LB
39
A17
18
A7
42
A6
43
A5
44
A4
1
A3
2
A2
3
A1
4
A0
5
#CS1
6
GND
34
#OE
41
I/O0
7
I/O8
29
I/O1
8
I/O9
30
I/O2
9
I/O10
31
I/O3
10
I/O11
32
VDD
33
I/O4
13
I/O12
35
I/O5
14
I/O13
36
I/O6
15
I/O14
37
I/O7
16
I/O15
38
GND
12
A16
19
CS2/(A18)
28
VDD
11
IC102
A15
20
A14
21
A13
22
A12
23
A11
24
A10
25
A9
26
A8
27
#WE
17
#UB
40
#LB
39
A17
18
A7
42
A6
43
A5
44
A4
1
A3
2
A2
3
A1
4
A0
5
#CS1
6
GND
34
#OE
41
I/O0
7
I/O8
29
I/O1
8
I/O9
30
I/O2
9
I/O10
31
I/O3
10
I/O11
32
VDD
33
I/O4
13
I/O12
35
I/O5
14
I/O13
36
I/O6
15
I/O14
37
I/O7
16
I/O15
38
GND
12
A16
19
CS2/(A18)
28
VDD
11
LA[4]
LA[4]
LA[15]
LD[9]
LA[9]
LA[3]
LA[9]
LD[12]
LD[11]
LA[2]
LD[5]
LD[1]
LD[1]
LA[1]
LD[8]
LD[2]
LD[6]
LD[3]
LD[14]
LD[0]
LA[7]
LD[10]
nRESET
LD[4]
LD[13]
LA[8]
LD[12]
LA[6]
LA[11]
LA[3]
LD[8]
LD[13]
LD[3]
LA[12]
LA[13]
LA[15]
LD[2]
LD[15]
LA[5]
LA[6]
LA[5]
LD[7]
LA[14]
LD[4]
LA[13]
LD[5]
LA[1]
LA[10]
LA[2]
LD[0]
LA[7]
LD[10]
LA[10]
LD[15]
LD[9]
LA[14]
LD[11]
LD[14]
LD[6]
nRESET
LA[8]
LA[11]
LD[7]
LA[12]
A[19]
A[20]
nWE
nUB
nLB
nRD04
nRD04
nWE
nUB
nLB
nRESET
A[16]
A[17]
A[18]
A[19]
A[16]
A[17]
A[18]
A[19]
nCS_SRAM0
nCS_SRAM1
nCS_SRAM2
nCS_SRAM3
A[22]
A[21]
nRESET
nCS_SRAMEX0
(1)
(2)
(3)
(4)
(5)
(6)
(7)
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