4
7
B
D
P
7
5
2
-
0
A
ud
io D
A
C B
oa
rd
2
B
D
P
75
2-
0
M
A
IN B
O
A
R
D
2 . 1 . 1
752BD FRAME SCHEMATIC DIAGRAM
VCC
GND
AOMCLK
AOBCK
AOLRCK
GND
AOSDATA0
AOSDATA1
AOSDATA2
AOSDATA3
GND
AOSDATA4
AODATA5
SCL
SDA
DSD_PCM#
GND
GND
STBY_EN
AU_RESET
AU_AMUTE_MCU
VCC5_STB
TILT-
TILT+
TR-
TR+
FR-
FR+
CO_B+
CO_B-
CO_A+
CO_A-
VDACO#
AUX1
INH
INB
ING
INA
VCC_PDIC
IND
GND
DRFO+
DRFO-
GND
RFO+
RFO-
GND
INC
INE
VHAVC
INF
GND
GND
A3.3V
GND
VCC_LD
GND
VCC_BD_LD
GND
LDD_SDIO_OPU
LDD_CLK_OPU
LDD_SEN_OPU
GIO7
TEST_V
GIO4
GIO5
GIO6
GND
GND
TRAYIN
GND
TRAYOUT
LOAD+
LOAD-
A-
A+
B-
B+
GND
U
V
W
COMMON
5B
D
P
75
1-
0
P
ow
er B
oa
rd
RELAY_ON
GND
+15V_IN
GND
GND
GND
+5V_STB
+5V_STB
-1
5V
G
N
D
G
N
D
+1
5V
G
N
D
+1
2V
F
B
D L
O
A
D
E
R
K
E
M
-
4
8
0 (
S
O
N
Y
)
+
T
O
H
E
I
F
ro
nt P
an
el B
oa
rd
3.3V_STB
IR_FP
STBY_KEY
OPEN/CLOSE_KEY
GND
PLAY_LEFT_RIGHT
UP_DOWN
3D INDICATE
GND
4K_2K INDICATE
VCC
VCC
VCC
GND
GND
VDATA
VSTB
VCLK
C
N
12
C
N
1
C
N
17
C
N
18
C
N
11
LA
N
H
D
M
I2
D
IA
G
.
I
R I
N
U
S
B
1/2
H
D
M
I I
N
H
D
M
I1
O
P
T
C
A
L
R
S
-2
32
C
Chapter Two Block diagram and version of player
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
..
1
MHL/HDMI
INPUT BOARD
MBDP752-0
GND
HDMI
5
V
_
IN
_
VBUS
GND
USBP1
USBM1
USB5V
MHL/HDMI IN
CN9
20PIN
CN26
CN2
Servo port
Mcu port
CN14
CN21
C
O
A
X
IA
L
NAND FLASH
port
CN6
OPTICAL/COAXIAL
INPUT BOARD
BBDP752-0
-2-
