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NOTE: subject to change without notice for improvement!
SCHEMATIC DIAGRAM
MODEL NO.: SX-3083TVD MCU SCH
DSA_ACK
DSA_DAT
DVD_REMOTE
DSA_STB
G_LED
VCC_MCU
MCUSCL
MCUSDA
R_LED
DSA_STB
DSA_DAT
DVD/TV_SEL
MCU_MUTE
KEY1
TFT_SWITCH
STANDBY
DSA_REMOTE
DVD_PWR
KEY3
TV_PWR
KEY2
KEY4
TFT_SWITCH
BL_EB
DSA_ACK
TFT_RESET
14
VOL_PWM
TFT_SDA
14
TFT_SCL
14
MCU_POWER_DET
LOWBAT_DET
MCUSCL
MCUSDA
GND
GND
VCC_MCU
VCC_MCU
VCC_MCU
MCU3.3
VCC_MCU
VCC_MCU
VCC_MCU
VCC_MCU
VCC_MCU
VCC_MCU
GND
TAGND
AGND
TDGND
VCC_MCU
GND
J1
ISP
1
2
3
4
C1
10uF
R1
10K
TC1
220uF/10V
R16
10K
R9
33R
XT1
12MHz
RN1
10K(8P4R)
7
5
3
1
2
4
6
8
D1
DCOLOR
RN3 10K(8P4R)
7
5
3
1
2
4
6
8
TP2
R5
100R
K1
4
3
2
1
RN2
10K(8P4R)
7
5
3
1
2
4
6
8
RN4
10K(8P4R)
7
5
3
1
2
4
6
8
R18
1M
D2
1N4148
R7
100
R11
33R
RMC1
REMOTE
1
2
3
OUT
GND
VC
C
R22
33R
C2
10uF/10V
C8
27pF
SQ1
8550
TP1
R23
33R
C7
27pF
R93
4K7
C4
47P
Q1
3904
RN5
10K(8P4R)
7
5
3
1
2
4
6
8
R21
10K
R4
10K
D3
1N4148
C6
47P
R3
10R
C5
47P
R8
4.7K
R14
10K
R15
10K
R6
100R
IC1
STK6031PX-3V48QFP
31
16
15
4
8
9
10
11
43
44
45
46
47
1
2
3
40
39
38
37
35
34
33
32
19
20
21
22
23
25
26
27
14
13
28
29
7
5
41
17
18
30
42
6
12
24
36
48
EA
XIN
XO
U
T
RESET
P3.2
P3.3
P3.4
P3.5
P1
.0
P1
.1
P1
.2
P1
.3
P1
.4
P1.5
P1.6
P1.7
P0
.0
P0
.1
P0
.2
P0
.3
P0.4
P0.5
P0.6
P0.7
P2
.0
P2
.1
P2
.2
P2
.3
P2
.4
P2.5
P2.6
P2.7
P3
.7
P3
.6
PSEN
ALE
P3.1
P3.0
VC
C
G_ND
P4
.0
P4.1
P4
.2
P4.3
NC
NC
NC
NC
R13
33R
R19
10K
U1
NC/24C01/CAT24C021
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
R2
10K
R10
33R
TC2
100uF/10V
R12
33R
C3
47P
R20
10K