LG Electronics 55LA625C-ZA From Lips & Power B/D, +1.5VDDR, PowerDET, +3.3VNormal780 mA

FROM LIPS & POWER B/D

+3.5V_ST

MMBT3906(NXP)

Q402

+3.3V_Normal

1

3

+3.5V_ST

R409

+3.5V_ST

10K

R419

2

R406

1K

R461

4.7K

R426

10K

C

10K

OPT R401

C

10K B

R421

Q401

B

INV_CTL

RL_ON

MMBT3904(NXP)

10K

R462

E

Q405

10K

E

MMBT3904(NXP)

P401

D401

5V OPT

SMAW200-H18S1

SS

CIC21J501NE

SS

PWR ON

1

2

DRV ON

L408

L404

3.5V

3

4

PDIM#1

+3.5V_ST

PWM_DIM

3.5V

PDIM#2

C406

0 . 1uF

CIC21J501NE

5

6

R408

100

PWM1

GND

GND

16V

L407

7

8

PWM2_2CH_POWER

24V

24V

+24V

9

10

C418

0 . 1uF

MLB-201209-0120P-N2

GND

11

12

GND

12V

12V

50V

L402

13

14

+12V

12V

15

16

N.C

C404

0 . 1uF

MLB-201209-0120P-N2

GND

17

18

GND

16V

.

GND1JP

GND2JP

GND3JP

GND4JP

19

L408-*1

L404-*1

500-ohm

500-ohm

SAMWHA

SAMWHA

+5V_Normal	Vout=0.8*(1+R1/R2)						+5V_Normal
&
		L406			R1
+5V_USB		3.6uH
	C413		C420	C421	R452
					33K
	0 . 047uF
			22uF	22uF	1%			C422
	25V		16V	16V		C424
						330pF		0 . 1uF
				OPT	R453	50V		16V
					27K
								DELETE

PANEL_POWER

							R405-*1	R405-*2
+12V							3K	5.1K
						3K_PANEL_DISCHARGE 5.1K_PANEL_DISCHARGE
L412							R407-*1	R407-*2
SS							3K	5.1K
						3K_PANEL_DISCHARGE		5.1K_PANEL_DISCHARGE
	0 . 015uF	0 . 0 1 u F
	C409		C438	C442
	0 . 015uF C436		0 . 1 u F	10uF		New item
	50V	0 . 0 1 u F	16V	16V
		50V		DELETE	Q409
L412-*1					AO3407A	D
					S
500-ohm
								PANEL_VCC

R439

C443

SAMWHA

33K

10uF

G

25V

R440

C451

DELETE

0 . 1 u F

C455

R431

5.6K

R405

R407

DELETE

0 . 1 u F

22K

C

16V

2.2K

2.2K

R430

DELETE

DELETE

10K

B

Q407

C

MMBT3904(NXP)

R429

DELETE

E

47K

B

Q406

PANEL_CTL

R435

22K

DELETE

DELETE

R489

E

10K

MMBT3904(NXP)

+1.5V_DDR

Max 1000mA

+3.5V_ST

IC407

AP7173-SPG-13 HF(DIODES)

L420

[ E P ]

+1.5V_DDR

BLM18PG121SN1D

IN

1

OUT

8

PG

THERMAL

FB

R457

C472

C476

2

9

4.3K

D403

7

22uF

0 . 1 u F

5V

VCC

SS

1%

R1

10V

16V

OPT

3

6

+3.3V_Normal

1.5A GND

C467

R433

EN

560pF

R456

10K

4

5

50V

4.7K

1%

C461

C475

R2

10uF

0 . 1 u F

10V

16V

Vout=0.8*(1+R1/R2)=1.5319

Power_DET

ST _ 3 . 5V -- > 3 . 375V -- > 3 . 46V

24V -- >3 . 78V -- > 3 . 92V (3 . 79V)

12V -- >3 . 58V -- > 3 . 82V (3 . 68V)

RESET_IC_SOC_RESET

+12V

+3.5V_ST

+3 . 5V _ ST - > 3 . 375V

R402-*1

+3.5V_ST

300

R488

PD_+12V

PD_+3.5V

100K

RESET_IC_SOC_RESET

R448

R450

R463

2.7K

0

IC408

10K

1%

5%

APX803D29

3.5V_SOC_RESET

R402

VCC

3

2

RESET

100

POWER_DET

C411

PD_+12V

1

C474

0 . 1 u F

R447

GND

POWER_DET_DIODES

0 . 1 u F

1.21K

16V

1%

POWER_DET_RESET

R404

100K

PD_+24V

POWER_DET_ON_SEMI

+24V

IC408-*1

PD_+24V_PWR_DET_DIODES

NCP803SN293

PD_+24V

IC409

VCC 3

2 RESET

R482

APX803D29

PD_+24V

1

8.2K

GND

1%

R480

VCC

3

2

RESET

100

PD_+24V_PWR_DET_ON_SEMI

IC409-*1

PD_+24V

C412

1

NCP803SN293

R403

0 . 1 u F

1.5K

GND

VCC 3

2 RESET

16V

1%

1

PD_+24V

GND

+3.3V_Normal780 mA

+3.5V_ST

FET_AOS

+3.3V_Normal

Q403

L403

AO3407A

BLM18PG121SN1D

S

D

C435

C423

C445

C437

D405

0 . 1 u F

R434

R438

4 . 7 u F

G

C425

0 . 1 u F

22uF

5V

16V

10K

22K

16V

0 . 1 u F

16V

10V

OPT

FET_AOS

16V

DELETE

R445

FET_2.5V

C423-*1

100

FET_AOS

2 . 2uF

R443

C

10V

FET_2.5V_DIODE

FET_2.5V_AOS

DMP2130L

AO3435

POWER_ON/OFF_1

10K

B

Q400

FET_2.5V

Q403-*2

MMBT3904(NXP)

R445-*1

Q403-*1

D

D

DELETE

E

2.2K

S

S

R490

10K

G

G

R491

1%

R2

+12V

0

R454

CHANGE TO

BST

LX

FB

SW IN

11K 1%

+5V_USB

L401-*1

16V/X5R

C417 CAP_10uF_X5R

500-ohm

10uF

CHANGE TO

L401

12

11

10

9

10V

10UF/10V/X5R

85C

CIC21J501NE

13

SAMWHA

SS

8

C405

PGND

SW_OUT

+5V_Normal +3.3V_Normal

10uF

16V

14

IC401

7

R417

C419

VIN

TPS65281RGV

AGND

R412

4.7K

4 . 7uF 10V

10K

R410

16 15

THERMAL 17

5 6

DELETE

USB1_OCD

100K

V7V

FAULT

USB1_CTL

EN

EN_SW

1

2

3

4

[EP]

SS

COMP

ROSC

RLIM

C417-*1

10uF

10V

R413

CAP_10uF_X7R

C426

R411

20K

2K

100pF

50V

C410

DELETE

3300pF

50V

+2.5V/+1.8V										300 mA
								+2.5V_Normal
+3.3V_Normal
				IC402
		TJ3940S-2.5V-3L
	VIN					VOUT
			3	2
				Vd=550mV
	C432			1				R473
	0 . 1 u F				GND		1
	16V									D402
								C403	C440
								10uF	0 . 1 u F	5V
								10V	16V	OPT

		S7LR core
L413-*1
500-ohm		+3.3V_Normal
		10K				C447
SAMWHA		R428
+3.5V_ST						0 . 1 u F	C441
						16V
		EP[GND]	VIN3		PWRGD	BOOT	0 . 1 u F
				EN			16V
L413
SS
			16	15	14	13			L415
		VIN_1					PH_3		3.6uH
			1			12
		VIN_2	THERMAL				PH_2		NR8040T3R6N
			2	17		11
C430	C431									C453
		GND_1					PH_1
10uF	0 . 1 u F		3	IC403		10				22uF
10V	16V	GND_2	TPS54319TRE				SS/TR		C488	10V
			4			9
			5	6	7	8			3300pF
			AGND	VSENSE	COMP	RT/CLK	R432
							1/16W	330K 5%
							R436		C448
							15K		3300pF
									50V

1 . 2V volt

+1.10V_VDDC

C456		R414		C444	D404
				0 . 1 u F	5V
		0
22uF				16V	OPT
10V
			50V
			100pF
	R1	R442	C439
		27K
		1%

	R2	R441
4A		56K
	$ 0 . 165	1%

Vout=0.827*(1+R1/R2)=1.225V

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.

2013 S7LR2	2012 . 11 . 12
POWER	4

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