Read Panasonic KX-NCP1280XJ Service Manual online
25
KX-NCP1280XJ
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KX-NCP1280XJ SCHEMATIC DIAGRAM No.1 (2/2)
7
8
11
10
9
nIRQ[1]
EC_AD[6]
EC_AD[2]
EC_AD[0]
EC_AD[7]
EC_AD[3]
EC_AD[1]
CT_D[7]
CT_D[5]
CT_D[3]
CT_D[6]
CT_D[4]
CT_D[2]
CT_C8,CT_FRAME,CT_LOS,CT_NETREF
CT_NETREF
EC_INT,EC_DET
EC_DET
EC_INT
EC_BE[1]
EC_FRAME
EC_IDSEL
EC_BE[0]
EC_AD[4]
EC_AD[8]
EC_AD[10]
EC_AD[12]
EC_AD[5]
EC_nRST
CT_NETREF
CT_LOS
EC_AD[0-15]
EC_PAR
EC_STOP
EC_TRDY
EC_PERR
EC_TRDY
EC_PERR
CT_C8
CT_FRAME
CT_D[0-7]
CT_D[0]
CT_D[1]
CT_D[2]
CT_D[3]
CT_D[4]
CT_D[5]
CT_D[6]
CT_D[7]
CT_D[1]
CT_D[2]
CT_D[3]
CT_D[4]
CT_D[5]
CT_D[6]
CT_D[7]
EC_AD[15]
EC_AD[14]
EC_AD[13]
EC_AD[12]
EC_AD[11]
EC_AD[10]
EC_AD[9]
EC_AD[8]
EC_AD[7]
EC_AD[6]
EC_AD[5]
EC_AD[4]
EC_AD[3]
EC_AD[2]
EC_AD[1]
EC_AD[0]
L_NETREF
UHW0
C4M
nINT_BRI
EC_CLK
EC_FRAME
EC_BE[0]
EC_BE[1]
EC_IDSEL
EC_nRST
EC_BE[1]
EC_IDSEL
EC_nRST
EC_AD[14]
EC_PAR
EC_STOP
EC_PERR
EC_DET
EC_INT
EC_AD[15]
EC_AD[13]
EC_AD[11]
EC_AD[9]
CT_C8
CT_FRAME
CT_D[1]
CT_D[0]
DHW0
EC_TRDY
EC_CLK
R59
2
2
DG
P.G
L3
220
R78
47
R107
22
R77
22
R76
22
R104
22
R102
22
R101
22
R100
22
R103
22
R106
22
+15V
+40V
R105
220
DG
R75
22
R72
22
R73
22
R74
22
+3.3V
R89
NC
R90
10K
R91
NC
R71
1K
R81
NC
R88
10K
RA20
47
1
2
3
4
5
6
7
8
6
7
8
RA21
47
1
2
3
4
5
6
7
8
6
7
8
L23
220
L22
220
L27
220
L21
220
L25
220
L20
220
L24
220
L26
220
L4
220
L5
220
L6
220
L17
220
L8
220
L18
220
RA19
47
1
2
3
4
5
6
7
8
6
7
8
L13
220
L11
220
L16
220
RA16
47
1
2
3
4
5
6
7
8
6
7
8
L14
220
L9
220
RA17
47
1
2
3
4
5
6
7
8
6
7
8
L19
220
RA18
47
1
2
3
4
5
6
7
8
6
7
8
L10
220
L15
220
L12
220
L7
220
R97
1K
R67
4
7
DG
L_NETREF 003:11E
+3.3V
R69
1K
R65
10K
R68
4
7
R70
1K
R64
10K
R63
10K
nINT_BRI 002:5F;003:8D
R82
1K
R86
1K
R84
1K
DG
R85
NC
DG
R99
1.5K
C55
0.1u
R92
10K
R93
10K
R94
NC
R80
1K
R83
NC
R87
1K
DG
R95
NC
C54
NC
R79
10K
+3.3V
R96
1.2K
1.2K
L2
220
DG
C56
3300p
3300p
107
TCK
108
TDI
109
TDO
110
TRST
111
TMS
121
LUHW[0]
122
LDHW[0]
123
HW_CLK[0]
124
HW_CLK[1]
125
HW_FH
126
L_NETREF
127
LDHW[1]
128
LUHW[1]
129
SHW_CLK
130
SHW_FH
7
IRQ[1]
8
IRQ[0]
9
CS[1]
35
GND35
44
GND44
54
RINGER
55
CT_FRAME_A
56
CT_C8_A
57
CT_NETREF
58
GND58
59
CT_D[7]
60
CT_D[6]
61
CT_D[5]
62
CT_D[4]
64
GND64
65
CT_D[3]
66
CT_D[2]
67
CT_D[1]
68
CT_D[0]
69
GND69
70
EC_DET
71
EC_INT
72
EC_AD[15]
73
EC_AD[14]
74
EC_AD[13]
75
EC_AD[12]
76
GND76
78
EC_AD[11]
79
EC_AD[10]
80
EC_AD[9]
81
EC_AD[8]
82
GND82
83
EC_AD[7]
84
EC_AD[6]
85
EC_AD[5]
86
EC_AD[4]
88
GND88
89
EC_AD[3]
90
EC_AD[2]
91
EC_AD[1]
92
EC_AD[0]
93
GND93
94
EC_NRST
95
EC_IDSEL
96
EC_BE[1]
97
EC_BE[0]
98
GND98
99
EC_PAR
100
EC_FRAME
101
EC_PERR
102
EC_TRDY
103
EC_STOP
104
GND104
105
EC_CLK
112
GND112
113
MODE[5]
114
MODE[4]
115
MODE[3]
116
MODE[2]
117
MODE[1]
118
MODE[0]
119
GND119
131
GND131
141
GND141
150
GND150
160
GND160
169
TEST0
179
GND179
181
VREFPLUS
182
VREFMINUS
200
TEST1
TP333
TP327
TP343
TP342
TP341
TP321
TP317
TP305
TP323
TP325
TP334
TP303
TP313
TP336
TP332
TP378
TP383
TP380
TP289
TP308
TP339
TP306
TP312
TP376
TP315
TP294
TP338
TP345
TP322
TP331
TP329
TP382
TP344
TP297
TP330
TP319
TP351
TP310
TP348
TP328
TP318
TP340
TP320
TP316
TP324
TP379
TP311
TP299
TP350
TP337
TP349
TP309
TP314
TP326
TP304
TP346
TP307
FIL3
1
2
3
Q6
E
C
B
TP298
TP293
TP292
TP291
TP290
TP301
TP300
+15V
NETR
GND
DG
DG
P.G
R60
10K
R61
10K
R62
10K
+3.3V
nHALT
002:9F
002:9F
DG
P.G
TP296
CN1
POWERGND
A1
POWERGND
B1
POWERGND
C1
+15V
A2
+15V
B2
+15V
C2
+40V
A3
+40V
B3
+40V
C3
POWERGND
A4
POWERGND
B4
POWERGND
C4
+15VPT
A5
+15VPT
B5
+15VPT
C5
POWERGND
A6
POWERGND
B6
C6
C6
POWERGND
EC_nTRDY
A7
EC_nSTOP
B7
C7
C7
EC_CLK
GND
A8
GND
B8
GND
C8
EC_nPERR
A9
EC_nFRAME
B9
EC_PAR
C9
EC_nCBE[0]
A10
EC_nCBE[1]
B10
EC_IDSEL
C10
GND
A11
GND
B11
GND
C11
EC_nRST
A12
EC_AD[0]
B12
EC_AD[1]
C12
EC_AD[2]
A13
EC_AD[3]
B13
EC_AD[4]
C13
EC_AD[5]
A14
EC_AD[6]
B14
EC_AD[7]
C14
GND
A15
GND
B15
GND
C15
EC_AD[8]
A16
EC_AD[9]
B16
EC_AD[10]
C16
EC_AD[11]
A17
EC_AD[12]
B17
EC_AD[13]
C17
EC_AD[14]
A18
EC_AD[15]
B18
EC_nINT
C18
GND
A19
B19
B19
GND
GND
C19
EC_nCDET
A20
CT_D[0]
B20
CT_D[1]
C20
CT_D[2]
A21
CT_D[3]
B21
C21
C21
CT_D[4]
CT_D[5]
A22
CT_D[6]
B22
CT_D[7]
C22
GND
A23
GND
B23
GND
C23
CT_NETREF
A24
CT_C8
B24
CT_FRAME
C24
GND
A25
GND
B25
C25
C25
GND
LAN1
A26
LAN2
B26
LAN3
C26
LAN4
A27
LAN5
B27
LAN6
C27
LAN7
A28
LAN8
B28
LAN9
C28
GND
A29
GND
B29
GND
C29
nLOS
A30
RINGER
B30
RING_SYNC
C30
nHALT
A31
GND
B31
CS_SYNC
C31
GND
A32
GND
B32
GND
C32
BBGND
001:1C
001:1C
IP1
D
F
E
C
B
A
H
G
3.3V
0V
3.3V
0V
8.192MHz
Normal:3.3V
Normal:3.3V
3.3V
0V
Normal:3.3V
3.3V
0V
3.3V
0V
Normal:3.3V
3.3V
0V
3.3V
0V
8KHz
8.192MHz
Normal:3.3V
3.3V
0V
Normal:3.3V
8KHz
3.3V
0V
3.3V
0V
4.097MHz
3V
0V
3.3V
1.536MHz
0V
3V
0V
3.3V
0V
0V
1.8V
3.3V
0V
16.384MHz
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