17
Meridian 3
5. Block Diagram
5.1 Scaler Board
0
6
.A
U
D
IO
6.
AU
D
IO
Mu
te
AO
U
T
_R
AO
U
T
_L
+
5
V_SB
VC
C
3
.3
05.
P
AN
EL I
N
T
E
R
F
AC
E
5.
PAN
E
L
I
N
T
E
R
F
AC
E
VLC
D
PA
0
PA
1
PA
2
PA
3
PA
4
PA
5
PA
6
PA
7
PA
8
PA
9
PB
0
PB
1
PB
2
PB
3
PB
4
PB
5
PB
6
PB
7
PB
8
PB
9
LT-SC
L
LT-SD
A
0
2
.INP
U
T
2.
IN
PU
T
RI
N
GN
D
R
GI
N
GN
D
G
BI
N
GN
D
B
HS
Y
N
C
VSY
N
C
D
D
CA
_
S
DA
DD
CA
_
S
C
L
H
D
M
I2_D
2
+
HD
M
I2
_
D2
-
HD
M
I2
_
D1
-
H
D
M
I2_D
1
+
H
D
M
I2_D
0
+
HD
M
I2
_
D0
-
HD
M
I2
_
CK
-
HDM
I2
_
CK
+
HDM
I2
_
S
D
A
HDM
I2
_
S
C
L
DE
T
_
V
G
A
I
DE
T
_
HDM
I2
D
DC_
W
P
+5
V
_
S
B
HDM
I2
_
H
P
D
07.
P
O
W
ER
7.
POW
E
R
on_
P
anel
VC
C
1
.2
VC
C
3
.3
VLC
D
+
5
V_SB
+
12V
04.
SC
ALER
4.
SC
A
L
ER
RIN
GN
D
R
GI
N
GN
D
G
BI
N
GN
D
B
HS
Y
N
C
VS
Y
N
C
DD
CA
_
S
D
A
DD
CA
_
S
C
L
HD
M
I2
_
S
C
L
HD
M
I2
_
S
D
A
HD
M
I2
_
D
2
+
HD
M
I2
_
D
2
-
HD
M
I2
_
D
1
+
HD
M
I2
_
D
1
-
HD
M
I2
_
D
0
+
HD
M
I2
_
D
0
-
HD
M
I2
_
C
K
+
HD
M
I2
_
C
K
-
D
E
T
_VGA
I
DE
T
_
HDM
I2
DD
C_
WP
HD
M
I1
_
D
2
+
HD
M
I1
_
D
2
-
HD
M
I1
_
D
1
+
HD
M
I1
_
D
1
-
HD
M
I1
_
D
0
+
HD
M
I1
_
C
K
+
HD
M
I1
_
C
K
-
HD
M
I1
_
D
0
-
HD
M
I1
_
S
D
A
HD
M
I1
_
S
C
L
DE
T
_
HDM
I1
CE
C_
CT
R
L
HD
M
I1
_
H
P
D
Mu
te
AOU
T
_
L
AO
U
T
_R
o
n
_Pan
el
VC
C
3
.3
VC
C
1
.2
PB
0
PB
1
PB
2
PB
3
PB
4
PB
5
PB
6
PB
7
PB
8
PB
9
PA
0
PA
1
PA
2
PA
3
PA
4
PA
5
PA
6
PA
7
PA
8
PA
9
HD
M
I2
_
H
P
D
+
5
V_S
B
LT
-SD
A
LT
-SC
L
+1
2
V
03
.H
D
M
I1
3.
H
D
M
I1
H
D
M
I1_D
2
+
HD
M
I1
_
D2
-
H
D
M
I1_D
1
+
HD
M
I1
_
D1
-
H
D
M
I1_D
0
+
HD
M
I1
_
D0
-
HDM
I1
_
CK
+
HD
M
I1
_
CK
-
HDM
I1
_
S
D
A
HDM
I1
_
S
C
L
DE
T
_
HDM
I1
CE
C
_
CT
R
L
HDM
I1
_
H
P
D
D
DC_
W
P
+5
V
_
S
B
+
5
V_SB
+
5
V_SB
VLC
D
+
5
V_SB
+
5
V_
SB
VC
C
3
.3
VC
C
1
.2
VC
C
1
.2
VC
C
3
.3
VL
C
D
+
5V_S
B
+1
2
V
+1
2
V
VC
C
3
.3