AOC LM522 Schematic

5

4

3

2

1

D D

MST8031/8131 SCHEMATIC

B1

TXD
RXD

DDC_DAT

ST_DET1 HSYNC
ST_DET2

C C

GNDR
GNDG

SOGDDC_CLK

BIN

GNDB

VSYNC

CLK+
CLK-

RIN
GIN

R+
R-

G+

G-

B+

B-

B2

RIN
GNDR
GIN

GNDG

SOG

BIN

GNDB

HSYNC

VSYNC

R+
R-

G+

G-

B+

B­CLK+
CLK-

VCC2.5

VCC3.3

VAA1

VAA2
VAA3
VAA4

VAA1

VCC3.3

VCC2.5 VAA4

VAA2

VAA3

3.INPUT

B3

ST_DET2

ST_DET1
DDC_CLK

VCC5V

VCC12VVCPU

B B

VCPU

VCC12V

VCC3.3
VCC2.5
VAA1

VAA2

VAA3

VAA4

VCC5V

A A

DDC_DAT
RXD

TXD

VCC5V
VCC12V

VCPU

onPANEL_5V/3.3V

onBACKLITE

6.MCU

B4

onBACKLITE

onPanel_5V/3.3V
VCPU
VCC12V
VCC3.3
VCC2.5

VAA1

VAA2
VAA3

VAA4
VCC5V

2.POWER

5

SDA

HWRESET

AD2

Volume

AdjBACKLITE

VLCD

CSZ
SCL

INT
AD0

AD1
AD3

CSZ

SCL
SDA
HWRESET

INT

AD0

AD1
AD2
AD3

Volume

PA[0..9]

PB[0..9]

PA[0..9]

PB[0..9]

B5

PA[0..9]

VLCD

PB[0..9]

VLCD

5.PANEL INTERFACE

VLCD

4

AdjBACKLITE

4.SCALER

Title

Size Document Number Rev

B

3

2

Date: Sheet

MST8031 / MST8131 for AOC

TOP

16Wednesday, April 14, 2004

1

of

D

5

4

3

2

1

VCC5V

VCC12V

C205

0.1uF

VCC12V 6

VCC5V+
VCC5V
VCC5V 3,4,6

VCPU

VCPU 6

C201

0.1uF

D D

VCC12V
VCC5V

C C

AdjBACKLITE4

Brightness

R205 4.7K 1/16W

CN201

GND

1

GND DIM

3
5
7
9

GND

11

CONN

VCC5V

1

2
4
6
8
10
12

R203
1K 1/16W

32

Q202

PMBS3904

ON_OFF
VCC12V

GNDGND
VCC5V

GND

R204

10K 1/16W

C202

220uF/25V

C206
1uF/25V

R201 4.7K 1/16W

D201 SS14

FB201
600 OHM

C203

+

0.1uF

C204

+

220uF/25V

R202
10K 1/16W

32

1

Q201
PMBS3904

R212 4.7K 1/16W

C

BE

onBACKLITE 6

VCC5V+

C

BE

C214

0.1uF

B B

VCC5V+

TO-263

U202
AIC1084-33M

3

VIN

1

ADJ

D202

GS1D

C210

0.1uF

VOUT

SOT-252

U201
RT9164

3 2

VI VO

2

C215

47uF/16V

VCC2.5

VCC2.5 4

C211

GND

1

+

+

47uF/16V

VCC3.3

C216

0.1uF

C212

0.1uF

VCC3.3 4

VAA1

VAA1 4

VAA2

VAA2 4

VAA3

VAA3 4

VAA4

VAA4 4

NEW
Circuit

C217

0.068uF

VLCDVCC5V

Q203
AO3401

+

C208
100uF/16V

VLCD 5

VCC5V VCC3.3

R209

0 1/16W

R211
10K 1/16W

3

R210
NC

VCC12V

R213
NC

Title

Size Document Number Rev

B

2

Date: Sheet

MST8031/ MST8131 for AOC

POWER

26Friday, November 26, 2004

1

of

D

VCC5V

R206
10K 1/16W

A A

onPanel_5V/3.3V6

5

R207

4.7K 1/16W

R214 delete

R216

4.7K 1/16W

C207

0.1uF

R208
10K 1/16W

R215

32

Q204

1

PMBS3904

4

100K 1/16W