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Model
KX-NCP1280XJ
Pages
41
Size
1.34 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / 2-PORT BRI CARD
File
kx-ncp1280xj.pdf
Date
PREV: Panasonic KX-NCP1190XJ (serv.man4) Service Manual / Supplement

Panasonic KX-NCP1280XJ Service Manual ▷ View online

25
     KX-NCP1280XJ
(1)
(2)
(3)
(4)
(5)
(6)
(7)
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
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]
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_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
RA21
47
1
2
3
4
5
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
L13
220
L11
220
L16
220
RA16
47
1
2
3
4
5
6
7
8
L14
220
L9
220
RA17
47
1
2
3
4
5
6
7
8
L19
220
RA18
47
1
2
3
4
5
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
L2
220
DG
C56
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
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
POWERGND
EC_nTRDY
A7
EC_nSTOP
B7
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
GND
GND
C19
EC_nCDET
A20
CT_D[0]
B20
CT_D[1]
C20
CT_D[2]
A21
CT_D[3]
B21
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
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
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
26
KX-NCP1280XJ
9.2.
No.2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
KX-NCP1280
XJ SCHEMATIC DIAGRAM No.2 (1/2)
D
F
E
C
B
A
H
G
4
5
6
3
2
1
LA[0-18]
LD[0-7]
LA[8]
LA[9]
LA[10]
LA[11]
LA[12]
LA[13]
LA[14]
LA[15]
LA[16]
LA[18]
LD[0]
LD[1]
LD[2]
LD[3]
LD[4]
LD[5]
LD[6]
LD[7]
ID[0-7]
LD[0]
LD[1]
LD[2]
LD[3]
LD[4]
LD[5]
LD[6]
LD[7]
ID[0]
ID[1]
ID[2]
ID[3]
ID[4]
ID[5]
ID[6]
ID[0]
ID[1]
ID[2]
ID[3]
ID[4]
ID[5]
ID[6]
ID[7]
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
LA[8]
LA[9]
LA[10]
LA[11]
LA[12]
LA[13]
LA[14]
LA[15]
ID[1]
ID[4]
ID[5]
ID[0]
ID[2]
ID[3]
ID[7]
ID[6]
LA[7]
LA[6]
LA[5]
LA[4]
LA[3]
LA[2]
LA[1]
LA[0]
ID[7]
nCS[6]
L_nCS[6],nCS[1-2,6]
nCS[2]
nBACK,nBREQ,nIRQ[1],nRST,nWAIT
nRD,nWR
nBREQ
nRST
nCS[1]
nBACK
nWAIT
nIRQ[1]
LA[17]
LA[17]
LA[16]
R5
10K
R6
10K
R14
10K
R15
10K
003:12B
001:1A;003:12B
001:1B
nINT_BRI
001:8B;003:8D
C13
0.1u
C19
0.1u
C3
0.1u
C17
0.1u
C7
0.1u
C1
0.1u
DG
+3.3V
C11
0.1u
C9
0.1u
C15
0.1u
C5
0.1u
RA5
22
1
2
3
4
5
6
7
8
RA6
22
1
2
3
4
5
6
7
8
TP47
TP48
TP50
TP49
TP52
RA2
10K
1 2 3 4
5
6 7 8 9
10
RA1
10K
1 2 3 4
5
6 7 8 9
10
RA7
10K
1
2
3
4
5
6
7
8
9
10
+3.3V
C20
0.1u
DG
C10
0.1u
C18
0.1u
C8
0.1u
C12
0.1u
C6
0.1u
+3.3V
C2
0.1u
C16
0.1u
C4
0.1u
C14
0.1u
CS1
CS6
nWR
nRD
C21
0.1u
C23
0.1u
C24
0.1u
C25
0.1u
C26
0.1u
C27
0.1u
C28
0.1u
C29
0.1u
C30
0.1u
C22
0.1u
R7
1K
R8
1K
R9
1K
R10
1K
R11
1K
R13
1K
CS2
TP51
C75
0.1u
C73
0.1u
C71
0.1u
C74
0.1u
C72
0.1u
LD00
LD01
LD02
LD07
LD06
LD05
LD04
LD03
LA02
LA04
LA07
LA05
LA01
LA00
LA03
LA18
LA16
LA15
LA14
LA06
LA13
LA12
LA11
LA10
LA09
LA08
ID07
ID06
ID05
ID04
ID02
ID01
ID00
ID03
+3.3V
+3.3V
DG
DG
P.G
C78
0.1u
C77
0.1u
C76
0.1u
C82
0.1u
C87
0.1u
C81
0.1u
C86
0.1u
C80
0.1u
C85
0.1u
C84
0.1u
C88
0.1u
C83
0.1u
LA17
3.3V
0V
3.3V
0V
3.3V
0V
27
     KX-NCP1280XJ
(1)
(2)
(3)
(4)
(5)
(6)
(7)
KX-NCP1280
XJ SCHEMATIC DIAGRAM No.2 (2/2)
7
8
11
10
9
LD[0]
LD[1]
LD[2]
LD[3]
LD[4]
LD[5]
LD[6]
LD[7]
nRST
LD[0]
LD[1]
LD[2]
LD[3]
LD[4]
LD[5]
LD[6]
LD[7]
LA[17]
LA[16]
LA[15]
LA[14]
LA[13]
LA[12]
LA[11]
LA[10]
LA[9]
LA[8]
LA[7]
LA[6]
LA[5]
LA[4]
LA[3]
LA[2]
nWAIT
nBREQ
nBACK
nWR
L_nCS[6]
nCS[1]
LA[1]
nIRQ[1]
nRD
nBACK,nBREQ,nIRQ[1],nRST,nWAIT
nRD,nWR
nINT_BRI
LA[18]
001:1B
001:1B;003:12B
+3.3V
RA4
10K
1 2 3 4
5
6 7 8 9
10
L_nCS[6],nCS[1-2,6]
001:1B;003:12B
CLK0
DG
nRESET
001:4C
+3.3V
nHALT
001:11F
J7
NC
CLK0
003:8F
CN2
NC
A1
NC
B1
CLK0
A2
NC
B2
NC
A3
nCS6
B3
nIRQ2
A4
NC
B4
NC
A5
+3.3V
B5
+3.3V
A6
+3.3V
B6
DG
A7
DG
B7
DG
A8
DG
B8
nIRQ1
A9
D[7]
B9
D[6]
A10
D[5]
B10
D[4]
A11
D[3]
B11
D[2]
A12
D[1]
B12
D[0]
A13
nCS2
B13
nCS1
A14
nRD
B14
nWR
A15
nRST
B15
nWAIT
A16
nBREQ
B16
nBACK
A17
A[17]
B17
A[16]
A18
A[15]
B18
A[14]
A19
A[13]
B19
A[12]
A20
A[11]
B20
A[10]
A21
A[9]
B21
A[8]
A22
A[7]
B22
A[6]
A23
A[5]
B23
A[4]
A24
A[3]
B24
A[2]
A25
A[1]
B25
A[0]
A26
DG
B26
FH
A27
DG
B27
CS_DLY_DT
A28
AC_ALM
B28
nHALT
A29
BELL_SYNC
B29
nRESET
A30
DG
B30
DG
DG
J6
0
CPUless:J6 mounted
CPU MODE:J6 No mounted
D
F
E
C
B
A
H
G
Normal:3.3V
Normal:3.3V
28
KX-NCP1280XJ
9.3.
No.3
(4)
(1)
(2)
(3)
(6)
(5)
(8)
(11)
(7)
(9)
(10)
(13)
(12)
(15)
(14)
(17)
(19)
(16)
(18)
(21)
(20)
(23)
(22)
(25)
(33)
(35)
(24)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(34)
(37)
(36)
(39)
(42)
(38)
(40)
(41)
(44)
(43)
(46)
(45)
(48)
(50)
(47)
(49)
(52)
(54)
(56)
(51)
(53)
(55)
(57)
(58)
(59)
(60)
(61)
(62)
KX-NCP1280
XJ SCHEMATIC DIAGRAM No.3 (1/2)
+
-
+
-
D
F
E
C
B
A
H
G
4
5
6
3
2
1
40VB
40V_GB
C768A
40V_GA
40VA
D306A
1
2
3
R302A
1.8K
C304A
0.1u
R308A
100
D309A
1
2
C301A
33p
R305A
8.2K
R304A
8.2K
J301A
0
R309A
100
R303A
1.8K
D305A
1
2
3
C302A
33p
C305A
NC
SFG
SFG
X2
7.68MHz
SW301A
1
2
3
4
5
6
7
8
9
10
11
12
003:5G;004:7G
40V_G
D302A
1
2
D308A
1
2
3
D307A
1
2
3
J302A
0
40V
003:5G;004:7F
R305B
8.2K
40V
003:5D;004:7F
SFG
D305B
1
2
3
SW301B
1
2
3
4
5
6
7
8
9
10
11
12
C302B
33p
R302B
1.8K
R308B
100
J302B
0
D306B
1
2
3
R303B
1.8K
R309B
100
R304B
8.2K
D307B
1
2
3
D302B
MA110
1
2
C301B
33p
SFG
J301B
0
D308B
1
2
3
R311A
22
C768A
C768A
003:5C
+15VIN
+15VIN
D309B
1
2
C305B
NC
SA301A
300V
SA302A
300V
SA303A
300V
SA304A
300V
SA301B
300V
SA302B
300V
SA303B
300V
SA304B
300V
DG
R325A
3.3 1/2W
R326A
1K
C309A
0.1u
R325B
3.3 1/2W
R326B
1K
C309B
0.1u
RX[0]
001:4G
RX[1]
001:4G
003:5D;004:7G
40V_G
C310A
33p
C311A
0.1u
C310B
33p
C311B
0.1u
TH305A
C312A
0.1u
TH305B
C312B
0.1u
Q301B
E
C
B
Q301A
E
C
B
TP543
TP518
TP574
TP521
TP519
TP540
TP523
TP538
TP573
TP575
TP597
TP544
TP526
TP532
TP579
TP517
TP563
TP576
TP541
TP566
TP539
TP564
TP515
TP513
TP512
TP525
TP537
TP545
TP547
TP528
TP533
TP516
TP565
TP542
TP522
TP530
TP578
TP527
TP529
TP520
TP536
TP535
TP546
TP534
TP524
TP531
FIL32A
1
2
3
TP511
TP510
TP509
TP508
TP506
TP507
TP505
TP504
TP514
DG
T301B
1
2
3
4
16
15
14
13
5
6
7
8
12
11
10
9
T301A
1
2
3
4
16
15
14
13
5
6
7
8
12
11
10
9
+3.3V
+3.3V
R310A
7.5
R301A
7.5
+3.3V
+3.3V
R310B
7.5
R301B
7.5
TP558
TP559
TP570
TP569
TP560
TP561
TP571
IC301A
8
VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7
VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18
VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17
VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33
VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30
AUX0
31
AUX1
32
AUX2
5
RES
38
AMODE
4
TP
37
VSS37
54
VSS54
34
VSS34
27
C768
35
XTAL1
36
XTAL2
46
VDDA
48
SR2
47
SR1
45
VSSA
43
SX1
44
SX2
56
VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55
VSS55
57
MODE0
58
MODE1/EAW
59
ACL
28
SDS2
60
AUX7
61
AUX6
62
AUX5
63
AUX4
64
AUX3
DG
TP572
TP557
TP556
R328A
1K TP580
R329A
1K
TP554
TP562
TP577
R330A
1K TP581
+3.3V
TP550
TP549
DG
C313A
0.1u
C314A
0.1u
C315A
0.1u
C316A
0.1u
C317A
0.1u
TP604
TP587
TP588
TP589
DG
DG
TP590
TP591
TP592
TP593
TP594
TP595
IC301B
8 VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7 VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18 VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17 VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33 VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30 AUX0
31 AUX1
32 AUX2
5
RES
38
AMODE
4 TP
37 VSS37
54 VSS54
34 VSS34
27 C768
35 XTAL1
36 XTAL2
46 VDDA
48 SR2
47 SR1
45 VSSA
43 SX1
44 SX2
56 VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55 VSS55
57
MODE0
58
MODE1/EAW
59 ACL
28
SDS2
60 AUX7
61 AUX6
62
AUX5
63
AUX4
64 AUX3
TP582
TP584
TP585
TP586
TP583
R330B
1K
R329B
1K
R328B
1K
TP553
+3.3V
DG
C316B
0.1u
C313B
0.1u
C304B
0.1u
C314B
0.1u
C317B
0.1u
C315B
0.1u
DG
TP552
TP596
TP598
TP599
TP600
TP601
TP602
TP603
SA305A
NC
SA306A
NC
SA305B
NC
SA306B
NC
R306A 120
2125
R306B 120
40GA
40VA
40GB
40VB
C7MA
C7MB
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
CN3AB
RJ45
1
2
3
Tx1
4
Rx2
5
Rx1
6
Tx2
7
8
CN3AB
RJ45
1
2
3
Tx1
4
Rx2
5
Rx1
6
Tx2
7
8
RL301A
1
12
RL301A
9
10
8
RL301A
4
3
5
RL301B
4
3
5
RL301B
9
10
8
RL301B
1
12
TH306A
NC
TH306B
NC
J303A
NC
J304A
NC
J303B
NC
J304B
NC
C306
20p
C307
22p
A
B
m
b
m
b
m
m
b
b
750mV
0V
-750mV
3.3V
0V
7.68MHz
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