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