LG Electronics 32LA62**-Z* From Lpb & Psu, Panelpower, +5VNormal, PowerDET, On-semi, +3.3VNORMAL

FROM LPB & PSU

+3.5V_ST

MMBT3906(NXP)

R2408

Q2401

RL_ON

10K

1

3

P2400

R2401

2

SMAW200-H24S2

+3.3V_NORMAL

10K

R2426

+3.5V_ST

L2402

POWER_18P

R2425

1K

PWR ON

1

2

INV ON

100

INV_CTL

CIS21J121

3.5V

PDIM#1

3

4

PWM_DIM1

C2406

3.5V

5

6

PDIM#2

PWM_DIM2

L2403

+24V

GND

GND

7

8

0.1uF

24V

24V

CIS21J121

16V

9

10

GND

11

12

GND

C2413

12V

13

12V

14

0.1uF

+12V

12V

15

16

24V

50V

L2401

GND

17

18

GND

CIS21J121

GND

19

20

GND

C2401

GND

21

19 22

L/DIMO_VS

L/DIM0_VS_PWR

0.1uF

L/DIM0_MOSI_PWR

L/DIM0_MOSI

23

24

L/DIM0_SCLK

L/DIM0_SCLK_PWR

50V

POWER

_24P

25

SMAW200-H18S1

P2401

L/DIM_OUT

R2459

33

L/DIM0_SCLK L/DIM0_SCLK_PWR

L/DIM_OUT

R2458

33

L/DIM0_MOSI L/DIM0_MOSI_PWR

L/DIM_OUT

R2456

33

L/DIM0_VS L/DIM0_VS_PWR

R2457 4.7K L/DIM OUT

HDMI LEAKAGE Workaround in MTK A2(A0) (Default= with HDMI_LEAKAGE) +3.3V_NORMAL

R2454	OPT
0
1/16W
5%
PANEL_VCC
R2453
10K	VDD3V3_HDMI
G
S	D
NTR4501NT1G
Q2408
	C2453
	0.1uF
	16V

+12V

L2408

BLM18SG121TN1D

C2432

0.01uF

50V

PANEL_CTL

PANEL_POWER

		Q2407
C2433		AO3407A
		S	D
0.1uF
	R2442	33K	G
50V
		C2435	C2440
		4.7uF	1uF
		50V	25V
			OPT
	R2441	5.6K
R2437		C
10K	B	Q2406
		MMBT3904(NXP)
		E

TYP 1450mA

PANEL_VCC

OPT R2451	1/8W 2K OPT R2452	1/8W	2K	C2443
				0.1uF
				50V

+5V_Normal

IC2401-*1

NCP803SN293

R2412-*1

8.2K

VCC 3

2

RESET

P_DET_BOTH_12_24V

IC2401-*2

1

R2411-*1

NCP803SN293

GND

P_DET_BOTH_24_3.5V

1.5K

P_DET_BOTH_12_24V

C2410-*2

P_DET_BOTH_12_3.5V

R2410-*1

P_DET_BOTH_12_24V

1%

R2416-*2

VCC

RESET

0.1uF

2.7K

R2418-*1

100K

3

2

50V

1%

100

P_DET_BOTH_12_24V

R2410-*2

1

P_DET_BOTH_12_24V

P_DET_BOTH_12_3.5V

P_DET_BOTH_24_3.5V

C2410-*1

2.7K

R2418-*2

GND

P_DET_BOTH_12_24V

1%

R2409-*1

0.1uF

100

1.2K

R2416-*1

50V

P_DET_BOTH_12_24V

1%

100K

P_DET_BOTH_24_3.5V

R2409-*2 P_DET_BOTH_12_24V

P_DET_BOTH_24_3.5V

1.2K

1%

Power_DET

+12V

+3.5V_ST

R2417

+3.5V_ST

100K

P_DET_ONLY_12V

R2421

R2410

R2413

IC2402

10K

2.7K

0

OPT

NCP803SN293

1%

5%

P_DET_BOTH_24_3.5V

R2419

POWER_DET

VCC

3

2

RESET

100

P_DET_ONLY_12V

C2411

1

R2409

0.1uF

GND

16V

1.2K

1%

C2412

0.1uF

16V

P_DET_BOTH_12_3.5V

+24V

+3.5V_ST

R2416

100K

+24V

L2406

BLM18PG121SN1D

C2417

C2422

10uF 0.1uF

35V 50V

R2

							IC2404
		C2423				RT8289GSP [EP]GND
		0.01uF
		50V
			BOOT			1			8	SW
							THERMAL
			NC_1			2		9	7	VIN
			NC_2			3			6	GND
				FB	4		5A			EN
					1%
					51K		R1
R2436				R2438
	16K	1%
					C2424
					150pF
					50V

L2407

4.7uH

D2401 B540C 40V

					+5V_NORMAL
125C		125C
C2425		C2426			C2429
22uF		22uF		C2428	0.1uF
10V		10V		10uF	16V
				10V
			POWER_ON/OFF2_3
		R2439
		10K
	C2427
	0.1uF
	16V

JP2408 JP2409 JP2410 JP2411

POWER_ON/OFF1

POWER_ON/OFF2_1

POWER_ON/OFF2_2

POWER_ON/OFF2_3

POWER_ON/OFF2_4

On-semi

not to RESET at 8kV ESD

R2412

R2400

IC2401

0

8.2K

P

_DET_BOTH_12_3.5V NCP803SN293

R2418

P_DET_BOTH_24_3.5V

VCC

3

2

RESET

100

R2411

C2410

1

P_DET_BOTH_12_3.5V

24V-->3.48V

1.5K

GND

1%

0.1uF

P_DET_BOTH_12_3.5V

12V-->3.58V

P_DET_BOTH_24_3.5V

50V

ST_3.5V-->3.5V

P_DET_

BOTH_12_3.5V

Vout=1.222*(1+R1/R2)

+1.2V_MTK_CORE

+12V

L2400

L2404

IC2400

2uH

BLM18PG121SN1D

BD86106EFJ [EP]

PGND

1

8

SW_2

R2404

Placed

on SMD-

TOP

THERMAL

9

C2407

C2408

C2409

C2414

C2441

5.1K

1%

VIN

2

7

SW_1

10uF

10uF

10uF

10uF

47pF

10V

10V

10V

10V

50V

AGND

EN

C2405

OPT

3

6

0.0068uF

C2400

C2402

C2403

R2402

50V

R1

10uF

10uF

0.1uF

FB

6A

COMP

6.8K

OPT

16V

16V

16V

4

5

ZD2402 5V OPT

R2406

10K

1%

R2

R2403

POWER_ON/OFF1

C2404

10K

0.1uF

16V

Vout=0.8*(1+R1/R2)

DDR MAIN 1.5V

DDR MAIN 1.5V

10K

R2430

POWER_ON/OFF2_1

C2420

+3.5V_ST

0.1uF

C2455

16V

0.1uF

L2405

16V

BLM18PG121SN1D

EP[GND]

VIN_3

EN

PWRGD

BOOT

16

15

14

13

L2411

VIN_1

PH_3

2.2uH

1

12

VIN_2

THERMAL

PH_2

2

17

11

GND_1

PH_1

NR5040T2R2N

C2448

C2418

C2419

10

4

IC2403

C2456

C2451

C2454

C2447

9

GND_2

TPS54319TRESS/TR

10uF

10uF

0.1uF

3A

10uF

10uF

10uF

10uF

10V

10V

16V

5

6

7

8

AGND

VSENSE

COMP

RT/CLK

C2450

10V

10V

10V

10V

0.01uF

50V

R2432

1/16W

330K

5%

R2431

C2421

15K

4700pF

1/16W

5%

50V

3A

Vout=0.827*(1+R1/R2)=1.521V

+1.5V_DDR

			C2457
			0.1uF
			16V
R2455	47K 1%		ZD2401	5V
		C2452		OPT
	R1	100pF
		50V

R2433

56K R2 1/16W

1%

+3.3V_NORMAL

MAX

3.4 A

+3.3V_NORMAL

+12V

L2409

L2410

IC2405

2uH

BLM18PG121SN1D

TPS54327DDAR [EP]GND

EN

THERMAL

9

VIN

16V

NR8040T2R0N

10V

10V

10V

10V

50V

R2427

30K

1%

1

8

0.1uF

Placed

on SMD-

TOP

C2437

C2438

C2439

C2442

C2444

C2445

VFB

VBST

10uF

10uF

10uF

10uF

100pF

2

7

OPT

R1

VREG5

SW

R2440R2428

1/16W

16V

16V

16V

4

5

C2430

C2431

C2434

3

6

10uF

10uF

0.1uF

SS

GND

OPT

POWER_ON/OFF2_2

R2414

C2415

C2416

10KC2436

0.1uF

1uF

3300pF

16V

10V

50V

Vout=0.765*(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.

MID_POWER	2011.11.25
	24

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