LG Electronics 32LS679C-ZC From Lips & Power B/D, PowerDET, +3.3VNormal, +1.5VDDR, +2.5V/+1.8V

FROM LIPS & POWER B/D

+12V/+15V

PANEL_POWER

+3.5V_ST		--> 3.375V		-->	3.46V
+20V --	>	3.51V --	>	3.76V	(3.59V)	+12V/+15V	+3.5V_ST
+24V	>	3.78V	>	3.92V	(3.79V)		+3.5V_ST

+3.5V_ST

+3.5V_ST				MMBT3906(NXP)
				Q402
R461	OPT		R406	1	3	NORMAL_EXPEPT_32			NORMAL_32
10K		C	4.7K								+24V
	R401					P403			P404
	10K			2							L407-*1
RL_ON		B	Q401			FW20020-24S			FM20020-24
											MLB-201209-0120P-N2
			MMBT3904(NXP)
	R462	E	L404-*1			PWR ON	1	2	24V		L407
											CIS21J121
	10K		MLB-201209-0120P-N2			24V	3	4	24V
	+3.5V_ST			OPT
						GND	5	6	GND
			L404	R610							C418
					33K	GND	7	8	GND
		CIS21J121									0.1uF
						3.5V	9	10	3.5V		50V
			OPT			3.5V	11	12	3.5V
		C406	C408			GND	13	14	GND
		0.1uF	0.1uF
						GND	15	16	GND/V-sync
		16V	16V
						12V			INV	ON
							17	18
+12V/+15V						12V	19	20	A.DIM		+3.3V_Normal
		L402				12V	21	22	P.DIM1
		CIS21J121				GND/P.DIM2	23	24	Err	OUT	+3.5V_ST
				DIM2
			OPT								R419
C404								25		OPT	1K
			C407								R415

L412

120

CIS21J121

PANEL_CTL
1:AK10	R489
	10K

					OPT
0.015uF	0.01uF		C438		C442
C409	C436		0.1uF		10uF				New item
0.015uF					25V
	0.01uF
50V	50V		25V			Q409
						AO3407A
						S		D
			R439			C443
						10uF
	OPT		33K			25V	G
								OPT
	R431
	22K		R440					C451
			5.6K					0.1uF
R430				C				25V
10K			B	Q407
OPT	C			MMBT3904(NXP)
		OPT		E
R429	OPT
47K B	Q406	R435
	MMBT3904(NXP)	22K
	E

R405-*2 R407-*2

4.7K 4.7K

PANEL_DISCHARGE_RES_4.7K

PANEL_DISCHARGE_RES_4.7K

PANEL_VCC

R405-*1 R407-*1

3K3K

PANEL_DISCHARGE_RES_3K

PANEL_DISCHARGE_RES_3K

NON_CI_CAP
C455	R405	R407
0.1uF	2.2K	2.2K
25V

PANEL_DISCHARGE_RES_2.2K

PANEL_DISCHARGE_RES_2.2K

+12V --> 3.58V

-->

3.82V (3.68V)

R488

100K

OPT

+18.5V --> 3.5V

-->

3.75V (3.59V)

PD_+12V

PD_+3.5V

R463

R448

R450

10K

2.7K

0

PWR_DET_ON_SEMI

1%

5%

IC408

NCP803SN293

R402

POWER_DET

VCC

3

2

RESET

100

PD_+12V

PD_KR_42_LIPS

1

IC408-*1

R450-*1

APX803D29

C411

R447

100

GND

C474

0.1uF

1.2K

1%

0.1uF

16V

1%

RESET

2

3

VCC

1

PD_KR_42_LIPS

PD_+24V

GND

+24V

R447-*1

R404

5.1K

100K

PWR_DET_ON_DIODES

PD_+24V

1%

PD_+24V_PWR_DET_ON_SEMI

IC409-*1

R482

APX803D29

8.2K

IC409

NCP803SN293

PD_+24V

1%

R480

VCC

3

2

RESET

100

RESET

2

3

VCC

PD_+24V

1

1

R403

PD_+24V

1.5K

GND

GND

C412

1%

PD_+24V_PWR_DET_DIODES

0.1uF

16V

Power_DET

+3.3V_Normal

780 mA

0.1uF

0.1uF

R408 PWM_

SLIM_32~52

R412

100

R426

16V

16V

0

P401

10K

L402-*1

100

200HZ

SMAW200-H24S2

OPT

MLB-201209-0120P-N2

C

R476

OPT

R421

0

R418

B 10K

INV_CTL

FOR

OPT

6.8K

R475

0

E

Q405

OPT

MMBT3904(NXP)

R427

PWM1

10K

A_DIM

NON_PSU

_T120_LGD

R611

0

OPT

PWM_DIM

C416

R606

0.1uF

3.9K

16V

PWM_PULL-DOWN_3.9K

R606-*1

1K

PWM_PULL-DOWN_1K

’ERROR_OUT’ is used for

+3.3V_Normal

lamp(CCFL/EEFL) models.

OPT

In other words,

ERROR_OUT

R486

R420

4.7K

LED models need not use.

100

ERROR_OUT

+1.5V_DDR

Max 1000mA

+3.5V_ST

IC407

AP7173-SPG-13 HF(DIODES)

+1.5V_DDR

L420

[EP]

BLM18PG121SN1D

IN

OUT

1

THERMAL 9

8

1/16W

PG

FB

R1 R457

4.3K

2

7

VCC

SS

1%

3

6

C472

C476

+3.3V_Normal

1.5A

R2

22uF

0.1uF

R433

EN

GND

C467

R456

10V

16V

10K

4

5

560pF

4.7K

50V

1/16W

NON_CI_CAP

1%

C461

C475

10uF

0.1uF

10V

16V

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

+3.5V_ST

FET_AOS

+3.3V_Normal

Q403

L403

AO3407A

BLM18SG700TN1D

S

D

NON_CI_CAP

C425

OPT

OPT

C437

C435

R434

R438

FET_AOS

G

0.1uF

R446

C445

22uF

0.1uF

C423

16V

10K

0.1uF

16V

16V

10K

22K

16V

4.7uF

FET_2.5V

16V

C423-*1

2.2uF

FET_2.5V

10V

R445-*1

FET_AOS

2.2K

FET_2.5V_DIODE

FET_2.5V_AOS

DMP2130L

AO3435

R445

Q403-*2

Q403-*1

100

S

D

S

D

POWER_ON/OFF_1

R443

C

10K

B

Q400

G

G

OPT

MMBT3904(NXP)

R490

E

10K

FOR LPB Download

[To LED DRIVER]

							+2.5V/+1.8V
+3.3V_Normal
		IC402					+2.5V_Normal
	TJ3940S-2.5V-3L
	VIN 3	Vd=550mV		2 VOUT				300 mA
		1
NON_CI_CAP					R473
			GND		1
C432
0.1uF
16V
						C403	C440
						10uF	0.1uF
						10V	16V

	+3.3V_Normal
FOR LPB MODEL	OPT
	R615
P407	10K
12507WR-08L
	OPT
1	R616
	10K
2	LOCAL DIMMING
	FOR LPB MODEL_L/DIM
	R612
3	33
	L/DIM_SCLK
4
	FOR LPB MODEL_L/DIM
	R613
5	33
	L/DIM_MOSI	FOR	LPB	MODEL
			R183
			33
6				I2C_SCL
7				I2C_SDA
	FOR LPB MODEL_L/DIM
		FOR	LPB	MODEL
	R614
8	33		R184
	L/DIM_VS		33

9FOR LPB MODEL_L/DIM R617

4.7K

+12V/+15V

S7LR core 1.2V volt

+3.3V_NormalC447

R428 0.33uF

10K16V

+5V_USB

L401

R410

10K

C405

C4075

10uF

10uF

25V

25V

OPT

IC401

L406

AOZ1051PI [EP]LX

3.6uH

PGND

NC

1

THERMAL

8

OPT

VIN

9

SS

2

7

C4073

R1

0.1uF

C493

16V

AGND

EN

0.01uF

R416

R609

3

6

50V

FB

COMP

56K

11K

4

3A 5

1%

1%

R608

12K

OPT

R423

C494

C4072

12K

R2

1%

2200pF

100pF

50V

2000 mA					+3.5V_ST
				+5V_Normal		L413
		+5V_USB
				L425
			BLM18PG121SN1D			C430	NON_CI_CAP
	OPT	OPT					C431
C420	C4074					10uF	0.1uF
22uF	0.1uF	C492				10V	16V
16V	16V	22uF
		16V

EP[GND]

VIN_1

VIN_2

GND_1

GND_2

C441

0.1uF

16V

VIN 3

EN

PWRGD

BOOT

16

15

14

13

L415

PH_3

3.6uH

1

12

THERMAL

PH_2

NR8040T3R6N

2

17

11

PH_1

C453

C456

3

IC403

10

22uF

22uF

TPS54319TRE

SS/TR

10V

10V

4

9

5

6

7

8

C488

3300pF

AGND

VSENSE

COMP

RT/CLK

R432

R1

1%

R442

1/16W

330K

5%

27K

1/16W

R436

C448

15K

3300pF

50V

R2

R441

56K

3A $ 0.1651/16W

1%

+1.10V_VDDC

C444

0.1uF

16V

C439 50V

100pF

+3.3V_Normal

OPT	OPT
R180
10K	R181
OLP	1K

Not used :

only for small(ready)

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.

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

GP4L_S7LR22011/11/26

POWER_LARGE 4

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