Schematics

FCC ID: VG8XM134AYY

Schematics

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FCCID_1289810

1 2 3 4 5 6

+5V
+5V

TR1 TR2 TR3 TR4 TR5 EC3 C2
E

E

E

E

E
S8550 S8550 S8550 S8550 S8550 104
B B B B B 47uF/16V
C

C

C

C

C

8
R1 R2 R3 R10 R11 U1A
4K7 4K7 4K7 4K7 4K7 L1 R16
LED1 EC1 3 EC4
IN+ U1B
D COM5 COM4 COM3 COM2 COM1 1uF/50V 150K 1 5 D1 D
2.2MH OUT IN+ R32
1 2 7 P1.0
IN- OUT
2 CN1 2.2uF/50V 6 470R
C1 R81 R82 R17 EC2 RJ1 IN- 1N4148
3 3 LM358
L2 47nF 1M 1M 680K 0.47uF/50V 2K R83 LM358 EC5 R80

4
4 2 C3
2.2MH R85 1M RJ4 1uF/16V 56K
5 1 104
SEG8 R4 220R 6 4K7 RJ3 10K
SEG7 R5 220R 7 CN3 RJ2 RJ5
R86
SEG6 R6 220R 8 2K 10K
4K7 43K
SEG5 R7 220R 9 P4.0
SEG4 R8 220R 10
SEG3 R9 220R 11
SEG2 R44 220R 12
SEG1 R45 220R 13

+12 N
LED4047 5*8 GREEN COMMON ANODE

3

1
+5VRP1
1 10K RLY2
MOTOR

C12 C13 D2 4148 MOTOR

4

2
CN3 20P 20P
C CSA1 TR7 C
2
3
4
5
6
7
8

R51

C
12 1K S8050
R33 P0.0 C11 4MHz P4.2
11 1K EC6 B R52
R34 P0.1 3K3
10 R46

E
R35 1K P3.2 104/50V 47U/16V R87 3K3 +12
9 1M
R36 1K P3.1 2K
8 1K
R37 P0.3
7 1K TR8
R38 P0.4
6 1K S8550
P0.5 +5V

9 TEST
R39

1 P3.3
2 P3.4
3 P3.5
4 P3.6

10P0.0
11P0.1
5 1K
R40 P1.3
4 1K C4 C5 C6 C7 C8 C9 C10
P1.2

5
6
7
8
R41

P3.4

P3.5

P3.6
3 1K
R42 P0.7 IC1
2 1K 471 471 471 471 471 471 471
R43 P0.6
D9

s18/int0/p3.3

Xin

XTout/p0.1
Vss

test
tout/int1/p3.4
tack/int2/p3.5
tacap/int3/p3.6
Vdd

XTin/p0.0
1

Xouot

3

1
JE12 R67 R68 R69
RLY1 PTC1 2K 2K 2K
CON-WRITE1 P3.2 44 12 RESET INRUSH PTC

SWC
SWA

SWB
R56 R58 P1.4 P3.1
s17/txd/p3.2 p0.2/resetb
P0.3
P3.6 43
s16/rxd/p3.1 p0.3/adc8
13
6 COM1 P0.4
P3.5 +5V 2K 1K 42 14

4

2
5 s15/p3.0 p0.4/com7/adc7 1N4148
COM2 41 15 TR6 SWA: 机型选择
R12

C
4 s14/p4.6 AVref
COM3 40 16 P0.5 P3.3 S8050 SWB: 机型选择
3 C15 Z1 R57 C16 s13/p4.5 p0.5/com6/adc6 B
COM4 P0.6

3

1
TEST 39
s12/p4.4
44-QFP
p0.6/com5/adc5
17 3K3 SWC: 机型选择
2 RLY3

E
RESET 103 4.7V 2K 471 COM5 38 18 P0.7 R13
1 s11/p4.3 p0.7/com4/adc4 MICRO
D3 SEG8 37 S3F9488-QFP 19 P1.0 2K D8
s10/p2.7 p1.0/adc3/tbpwm
B 6PIN 4148 SEG7 36 20 P1.1/BUZ 4148 B
s9/p2.6 p1.1/adc2/buz
SEG6 35 21 P1.2
s8/p2.5 p1.2/adc1
CN2 SEG5 34 22 P1.3 +5V

4

2
p1.7/com0
p1.6/com1
p1.5/com2
p1.4/com3
s7/p2.4 p1.3/adc0
MOTOR
5
p2.3/s6
p2.2/s5
p2.1/s4
p2.0/s3
p4.2/s2
p4.1/s1
p4.0/s0
Q1 TR9
R63

C
D5 8050/TO92 +5V P4.1 S8050 R70
B TR11 1K
3K3

E
N R65
3 1N4007 D7 2K
33
32
31
30
29
28
27
26
25
24
23
D4 1N4007 +5V S8550 R71
R59
1N4007 390/1/4W 1K
L RESET R66
D6
SEG4
SEG3
SEG2
SEG1
P4.2
P4.1
P4.0
P1.7
P1.6
P1.5
P1.4

1 R61
EC9 C17 EC8 C19 R77 1K
POWER_SOCKT 104 104 10K D14 Z3
220UF/16V 2K
1N4007 470UF/25V C22 C23 R79 3.3V/DO35
5.6V/DO35

L P1.5

GND
Z2

TRAN1 6 104 104 10K
1 4148
7V +12 C20
2 7
471

2

1
IN C21 CN?
9 R75 +5V
104 DOOR
4 1N4007 D12 D13 2K IC2
11V R76 R78
10 D10 1N4007 8 1
+12 10K 10K Vcc A0
PT6329B 1N4007
7 2
N D11 BUZ1 WP A1
A TR12 A
R73 P1.7
C

6 3
P1.1/BUZ S8050 SCL A2
1N4007 C18 R72 B
EC10 3K3 Title
104 P1.6 5 4
E

5K1 1/4W R74 SDA Vss
470UF/25V BUZ
2K
24C02
Size Number Revision
C24 C25
B
471 471
Date: 20-May-2010 Sheet of
File: E:\Work\产品规格书\EM242ANW_EM234AXX\EMXAUNW-S2-R.DDB
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Document Created: 2010-05-26 10:42:51
Document Modified: 2010-05-26 10:42:51

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