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5
DECODE BOARD SCHEMATIC DIAGRAM 6/6
NAME
TYPE
VCC/+5V
Digital 5V
DV33
Digital 3.3V
RFV33
Servo 3.3V
AV33
Laser Diode 3.3V
D
V18
Digital 1.8V
SD33
Digital 3.3V
+12V
Audio +12V
-12V
Audio -12V
AVDD5
Audio 5V
DVDD3
Audio 3.3V
MCU_3V3
Nxp Mcu 3.3V
C
B
A
5
4
DEVICE
SUPPLY
MT1389HD
MT1389HD
MT1389HD
SDRAM
OP AMP.
OP AMP.
Audio DAC
Audio DAC
MCU
+5V
EC106
CB117
100UF16V
0.1UF
+12V
EC104
CB122
+
10uF/16v
0.1uF
-P12V
L104
FB
CE103
47uF/16v
DV33
R500
NC 330
LED100
NC LED DIP2.54
IR
R114
C104
100pF
Open JP101 ,
if used VFD
4
3
V18
CB101
CB102
CB103
CB104
CB105
CB106
CB107
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
V33
+5V
U101
AM1117_3.3V
R101
3
2
IN
OUT
CB116
CE101
R102
CB118
+
0.1UF
NC(470)
100uF
0.1uF
R104
1
2
0
-12V
10uF/16v
CB123
CB124
CB125
CB126
CB127
CB128
EC100
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
+P12V
+5V
-12V
+12V
AVCC
L105
L100
FB
CB129
FB
CE104
+
CB130
CE100
+
CB100
0.1uF
100uF/16v
0.1uF
47uF/10v
0.1uF
V33
DV33
+12V
L108
FB
CE107
CE106
CB132
+
+
220uF/6.3v
47uF/16v
0.1uF
DV33
10
L110
FB
VSCK
L111
FB
VSTB
L112
FB
VSDA
L113
FB
VOL_UP
R100
100
L114
VOL_DOWN
R115
100
L115
URST#
C100
C105
C106
C107
22pF
22pF
22pF
22pF
3
2
DV33
DV33
CB108
CB109
CB110
CB111
CB112
CB113
CB114
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
U100
V18
3.9 OHM/2W
3
2
IN
OUT
CE102
EC105
1
ADJ/GND
CB119
R103
+
+
680,1%
0.1uF
100uF
AZ1117-Adj
100uF/6.3v
Ra
R105
300,1%
Vo=1.25x(1+Rb/Ra)
Rb
CB121
0.1uF
MO_VCC
L102
DV33
RFV33
L106
L103
MO_VCC
VCC
L107
FB
CE105
+
CB131
0.1uF
47uF/6.3v
+9V
2
3
Q101
8050 DIP
R107 470
CE109
D101
+
10V
100uF/16v
CN120
1
2
3
4
5
FB
6
FB
7
C108
C109
8P_2.0
22pF
22pF
2
1
URST#
URST#
[2]
CB115
V33
V33
RFV33
RFV33
[2]
0.1uF
DV33
DV33
[2,3,5,6,7]
V18
V18
[2]
AVCC
AVCC
[2,5,7]
+12V
+12V
[5,6,7]
-12V
-12V
[5,6]
+9V
+9V
[6]
+5V
+5V
[2,7]
MO_VCC
MO_VCC [2]
CB120
VSCK
VSCK
[2]
VSTB
VSTB
[2]
0.1uF
VSDA
VSDA
[2]
IR
IR
[2]
VFD_SDA
VFD_SDA [2]
VFD_SCL
VFD_SCL [2]
CN100
1
L101
FB 1A
2
+5V
3
EC107
+P12V
4
+P12V
5
470UF16V
-P12V
6
-P12V
FB
+5V
GND
GND
NC(FB)
7P/2.0MM PWOER
AVCC
FB
+5V
DV33
RESET Circuit
3
D100
R108
TP1
2
22k
1N4148
LM809
R109
100
URST#
[2]
1
C102
EC109
C103
+
GND
10uF/16v
NC
1uF/NC
C10UF16V/D5H11
0.01u
IC114
C196 closer to PIN100 of MT1389S.
1
D
C
B
A
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