Acer B243W manual For HDCP, Audiomute, Audiostdby Hi, Connect, Key Pad, Revc

VCPU +5V VCPU

R482

R483

R484

+5V

4K7 1/10W 5%

0R05 1/10W 5%

0R05 1/10W 5%

REV:C

R485

4K7 1/10W 5%

VCPU

R486

4K7 1/10W 5%

U406

NC CN403

C481

R722

R487

4K7 1/10W 5%

REV:C

3

1

RESET

1

VCCGND

0.1uF

0R05 1/10W 5%

2

HDCP_WP

VCPU

R489R490R491R492R493R494R495R496

RESET

2

3

R488

220R 1/10W

HWRESET

3 HPD_CTRL

C482

D427

C480

4

R497

220R 1/10W

MSCL

22uF 16V

UDZS5.6B

NC

MAX810STRG

5

R498

220R 1/10W

MSDA

2 PS_ON/OFF

C483

0.1uF

C484

22pF

35

44

5%

5%

5%

5%

5%

5%

5%

5%

1

U407

CONN

VCPU

27

2

4K71/10W

4K71/10W

4K71/10W

4K71/10W

4K71/10W

4K71/10W

4K71/10W

1/10W

AD0

X2

P7.0/HBLANK

P4.2/AD2

VDD

P1.1/DA0

VSYNC/P1.6

P6.3

P1.0/ET2

3

AD1

X402

21

X1

P1.2/DA1

4

4K7

AD2

AD[0..3] 4

C485

24mhz

5

AD3

10uF/10V

P1.3/DA2

7

ALE

ALE 4

HSYNC/P1.5

20

8

HDCP_SCL

C486

22pF

P1.7/SOGI

9

HDCP_SDA

43

HWRESET

HWRESET 4

VCPU

RESET

10

P5.0

RST

VCPU

23

LEFT_KEY

P4.0/AD0

R501

R499

NC

34

SOURCE_KEY

R500

4K7 1/10W 5%

VCPU

2

P4.1/AD1

4 INT

INT

14

P3.2/INT0

25

POWER_KEY

R502

4K7 1/10W 5%

P6.1

VCPU

17

26

MENU_KEY

R503

4K7 1/10W 5%

10K 1/10W 5% 2 USB_CTRL

ISCL/P7.5

P6.2

MSCL

15

28

RIGHT_KEY

R504

4K7 1/10W 5%

MSDA

16

P3.3/INT1

P6.4

29

AUTO_KEY

R505

4K7 1/10W 5%

ISDA/P3.4

P6.5

30

BKLT-EN 2

P6.6

VCPU

42

31

3 DVI_CONNECT_MCU

P5.1

P6.7

PANEL_EN

2

R506

R508

41

3 VGA_CONNECT_MCU

P5.2

C487

4K7 1/10W 5%

4K7 1/10W 5%

LED_R

6

P6.0/CLKO1

24

AUDIO_STDBY

P1.4/DA3

0.22uF

R507

40

P5.3

4K7 1/10W 5%

3 DDC_WP

39

32

RD

RD

4

P5.4

P7.2/HCLAMP

U408

WP

38

33

WR

P5.5

P7.1/VBLANK

WR

4

1

A0

VCC

8

VCPU

R509

4K7 1/10W 5%

37

13

R510

22R 1/10W 5%

TX_SDA

3

P5.6

HSDA1/TXD/P3.1

2

7

R511

100R 1/10W 5%

WP

R512

4K7 1/10W 5%

LED_G

36

11

R513

22R 1/10W 5%

A1

WP

P5.7

HSCL1/RXD/P3.0

RX_SCL 3

3

6

R514

100R 1/10W 5%

MSCL

R515

4K7 1/10W 5%

A2

SCL

4

5

R516

100R 1/10W 5%

MSDA

R517

4K7 1/10W 5%

VSS

18

R518

22R 1/10W 5%

DVI_SDA 3

GND

SDA

HSDA2/P7.4

R519

4K7 1/10W 5%

12

19

R520

22R 1/10W 5%

P4.3/AD3

HSCL2/P7.3

DVI_SCL

3

M24C16

R724

4K7 1/10W 5%

REV:C

22

MTV416GMV

+12V

+5V

+12V

2

+5V

FB415

NC

+5V

CN404

1

2

+5V

2,3

R523

R521

R522

FB416

NC

NC

NC

1

2

1

2

3

4

NC

R524

R525

5

6

STANDBY

NC

AUDIO_STDBY

NC

VOL

7

8

MUTE

REV:C

NC

AUDIO_MUTE 4

9

10

R527

Q407

OUT_L+

11

12

OUT_R+

C496

R526

VCPU

4 VOLUME

OUT_L-

13

14

OUT_R-

NC

POWER ON

POWER SAVING/OFF

C488

NC

NC

C489

AUDIO_MUTE

LOW

HI

0.22uF

NC

NC

1	U409		8				AUDIO	AUDIO_STDBY HI	LOW
2	A0	VCC	7	R528	100R 1/10W 5%	HDCP_WP	CONNECT
	A1	WP
3			6	R529	100R 1/10W 5%	HDCP_SCL
	A2	SCL
4			5	R530	100R 1/10W 5%	HDCP_SDA
	GND	SDA

CAT24WC08W

For HDCP

CN405

VCPU

1

VCPU

5%

5%

1%

1%

2

1/10W

1/10W

1/10W

1/10W

4

3

5

4K7

4K7

4K7

4K7

R533R534R535

R536

6

R531

R532

470R 1/10W 5%

CONN

KEY PAD

560R 1/10W 5%

1/10W5%

1/10W5%

1/10W5%

4K7 1/10W 5%

R537

R538

R539

R540

R541

2N3906S-RTK/PS

CONNECT

Q408

R542

LED_G

CN406

4K7 1/10W 5%

LED_R

Q409

4K7

4K7

4K7

4K7 1/10W 5%

LED_GREEN

13

14

LED_ORANGE

2N3906S-RTK/PS

AUTO_KEY

R543

220R 1/10W

R544

220R 1/10W

MENU_KEY

11

12

RIGHT_KEY

R545

220R 1/10W

9

10

R546

220R 1/10W

LEFT_KEY

POWER_KEY

R547

220R 1/10W

7

8

R548

220R 1/10W

SOURCE_KEY

5

6

REV:C

OUT_L+

3

4

OUT_R+

C493

C494

C495

OUT_L-

1

2

OUT_R-

D428

D430

C490

C491

C492

0.001uF

REV:C

UDZS5.6B

0.001uF

UDZS5.6B

D429

0.001uF

0.001uF

0.001uF

0.001uF

D431

D432

D433

CONN

UDZS5.6B

UDZS5.6B

UDZS5.6B

UDZS5.6B

49