Sharp LC-26SB14U Schematic

ABC D E F GH

8

7

6

5

4

3

2

1

CD3805

P201-2739-1

YKE31-0149N

BLACK

WHITE

6.3A 125V

CAUTION

ATTENTION

THE RESISTOR MARKED F IS FUSE RESISTOR.NOTE:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.

ABC D E F GH

F401

6.3A125V
51MS063L

FH401

EYF-52BCY

J401

BLACK

12

WHITE

D402

ENE271D-10A

D403

DE37-452M

C406

:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,

REPLACE ONLY WITH THE SAME TYPE FUSE

6.3A 125V(F401).

:POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE

N’UTILISER QUE DES FUSIBLE DE MEME TYPE

6.3A 125V(F401).

EYF-52BCY

D404_1

0.0022250V KX

R434

FH402

6.3A 125V

CP404

003P-2100

ENE241D-10A-Q6

SH402
YQ-12

1N5406FL-6737

1.2 7W

W834

1N5406FL-6737

D405

D407

1

C403_1

0.22275V ECQUL

C402

SH410
YQ-12

390200V EE

1.2M 1W RCR60

R404

COIL,LINE FILTER

390200V EE

C404_1

SS30V-R200132

12

34

L401

R406

HS403

763WAA0367

NC

0

P-GND

0

C408

470P B

C409

1B

R411
10K

C407_3

10035V

MHE

COIL,LINE FILTER
L402_1
SS11V-R22020-CH

(SMALL)

0.22

Vcc

VrefISFB

10 11 12 13 14 15 18 19 20 22 2345 78

5.002.5

19.0

C418

0.001
B

C411

1B

D418

R412

C412

R414

1N4005-EIC

1W

VW

CON

1.3

0.1 B

10K

C414 0.0022 B

1.3

VCC SW

Q401

KTA1281_Y

KRC102SRTK

B404

W5RH3.5X5X1.0

Q2-g

Q1-d&Q2-s

Q1-d&Q2-s

165.6

165.6

165.5

R498

100 1/4W

12

34

C448

0.22275V ECQUL

KX

0.0022

C464

250V

POWER CONTROL IC

MP3A5038

IC401

S-GND

Q1-s

Q1-s

0

0

R410

820 1/4W

0.047 1W

NC

NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED

WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

D415

1N4005-EIC

20.46

19.75

R401

0

VCC SW

Q403

Q2-d

Q2-d

323.0

R416

10 1/4W

IS THE LIVE CONNECTIONCAUTION:

POWER SCHEMATIC DIAGRAM

(POWER PCB)

164.0 0 0

578
DSS

VddFBCLVcc

IC402 MIP2F4

1234

SW REGULATOR CONTROL IC

5.916.0

C429

0.1 B

D424
MTZJ3.3B

R469
10K

R472

2.2K

220P2KV

R

C424_1

B401

W5RH3.5X5X1.0

75K

R511

39K 1/2W

D410

1SS133

C475

D411

1SS133

0.0018 M

1050V YXF

C431_1

R531

R532
R533
R534
R535

R537

T401
81400854

1.0
89

0

7

219

5

0

4

NC

165

3

165

2

219

1

2.5

FEED BACK

IC408

PS2561AL1-1-V(W)

323.0

0

C455_1

20.46
R463

10K 1/4W

6.6

R508

47200V PX

22K

D408

1SS133

R417

10035V MHE

C493_2

22K

R466

KTA1504S_Y_RTK

22K

R521

C405

0.1 B
PROTECT

Q405

KTC3875S_Y_RTK

R429

1M 1/4W RCR

D421

EC31QS04

D425

MTZJ27B

Q2 DRIVE

Q407

47K

KTA1281_Y

165.6

159.0

47K

R420

165.6

D427

D426

MTZJ27B

R423

2.2K 1/2W

R421

2.2K

1/2W

D412

MTZJ3.9B

100K

ATTENTION

2.5

1.0

R433
270K

C428

0.001 B

1B

C426

R506

100 1/4W

PROTECT

Q404

07.1

0

W889

0

00

0

C495 2.2 B

C419 2.2 B

C423

0.082630V FGSM

R428

330 1/2W

R536

270 1/2W

1SS133

R471

R431

10K 1/2W

159.0

216.3

Q2 DRIVE

Q406

2SC2120Y

165.6

W886

:LES PIECES REPAREES PAR UN ETANT

DANGEREUSES AN POINT DE VUE SECURITE
N’UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES

166

220K

166

9.0

220K

R538

220K
220K

R539
220K
220K

POWER SW
IC406
PS2561AL1-1-V(W)

0

34

D432_2

RL106F-E

R437

2.2 1/4W

SW

Q418

2SA1759_T100

R541
180K

180K

R548

180K

180K

R540

0

34

0.3

0.3
34

20.5

1

19.4

2

SH406
YQ-12

R497

11W

R436

1/2W

68K

C430

0.00222KV R

D433

1H3-E

BUFFER

180K

R542

Q424

KTC3875S_Y_RTK

180K

R544

R543

220K

1050V

C483

100K

YXF

0

1

R494

2

0

1.176
1

R439

2

0

6.0

12.5

10

0

11

0

12

24.5

13

24.5

14

19.0

15

0

16

HS405

763WAA0365

R438

2.2K 1/4W

1K

R435

CAUTION

T402 81190084

166.0
1

0

2

NC

166.0
3

0

4

0

5

R441

5.0

15K

34

1.0

5.0

10K

D

G

S

5.0

10K

Q412

SSM3K302T

YG862C15R

C401

2KV

D437

FCH10A20

1
3

SSM3K302T

220 1/4W

D416

31DQ06-FC

C433_1

1
3
D440

0.0015

2

C437_1

0.033100V MMTS

BUFFER

Q425

R475

100035V ZL

2

R

C434_1

R503

470 1/2W

19.4

R476

C462_1

C435_1

120035V ZL

220P

REGULATOR IC

KIA431A-AT

CATHODE

R546

16

16

0

5.0

R545

220K

R549

OVP PROTECT

1K

IC405

PS2561AL1-1-V(W)

D

0

2.2

G

SOFT SWITCH

S

1K

0

D435

ERC91-02

R432

22

1W

4.750V MHE

C494_1

P_GND

:SINCE THESE PARTS MARKED BY

CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY

0

10

NC

36.4

9

5.2

8

0

7

0

6

NC

FEED BACK
IC410
PS2561AL1-1-V(W)

1

2

5.0

D413

MTZJ30B

10K

100016V ZL

100025V ZL

C438_1 120035V ZL

C439

B

R446

10K

IC403

REFERENCE

ANODE

123

2.4

0

ARE

R447

15

D443

31DQ09-FC

D442

1H3-E

R443

1K

W822

1/4W

R444

R445
100

1/4W

W887

D444

1F5-E

C440_1

2.2K

4.0 0 2.5

R448

39K +-1%

R467

R449

6.8K +-1%

R450

+-1%

3.9K

22006.3V ZL

C441_1

CATHODE

R451

470 1/4W

4.7K 1/4W

75K +-1%

CAUTION: DIGITAL TRANSISTOR

2.250V

D445

MTZJ15B

1K

R478

R477

R528

C442_2

4750V YXF

L413

10uH

TSL0808

YXF

R452

1K

1/4W

POWER FAIL SWITCH

KTA1504S_Y_RTK

REGULATOR IC

REFERENCE

ANODE

123

C443

0.01 B

100 1/4W

Q416

IC404

KIA431A-AT

R522

C444_2

R458

10K

4.4

L411
10uH

47K 1/4W

22006.3V ZL

W840

5.2

5.2

R454

R455

R456

R523

R460

R505
18K
+-1%

330

2.2K +-1%

2.2K +-1%

SYS_POWER_H

SW+12V[UNREG]

AT+34V

100K

AT+5V

P_GND

47K

POWER_FAIL

INV_SW+24V

AT+5V

P_GND

SOUND+B

SOUND_GND

P_GND

INV_SW+24V

INV_GND

TO POWER2

AT+5V

INV_SW+24V
SW+12V[UNREG]

INV_GND
P_GND

TO SOUND

SOUND+B
SOUND_GND
P_GND

FROM/TO REGULATOR

AT+5V
POWER_FAIL
AT+34V

SYS_POWER_H
P_GND

TO JACK2

AT+5V
P_GND

PCB240
CEG353

8

7

6

5

4

3

2

1

H-26H-25

ABC D E F GH

POWER2 SCHEMATIC DIAGRAM

8

7

FROM POWER

INV_SW+24V

SW+12V[UNREG]

AT+5V

P_GND

INV_GND

INV_GND

6

(POWER PCB)

LCD+B REG BLOCK

R486 1K 1/4W

R487

R481

4.7K 1/4W

2W
1K

C458_2

1050V YXF

R473

8

CP406
A2001WR-14A

+24V
2W
1K

C456

B

0.01

W810

NC

NC

Analog/Dimming

PWM/Dimming

N.C(open)

+24V

+24V

+24V

+24V

GND
GND
GND
GND
GND

ON/OFF

1
2

14PIN

3

CD406

4

E82E1301

5
6
7
8

9
10
11
12
13
14

7

6

LIGHT_CTL
LIGHT_POWER_H

LCD+B

PANEL_POWER_H

MHE
470

16V

W814

C491_1

2206.3V MHE

L404

P.CON+5V

VIN VOUT G ON/OFF2.5V

12345

12.4 5.1 0 2.5 0

100016V ZL

C453

D406

22uH

TSL0808

DC/DC(5V) IC

IC407

LA5779

EC31QS04

R482

2.7K +-1%

R483

8.2K
+-1%

L408

47uH 1315

R484

820
+-1%

C461

R485

47K

LCD+B SW

Q411

0

KRC102SRTK

3.2

0

10006.3V ZL

W836

2A 125V

R495

F404

20N_2000FS

2A 125V

SW+12V[UNREG] LCD+B

5

P.CON+5V

100

P_GND

4

R480

2.2K

3

C497_1

AT+5V

SYS_POWER_H

13.5

12.8

5.1

SW+12V REG

Q420

KTC3875S_Y_RTK

22K

R461

1050V MHE

12.8

4.5

R470

12.4
EV+17V REG

Q422

KTB1151

13.5

4.5

560 1/4W

P.CON+5V SW

Q417

KTA1281_Y

5.2

4.4

R513

3.5

3.0

2.3

R464

R491_1

R492_1

5.2

SW+12V REG

Q423

KTC3875S_Y_RTK

R493_1

5.2

47 1/4W

P.CON+5V SW
Q408
KTC3875S_Y_RTK

100 1/4W

P_GND

330

2.7K

C446_1

2.2K

VDIM
BLON

SW+12V

LCD-H

TO SOUND

P.CON+5V

TO JACK2

P.CON+5V

FROM/TO REGULATOR

SW+12V
VDIM
BLON
LCD-H
LCD+B
P.CON+5V

SYS_POWER_H

5

4

3

2

PCB240

2A 125V

1

CAUTION
ATTENTION

CAUTION

:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,

REPLACE ONLY WITH THE SAME TYPE FUSE

:POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE

N’UTILISER QUE DES FUSIBLE DE MEME TYPE

2A 125V(F404).

2A 125V(F404).

:F404 IS MANUFACTURED BY SKYGATE CO.,LTD., TYPE 20N.

NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED

WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

CAUTION

:SINCE THESE PARTS MARKED BY

CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY

ARE

ATTENTION

:LES PIECES REPAREES PAR UN ETANT

DANGEREUSES AN POINT DE VUE SECURITE
N’UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES

CAUTION: DIGITAL TRANSISTOR

CEG353

2

1

ABC D E F GH

H-28H-27