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键盘原理图键盘原理图键盘原理图键盘原理图键盘原理图键盘原理图

[
B1
BRI
BRIDGE1



]
[
BELL1
RB.2/.4
BELL



]
[
BELL2
SIP2
BELL



]
[
C1
RAD0.2
30p



]
[
C2
RAD0.2
30p



]
[
C3
RAD0.2
1uf



]
[
C4
RAD0.2
1uf



]
[
C5
RAD0.2
1uf



]
[
C7
RAD0.2
0.33uf



]
[
C8
RAD0.2
0.33uf



]
[
C9
RAD0.2
33pf



]
[
C10
RAD0.2
1.5nF



]
[
C11
RAD0.2
22nf



]
[
C12
RAD0.2
0.33uf



]
[
C13
RAD0.2
1UF



]
[
C14
RAD0.2
.1U



]
[
C15
RAD0.2
.1U



]
[
C16
RAD0.2
100nF



]
[
C17
RAD0.2
100nF



]
[
C18
RAD0.2
0.1



]
[
C19
RAD0.2
0.1



]
[
C20
RAD0.2
0.1



]
[
C21
RAD0.2
0.1



]
[
C22
RAD0.2
0.1



]
[
C23
RAD0.2
0.1



]
[
C24
RAD0.2
0.1



]
[
C25
RAD0.2
0.1



]
[
C26
RAD0.2
1uf



]
[
C27
RAD0.2
33pf



]
[
C28
RAD0.2
30P



]
[
C30
RAD0.2
1uF



]
[
C31
RAD0.2
0.01uF



]
[
C32
RAD0.2
0.1



]
[
C33
RAD0.2
0.1



]
[
C34
RAD0.2
0.1



]
[
C35
RAD0.2
0.1



]
[
C36
RAD0.2
0.1



]
[
C37
RAD0.2
0.1



]
[
C38
RAD0.2
0.1



]
[
C39
RAD0.2
0.1



]
[
C40
RAD0.2
0.1



]
[
C41
RAD0.2
0.01



]
[
C42
RAD0.2
0.1



]
[
C43
RAD0.2
0.1



]
[
C44
RAD0.2
0.1



]
[
C45
RAD0.2
0.1



]
[
C46
RAD0.2
0.1



]
[
C47
RAD0.2
0.1



]
[
C111
RAD0.2
10uF



]
[
CRY2
XTAL1
10.24M



]
[
CY1
XTAL1
11.0592mHZ



]
[
D2
DIODE0.4
IN4004



]
[
D3
DIODE0.4
IN4004



]
[
E1
RB.2/.4
100U



]
[
E2
RB.2/.4
10uF



]
[
E3
RB.1/.2
10uF



]
[
J2
TELE
CON2



]
[
J3
7J
POWER



]
[
J4
SIP5
4.7k*4



]
[
J5
IDC50
50PIN



]
[
J6
IDC50
50PIN



]
[
J7
IDC50
50PIN



]
[
J8
IDC26
key



]
[
J9
SIP9
4.7K*8



]
[
J10
SIP5
4.7K*4



]
[
J11
IDC50
led



]
[
J12
SIP9
4.7K*8



]
[
L1
LED




]
[
L2
LED




]
[
L3
LED




]
[
L4
LED




]
[
N0
NPN




]
[
N1
NPN




]
[
N2
NPN




]
[
N3
NPN




]
[
N4
NPN




]
[
N5
NPN




]
[
N6
NPN




]
[
N7
NPN




]
[
N8
NPN




]
[
N9
NPN




]
[
N10
NPN




]
[
N11
NPN




]
[
N12
NPN




]
[
N13
NPN




]
[
N14
NPN




]
[
N15
NPN




]
[
N16
NPN




]
[
N17
NPN




]
[
N18
NPN




]
[
N19
NPN




]
[
N20
NPN




]
[
N21
NPN




]
[
N22
NPN




]
[
N23
NPN




]
[
N24
NPN




]
[
N25
NPN




]
[
N26
NPN




]
[
N27
NPN




]
[
N28
NPN




]
[
N29
NPN




]
[
N30
NPN




]
[
N31
NPN




]
[
N40
NPN




]
[
N41
NPN




]
[
N42
NPN




]
[
N43
NPN




]
[
N44
NPN




]
[
N45
NPN




]
[
N46
NPN




]
[
N47
NPN




]
[
N48
NPN




]
[
N49
NPN




]
[
N50
NPN




]
[
N51
NPN




]
[
N52
NPN




]
[
N53
NPN




]
[
N54
NPN




]
[
N55
NPN




]
[
N56
NPN




]
[
N57
NPN




]
[
N58
NPN




]
[
N59
NPN




]
[
N60
NPN




]
[
N61
NPN




]
[
N62
NPN




]
[
N63
NPN




]
[
R3
AXIAL0.4
1K



]
[
R4
AXIAL0.4
1K



]
[
R5
AXIAL0.4
10K



]
[
R6
AXIAL0.4
47R



]
[
R7
AXIAL0.4
10K



]
[
R8
AXIAL0.4
100K



]
[
R9
AXIAL0.4
68K



]
[
R10
AXIAL0.4
100K



]
[
R11
AXIAL0.4
68K



]
[
R12
AXIAL0.5
1k/2W



]
[
R13
AXIAL0.4
390K



]
[
R14
AXIAL0.4
390K



]
[
R15
AXIAL0.4
390R



]
[
R16
AXIAL0.4
10K



]
[
R20
AXIAL0.4
1K



]
[
R21
AXIAL0.4
10K



]
[
R22
AXIAL0.4
100K



]
[
R23
AXIAL0.4
5R



]
[
R24
AXIAL0.4
4.7K



]
[
R29
AXIAL0.4
10K



]
[
RL1
RLY




]
[
RL2
RLY




]
[
S1
NPN
NPN



]
[
S2
NPN
NPN



]
[
SW1
DIP8
SW-DIP4



]
[
T3
BB




]
[
TELE1
TELE
CON2



]
[
TELE2
TELE
CON2



]
[
U1
DIP40
8031



]
[
U2
DIP28
MT8952B0



]
[
U3
DIP28
62256



]
[
U4
DIP16
MAX232



]
[
U5
DIP22A
MT8972B



]
[
U6
SIP22
MY8668



]
[
U7
SIP22
MY8668



]
[
U9
DIP20
74LS373



]
[
U10
DIP18
MT8870A



]
[
U11
DIP18
MT8870A



]
[
U12
DB9/F
DB9



]
[
U13
DIP14
74HC14



]
[
U14
DIP28
29C512



]
[
U15
PGA84X13
ISP 1032E



]
[
U16
DIP40
8255A



]
[
U17
DIP40
8255A



]
[
U18
DIP40
8255A



]
[
U19
DIP40
8255A



]
[
U20
DIP40
8255A



]
[
U21
DIP40
8255A



]
[
U22
DIP40
8255A



]
[
U23
DIP40
8255A



]
[
U24
DIP40
8255A



]
[
U25
DIP28
AM2864A20DC(28)



]
[
U26
DIP28
AM2864A20DC(28)



]
[
U27
DIP8
555



]
[
U28
DIP18
ULN2803



]
[
U29
DIP18
ULN2803



]
[
U30
DIP18
ULN2803



]
[
WR
SIP2




]
[
X1
XTAL1
3.58MHZ



]
(
N00003
C4-1
U4-3
)
(
N00004
C4-2
U4-1
)
(
N00009
C2-2
CY1-2
U1-19
)
(
N00010
C1-2
CY1-1
U1-18
)
(
N00011
C26-1
U4-6
)
(
N00012
C3-2
U4-2
)
(
RESET
U13-1
U2-5
J8-25
)
(
N00016
U4-4
C5-1
)
(
N00017
U4-5
C5-2
)
(
N00022
U13-2
U1-9
)
(
N00023
J12-4
U1-3
)
(
N00024
J12-5
U1-4
)
(
SPK1
J12-8
U1-7
R24-1
)
(
SPK2
J12-9
U1-8
C41-1
U27-4
)
(
INT
U1-12
R5-1
U2-6
)
(
LED3
U13-9
J12-2
U1-1
)
(
LED4
U13-11
J12-3
U1-2
)
(
N00033
C7-2
U5-2
)
(
N00034
C8-1
U5-3
)
(
N00035
U5-1
C10-1
R15-1
)
(
N00037
U5-9
R16-1
)
(
N00039
L3-2
U13-8
)
(
N00040
L4-2
U13-10
)
(
N00041
L3-1
R3-2
)
(
N00042
L4-1
R4-2
)
(
PSEN
U1-29
U14-24
)
(
TXD
U1-11
U4-11
)
(
RXD
U1-10
U4-12
)
(
TXX
U12-2
U4-14
)
(
RXX
U12-3
U4-13
)
(
N00055
U5-16
C9-1
CRY2-1
)
(
N00056
U5-17
C27-1
CRY2-2
)
(
N00057
U5-21
R6-1
)
(
T1
RL1-13
TELE1-2
)
(
R1
RL1-4
TELE1-1
)
(
T2
RL2-13
TELE2-2
)
(
R2
RL2-4
TELE2-1
)
(
N00062
E2-1
U6-9
)
(
N00063
E3-1
U7-9
)
(
N00064
C10-2
R15-2
C11-1
)
(
N00065
RL1-11
C14-1
U6-12
)
(
N00066
RL1-9
U6-3
)
(
N00067
RL1-6
U6-11
)
(
N00068
RL1-16
U6-5
)
(
N00069
RL2-11
C15-1
U7-12
)
(
N00070
RL2-9
U7-3
)
(
N00071
RL2-6
U7-11
)
(
RING
RL2-8
RL1-8
J3-7
)
(
N00073
RL2-16
U7-5
)
(
N00074
R6-2
D3-K
D2-A
T3-1
C11-2
)
(
-48V
B1-4
E3-2
U7-10
E2-2
U6-10
J3-6
)
(
RINGC1
U6-4
J12-6
U1-5
)
(
SHK1
U6-6
U24-11
)
(
LED1
U6-7
L1-2
)
(
RINGC2
U7-4
J12-7
U1-6
)
(
SHK2
U7-6
U24-10
)
(
LED2
U7-7
L2-2
)
(
-5V
U7-1
U6-1
J3-5
)
(
N00083
C12-1
T3-5
)
(
T
T3-10
J2-1
B1-1
)
(
N00085
T3-8
C13-1
R12-2
)
(
N00086
T3-9
C13-2
R12-1
)
(
R
T3-7
J2-2
B1-3
)
(
DSTO
U7-18
U6-18
U5-12
U2-4
)
(
DSTI
U7-21
U6-21
U5-13
U2-3
)
(
N00098
C14-2
R10-1
)
(
N00099
C15-2
R8-1
)
(
N00100
R7-1
U15-23
)
(
N00101
R10-2
R11-1
U10-2
)
(
N00102
R8-2
R9-1
U11-2
)
(
CS8952
U15-12
U2-11
)
(
CS62256
U15-13
U3-20
)
(
CS28641
U15-15
U25-20
)
(
CS28642
U15-16
U26-20
)
(
D0
U15-26
U9-3
U1-39
U3-11
U2-15
U14-13
U24-34
U23-34
U19-34
U22-34
U18-34
U26-11
U21-34
U17-34
U25-11
U20-34
U16-34
)
(
D1
U15-27
U9-4
U1-38
U3-12
U2-16
U14-14
U24-33
U23-33
U19-33
U22-33
U18-33
U26-12
U21-33
U17-33
U25-12
U20-33
U16-33
)
(
D2
U15-28
U9-7
U1-37
U3-13
U2-17
U14-15
U24-32
U23-32
U19-32
U22-32
U18-32
U26-13
U21-32
U17-32
U25-13
U20-32
U16-32
)
(
D3
U15-29
U9-8
U1-36
U3-15
U2-18
U14-17
U24-31
U23-31
U19-31
U22-31
U18-31
U26-15
U21-31
U17-31
U25-15
U20-31
U16-31
)
(
D4
U15-30
U9-13
U1-35
U3-16
U2-19
U14-18
U24-30
U23-30
U19-30
U22-30
U18-30
U26-16
U21-30
U17-30
U25-16
U20-30
U16-30
)
(
D5
U15-31
U9-14
U1-34
U3-17
U2-20
U14-19
U24-29
U23-29
U19-29
U22-29
U18-29
U26-17
U21-29
U17-29
U25-17
U20-29
U16-29
)
(
D6
U15-32
U9-17
U1-33
U3-18
U2-21
U14-20
U24-28
U23-28
U19-28
U22-28
U18-28
U26-18
U21-28
U17-28
U25-18
U20-28
U16-28
)
(
N00120
X1-1
U10-8
C28-1
)
(
N00121
X1-2
U10-7
)
(
N00122
C28-2
U11-7
)
(
N00123
R11-2
U10-3
)
(
N00124
R9-2
U11-3
)
(
D7
U15-33
U9-18
U1-32
U3-19
U2-22
U14-21
U24-27
U23-27
U19-27
U22-27
U18-27
U26-19
U21-27
U17-27
U25-19
U20-27
U16-27
)
(
A0
U15-34
U9-2
U3-10
U14-12
U2-7
U24-9
U23-9
U19-9
U22-9
U18-9
U21-9
U17-9
U26-10
U25-10
U20-9
U16-9
)
(
A1
U15-35
U9-5
U3-9
U14-11
U2-8