Sharp 28LF-94E Service Manual Download Page 9

9

   28LF-94E

  PARTS LISTING

 REPLACEMENT PARTS

Replacement parts which have special safety characteristics are identified in
this manual. Electrical components having such features are identified by 

in the Replacement Parts Listing.
The use of a substitute replacement part which does not have the same safety
characteristics as the factory recommended is not permitted.
Replacement parts not shown in this service manual may create shock fire, or
other hazards.

HOW TO ORDER REPLACEMENT PARTS

To have your order completed promptly and correctly please supply the follow-
ing information.

1. MODEL NUMBER

2. REF. NO.

3. PART NO. 

(*)

4. DESCRIPTION

5. CODE

6. QUANTITY

  (*) When ordering any part, a “V” should be added before the Part No.

    (*)

REF No. PARTS DESCRIPTION

SN CODE EX CODE

Q117

30001458 TR BC858B SMD

AA

AB

Q400

30001458 TR BC858B SMD

AA

AB

Q401

30001457 TR BC848B SMD

AA

AC

Q402

30001457 TR BC848B SMD

AA

AC

Q403

30001457 TR BC848B SMD

AA

AC

Q404

30001457 TR BC848B SMD

AA

AC

Q405

30001458 TR BC858B SMD

AA

AB

Q406

30001458 TR BC858B SMD

AA

AB

Q412

30001457 TR BC848B SMD

AA

AC

Q413

30001457 TR BC848B SMD

AA

AC

Q700

30001458 TR BC858B SMD

AA

AB

Q701

30001457 TR BC848B SMD

AA

AC

Q702

30001457 TR BC848B SMD

AA

AC

Q703

30001457 TR BC848B SMD

AA

AC

Q704

30001457 TR BC848B SMD

AA

AC

Q706

30001457 TR BC848B SMD

AA

AC

Q707

30001458 TR BC858B SMD

AA

AB

Q708

30001457 TR BC848B SMD

AA

AC

Q709

30001458 TR BC858B SMD

AA

AB

Q710

30001458 TR BC858B SMD

AA

AB

Q711

30001457 TR BC848B SMD

AA

AC

Q712

30001458 TR BC858B SMD

AA

AB

Q713

30001458 TR BC858B SMD

AA

AB

Q714

30001457 TR BC848B SMD

AA

AC

Q715

30001458 TR BC858B SMD

AA

AB

Q716

30001458 TR BC858B SMD

AA

AB

Q717

30001457 TR BC848B SMD

AA

AC

Q718

30001458 TR BC858B SMD

AA

AB

Q719

30001457 TR BC848B SMD

AA

AC

Q720

30001457 TR BC848B SMD

AA

AC

Q722

30001458 TR BC858B SMD

AA

AB

Q725

30001457 TR BC848B SMD

AA

AC

Q729

30001458 TR BC858B SMD

AA

AB

Q733

30001457 TR BC848B SMD

AA

AC

Q734

30001458 TR BC858B SMD

AA

AB

Q735

30001457 TR BC848B SMD

AA

AC

Q801

30001454 TR BC548B

AA

AC

Q802

30001386 TR MTP6N60E (PLASTIC)

AE

AP

Q803

30001454 TR BC548B

AA

AC

Q804

30001457 TR BC848B SMD

AA

AC

Q805

30001454 TR BC548B

AA

AC

Q806

30001428 TR BF423

AA

AC

Q807

30001457 TR BC848B SMD

AA

AC

Q808

30001457 TR BC848B SMD

AA

AC

Q810

30001454 TR BC548B

AA

AC

Q811

30001457 TR BC848B SMD

AA

AC

Q812

30001458 TR BC858B SMD

AA

AB

Q813

30007802 TR STP20N06LFP

AD

AL

Q814

30001455 TR BC558B

AA

AC

Q815

30023137 IC TL431  %1 TOL (TO-92)

AA

AD

Q816

30023137 IC TL431  %1 TOL (TO-92)

AA

AD

Q817

30001384 TR MCR22-6

AB

AG

Q818

30010149 TR BD243C

AC

AG

Q900

30001427 TR BF422

AA

AE

Q902

30017863 TR BF199

AA

AD

Q903

30017862 TR BF370

AA

AE

Q904

30003768 TR BD139

AB

AF

Q905

30013531 TR BD140

AB

AF

Q906

30017863 TR BF199

AA

AD

DIODES

D100

30001291 DIODE HER107 1A/800V 30A

AA

AB

D100

30003720 DIODE ZENER BZT55C5V6 5.6V SMD

AA

AB

D100

20060150 BRACKET LED 20

AA

AD

D100

30001279 LED RED/GREEN LTL293SJ

AC

AH

D101

30001371 DIODE ZENER 5.1V ZPD

AA

AB

REF No. PARTS DESCRIPTION

SN CODE EX CODE

.

30016949 28" CPT TUBE 16:9 100HZ REALFLAT

CE

CZ

.

30029092 28" 16:9 RF DEG COIL&EARTH CB. WO/UL S

AL

AX

TUNER

TU200 30009637 TUNER WSP (PLL) CTF5510A

AR

BC

INTEGRATED CIRCUITS

IC100

30013687 IC TDA8177F

AH

AT

IC100

30001669 PREAMPLIFIER TFMS1380

AD

AM

IC103

30022479 IC LDO LM1086 3.3V/1.5A D2PAK VINMAX=18V

AC

AK

IC104

30022477 IC STEP DOWN CS51033 1A SO8

AE

AP

IC105

30001665 IC LM358N

AA

AE

IC105

30022958 TR PMOS STS5PF30L -5A/-30V SO8

AB

AF

IC309

20164379 IC M24C64 D01341111172111221111

AC

AK

IC309

30021752 IC M24C64 (SO8W6)

AD

AK

IC313

30021602 IC PNX3006E / N302

BC

BS

IC314

30027713 IC FLASH 32Mbit 3V  x8/x16 (TSOP-56)

AQ

BB

IC315

30029152 IC SDRAM 64MBIT(1Mx16bitx4bank)TSOP(CTV)

AR

BC

IC316

30022895 IC RESET NE56610-29

AD

AL

IC400

30021285 IC PNX3000HL / N2

AS

BD

IC401

30018422 IC AAMP TDA7480L 10W PDIP20

AG

AS

IC402

30018422 IC AAMP TDA7480L 10W PDIP20

AG

AS

IC801

30015087 IC SAFE OPTOCOUPLER TCET1102G

AA

AE

IC803

30001500 IC LM7808

AC

AH

IC804

30011968 IC SMPS MC44608 DIP8

AF

AQ

IC900

30008721 IC TDA6108

AH

AT

TRANSISTORS

Q100

30018627 TR NMOS IRFU110 4.3A/100V TO251

AB

AG

Q101

30016686 TR 2SC5302

AK

AV

Q102

30001458 TR BC858B SMD

AA

AB

Q102

30001457 TR BC848B SMD

AA

AC

Q103

30001458 TR BC858B SMD

AA

AB

Q103

30001457 TR BC848B SMD

AA

AC

Q104

30007799 TR BDX53BFI

AC

AK

Q105

30001454 TR BC548B

AA

AC

Q106

30001458 TR BC858B SMD

AA

AB

Q106

30025524 TR PMEM4010PD PNP/SCH -1A -40V SOT457

AB

AF

Q107

30001452 TR BC327

AA

AC

Q108

30001457 TR BC848B SMD

AA

AC

Q109

30001452 TR BC327

AA

AC

Q110

30001453 TR BC337

AA

AC

Q111

30001453 TR BC337

AA

AC

Q112

30001457 TR BC848B SMD

AA

AC

Q113

30001457 TR BC848B SMD

AA

AC

Q114

30001457 TR BC848B SMD

AA

AC

Q115

30001458 TR BC858B SMD

AA

AB

Q116

30023137 IC TL431  %1 TOL (TO-92)

AA

AD

 PICTURE TUBE                                            

!

!

!

Summary of Contents for 28LF-94E

Page 1: ... and only parts identi cal to those specified should be used CONTENTS ELECTRICAL SPECIFICATIONS 3 IMPORTANT SERVICING NOTES 4 CONTROLS TERMINALS 5 PRINTED WIRING BOARD LAYOUT 7 PARTS LISTING 9 HOW TO UPDATE THE TECHNICAL INFORMATION 19 SHARP CORPORATION SE0028LF94S00 Issued 7th July 2004 In order to service the model 28LF 94E refer to the AK 53 Chassis Service Manual SE00AK53CHA00 MODEL 28LF 94E P...

Page 2: ...f only part number changes are required just change part number directly the part number in the Parts Listing Section If you need more information please refer to the Technical Report Bulletin SERVICE MANUAL UPDATE LOG SHEET Part No Technical Report No Technical Bulletin No Cause Solution Page No Application Data Serial No ...

Page 3: ...ng Ranges 48 25MHz thru 855 25 MHz VHF S1 S41 CH Hiperband E2 E12 F2 F10 UHF E21 E69 Power Input 220V 240 Volts AC 50 Hz Power Consumption Normal Operation Method IEC60107 113 W Stand by Operation 3 W Audio Power Output Rating MPO Impedance Internal Left Speaker 10 W 7 Ω Internal Right Speaker 10 W 7 Ω Speakers Full range 2 pcs 60 x 120 mm Convergence Maximum Misconvergence MODEL DESTINATION Opera...

Page 4: ...ous x ray radiation levels This is a problem when in close proximity to the receiver for long periods of time To reduce any risks associated with this please observe the following precautions 1 When undertaking any servicing on this chassis DO NOT increase the EHT to more than 33 KV at a instantaneous beam current of 1800 µA 2 Ensure that during normal operation the EHT does not exceed 29 65 KV at...

Page 5: ...hone 3 6 mm Ø Speakers left right Power On Off Volume CH Program S VIDEO 6 9 2 9 2 6 5 8 2 6 9 2 9 2 6 5 8 2 FRONT PANEL REAR TV RF Input 1 Aerial terminal 21 pin In Out 2 21 pin Audio Video RGB EXT 1 With PAL SECAM NTSC S Video Input 3 21 pin Audio Video EXT 2 With PAL SECAM NTSC Video Input 7 7 ...

Page 6: ... P CH Program Up Volume Up TV Quit Menu 7 EXT button EXT 1 EXT 2 S VHS S VHS EXT2 or FRONT AV Yellow Feature Menu Blue Installation Menu Hold 1 6 Update Index Page Reveal Expand Mix 21 Teletext Time 23 Red Sound Menu Green Picture Menu Mute I II Mono Stereo Dual I II Volume Down P CH Program Down Flash back button 30 M Menu 31 Cursor Down 32 Cursor Left ...

Page 7: ...7 28LF 94E CHASSIS LAYOUT Mother Unit Front Unit SW Keyboard FAV ...

Page 8: ...8 28LF 94E Digital Module Unit CRT Socket Unit ...

Page 9: ...B AA AC Q811 30001457 TR BC848B SMD AA AC Q812 30001458 TR BC858B SMD AA AB Q813 30007802 TR STP20N06LFP AD AL Q814 30001455 TR BC558B AA AC Q815 30023137 IC TL431 1 TOL TO 92 AA AD Q816 30023137 IC TL431 1 TOL TO 92 AA AD Q817 30001384 TR MCR22 6 AB AG Q818 30010149 TR BD243C AC AG Q900 30001427 TR BF422 AA AE Q902 30017863 TR BF199 AA AD Q903 30017862 TR BF370 AA AE Q904 30003768 TR BD139 AB AF ...

Page 10: ...IODE UF5402 3A 200V 150A AB AF D812 30001329 DIODE 1N4007 1A 1000V 30A AA AB D813 30006691 DIODE ZENER 3 3V AA AA D814 30001318 DIODE BA159 1A 800V 20A AA AB REF No PARTS DESCRIPTION SN CODE EX CODE D815 30001318 DIODE BA159 1A 800V 20A AA AB D818 30001318 DIODE BA159 1A 800V 20A AA AB D819 30001285 DIODE 1N4148 SMD AA AB D820 30001285 DIODE 1N4148 SMD AA AB D821 30001285 DIODE 1N4148 SMD AA AB D8...

Page 11: ...TE BEAT 805 BLM21A601S AA AD L803 30001992 FIXED COIL 10UH Q65 K A AA AB L805 30018078 LINE FILTER SAFE 2X22MH AK37 AC AK L951 30001979 FIXED COIL 1UH Q45 M A AA AB CERAMIC FILTERS Z400 30001692 FILTER SAW OFWK3953M AH AV Z401 30012545 FILTER SAW K9656M AG AR TRANSFORMERS REF No PARTS DESCRIPTION SN CODE EX CODE TR100 30006743 TRF HORIZONTAL DRIVER 15AK17 17 AC AH TR101 30017521 TRF FBT SAFESINGLE...

Page 12: ...SMD 100NF 16V K R 0603 AA AB C428 30000100 CAP MKT 330NF 63V J AA AD C428 30022244 CAP SMD 100PF 50V J 402 AA AA REF No PARTS DESCRIPTION SN CODE EX CODE C429 30000295 CAP CER 100NF 50V Z F AA AB C430 30000295 CAP CER 100NF 50V Z F AA AB C430 30012581 CAP SMD 1NF 50V K R 0603 AA AB C431 30000100 CAP MKT 330NF 63V J AA AD C432 30000383 CAP EL 2200UF 25V M AA AC C432 30022338 CAP SMD 4 7NF 50V J 402...

Page 13: ...4 CAP SMD 100NF 16V K R 0603 AA AB C740 30016654 CAP SMD 100NF 16V K R 0603 AA AB REF No PARTS DESCRIPTION SN CODE EX CODE C742 30016654 CAP SMD 100NF 16V K R 0603 AA AB C744 30016654 CAP SMD 100NF 16V K R 0603 AA AB C745 30016654 CAP SMD 100NF 16V K R 0603 AA AB C747 30016654 CAP SMD 100NF 16V K R 0603 AA AB C748 30016654 CAP SMD 100NF 16V K R 0603 AA AB C749 30016654 CAP SMD 100NF 16V K R 0603 A...

Page 14: ...CAP MKT 10NF 63V J AA AB C910 30000104 CAP MKT 4 7NF 100V J AA AB C911 30000104 CAP MKT 4 7NF 100V J AA AB C912 30000131 CAP MKP SAFE 100NF 250V J AA AB C914 30000388 CAP EL 33UF 160V M AB AF REF No PARTS DESCRIPTION SN CODE EX CODE C915 30000075 CAP MKT 100NF 250V K DC AA AD C917 30000295 CAP CER 100NF 50V Z F AA AB C918 30000352 CAP EL 100UF 16V M AA AB C925 30000191 CAP CER 100PF 50V J SL AA AB...

Page 15: ...R J 0402 AA AA REF No PARTS DESCRIPTION SN CODE EX CODE R422 30012677 RES SMD 1 16W 3 3K J 0603 AA AA R422 30022052 RES SMD 1 16W 200R J 0402 AA AA R423 30022118 RES SMD 1 16W 75R J 0402 AA AA R424 30012657 RES SMD 1 16W 1K J 0603 AA AB R424 30022118 RES SMD 1 16W 75R J 0402 AA AA R425 30000459 RES CF 1 4W 100R J AA AB R425 30021988 RES SMD 1 16W 1 8K J 0402 AA AA R426 30012510 RES SMD 1 16W 100R ...

Page 16: ...9K J 0402 AA AA R835 30000475 RES SMD 1 10W 10K J 0805 AA AB REF No PARTS DESCRIPTION SN CODE EX CODE R704 30022085 RES SMD 1 16W 33R J 0402 AA AA R705 30022056 RES SMD 1 16W 220R J 0402 AA AA R706 30012650 RES SMD 1 16W 15K J 0603 AA AB R707 30012650 RES SMD 1 16W 15K J 0603 AA AB R708 30012708 RES SMD 1 16W 68K J 0603 AA AA R709 30012708 RES SMD 1 16W 68K J 0603 AA AA R710 30022118 RES SMD 1 16W...

Page 17: ...16W 1K J 0402 AA AA R836 30000664 RES SMD 1 10W 3 3K J 0805 AA AB R836 30022042 RES SMD 1 16W 1K J 0402 AA AA R837 30000503 RES SMD 1 10W 12K J 0805 AA AB R837 30022040 RES SMD 1 16W 18K J 0402 AA AA R838 30000517 RES SMD 1 10W 15R J 0805 AA AB R838 30022057 RES SMD 1 16W 22K J 0402 AA AA R839 30012641 RES SMD 1 16W 10K J 0603 AA AB R840 30012641 RES SMD 1 16W 10K J 0603 AA AB R841 30012657 RES SM...

Page 18: ...30001829 CONN HEADER 2P 2 5MM TOP WHT SD AA AB PL107 30001792 CONN HEADER 2P 7 5MM TOP WHT AA AC PL107 30014711 CNAS 2P 250 W DC AB AF PL108 35000135 TEST PIN 1 1MM AA AB PL108 30001792 CONN HEADER 2P 7 5MM TOP WHT AA AC PL203 30010921 DOUBLE DECK SCART SOCKET AD AM PL401 30018410 CONN HEADER 35P 3 0MM SIDE DR AC AK PL402 30018410 CONN HEADER 35P 3 0MM SIDE DR AC AK PL404 30001844 CONN HEADER 3P 2...

Page 19: ... www vestelservice com 2 Select Technical Support 3 Login 101278 4 Password SHPII278 By this access you can consult the latest schematic diagram or request the Parts Listing of a concrete Production Date Serial Number By this way it can be also consulted the issued Technical Reports Service Bulletins ...

Page 20: ...cal photocopying recording or otherwise without prior written permission of the publisher Technical information and Production Vestel Electronik AS Technical information re issued SHARP ELECTRONICA ESPAÑA S A Service Manual Group Engineering Dept Polígono Industrial Can Sant Joan 08190 Sant Cugat del Vallès Barcelona Spain Think Ecology please use RECYCLED PAPER ...

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