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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

Panasonic KX-NCP1280XJ Service Manual ▷ View online

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
29
     KX-NCP1280XJ
(4)
(6)
(8)
(11)
(13)
(15)
(17)
(19)
(21)
(23)
(25)
(33)
(35)
(37)
(39)
(42)
(44)
(46)
(48)
(50)
(52)
(54)
(56)
(58)
(1)
(2)
(3)
(5)
(7)
(9)
(10)
(12)
(14)
(16)
(18)
(20)
(22)
(24)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(34)
(36)
(38)
(40)
(41)
(43)
(45)
(47)
(49)
(51)
(53)
(55)
(57)
(59)
(60)
(61)
(62)
KX-NCP1280
XJ SCHEMATIC DIAGRAM No.3 (2/2)
7
8
11
10
9
C4M
C4M,DHW0,UHW0
nRD,nWR
LA[0-18]
ID[0-7]
CLKOUT[0]
CLKOUT[1]
BRI_RST[1-2],MODE_[0-7]
BRI_RST[2]
DC_CONT[0-7],CP[0-1]
DC_CONT[0]
nRD
nCS_BRI[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
LA[8]
ID[0]
ID[1]
ID[2]
ID[3]
ID[4]
ID[5]
ID[6]
ID[7]
DC_CONT[1]
DHW0
UHW0
DHW0
nRD
nCS_BRI[1]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
LA[8]
ID[0]
ID[1]
ID[2]
ID[3]
ID[4]
ID[5]
ID[6]
ID[7]
MODE_[1]
nCS_BRI[1]
nCS_BRI[0]
nCS_BRI[1]
nCS_BRI[0]
nWR2
nWR2
CP[0]
CP[1]
C4M
UHW0
MODE_[0]
CLKOUT[0]
CLKOUT[1]
L_nCS[6],nCS[1-2,6]
nINT_BRI
nINT_BRI
nWR
P2[2-4]
P2[4]
P2[4]
BRI_RST[1]
LA[0]
LA[9]
L_nCS[6]
nCS[6]
FG
R307A 10K
SFG
R307B 10K
R315A
22
R316A 22
R317A
10K
R318A
10K
R315B 22
R316B
22
001:1B
002:12G;001:1B
002:2B;001:1A
002:2D
001:1C
001:1C
001:1B
nWR2
003:11E
DG
TP608
FIL33A
1
2
3
FIL33B
1
2
3
+3.3V
TP606
+3.3V
DG
TP609
R317B 10K
R318B
10K
TP605
+3.3V
+3.3V
TP607
TP610
TP629
TP630
+3.3V
R327B
10K
R327A
10K
R115
10K
+3.3V
R114
47
FIL9
1
2
3
TP632
TP633
TP628
+3.3V
J10
0
C4M
DHW0
UHW0
CK0
CK1
SFG
FG
DG
IC25
4
5
6
IC25
9
10
8
IC25
1
2
3
IC25
12
13
11
DG
DG
IC25
14
7
+3.3V
C57
0.1u
IC26
1
2
3
IC26
4
5
6
IC26
12
13
11
IC26
9
10
8
+3.3V
DG
C58
0.1u
IC26
14
7
R109
10K
R110
10K
+3.3V
R112
22
R113
22
TP625
TP624
TP621
TP631
TP623
TP627
TP619
TP618
L_NETREF
001:8B
002:12G;001:1B
nINT_BRI
002:5F;001:8B
C16M
001:6H
J3
0
IC22
13
12
11
TP58
R19
68
R17
10K
nWR2
003:12B
TP59
nWR2
TP68
R16
22
TP63
+3.3V
TP67
CLK0
002:9A
L1
220
IC20
3
CLK
2
D
5
Q
4
SET
1
RESET
6
Q
R12
10K
TP62
TP66
+3.3V
R18
22
J4
NC
J5
NC
TP60
TP69
IC20
11
CLK
12
D
9
Q
10
SET
13
RESET
8
Q
TP65
DG
IC22
1
2
3
+3.3V
IC20
14
7
IC22
14
7
DG
IC22
4
5
6
+3.3V
TP85
TP84
C33
0.1u
TP64
C31
0.1u
SA1
0
C318A
0.01u
DG
C318B
0.01u
DG
R129
22
DG
R128
NC
J8
0
IC22
10
9
8
+3.3V
R108
10K
R130
22
R131
NC
DG
FIL8
PC105
1
2
3
D
F
E
C
B
A
H
G
3.3V
0V
1.536MHz
3.3V or 0V
3.3V
0V
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