AOC M19W531, Service Manual

Page: 19 / 68

LCD Color Monitor AOC M19W53
19
DVI_CAB
AU_12V
VS_RGB
B_TX0-
AD
J_
PW
M
HS_RGB
+5VUSB
MIC
MSCL-3.3
+A
V
DD_
DV
I
TV_AUDIOR
ON_PBACK
WR
Pa
nel_Po
w
e
WE
4.2 Electric Block Diagram
4.2.1 Main Board
r
AUDIO1_L
SCA_PWR
ALL-RST
04 VIDEO Decoder
04 VIDEO Decoder
MSDA-3.3
MSCL-3.3
VLLC
VVS
VHS
VD[0..7]
ALL-RST
Y+
Pb+
Pr+
A
UDI
O
1_
L
A
UDI
O
1_
R
VD_5V
TV
_A
UDI
O
L
TV
_A
UDI
O
R
SWITCH
TUNER_12V
MSCL-5
MSDA-5
RIN-
TXCLK-
TXCLK+
R_TX2-
WP_DDC
MCU5V
MSDA-5
+3.3V
AIR_PWR
RAS
G_TX1+
SDA_DVI
SDA_DVI
MIC
MSDA-3.3
VLLC
+A
V
DD_
A
D
C
ALL-RST
Pr+
AIR_PWR
GIN-
BIN-
+5V
10 USB
10 USB
+5VUSB
B
luet
oo
th
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
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
INT
SWITCH
06 Memory
06 Memory
MDATA[0..31]
MADR[0..10]
CKE
DQM[0..1]
SBA
RAS
CAS
WE
MCLK
+3.3V
TV_AUDIOL
MSCL-3.3
SCA_PWR
HPD_CTL
RIN+
VHS
+A
V
DD_
P
LL
SCL_DVI
+V
DDP
WP_DDC
HWRESET
TUNER_12V
MSCL-5
SDA_VGA
Pb+
+A
V
D
D
_P
LL
2
DDC_SW
ON_PBACK
MCU5V
+5V
VD_PWR
ALE
SWITCH
AD[0..3]
MSDA-3.3
AU_PWR
R_TX2+
02 Power
02 Power
+V
D
D
C
+V
DDP
+V
DDM
+A
V
DD_
P
LL
2
+A
V
D
D
_P
LL
+A
V
DD_
MP
LL
+A
V
D
D
_D
V
I
+A
V
D
D
_A
D
C
AD
J_
PW
M
MCU5V
ON_PBACK
AU_12V
VD_5V
Pan
el_Pow
er
+3.3V
+5V
+5VUSB
VD_PWR
AU_PWR
SCA_PWR
AIR_PWR
ON_PANEL
TUNER_12V
CKE
+A
V
DD_
M
P
LL
MSDA-3.3
+3.3V
+V
DDC
+5V
VVS
ON_PANEL
BIN+
TUNER_12V
MSDA-5
SCL_VGA
09 Audio AMP
09 Audio AMP
A_L
A_R
AU_12V
SOG
A_R
SDA_VGA
AUDIO1_R
DVI_+5V
AU_PWR
MCLK
SBA
AU_12V
CAS
VD_5V
05 MST51512
05 MST51512
B_TX0+
B_TX0-
G_TX1-
G_TX1+
R_TX2+
R_TX2-
TXCLK+
TXCLK-
SDA_DVI
SCL_DVI
RIN+
+A
V
DD_
A
D
C
+A
V
D
D
_D
V
I
+A
V
DD_
MP
LL
+A
V
D
D
_P
LL
+A
V
DD_
P
LL
2
+V
DDM
+V
DDP
+V
DDC
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
anel_P
ow
er
DDC_SW
HPD_CTL
VD_PWR
MSCL-3.3
Y+
DVI_+5V
VD[0..7]
AU_12V
MDATA[0..31]
MADR[0..10]
GIN+
MSCL-5
A_L
B_TX0+
SCL_VGA
DQM[0..1]
ON_PANEL
DVI_CAB
DDC_SW
G_TX1-
SCL_DVI RD
VD_5V
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
Bluet
oot
h
+V
DDM
19"