Samsung 203B service manual Schematic Diagrams1

9 Schematic Diagrams

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9-1 Schematic Diagrams(1)

9 Schematic Diagrams

CN102

C118

16V

C110

16V

C119

16V

C111

16V

C112

16V

C113

16V

C114

16V

C115

16V

C116

16V

C117

16V

MGND1

100nF

100nF

100nF

100nF

100nF

100nF

100nF

100nF

100nF

100nF

+3.3V_ESD

1

1

Rx2

9

1

Rx1

17

1

Rx0

2

1

Rx2+

10

1

Rx1+

C103

C105

18

1

Rx0+

2

1

2

1

2

1

2

1

2

1

2

1

2

1

2

1

2

1

2

1

1nF

100nF

3

50V

16V

11

19

1

DGND

4

1

DGND

3

3

3

3

3

3

3

3

3

3

12

20

D100

D108

D101

D110

D102

D103

D104

D105

D106

D107

MMBD4148SE

DGND

5

MMBD4148SE

MMBD4148SE

MMBD4148SE

MMBD4148SE

MMBD4148SE

MMBD4148SE

MMBD4148SE

MMBD4148SE

MMBD4148SE

R100

22ohm

13

Rx2+

21

DEFAULT_NET_TYPE

R101

XREF

22ohm

6

1

DVI_SCL

Rx2-

14

1

DVI+5V

R102

XREF

22

22ohm

Rx1+

7

1

DVI_SDA

XREF

R103

15

1

CHK_DVI

22ohm

Rx1-

23

1

RxC+

XREF

R104

8

22ohm

Rx0+

16

1

HPD

XREF

24

1

RxC

R105

22ohm

Rx0-

R106

XREF

MGND2

22ohm

RxC+

R107

XREF

22ohm

RxC-

XREF

To IP Board

CN600

1

MGND1

2

3

4

5

6

7

8

9

MGND2

+14V_INV +13V_IN +5V_IN

			Mendell ANION OPTION
								BD303		BD304	BD306
			BD600	C603	C602	C601	-		-		-
		-
				100nF	10uF	10uF
					10V	10V
1	BL_ADJ_PWM										XREF
	1	U648						U649
								1
			BD302				-	BD305
			-
1
+5V
											XREF

1	BL_ADJ_ANALOG
		XREF
1	BL_EN

R604

R610 C607 100ohm

1Kohm 470nF 1/10W

1/10W 16V

IP Board connection

Mendell only

BD305,BD306

203B only BD301,BD302,BD303,BD304

BL_ADJ_PWM

BL_ADJ_ANALOG

BL_EN

					+5V_IN
DGND
				R108
		R109		10Kohm
				1/10W
		2Kohm
										XREF	CHK_DVI
R110				D220			C106
510ohm	D109			UDZS5.6B-TE-17			100nF
1/10W	UDZS5.6B-TE-17						16V
									DGND	AGND
			R220	R221
			10Kohm	10Kohm		IC202
			1/10W	1/10W		AT24C02N-10SC
		R222	100ohm		5	SDA	VSS	4	C220
						SCL	E2		100nF
		R223	100ohm		6	MODE,/WC		3	16V
					7		E1	2
					8	VCC	E0	1
					1				TP1527
								1
					TP1526
DGND	D221	DGND						DGND
	MMQA5V6T3				1 DEFAULT_NET_TYPE XREF
									EDID_PROTECT_D
				1	R224		22ohm	XREF
				1	R225		22ohm	XREF	SCL_DDC_D

203B only

	2	1
	IC302				-	BD301
				C317
	MP1583DN
				47nF
1	BS	SS	8	25V
2			7
	MGND1
3	IN	EN	6
	SW	COMP
4			5
	GND	FB
C314
100uF
25V
+3.3V_VDD	+3.3V_ESD					+3.3V_DVDD

SDA_DDC_D

1

BD601	TP1545
	SUPLVAL	Close to respective power pins
	-

+5V_IN

AGND

1

Q201

E

KSC1623-Y

D230

C

B

XREF

EDID_PROTECT

UDZS5.6B-TE-17

XREF

EDID_PROTECT_D

R230

10Kohm

D231

1/10W

UDZS5.6B-TE-17

TP1528

1

D232

1

IC203

R231

R232

MMQA5V6T3

C230

AT24C02N-10SC

10Kohm

10Kohm

+5V_IN

100nF

1

8

E0

VCC

1/10W

1/10W

16V

2

E1

7

1

R233

100ohm

3

MODE,/WC

6

1

DDC_SCL_VGA

4

E2

SCL

5

1

XREF

TP1529 1

VSS

SDA

DDC_SDA_VGA

XREF

R234

100ohm

1

AGND

AGND

+5V_IN

AGND

1

AGND

R125

100ohm

R127

1

10Kohm

R126

100ohm

R128

1/10W

C610

1

2Kohm

CHK_DSUB

100nF

XREF

16V

1

DEFAULTDEFAULNET_TYPENETTYPE

R129

22ohm

XREF

VSYNC

1

1

DEFAULTDEFAULTNET TYPNET_TYPE

R130

22ohm

XREF

HSYNC

+3.3V_ESD

R131

IC600

AP1084K33A

13

IN OUT

GND

2

+3.3V_VDD

1

C608	C611
100uF	100nF
16V	16V

C614

C653

C616

C617

C618

C619

C620

10uF

100nF

100nF

100nF

100nF

100nF

100nF

DGND

10V

16V

16V

16V

16V

16V

16V

MLCC

MLCC

+3.3V_AVDD

BD602

TP1544

Close to respective power pins

SUPLVAL

1

C621

C622

C623

C624

C652

10uF

100nF

100nF

100nF

100nF

AGND

10V

16V

16V

16V

16V

MLCC

MLCC

+3.3VA_LV

+3.3V_VDD

+3.3VA_RPLL

BD603

TP1543

SUPLVAL

BD604

1

C651

100nF

C625

16V

100nF

16V

MGND2

R132

2.2Kohm

C121

C122

CN101

UDZS5.6B-TE-17

UDZS5.6B-TE-17

2.2Kohm

1/10W

1/10W

15pF

22pF

6

R-

C123

50V

50V

100nF

1

D123

D124

16V

DELETE

DELETE

11

G-

2

1

2

1

2

1

7

2

AGND

AGND

12DEFAULT_NET_TYPE

AGND

AGND AGND

D125

D126

R133

8

B-

AGND

D127

R134

0ohm

C126

MMBD4148SE

3

MMBD4148SE

3

MMBD4148SE

3

10nF

3

1

47ohm

1/10W

C644

DEFAULT_NET_TYPE

BLUE+

13

1/10W

C140

R139

XREF

100uF

9

1

8pF

0ohm

C129

16V

4

DEFAULT_NET_TYPE

50V

1/10W

10nF

BLUE-

14

R135

XREF

10

1

5

R136

0ohm

C127

15

47ohm

1/10W

10nF

GREEN+

1/10W

C141

R140

XREF

C130

MGND1

8pF

0ohm

+3.3V_VDD

DEFAULT_NET_TYPE

50V

1/10W

10nF

GREEN-

XREF

R137

C128

R138

0ohm

1

47ohm

1/10W

10nF

XREF

DEFAULT_NET_TYPE

RED+

1/10W

C142

R141

R142

R143

R144

8pF

0ohm

C131

RED-

DEFAULT_NET_TYPE

50V

1/10W

10nF XREF

AGND

R145 75ohm R146 75ohm R147 75ohm 1/10W 82ohm 1/10W 82ohm 1/10W 82ohm

B- G- R-

B- G- R-

		+5V_PANEL			AGND			AGND
				+1.8V_VDD
FT601								+1.8V_AVDD
1	2				Close to respective power pins
A	B			BD605
					1
BEAD-SMD,60ohm
					C634
					10uF
					10V
					C635	C636	C649	C650	C648
					100nF	100nF	100nF	100nF	100nF
					16V	16V	16V	16V	16V
					AGND
		+1.8V_VDD						+1.8V_DVDD
				BD606	Close to respective power pins
	IC602
					1
NCP1117DT18T5G		1
3	VIN VOUT 2				C637
					10uF
	ADJ				10V
	1
		C609	C615		C638	C639	C641	C642	C643
		100uF	100nF		100nF	100nF	100nF	100nF	100nF
		16V	16V
					16V	16V	16V	16V	16V

DGND

9-1