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5 Schematic Diagram
5.1. Main Control Board
1
A
2
3
4
5
6
HGFEDCB
6
2
1
3
4
5
CBA GFED
1/6
(Main Control Board)
KX-P7100
500 ns
0.6 s
500 ns
(53.84 MHz)
VCLK
002:B3;002:B4;003:A4
IC1
P11
P10
NC1
P12
P13
P14
P15
P16
P17
RST
RXD
NC2
TXD
nINT0
nINT1
T0
T1
nWR
nRD
XTAL2
NC3
A8
A9
A10
A11
A12
A13
A14
A15
nPSEN
ALE/nPROG
NC4
nEA/VPP
AD7
AD6
AD5
AD4
AD3
XTAL1
3
2
1
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
GND
AD2
AD1
AD0
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
VCC
1284SEL
003:E4
RIP_DI
003:G2
nRDYLED
003:C4
RIP_DO
003:G2
nPURGE
005:G4
RIP_SK
003:G2
RIP_CS
003:G2
RST
003:G3
100p
C1
nINTR
002:B4
nCAUTOFD
003:B3;004:D5
nUSTB
003:H1
nKEY
003:F4
nDRMLED
003:C4
nERRLED
003:C4
CPUCLK
003:G3;005:D3
ALE
002:B3
nRD
002:B3
nWR
002:B3
HC/49 U3(53.84MHz)
53.84MHz
X2
+5VLD
+24V
+24VIR
+5VSP
IC2
89
IC2
14
VCC
7
GND
FG-B
FG-C
FG-E
FG-D
FG-A
10k
R5
IC2
65
IC2
21
IC2
1213
IC2
43
IC2
1011
5p
C13
100
R4
5p
C10
4.7k
R2
33
R43
PSAVE_E
005:G3
10k
R49
10k
R48
0.1u
C148
0.1u
C147
0.1u
C149
+24V
+24VIR
0.1u
C167
0.1u
C4
0.1uC3
0.1u
C16
10p
C2
10p
C5
10p
C6
10p
C7
10p
C14
1000p
C168
100
R153
27
R7
A[8-10]
002:B3
AD[0-7]
002:B3
0.1uC144
0.1u
C145
+5VSP
AD[0]
AD[1]
AD[2]
AD[3]
AD[7]
AD[6]
A[10]
A[9]
A[8]
AD[4]
AD[5]
GND<+24V>
POWER<+24V>
GND<+5V>
POWER<+24VIR>
F.G.
POWER<+5V>
POWER<+5VLD>
POWER<+5VSP>
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
KX-P7100
73