KX-NCP1280XJ - Panasonic PBX Service Manual (repair manual). Page 27

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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
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