Schematic Diagram; Main Control Board - Panasonic KX-P7100 Service Manual

5 Schematic Diagram

5.1.

Main Control Board

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