Philips 247E3LHSU/00, Service Manual

Page: 17 / 119

17
Meridian 3
5. Block Diagram
5.1 Scaler Board
06.
A
U
D
IO
6.
AU
D
IO
Vo
lu
m
e
Mu
te
AO
U
T
_
R
AO
U
T
_
L
AI
N
_
L
AI
N
_
R
+5
V
_
S
B
A
udio_SD
05.
PAN
EL I
N
T
E
R
F
AC
E
5.
P
A
N
E
L I
N
T
E
R
F
AC
E
VLC
D
PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PB8 PB9
LT-S CL
LT-S DA
02.
IN
PU
T
2
.IN
P
U
T
RI
N
GN
D
R
GI
N
GN
D
G
BI
N
GN
D
B
HS
Y
N
C
VSY
N
C
D
DCA
_
S
D
A
D
DCA
_
S
C
L
H
D
M
I2_D
2+
H
D
M
I2_D
2-
H
D
M
I2_D
1-
H
D
M
I2_D
1+
H
D
M
I2_D
0+
H
D
M
I2_D
0-
HD
M
I2
_
CK
-
HD
M
I2
_
C
K
+
DV
I_
S
D
A
DV
I_
S
C
L
D
E
T
_
VG
AI
DE
T
_
DV
II
DDC_
W
P
DV
I5
V
+
5
V_SB
DV
I_
HP
D
07.
P
O
W
E
R
7.
PO
W
E
R
on
_Panel
on
_BAC
KL
IG
H
T
Ad
j_
B
A
C
KL
IG
H
T
P
A
N
E
L_I
D
#
A
udio_EN
Mu
te
VC
C
1
.8
VC
C
3
.3
VL
C
D
+5
V
_
S
B
Vo
lu
m
e
04.
S
C
ALER
4.
SC
ALER
RI
N
G
NDR
GI
N
G
NDG
BI
N
G
NDB
HS
Y
N
C
VS
Y
N
C
D
DCA
_
S
D
A
D
DCA
_
S
C
L
DV
I_
S
C
L
DV
I_
S
D
A
H
D
M
I2_D
2+
H
D
M
I2_D
2-
H
D
M
I2_D
1+
H
D
M
I2_D
1-
H
D
M
I2_D
0+
H
D
M
I2_D
0-
H
D
M
I2_C
K+
H
D
M
I2_C
K-
DE
T
_
V
G
A
I
DE
T
_
D
V
II
D
DC_
WP
H
D
M
I1_D
2+
H
D
M
I1_D
2-
H
D
M
I1_D
1+
H
D
M
I1_D
1-
H
D
M
I1_D
0+
H
D
M
I1_C
K+
H
D
M
I1_C
K-
H
D
M
I1_D
0-
H
D
M
I1_S
D
A
H
D
M
I1_S
C
L
D
E
T
_
HDM
I1
C
E
C_
CT
R
L
H
D
M
I1_H
PD
D
DC_
WP
Mu
te
AOU
T
_L
AOU
T
_R
AI
N
_
R
AI
N
_
L
on_Pa
n
el
on_
BAC
KLI
G
H
T
Adj_
BAC
KLI
G
H
T
PAN
EL_
ID
#
Audio_
EN
Mu
te
VC
C
3
.3
VC
C
1
.8
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
DV
I_
H
P
D
DV
I5
V
HDM
I1
_
+
5
V
+
5
V_
SB
LT
-S
D
A
LT
-S
C
L
Audio_
SD
0
3
.H
DM
I1
3.
H
D
M
I1
HD
M
I1
_
+
5
V
H
D
M
I1_D
2+
H
D
M
I1_D
2-
H
D
M
I1_D
1+
H
D
M
I1_D
1-
H
D
M
I1_D
0+
H
D
M
I1_D
0-
HD
M
I1
_
C
K
+
HD
M
I1
_
CK
-
HD
M
I1
_
S
DA
HD
M
I1
_
S
C
L
D
E
T
_
HDM
I1
C
E
C_
CT
R
L
HD
M
I1
_
H
P
D
DDC_
W
P
+
5
V_SB
+
5
V_SB
DV
I5
V
+
5
V_SB
VLC
D
+
5
V_SB
+5
V
_
S
B
VC
C
3
.3
V
CC1
.8
HDM
I1
_
+
5
V
VC
C
1
.8
V
CC3
.3
VLC
D
+5
V
_
S
B
H
D
M
I1_+
5V
DV
I5
V