KX-TDA6381X, KX-TDA6381SX - Panasonic PBX Service Manual (repair manual). Page 10

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10
KX-TDA6381X/KX-TDA6381SX
4.2.1.4.
8-Port Sub Board
8-Port Sub Board is mounterd  to Main Board.
DT_OE[15]
DT_OE[11]
DT_OE[13]
DT_OE[12]
DT_OE[14]
DT_OE[8]
DT_OE[9]
DT_OE[8-15]
D[0-7]
DT_OE[10]
DT_OE[13]
DT_OE[15]
LA[0-5]
DT_OE[9]
R[14]
R[15]
R[8]
R[10]
R[9]
R[11]
R[13]
R[12]
T[8]
DT_OE[8]
LA[1]
LA[2]
LA[5]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
LA[4]
LA[0]
LA[3]
DT_OE[12]
T[9]
T[10]
T[11]
T[12]
T[13]
T[14]
T[15]
DT_OE[11]
DT_OE[14]
DT_OE[10]
OPT[1]
DG
DG
CLK
FH
DHW
UHW
C_CS[2]
C_CS[3]
DCLK
DIN
DOUT
DG
+5V
nRD
CLK
nWR
nCS_CID[1]
nRST
11
19
31
17
18
49
57
22
56
28
52
21
51
48
55
2
1
47
3
29
30
59
34
33
53
23
4
45
60
17
25
27
15
13
19
26
54
6
5
7
38
3
9
32
12
8
8
13
CN8
5
24
20
46
50
16
43
40
58
39
7
10
15
41
11
42
14
36
35
6
37
9
12
44
CN2
12
34
CN2
9
CN2
10
35
37
CN2
11
36
CN2
13
38
CN2
14
39
CN2
15
40
CN2
16
41
5
6
7
8
5
6
7
8
CN6
1
2
14
16
18
4
10
20
J1I
J1J
J1K
J1L
J1M
J1N
J1O
J1P
SFG
+3.3V
+2.5V
DG
TH1I
TH1J
TH1K
TH1L
TH1M
TH1N
TH1O
TH1P
+15V
DG
C
928
C
929
C
930
C
931
SFG
C9
1
C9
0
RA
6
R
A
5
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