Asus VW223 Series, Service Manual

Page: 19 / 108

Service Manual ASUS VW223
19
5 . Schematic Diagram
TOP
DVI_5V
01_VGA
01_V GA
V
G
A
_
SCL
R
I+
V
S
IN
B
I+
V
G
A
_
SDA
G
I+
HS
IN
V18S
VGA_5V
GND_POWER
+5V
RX
1+
RX
0+
DVI_HPD
RX
2+
RX
0-
RX
1-
RX
2-
RXC+ RXC- DV
I_
SDA
DV
I_
SCL
B
I+
R
I+
G
I+
V
S
IN
H
S
IN
V
G
A
_
S
CL
V
G
A
_
S
DA
DVI_5V VGA_5V
V18S
02_DVI
02_DV I
RX
1+
RXC-
R
X
2-
RX
0+
R
X
1-
DV
I_
SDA
R
X
0-
RXC+
RX
2+
DV
I_
SCL
DVI_HPD
DVI_5V
GND_POWER
+5V
VGA_5V
+5V
+5V
GND_POWER GND_POWER
GND_POWER
B
_
D
[0
..
1
9]
F_
D
[0
..
1
9]
INV
_
ON
/O
FF
INV
_
A
DJ
P
W
R
_
SW
AU
T
O
_
A
DJ
S
O
U
R
C
E
_
S
E
L
ECT
L
E
D
_
GRN
L
E
D
_
ORG
P
A
N
E
L
_
ON
M
ENU
K
E
Y
_
D
O
WN
K
E
Y
_
UP
GND_POWER
SPK_L+
SPK_R+
SPK_L-
SPK_R-
RTD_SDIO3
RESET_MCU
RTD_SCSB
Y OUT
RTD_SCLK
M
U
TE
V
O
L
_
P
WM
A
M
P
_
S
H
DN
V
C
M
_
P
WM
B
S
T
HI
OE C
KV
STV P
OL
F
S
T
HI
S
TB
G
V
ON
V18S
V33S
+5V
V18S
V33S VGA_SCL
VGA_SDA
DVI_SCL
DVI_SDA
GND_POWER
GND_POWER
+5V +5V
04_SCALER
04_SCAL ER
Y OUT
RTD_SDIO3
V
C
M
_
P
WM
OE
C
KV
S
TV
P
OL
S
TB
F
S
T
HI
B
S
T
HI
RESET_MCU
V33S
RTD_SCSB
RTD_SCLK
R
X
1+
B
_
D
[0
..
1
9]
F_
D
[0
..
1
9]
G
V
ON
V
G
A
_
SCL
R
X
2-
R
X
C-
R
X
0+
R
I+
R
X
1-
D
V
I_
SDA
B
I+
VS
IN
R
X
0-
V
G
A
_
SDA
V18S
G
I+
D
V
I_
SCL
R
X
2+
R
X
C+
H
S
IN
GND_POWER
05_AUDIO
05_AUDIO
A
M
P
_
S
H
DN
V
O
L
_
P
WM
SPK_L+
SPK_L-
SPK_R+
SPK_R-
M
U
TE
+5V
GND_POWER
06_INTERFACE
06_INT ERFACE
INV
_
ON
/O
FF
INV
_
ADJ
M
ENU
K
E
Y
_
D
O
WN
K
E
Y
_
UP
S
OU
R
CE
_
S
E
L
ECT
P
W
R
_
SW
A
U
T
O
_
A
DJ
L
E
D
_
ORG
L
E
D
_
GRN
V33S
B
ST
HI
FST
HI
V
C
M
_
P
WM
OE CKV S
TV
P
OL
S
TB
SPK_L+
SPK_L-
B
_
D
[0
..
1
9]
V18S
F
_
D
[0
..
1
9]
+5V SPK_R+
P
ANE
L_
ON
SPK_R-
G
V
ON
GND_POWER
03_MCU
03_M CU
RTD_SDIO3
RTD_SCSB
RTD_SCLK
M
ENU
K
E
Y
_
D
O
WN
K
EY
_
UP
S
OU
R
CE
_
S
E
L
ECT
AU
T
O
_
ADJ
P
W
R
_
SW
Y OUT
L
E
D
_
GRN
L
E
D
_
ORG
INV
_
ON
/O
FF
M
U
TE
RESET_MCU
VGA_SCL
IN
V
_
ADJ
DVI_SDA
A
M
P
_
SH
DN
VGA_SDA
DVI_SCL
P
A
N
E
L
_
ON
V
O
L
_
P
WM
D
V
I_
H
PD
DVI_5V
+5V
VGA_5V
GND_POWER