Panasonic SX-KN2600P Service Manual page 78

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R321
220
IC301
C1BB00000709
MASTER TONE
GENERATOR LSI
+3.3D
WCEV1
156
WCEV0
155
VSS
154
WAY0
153
Z317 220x4
WAY1
152
WAY2
151
WAY3
150
WAY4
149
WAY5
148
VDD
147
Z318 220x4
WAY6
146
WAY7
145
WAY17
144
WAY18
143
VSS
142
C320
0.1
AVDD4
141
Z319 220x4
WAY20
140
WAY21
139
WAY19
138
WAY8
137
WAY9
136
WAY10
135
WAY11
134
WAY12
133
AGND3
132
Z320 220x4
VDD
131
VSS
130
Z321 220x4
WAY13
129
WAY14
128
WAY15
127
WAY16
126
WAY22
125
WAY23
124
WCASX1
123
WCASX0
122
WRASX
121
WDEX
120
VSS
119
WCEX3
118
WCEX2
117
WCEX1
116
WCEX0
115
C321
0.1
Z316 220x4
VDD
114
WAX0
113
WAX1
112
WAX2
111
WAX3
110
WAX4
109
WAX5
108
VSS
107
AVDD3
106
WAX6
105
AWAY(21)
AWAY(20)
AWAY(19)
AWAY(18)
AWAY(17)
AWAY(16)
AWAY(15)
AWAY(14)
AWAY(13)
AWAY(12)
AWAY(11)
AWAY(10)
R324
220
AWAY(9)
R325
220
AWAY(0)
AWAY(8)
R326
220
AWAY(1)
AWAY(7)
AWAY(6)
1
8
AWAY(2)
AWAY(5)
2
7
AWAY(3)
AWAY(4)
3
6
AWAY(4)
AWAY(3)
4
5
AWAY(5)
AWAY(2)
AWAY(1)
1
8
AWAY(6)
AWAY(0)
2
7
AWAY(7)
3
6
AWAY(17)
4
5
AWAY(18)
1
8
AWAY(20)
IC302
2
7
AWAY(21)
C3ZBP0000003
3
6
AWAY(19)
(64M FLASHROM)
4
5
AWAY(8)
1
8
AWAY(9)
2
7
AWAY(10)
3
6
AWAY(11)
4
5
AWAY(12)
1
8
AWAY(13)
2
7
AWAY(14)
3
6
AWAY(15)
4
5
AWAY(16)
R328 220
R329 220
5
4
AWAX(0)
6
3
AWAX(1)
7
2
AWAX(2)
8
1
AWAX(3)
AWAX(4)
AWAX(21)
R322
220
AWAX(5)
AWAX(20)
R323
220
AWAX(19)
AWAX(18)
AWAX(17)
AWAX(16)
AWAX(15)
AWAX(14)
AWAX(13)
AWAX(12)
AWAX(11)
AWAX(10)
AWAX(9)
AWAX(8)
AWAX(7)
AWAX(6)
AWAX(5)
AWAX(4)
AWAX(3)
AWAX(2)
AWAX(1)
AWAX(0)
IC303
C3ZBP0000004
(64M FLASHROM)
SX-KN2600 MAIN 4/5 SCHEMATIC DIAGRAM
+3.3D
C322
0.1
37
47
R330
VCC
12
BYTE
15
RY/BY
RESET
10K
14
WP/ACC
13
21
26
CE
10
20
9
19
OE
28
16
18
WE
11
17
17
48
16
AWD(15)
1
15
15
45
AWD(14)
2
14
14
43
AWD(13)
3
13
13
41
AWD(12)
4
12
12
39
AD
AWD(11)
5
11
11
36
AWD(10)
6
10
10
34
AWD(9)
7
9
9
32
AWD(8)
8
8
DT
8
30
AWD(7)
7
7
44
18
AWD(6)
6
6
42
19
AWD(5)
20
5
5
40
AWD(4)
21
4
4
38
AWD(3)
3
3
35
22
AWD(2)
23
2
2
33
AWD(1)
24
1
1
31
AWD(0)
25
0
0
29
VSS
VSS
27
46
+3.3D
C323
0.1
37
47
R331
VCC
12
BYTE
15
RESET
RY/BY
10K
14
WP/ACC
13
21
26
CE
10
20
9
19
OE
28
16
18
17
17
WE
11
48
16
AWD(15)
1
15
15
45
AWD(14)
2
14
14
43
AWD(13)
41
3
13
13
AWD(12)
4
12
12
39
AD
AWD(11)
5
11
11
36
AWD(10)
34
6
10
10
AWD(9)
7
32
9
9
AWD(8)
8
8
DT
8
30
AWD(7)
44
18
7
7
AWD(6)
42
19
6
6
AWD(5)
5
5
40
20
AWD(4)
38
21
4
4
AWD(3)
35
22
3
3
AWD(2)
2
2
33
23
AWD(1)
31
24
1
1
AWD(0)
25
29
0
0
VSS
VSS
27
46

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