KX-NCP1280XJ - Panasonic PBX Service Manual (repair manual). Page 29

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     KX-NCP1280XJ
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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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