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10

 28LF-94E

REF No. PARTS DESCRIPTION

SN CODE EX CODE

D102

30007760 DIODE ZENER SMD BZT55C10

AA

AB

D102

30018574 DIODE SCH SS33 3A/30V DO214AB

AA

AE

D102

30001371 DIODE ZENER 5.1V ZPD

AA

AB

D103

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D103

30001371 DIODE ZENER 5.1V ZPD

AA

AB

D104

30007678 DIODE GUC DTV32F1500A 6A/1500V 100A

AD

AL

D104

30001371 DIODE ZENER 5.1V ZPD

AA

AB

D105

30007768 DIODE STTA506F 5A/600V 55A

AD

AM

D105

30001371 DIODE ZENER 5.1V ZPD

AA

AB

D106

30001291 DIODE HER107 1A/800V 30A

AA

AB

D106

30001371 DIODE ZENER 5.1V ZPD

AA

AB

D107

30001291 DIODE HER107 1A/800V 30A

AA

AB

D107

30001371 DIODE ZENER 5.1V ZPD

AA

AB

D108

30001299 DIODE UF5404 3A/400V 150A

AA

AD

D109

30001299 DIODE UF5404 3A/400V 150A

AA

AD

D110

30001291 DIODE HER107 1A/800V 30A

AA

AB

D111

30001288 DIODE BYV27-200 2A/200V 50A

AA

AD

D112

30012412 DIODE ZENER 2.4V SMD

AA

AB

D113

30001377 DIODE ZENER 33V UZT 33B

AB

AF

D114

30001285 DIODE 1N4148 SMD

AA

AB

D117

30001285 DIODE 1N4148 SMD

AA

AB

D118

30001285 DIODE 1N4148 SMD

AA

AB

D119

30001285 DIODE 1N4148 SMD

AA

AB

D120

30001318 DIODE BA159 1A/800V 20A

AA

AB

D121

30009699 DIODE ZENER SMD BZT55C12

AA

AB

D122

30009699 DIODE ZENER SMD BZT55C12

AA

AB

D123

30001318 DIODE BA159 1A/800V 20A

AA

AB

D124

30009699 DIODE ZENER SMD BZT55C12

AA

AB

D125

30001291 DIODE HER107 1A/800V 30A

AA

AB

D127

30001285 DIODE 1N4148 SMD

AA

AB

D128

30001285 DIODE 1N4148 SMD

AA

AB

D201

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D202

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D203

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D204

30018735 DIODE ZENER BZT55C15 15V SMD

AA

AB

D205

30018735 DIODE ZENER BZT55C15 15V SMD

AA

AB

D207

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D400

30012411 DIODE BA782 SMD

AA

AD

D404

30001284 DIODE 1N4148 0.15A/100V 0.5A

AA

AB

D700

30001285 DIODE 1N4148 SMD

AA

AB

D701

30001285 DIODE 1N4148 SMD

AA

AB

D703

30021518 DIODE ZENER BZT55C2V7 2.7V SMD

AA

AA

D705

30021443 DIODE ZENER BZT55C22 22V SMD

AA

AA

D707

30021445 DIODE ZENER BZT55C47 47V SMD

AA

AA

D711

30001285 DIODE 1N4148 SMD

AA

AB

D713

30022478 DIODE SCH BAT254 0.2A/30V SOD110

AA

AC

D714

30007169 DIODE BAV99 (SOT23) 0.25A/70V 4.5A

AA

AA

D715

30007169 DIODE BAV99 (SOT23) 0.25A/70V 4.5A

AA

AA

D716

30001285 DIODE 1N4148 SMD

AA

AB

D717

30001285 DIODE 1N4148 SMD

AA

AB

D718

30001285 DIODE 1N4148 SMD

AA

AB

D801

30001318 DIODE BA159 1A/800V 20A

AA

AB

D802

30001323 DIODE BY299 2A/800V 70A

AA

AD

D803

30009366 DIODE UF5402 3A/200V 150A

AB

AF

D804

30009366 DIODE UF5402 3A/200V 150A

AB

AF

D805

30007681 DIODE UF5407 3A/800V 150A

AB

AF

D805+ 30001964 FERRITE BAR 5*8

AA

AD

D806

30001344 DIODE ZENER 6.2V 1/2W

AA

AB

D807

30000613 RES SMD 1/8W 2.4K G

AA

AA

D808

30001288 DIODE BYV27-200 2A/200V 50A

AA

AD

D809

30001285 DIODE 1N4148 SMD

AA

AB

D810

20108354 DIODE BRIDGE GBU4M 4A/1000V 150A(FORMLU)

AB

AE

D811

30009366 DIODE 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

D822

30009699 DIODE ZENER SMD BZT55C12

AA

AB

D823

30001285 DIODE 1N4148 SMD

AA

AB

D824

30009366 DIODE UF5402 3A/200V 150A

AB

AF

D827

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D829

30001318 DIODE BA159 1A/800V 20A

AA

AB

D830

30001285 DIODE 1N4148 SMD

AA

AB

D831

30001329 DIODE 1N4007 1A/1000V 30A

AA

AB

D901

30001318 DIODE BA159 1A/800V 20A

AA

AB

D902

30001318 DIODE BA159 1A/800V 20A

AA

AB

D903

30001318 DIODE BA159 1A/800V 20A

AA

AB

D904

30001318 DIODE BA159 1A/800V 20A

AA

AB

D905

30001284 DIODE 1N4148 0.15A/100V 0.5A

AA

AB

D906

30001284 DIODE 1N4148 0.15A/100V 0.5A

AA

AB

D907

30001284 DIODE 1N4148 0.15A/100V 0.5A

AA

AB

D910

30006918 DIODE BAV21 0.25A/200V 1A

AA

AB

D911

30006918 DIODE BAV21 0.25A/200V 1A

AA

AB

D951

30001285 DIODE 1N4148 SMD

AA

AB

D965

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D966

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D967

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D968

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D969

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D970

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D971

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D972

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D973

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

D974

30007763 DIODE ZENER SMD BZT55C5V1

AA

AB

PACKAGED CIRCUITS

X700

30022663 XTAL 13.5MHZ

AA

AD

COILS

L100

30007771 FIXED COIL 100UH

AA

AE

L100

30001979 FIXED COIL 1UH Q45 M-A

AA

AB

L1000

30001992 FIXED COIL 10UH Q65 K-A

AA

AB

L1001

30001992 FIXED COIL 10UH Q65 K-A

AA

AB

L101

30007757 COIL INJECTION EW 6MH AK28

AC

AH

L101

30023096 FIXED COIL SMD 10uH 2.5A 10x10x4.5mm

AC

AG

L101

30001979 FIXED COIL 1UH Q45 M-A

AA

AB

L102

30022848 FERRITE SMD 30/100MHz 4A  (0603)

AA

AC

L103

30020531 FERRITE SMD (805) BLM21PG221SN1

AA

AA

L104

30020531 FERRITE SMD (805) BLM21PG221SN1

AA

AA

L104

30019483 COIL BRIDGE 300UH 32KHZ AK52

AD

AM

L105

30006712 FERRITE BEAD 3.5X4.7X0.8

AA

AB

L106

30006712 FERRITE BEAD 3.5X4.7X0.8

AA

AB

L107

30001996 FIXED COIL 22UH Q40 K

AA

AB

L107

30020531 FERRITE SMD (805) BLM21PG221SN1

AA

AA

L108

30001996 FIXED COIL 22UH Q40 K

AA

AB

L108

30020531 FERRITE SMD (805) BLM21PG221SN1

AA

AA

L109

30001996 FIXED COIL 22UH Q40 K

AA

AB

L109

30020531 FERRITE SMD (805) BLM21PG221SN1

AA

AA

L112

30018093 COIL SMD 3.3uH (2520)

AA

AC

L113

30018093 COIL SMD 3.3uH (2520)

AA

AC

L114

30018093 COIL SMD 3.3uH (2520)

AA

AC

L115

30020531 FERRITE SMD (805) BLM21PG221SN1

AA

AA

L213

30013413 FERRITE BEAD ACB2012H-300

AA

AB

L214

30013413 FERRITE BEAD ACB2012H-300

AA

AB

L215

30013413 FERRITE BEAD ACB2012H-300

AA

AB

L216

30013413 FERRITE BEAD ACB2012H-300

AA

AB

L217

30013413 FERRITE BEAD ACB2012H-300

AA

AB

L218

30013413 FERRITE BEAD ACB2012H-300

AA

AB

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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