AOC 198PW, Service Manual

Page: 37 / 80

19” LCD TV AOC 198PW
37
7. Schematic Diagram
7.1 Main Board
<Doc> <Rev Code>
<Title>
A3
1 10 Thursday , December 07, 2006
Title
Size Document Number Rev
Date: Sheet of
VD_PWR
WP_DDC
BIN-
CKE
MIC
ALL-RST
AD[0..3]
SDA_DVI
AU_PWR
+V
D
D
M
SWITCH
DDC_SW
MSDA-3.3
SCA_PWR RIN-
RAS
A_L
Pan
el_
Pow
er
SCA_PWR
GIN+
WR
02 Power
02 Power
+V
D
D
C
+V
D
D
P
+V
DDM
+
AVD
D
_
PLL
2
+
AVD
D
_P
LL
+
AVD
D
_
M
P
L
L
+
A
V
D
D_
DV
I
+
AVD
D
_A
D
C
AD
J
_P
W
M
MCU5V
ON_PBACK
AU_12V
VD_5V
P
ane
l_Po
w
er
+3.3V
+5V
+5VUSB
VD_PWR
AU_PWR
SCA_PWR
AIR_PWR
ON_PANEL
TUNER_12V
+5V
ON_PANEL
09 Audio AMP
09 Audio AMP
A_L
A_R
AU_12V
+V
D
D
P
SCL_DVI
VD[0..7]
+3.3V
06 Memory
06 Memory
MDATA[0..31]
MADR[0..10]
CKE
DQM[0..1]
SBA
RAS
CAS
WE
MCLK
+3.3V
VD_5V
G_TX1+
SDA_VGA
WP_DDC
VHS
G_TX1-
MSDA-5
+V
D
D
C
07 MCU
07 MCU
HWRESET
ALE
RD
WR
INT
AD[0..3]
DVI_+5V
MCU5V
DVI_CAB
MSDA-3.3
MSCL-3.3
SCL_DVI
SDA_DVI
SWITCH
WP_DDC
SDA_VGA
SCL_VGA
ALL-RST
ON_PBACK
ON_PANEL
VD_PWR
AU_PWR
SCA_PWR
AIR_PWR
MIC
Bl
ue
toot
h
B_TX0+
AU_12V
MDATA[0..31]
ON_PBACK
INT
Y+
SCL_DVI
MADR[0..10]
DVI_+5V
MSDA-3.3
AU_PWR
TUNER_12V
MSDA-5
RD
WE
AU_12V
+5V
HPD_CTL
DDC_SW
MSCL-3.3
DQM[0..1]
05 MST51512
05 MST51512
B_TX0+
B_TX0-
G_TX1-
G_TX1+
R_TX2+
R_TX2-
TXCLK+
TXCLK-
SDA_DVI
SCL_DVI
RIN+
+A
VD
D
_AD
C
+A
V
DD_
DV
I
+
AVD
D
_
M
P
L
L
+AVD
D
_PL
L
+AVD
D
_PL
L2
+V
DDM
+V
D
D
P
+V
D
D
C
RIN-
GIN-
BIN-
BIN+
GIN+
SOG
HS_RGB
VS_RGB
Y+
Pb+
Pr+
VLLC
VVS
VHS
VD[0..7]
HWRESET
INT
ALE
RD
WR
AD[0..3]
MDATA[0..31]
MADR[0..10]
CKE
SBA
DQM[0..1]
RAS
CAS
WE
MCLK
AD
J_
PW
M
P
ane
l_Po
w
er
DDC_SW
HPD_CTL
MIC
+A
VD
D
_PL
L2
Pb+
SDA_DVI
VD_PWR
VVS
+AVD
D
_PL
L
ON_PANEL
SBA
RIN+
CAS
MCU5V
+A
V
DD_
DV
I
A_R
TXCLK-
VS_RGB
TV_AUDIOL
ALE
SCL_VGA
MSDA-3.3
TUNER_12V
R_TX2-
+A
V
DD_
M
P
LL
SWITCH
AU_12V
AD
J
_PW
M
SCL_VGA
BIN+
10 USB
10 USB
+5VUSB
Blue
to
o
th
VD_5V
AIR_PWR
B_TX0-
AUDIO1_L
SOG
MSCL-5
+AVD
D
_AD
C
TV_AUDIOR
TXCLK+
08 Sound Processor
08 Sound Processor
A_L
A_R
MSDA-3.3
MSCL-3.3
AUDIO1_L
AUDIO1_R
TV_AUDIOR
TV_AUDIOL
AU_12V
MIC
MSDA-5
MSCL-5
+5V
ALL-RST
ON_PBACK
AIR_PWR
AUDIO1_R
DVI_CAB
DVI_CAB
DVI_+5V
GIN-
MSCL-5
MSCL-3.3
R_TX2+
HS_RGB
VLLC
SDA_VGA
MCU5V
MCLK
04 VIDEO Decoder
04 VIDEO Decoder
MSDA-3.3
MSCL-3.3
VLLC
VVS
VHS
VD[0..7]
ALL-RST
Y+
Pb+
Pr+
A
UDIO
1_
L
A
U
D
IO
1_R
VD_5V
TV
_A
U
D
IO
L
TV
_A
U
D
IO
R
SWITCH
TUNER_12V
MSCL-5
MSDA-5
+3.3V
+5VUSB
HWRESET
Pr+
MSCL-3.3
03 DVI
03 DVI
B_TX0+
B_TX0-
G_TX1-
G_TX1+
R_TX2+
R_TX2-
TXCLK+
TXCLK-
SDA_DVI
SCL_DVI
DVI_CAB
+5V
DVI_+5V
RIN+
RIN-
BIN-
GIN-
GIN+
BIN+
SOG
HS_RGB
VS_RGB
DDC_SW
HPD_CTL
SCL_VGA
SDA_VGA
DDC_SW
WP_DDC
+5V