LG Electronics 32LM640S/640T-ZA From Lips & Power B/D, PowerDET, Panelpower, On-semi, +3.3VNORMAL

FROM LIPS & POWER B/D

+3.5V_ST

MMBT3906(NXP)

Q2401

R2408

RL_ON

1

3

10K

OPT

2

P2400

+24V

R2401

FW20020-24S

10K

PWR ON 1

24V

L2403

2

CIS21J121

24V

3

4

24V

+3.5V_ST

L2402

GND

5

6

GND

C2413

GND

GND

CIS21J121

7

8

0.1uF

3.5V

9

10

3.5V

50V

3.5V

11

12

3.5V

R2423

0

+3.3V_NORMAL

C2406

GND

GND

L/DIM0_VS

13

14

R2426

0.1uF

POWER_16_VSYNC

GND

GND/V-sync

1K

16V

15

16

R2425

12V

17

18

INV

ON

100

INV_CTL

12V

19

20

A.DIM

A_DIM

+12V

12V

21

22

P.DIM1

PWM_DIM1

L2401

PWM_DIM2

GND/P.DIM2

23

24

Err

OUT

CIS21J121

_POWER16_GND

R2420 0

R2422

_POWER24_GND

C2401

R2424

0.1uF

25

50V

SMAW200-H24S2

+3.3V_NORMAL

P2401

#16/#20/#23

4.7K

LD - GND OR USE

OPT

LE(N.L.D.) - OPEN

R2405

LE(L.D.) - USE

22

ERROR_OUT

POWER_24_ERROR_OUT

Power_DET

+5V_Normal

+12V

PANEL_POWER

TYP 1450mA

L2408

BLM18SG121TN1D

Q2407

PANEL_VCC

C2432

C2433

*1

EPINONMTKEPINONMTK

AO3407A

0.1uF

EPIMTKEPIMTK

S

D

0.01uF

50V

R2442-

R2442

50V

33K

10K

C2435

G

C2440

4.7uF

1uF

50V

25V

C2443

OPT

*1

0.1uF

R2441-

5.6K

C

50V

R2437

PANEL_CTL

10K

B

Q2406

MMBT3904(NXP)

E

+12V	+3.5V_ST			R2417
				100K
		OPT
R2410		R2413		IC2402
2.7K		0
			NCP803SN293
1%		5%
		VCC	3	2	RESET
		C2411		1
R2409		0.1uF		GND
		16V
1.2K
1%
				OPT
	+24V			R2416
				100K
On-semi				OPT
	R2412			IC2401
	8.2K		NCP803SN293
	5%
	OPT
		VCC	3	2	RESET
	R2411	C2410		1
	1.5K			GND
	1%	0.1uF
	OPT	50V
		OPT

+3.5V_ST
R2421
10K
OPT
R2419	POWER_DET
100

C2412 0.1uF 16V

not to RESET at 8kV ESD

R2418

100

OPT24V-->3.48V12V-->3.58VST_3.5V-->3.5V

+12V

L2407

BLM18PG121SN1D

C2415

10uF

16V

POWER_ON/OFF2_3

R1 1%

R2415

56K

C2416

100pF

50V

R2439

R2 10K

1%

DEV_DCDC_TPS54327

				IC2404
		TPS54327DDAR [EP]GND
R2435
10K	EN		1			8	VIN
C24001				THERMAL
0.1uF					9			0.1uF
16V	VFB	2				7	VBST	C2429
	VREG5						SW	16V

36

SS4 3A 5 GND

C2417 C2428

1uF 3300pF

10V 50V

+5V_NORMAL

L2409

3.6uH

NR8040T3R6N

C2430

22uF

10V

+3.3V_NORMAL

	L2413
	BLM18PG121SN1D
	CN
+3.5V_ST		+3.3V_TU_IN
	L2412		POWER_ON/OFF1
			POWER_ON/OFF2_1
	BLM18PG121SN1D	C2436	POWER_ON/OFF2_2
	NON_CN	0.1uF	POWER_ON/OFF2_3
		16V	POWER_ON/OFF2_4

DDR MAIN 1.5V

+1.2V_MTK_CORE

+12V

L2400

BLM18PG121SN1D

Placed on SMD-TOP

C2400 C2402 C2403 10uF 10uF 0.1uF

16V 16V 16V OPT

		IC2400
	AOZ1038PI
PGND	1			8
		THERMAL
VIN	2		9	7
AGND	3			6
FB	4			5

L2404

2uH

[EP]LX

NC_2	*NOTE 17
		OPT				C2407	C2408	C2409	C2414	C2441
NC_1	R24000					10uF	10uF	10uF	10uF	3300pF
						10V	10V	10V	10V	50V
EN			C2405							OPT
			4700pF
	R2402		50V
COMP	3.3K
			R2403		POWER_ON/OFF1
	C2404			10K
	0.1uF
	16V

	R2404	5.6K	1%
R2406	10K	1%

R1

R2

+3.5V_ST

L2405

BLM18PG121SN1D

C2448 C2418 C2419 10uF 10uF 0.1uF

10V 10V 16V

10K

R2430

POWER_ON/OFF2_1

C2420

0.1uF

C2423

16V

0.1uF

16V

EP[GND]

VIN 3

EN

PWRGD

BOOT

L2406

16

15

14

13

VIN_1

PH_3

3.6uH

1

THERMAL

12

VIN_2

PH_2

NR8040T3R6N

2

17

11

GND_1

PH_1

C2424

C2425

C2446

C2447

3

IC2403

10

10uF

10uF

10uF

10uF

GND_2

TPS54319TRE

SS/TR

C2422

10V

10V

10V

10V

4

53A6 7

9

8

0.01uF

50V

AGND

VSENSE

COMP

RT/CLK

R2432

1/16W

330K

5%

R2431

C2421

4700pF

+1.5V_DDR

C2427

0.1uF

16V

R2434	1%47K	C2426
		100pF
		50V

R1

+12V

+3.3V_NORMAL

MAX

3.4 A

L2410

IC2405

BLM18PG121SN1D

[EP]PGND

TPS54425PWPR

+3.3V_NORMAL

VIN2

14

1

VO

R2

VIN1

15THERMAL

VFB

R2428

C2431

13

2

10K

10uF

1%

16V

VBST

12

3

VREG5

4A

C2438

1uF

C2434

SW2

11

4

SS

10V

R1

0.1uF

C2445

50V

GND

R2427

SW1

22pF

10

5

33K

R2407

C2439

1%

50V

PGND2

PG

100K

3300pF

9

6

50V

PGND1

8

7

EN

R2414

10K

Vout=0.8*(1+R1/R2)

15K
1/16W	5%	50V

3A $ 0.145

R2433

56K R2 1/16W

1%

C2437	POWER_ON/OFF2_2
0.1uF				+3.3V_NORMAL
	L2411
		2uH
			C2442	C2444
			22uF	22uF
			10V	10V

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

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.

Vout=(0.763+0.0017*Vout.set)*(1+R1/R2)

MID_POWER	2011.11.25
	24

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