4-1
4-1
Block Diagram
KEY
IR
A5V
A5V
LED BOARD
STBY/ECO PWER
USB ON
A5V
USB VCC
USB
27MHZ
SD
R
A
M
K
4
S
641632H
-U
C
60
FL
A
S
H
E
N
29LV
160A
B
-7
0T
C
P
M3.3V
M3.3V
USB
ULX-3661CY2
VFD Driver
TM1628
A5V
IR
DATA/CLK/STB
DATA/ CLK /STB/IR
M3.3V
M1.8V
OP/CL
Londer
motor
d
ri
ver
A
M
5888S
A5V
YUV/RGB
CVBS
USB I2C
AISHANG
Pick Up
DVD Loader
+5V
+5V
AC INPUT
MU
T
E
1
MUTE
OP
CL
MTL1389DE-LESL
Main chipset
AUDIO L/ROUT
M3.3V
M1.8V
A5V
RESET
AISHANG DVD LOADER
POWER BOARD
POW352
MPEG BOARD
1
2
1
2
3
1
2
GND
1
2
3
GND
1
2
3
4
5
6
7
7P
GND
A5V
IR
DATA
CLK
STB
ECO POWER
1
2
3
4
5
6
7
7P
GND
IR
DATA
CLK
STB
ECO POWER
1
2
3
4
5
6
6P
1
2
3
4
5
6
6P
1
2
3
4
5
5P
1
2
3
4
5
5P
OP
OP
CL
CL
GND
GND
LOAD+
LOAD+
LOAD-
LOAD-
SL+
SL+
SL-
SL-
GND
GND
SW
SW
SP+
SP+
SP-
SP-
