1
12
23
34
45
56
67
78
8
D
D
工频电场C
C
Btmds
B
A A
Title Number
Revision
Size A2Date:
2012/6/19
Sheet of File:
C:\Program Files (x86)\..\linbiye.SchDoc
Drawn By:
30pF C61
2
Y1
XTAL
30pF
C7100pF C8
+5V
GND
10K
R41
+5V
GND
IN31IN42IN53IN64IN75ST 6EOC
7D38OE 9CLK
10VCC 11VREF+
12GND
13D1
14D2
15VREF-16D0
17D4
18D5
19D6
王馨流产
20D7
21ALE
22A
23B
24C
25IN0
26IN1
27IN2
dce28U7
ADC0809
D
0CP 1Q*
2
Q
3
d301A1
f 9
g 10e 1d 2A 3c 4DP
5b 6a 7A
8
DS1Dpy Blue-CA
R6
1
NO1
S1
7S2
8S3
91
10
S4
4S8
1S13
S6
5
S9
2S11
SW-PB
S10
3S5
6S12
SW-PB
+1
121
11
-1
13
P1.3P1.3P1.4
P1.5P1.6P1.7P1.2
P1.1
P1.0P1.0P1.1P1.2P1.4P1.5P1.6P1.7500R28Res2500
R29Res2500
R30Res2500R27Res2+5V
LS1
Speaker
D4
LED2
Q2NPN
VCC
GND
P 2.6P2.6
P1.0/T2
1P1.1/T2EX
2P1.2/ECI
3P1.3/CEX0
4P1.4/CEX1
5P1.5/CEX2
6P1.6/CEX3
大连城市交通信息网7P1.7/CEX4
8
RST 9
P3.0/RxD
10P3.1/TxD 11P3.2/INT012P3.3/INT113P3.4/T014P3.5/T115
P3.6/WR 16P3.7/RD
17
XTAL2
18
XTAL119VSS
20
P2.0/A8
21
P2.1/A9
22P2.2/A10
23P2.3/A11
24P2.4/A12
25P2.5/A13
26P2.6/A14
27P2.7/A15
28PSEN 29ALE/PROG
30EA/VPP 31P0.7/AD732P0.6/AD6
33P0.5/AD5
34P0.4/AD4
35P0.3/AD3
36P0.2/AD2
37P0.1/AD1
38P0.0/AD0
39
VCC
40
U6
P89C51RD2BN/01
Q1
NPN
D2
Diode
10K
R2
2K
R3
4K
R14K
R5
Res2
K1
Relay-SPDT
+5V
U2
Optoisolator1
+5V
GND
1
23P1
Header 3H
P2.5P2.5T1
Trans Cupl
D1
Bridge1
10f C2Cap 100pF
C1
Cap Pol2100pF
C3Cap ~220V
~8V
P2.1P2.0P2.2P2.3U9
U10
U11
10K
R40
S7
SW-PB
3
24
5
1+_
N3
NE5532
100pF C4100pF
C5
VCC
GND
GND
VCC
3
245
1
食品安全快速检测
+
_N2
NE5532
3
245
1
+
_N1
NE5532
3K R253K R32
500K R18
Res2
1K
R23500k
R34
Res2
1K R15VCC
VCC
GND
GND
GND
IN0
GND
Vin Vout
G N D
U17805
1
23
P2
Header 3H
IN1GND
+5V
P3.4GND
OE 1Q02D0
3D1
4Q15Q26D2
7D3
8Q39VCC
10
LE
11Q412D4
13D5
14Q515Q616D6
17D718Q719
GND 20U8
74ls3731A 2
B 3
QA 4
QB 5
QC 6
QD 7
GND 8
CLK
9CLR 10QE 11QF 12QG 13QH 14VCC U3
74ls164
P3.5P2.4RXD TXD
+5V D0D1D2D3D4D5D6D7
D0D1D2D3D4D5D6D7GND GND GND G N D
D0D1D2D3D4D5D6D7GND 01
~1
DJ
10K
R42
Res2+5V
R4
1A 2
B 3
QA 4
QB 5
QC 6
QD 7
GND 8
CLK
9CLR 10QE 11QF 12QG 13QH 14VCC U4
74ls164
1A 2
B 3
QA 4
QB 5
QC 6
QD 7
GND 8
CLK
9CLR 10QE 11QF 12QG 13QH 14VCC U5
74ls164
R7R8R9R10
R11R12
R13
R14
R16R17R19R20R21R22R24R26
R31R33R35R36R37R38R39
f 9
g 10e 1d 2A 3c 4DP
5b 6a 7A
8
DS2Dpy Blue-CA
f 9
g 10e 1d 2A 3c 4DP
5b 6a 7A
8
DS3Dpy Blue-CA
GND RXD
T X
D 01
NO2
1
NO3
+5V
V C C
P3.5
4.7K*8
4.7K*84.7K*8
VCC
P2.3
P2.4
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