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Display Board -- Circuit Diagram
SM1
SM2
SM3
SM4
SMARK
SMARK
SMARK
SMARK
A5V
R30
120K
AUTO-OFF
G
1
AGND
P
5
H
4
MP3_R
R
3
MP3_L
L
2
JP1
TE-03575
FB1
DDGND
USB
5
DGND
4
GND
D+
3
D+
D-
2
D-
VBUS
1
UVCC
CON2
2.0*5
12
GND
11
AUTO-OFF
10
IR
9
LED_PWM
8
DATA
7
WR
6
CS
5
GND
4
AD1
3
AD2
2
3.3V
D1
1
A5V
5819
5V
PJ4
CON12-2.0-AW
1
TP1
DD
1
TP2
DD
P5
P1
P2
P3
P4
MP3_R
1
AGND
2
MP3_L
3
CON1
2.0-3P
DATA
CS
WR
R28
10R
A5V
EC4
100uF/10V
J9
Q3
ESD
AD1
R8
470R
5.1K
SW1
SW2
ON/OFF
ON/OFF
AD2
R13
470R
4.7K
SW7
ON/OFF
SW6
ON/OFF
12-1
LCD1
33
COM[00:07]
SEG[00:23]
J8
J2
J3
100R
R21
44
DI
J4
R3
100R
43
CLK
J5
R4
100R
42
CE
41
J1
VDD
U1
40
OSC
R27
560R
39
VSS
I-PT6533
R29
38
68K
VLCD
COM00
37
COM1
COM01
36
COM2
COM02
35
COM3
A5V
COM03
34
COM4
R12
R9
R11
33K
20K
SW4
SW5
ON/OFF
ON/OFF
R15
R16
R10
R17
10K
33K
10K
SW3
SW8
SW9
ON/OFF
ON/OFF
ON/OFF
IR
R14
EC1
10R
47uF/6.3V
IR
12
SEG11
SG12
13
SEG12
SG13
14
SEG13
SG14
3.3V
15
SEG14
SG15
16
SEG15
SG16
17
SEG16
SG17
18
SEG17
SG18
19
SEG18
SG19
20
SEG19
SG20
21
SEG20
SG21
82K
R33
5V
22
SEG21
SG22
R32
10K
A5V
R22
150R
R23
10K
R26
47K
LED_PWM
EC2
J6
2.2u/10V
J7
12-1
R18
47R
3.3V
C8
100P
R19
470
R31
47K
R20
10K
Q1
8050
Q4
8050
EC5
22uF/10V
LED1
LED2
Q2
8050
EC3
22uF/10V
R25
100K
R24
0
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