Acer MB243WABNS service manual ACERLCDG24SCHEMATICSINTERFACEBDHDMI and DVI Input

8.6 ACER_LCD_G24_SCHEMATICS_INTERFACE_BD_HDMI AND DVI INPUT

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ACER G24 40

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P305

27

RX2- 1

32 RX2+ 2

GND 3

DVI_RX2- DVI_RX2+

A

B

31 RX4- 4

RX4+ 5

SCL 6

SDA 7

VS 8

RX1- 9

RX1+ 10

GND 11

RX3- 12

RX3+ 13

5V 14

GND 15

HP 16

RX0- 17

RX0+ 18

GND 19

RX5- 20

RX5+ 21

GND 22

RXC+ 23

RXC- 24

RED C1

30 GRN C2

BLU C3

DVI_RX1-

DVI_RX1+

TP172

+5V_DVI

R3981K

DVI_RX0-

DVI_RX0+

DVI_RXC+

DVI_RXC-

DDC_SCL_D1

DDC_SDA_D1

	D328 NC		D329 MMSZ5232B		D330 NC		D331 MMSZ5232B
GND		GND		GND		GND

						TP173
				+5V_EDID
	D326	MM4148					D327	XMM4148
+5V_DVI									+5V
C362
0.1u			R394	R395
				4.7K
			4.7K
									C360
	GND
							I313		1u
4 DDC_WP						8	VCC	A0	1
				DDC_WP		7			2
							WP	A1
DDC_SCL_D1	R397	100				6			3
							SCL	A2
DDC_SDA_D1	R399	100				5			4
							SDA	VSS
				D332 MMSZ5232B	TP182	TP183	24LC02B
									GND
		C363	C364
		47p	47p

A

B

C

29HS C4

GND C5

28

DVI-D

GND

DVI

Connector

TP189

GND

TP451

C486

0.1u

	R400	4.7K	DVI_DET 3
D333	MMSZ5232B	+3V3
		R517
GND		47K
	TP190		TP454
R401	100			HP_DET_DVI 3
		MMBT3904
		Q323		TP476

R383

4.7K

+5V

TP148

D315 MMSZ5232B

GND

GND

D316

D317

D318

D319

D320

D321

D322

D323

BAV99

BAV99

BAV99

BAV99

BAV99

BAV99

BAV99

BAV99

C345

C346

C347

C348

C349

C350

C351

DVI_RX2-

0.1u

DVI_RX2+

0.1u

DVI_RX1-

0.1u

DVI_RX1+

0.1u

DVI_RX0-

0.1u

DVI_RX0+

0.1u

DVI_RXC+

0.1u

DVI_RXC-

GND

C352

0.1u

C

GND

D

+5V	D340	XMM4148
			TP485				+5V_EDID
+5V_HDMI D342		MM4148
							C495
		R532	R533				1u
		47K	47K		I321
				8	VCC	A0	1
DDC_SCL_D			DDC_WP	7			2
					WP	A1
	R531	100R		6			3
					SCL	A2
DDC_SDA_D				5			4
					SDA	VSS
	R530	100R
		C498	C499		24LC02B
							GND

+3V3	+3V3HDSW
	FB343
	PBY201209T-300Y-S
	C515	C516	C517	C518	C519	C520	C521	C522
	22uF/50V	0.1u	0.1u	0.1u	0.1u	0.1u	0.1u	0.1u
	GND
		I322

D

E

F

P311

+5V CEC/DDC GND DDC SCL DDC SDA HPD CEC

Dat2 shield Dat1 shield Dat0 shield clk shield

DAT0+

DAT0-

DAT1+

DAT1-

DAT2+

DAT2-

clk+ clk-

GND1

GND2

18

17

15

16

19

13

2

5

8

11

7

9

4

6

1

3

10

12

20

21

TP482

+5V_HDMI

D341

MMSZ5232B

C496

R534

0.1u

1K

TP481

R437

100

HPD_I

GND

GND

DDC_SCL_D

DDC_SDA_D

HPD_I

DDC_SDA_D

C497

DDC_SCL_D

0.1uF

GND

HDMI_RXC-

HDMI_RX0+

HDMI_RX0-

HDMI_RX1+

HDMI_RX1-

HDMI_RXC+

HDMI_RX2+

HDMI_RX2-

HDMI_RX0-

HDMI_RXC+

HDMI_RXC-

HDMI_RX0+

HDMI_RX1-

HDMI_RX1+

X27p

X27p

D347 MMSZ5232B

TP483

TP484

+3V3

GND

R555

47K

TP486

TP487

HP_DET_HDMI 6

MMBT3904

Q329

I328

I325

CM2021

PCA9515ADP

20

HOTPLUG_DET_OUT

HOTPLUG_DET_IN

19

DDC_SDA_D

21

18

6

SDA1

DDC_DAT_OUT

DDC_DAT_IN

22

DDC_CLK_OUT

DDC_CLK_IN

17

DDC_SCL_D

7

SCL1

23

CEC_OUT

CE_REMOTE_IN

16

1

NC

24

15

HDMI_RXC-

TMDS_CLK-O

TMDS_CLK-

25

TMDS_GND5

TMDS_GND4

14

HDMI_RXC+

26

TMDS_CLK+O

TMDS_CLK+

13

27

12

HDMI_RX0-

TMDS_D0-O

TMDS_D0-

28

TMDS_GND6

TMDS_GND3

11

HDMI_RX0+

29

TMDS_D0+O

TMDS_D0+

10

30

9

HDMI_RX1-

TMDS_D1-O

TMDC_D1-

31

TMDS_GND7

TMDS_GND2

8

HDMI_RX1+

32

7

TMDC_D1+O

TMDC_D1+

+3V3
					C500
					1u
8
			GND
	VCC	SDA0		3		DDC_SDA_D2
						R535	4.7K
		SCL0		2		DDC_SCL_D2
	GND					R536	4.7K
		EN
				5
4
GND

DVI_RX2+	48
DVI_RX2-	47
DVI_RX1+	43
DVI_RX1-	42
DVI_RX0+	37
DVI_RX0-	36
DVI_RXC+	32
DVI_RXC-	31
HDMI_RX2+	46
HDMI_RX2-	45
HDMI_RX1+	41
HDMI_RX1-	40
HDMI_RX0+	35
HDMI_RX0-	34
HDMI_RXC+	30
HDMI_RXC-	29

DDC_SCL_D122

DDC_SDA_D123

DDC_SCL_D225

DDC_SDA_D226

+5V

+3V3HDSW

4

10

18

27

38

50

56

1

6

9

13

16

21

24

28

33

39

44

49

0B1	A0
1B1	A1
2B1
3B1
4B1
5B1	A2
6B1	A3
7B1
0B2
1B2	A4
2B2	A5
3B2
4B2
5B2
6B2	A6
7B2	A7
8B1
9B1	A8
8B2	A9
9B2
VCC
VCC
VCC
VCC
VCC
VCC
VCC
GND
GND
GND
GND	SEL
GND
GND
GND
GND	NC1
GND	NC2
GND	NC3
GND	NC4
GND

2			RX2+ 6
3
			RX2- 6
7			RX1+ 6
8
			RX1- 6
11			RX0+ 6
12
			RX0- 6
14			RXC+ 6
15
			RXC- 6
19	R528	100	DVI_SCL 3,6
20	R529	100
			DVI_SDA 3,6
TP490	TP491

17 DVI_HDMI_SW 3

0:DVI INPUT , 1:HDMI INPUT

5

51

52DVI_HDMI_SW=1, the voltage

54level must <=3.3V & >2V

E

F

HDMI CONNECTOR GND HDMI_RX2-

HDMI_RX2+

33	TMDS_D2-O	TMDS_D2-	6	HDMI_RX2-
34	TMDS_GND8	TMDS_GND1	5
				HDMI_RX2+
35			4
	TMDS_D2+O	TMDS_D2+

53

55

GND GND

G

GNDGNDA

P.S. GND, GNDA must be connected.

36			GND2	GND1	3
	37		ESD_BYP	LV_ SUPPLY	2
	38				1
			NC9	5V SUPPLY
							+5V_EDID
		C525				C526
		0.1uF				1uF

GND

TS3DV520RHUR

G

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PCB No. 6832194600P0