LG Electronics 47LE7300-ZA +3.3VMEMC, URSA3 DDR3, URSA3 CORE, Vout=0.8*1+R1/R2, IC8903, IC8902

+1.5V_MEMC

D1.5V_DDR3

D1.5V_DDR3

DDR3 1.5V By CAP - Place these Caps near Memory

L8900

C8902

C8904

C8908

10uF

C8913

0.1uF

C8914

0.1uF

C8915

0.1uF

C8916

0.1uF

C8917

0.1uF

C8918

0.1uF

C8919

0.1uF

C8920

0.1uF

C8921

0.1uF

C8922

0.1uF

C8923

0.1uF

C8924

0.1uF

C8925

0.1uF

C8926

0.1uF

C8927

0.1uF

C8928

0.1uF

C8929

0.1uF

C8930

0.1uF

10uF

0.1uF

10V

16V

Close to DDR Power Pin

	+3.3V_MEMC
+12V			IC8903		+3.3V_MEMC
		AOZ1072AI
				L8905
L8902	PGND		LX_2	3.6uH
		1	8

D1.5V_DDR3

						D1.5V_DDR3
R8900	1K 1%					R8919	1K 1%
			0.1uF		1000pF	MVREFDQ
R8904	1K 1%	C8901		C8903		R8920	1K 1%	C8909	0.1uF	C8910	1000pF
					OPT						OPT

AR8900

FRC_DQL[5]DDR3_DQL[5]

FRC_DQL[7]DDR3_DQL[7]

FRC_DQL[3]DDR3_DQL[3]

FRC_DQL[1]DDR3_DQL[1] 10

AR8901

FRC_A[9]DDR3_A[9]

FRC_A[2]DDR3_A[2]

FRC_A[0]DDR3_A[0]

FRC_BA2DDR3_BA2 10

AR8902

FRC_DQL[0]DDR3_DQL[0]

MVREFCA

IC8900

H5TQ1G63BFR-12C

MVREFCA	M8		A0	N3
		VREFCA		P7
			A1
				P3
			A2
MVREFDQ	H1			N2
			A3
		VREFDQ		P8

DDR3_A[0-12]

DDR3_A[0]

DDR3_A[1]

DDR3_A[2]

DDR3_A[3]

DDR3_A[4]

CIC21J501NE

NR8040T3R6N

VIN

2

7

LX_1

R8933

27K

1%

2A

AGND

EN

POWER_ON/OFF2_2

C8942

C8944

3

6

R8934

4.7K

1%

R1

22uF

0.1uF

C8932

C8934

R8928

10uF

10uF

10K

10V

16V

25V

25V

FB

4

5

COMP

OPT

9.1K

2200pF

C8940

R8925

C8937

100pF

50V

R8935

Vout=0.8*(1+R1/R2)

10K

1%

R2

URSA3 DDR3 1.5V

FRC_DQL[2]DDR3_DQL[2]

FRC_DQL[6]DDR3_DQL[6]

FRC_DQL[4]DDR3_DQL[4] 10

AR8903

FRC_DQU[7]DDR3_DQU[7]

FRC_DQU[1]DDR3_DQU[1]

FRC_DQU[5]DDR3_DQU[5]

FRC_DQU[3]DDR3_DQU[3] 10

R8909

FRC_DMUDDR3_DMU 10

R8910

FRC_DQSLDDR3_DQSL 10

R8913

FRC_DQSLBDDR3_DQSLB 10

R8914

				A4	P2
	R8921			A5	R8
		L8		A6
240			ZQ		R2
				A7
1%				A8	T8
		B2			R3
				A9
			VDD_1		L7
		D9		A10/AP
			VDD_2		R7
		G7		A11
			VDD_3		N7
		K2
			VDD_4	A12/BC
					T3
		K8		A13
			VDD_5
		N1
			VDD_6		M7
		N9		A15
			VDD_7
		R1
			VDD_8		M2
		R9
			VDD_9	BA0
					N8
				BA1
					M3
		A1		BA2
			VDDQ_1		J7
		A8
			VDDQ_2	CK
		C1			K7
			VDDQ_3	CK

DDR3_A[5]

DDR3_A[6]

DDR3_A[7]

DDR3_A[8]

DDR3_A[9]

DDR3_A[10]

DDR3_A[11]

DDR3_A[12]

DDR3_BA0

DDR3_BA1

DDR3_BA2

OPT R8922	DDR3_MCLK
	150

+3.3V_MEMC

L8903 CIC21J501NE

C8935 10uF 16V

IC8901

AP1117EG-13

IN OUT

ADJ/GND

+1.5V_MEMC

1074 mA

1%	270	R8927	R8936	1
		C8938		C8946
				0.1uF
		22uF
				16V
		R8929
		56

FRC_DMLDDR3_DML 10

R8911

FRC_DQSUDDR3_DQSU 10

R8912

FRC_DQSUBDDR3_DQSUB 10

AR8904

FRC_DQU[2]DDR3_DQU[2]

FRC_DQU[6]DDR3_DQU[6]

FRC_DQU[0]DDR3_DQU[0]

FRC_DQU[4]DDR3_DQU[4] 10

AR8906

FRC_A[3]DDR3_A[3]

FRC_A[5]DDR3_A[5]

FRC_A[7]DDR3_A[7]

FRC_DDR3_RESETBDDR3_RESETB 10

AR8905

FRC_CASBDDR3_CASB

FRC_ODTDDR3_ODT

FRC_WEBDDR3_WEB

FRC_BA0DDR3_BA0 10

R8915

FRC_RASBDDR3_RASB 10

R8916

FRC_MCLKDDR3_MCLK 10

R8917

FRC_MCLKBDDR3_MCLKB 10

R8918

FRC_CKEDDR3_CKE 10

AR8908

FRC_A[8]DDR3_A[8]

FRC_A[6]DDR3_A[6]

FRC_A[4]DDR3_A[4]

FRC_BA1DDR3_BA1 10

AR8907

FRC_A[10]DDR3_A[10]

FRC_A[12]DDR3_A[12]

FRC_A[1]DDR3_A[1]

FRC_A[11]DDR3_A[11] 10

	C9					K9
		VDDQ_4		CKE
	D2
		VDDQ_5				L2
D1.5V_DDR3	E9
					CS
		VDDQ_6				K1
	F1
		VDDQ_7		ODT
	H2					J3
		VDDQ_8		RAS
	H9					K3
		VDDQ_9		CAS
						L3
	J1				WE
		NC_1				T2
	J9
		NC_2	RESET
	L1
		NC_3
	L9
		NC_4				F3
	T7
		NC_6	DQSL
						G3
			DQSL
	A9					C7
		VSS_1	DQSU
	B3					B7
		VSS_2	DQSU
	E1
		VSS_3				E7
	G8
		VSS_4		DML
	J2					D3
		VSS_5		DMU
	J8
		VSS_6				E3
	M1		DQL0
		VSS_7				F7
	M9		DQL1
		VSS_8				F2
	P1		DQL2
		VSS_9				F8
	P9		DQL3
		VSS_10				H3
	T1		DQL4
		VSS_11				H8
	T9		DQL5
		VSS_12				G2
			DQL6
						H7
			DQL7
	B1
		VSSQ_1				D7
	B9		DQU0
		VSSQ_2				C3
	D1		DQU1
		VSSQ_3				C8
	D8		DQU2
		VSSQ_4				C2
	E2		DQU3
		VSSQ_5				A7
	E8		DQU4
		VSSQ_6				A2
	F9		DQU5
		VSSQ_7				B8
	G1		DQU6
		VSSQ_8				A3
	G9		DQU7
		VSSQ_9

DDR3_MCLKB

DDR3_CKE

DDR3_ODT

DDR3_RASB

DDR3_CASB

D1.5V_DDR3

DDR3_WEB R8923 10K

DDR3_RESETB

DDR3_DQSL

DDR3_DQSLB

DDR3_DQSU

DDR3_DQSUB

DDR3_DML

DDR3_DMU DDR3_DQL[0-7]

DDR3_DQL[0]

DDR3_DQL[1]

DDR3_DQL[2]

DDR3_DQL[3]

DDR3_DQL[4]

DDR3_DQL[5]

DDR3_DQL[6]

DDR3_DQL[7]

DDR3_DQU[0]

DDR3_DQU[1]

DDR3_DQU[2]

DDR3_DQU[3]

DDR3_DQU[4]

DDR3_DQU[5]

DDR3_DQU[6]

DDR3_DQU[7]

DDR3_DQU[0-7]

1%

URSA3 CORE 1.26V

+12V

IC8902

+1.26V_MEMC

L8901

AOZ1072AI

L8904

PGND

LX_2

3.6uH

1

8

NR8040T3R6N

3.3K

1%

VIN

LX_1

R8930

2

7

AGND

2A

EN

POWER_ON/OFF2_1

R1

C8941

C8943

3

6

R8931

3.9K

1%

22uF

0.1uF

C8931

C8933

FB

COMP

R8926

10uF

10uF

10K

10V

16V

25V

25V

4

5

OPT

6.2K

3300pF

C8939

R8924

C8936

100pF

50V

R8932

12K

1%

R2

Vout=0.8*(1+R1/R2)

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR

THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

COMMON	2009.09.11
URSA3 DDR & Power	89

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Only for training and service purposes	LGE Internal Use Only