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Service Support

Service and repair of

this product is

supported by

Panasonic's LUCI

interface.

This interface provides a

link between the TV and

a standard PC to allow a

number of diagnostic

and control functions to

be performed.

For more details contact

your local Panasonic

company.

BACK

EXIT

TX-28/25XD90F

Service Manual

/A/B

Safety

Specifications

Block Diagrams

Schematic Diagrams

PCB Views

Self Check

Service

Information

Parts List

Service Hints

Disassembly

Location of

Controls

Waveforms

Mechanical

View

Adjustments

Summary of Contents for TX-28XD90F

Page 1: ...o allow a number of diagnostic and control functions to be performed For more details contact your local Panasonic company BACK EXIT TX 28 25XD90F Service Manual A B Safety Specifications Block Diagra...

Page 2: ...BACK BACK BACK M Schematic F Schematic D Schematic Y Schematic H Schematic E Schematic M PCB Y PCB F PCBs H PCB D PCB E PCB Power supply Audio Video Control...

Page 3: ...and dimensions shown are approximate NOTE This Service Manual should be used in conjunction with the EURO5 technical guide TECHNISCHE DATEN Werte in klammern gelten nur fur TX 25XD90F A B Netzpannung...

Page 4: ...ssis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite SICHERHEITSVORKEHRUNGEN ALLGEMEINE RICHTLINIEN 1 Es...

Page 5: ...nt failure 3 To prevent any X Radiation possibility it is essential to use the specified tube MESSUNG DES KRIECHSTROMS IM EINGESCHALTETEN ZUSTAND 1 Den Netzstecker direkt in eine Netsteckdose stecken...

Page 6: ...in Fig 2 SERVICE HINWEISE ENTFERNEN DER GER TER CKWAND 1 Die 11 Schrauben entfernen siehe Abb 2 LOCATION OF CONTROLS LAGE DER EINSTELLREGLER Screws Schrauben Fig 2 Abb 2 4 Fig 3 Abb 3 M Board F Board...

Page 7: ...the receiver to the customer Fig 4 Abb 4 Fig 5 Abb 5 Fig 6 Abb 6 Serviceposition f r das Chassis 1 Das Chassis am hinteren Ende leicht anheben und nach hinten herausziehen wie in Abbildung 4 dargestel...

Page 8: ...hen Informationen HINWEIS Dieses FS Ger t bietet auch die M glichkeit eines Memory Pack mit dem Sie die gew hlten Fernsehkan le abspeichern und auf jedes beliebige EURO 5 FS Ger t umkopieren k nnen PC...

Page 9: ...ly 3 Set the TV into Service Mode 1 4 Select Cutoff mode Adjust the screen VR until the display shows O K ABGLEICH Vorbereitungen Abgleich B Abgleich 1 Testbild empfangen Helligkeit auf Minimum Kontra...

Page 10: ...42 2 2V 32 S R Out IC601 Pin 40 32 S 2 2V G Out IC601 Pin 41 2 2V 32 S Vert Drive IC451 Pin 2 8mS 63V Vert Out IC601 Pin 1 8 6mS 0 6V VFLB IC451 Pin 5 1V 8 6mS Video In IC1101 Pin 68 0 9V 64 S H Out...

Page 11: ...e press the N button Alignment Function Settings Special features Horizontal Position H Pos 020 Optimum setting Vertical Position V Pos 024 Optimum setting Horizontal Amplitude H Amp 049 Optimum setti...

Page 12: ...die N Taste auf der Fernbedienung dr cken Abgleichfunktion Einstellung Besondere Merkmale Horizontal Position H Pos 020 Optimale Einstellung Vertikale Position V Pos 024 Optimale Einstellung Horizonta...

Page 13: ...Q V 3 3 L Q V 3 L Q V 9 3 6 3 L Q V 3 L Q V 8 3 L Q V 0 H P R U 3 L Q V Q G 3 3 L Q V 3 L Q V 3 L Q V 3 L Q V 3 L Q V 3 L Q V 3 L Q V 3 L Q V 3 L Q V 3 L Q V 4 4 4 4 4 4 4 4 4 9 4 9 0 9 9 5 R X W R X...

Page 14: ...3 6 6 6 6 6 L Q 5 L Q L Q 6 5 L Q 6 L Q 6 5 L Q 0 R Q R 0 6 3 5 R X W R X W R X W 5 R X W 4 4 L Q 5 L Q 5 R X W R X W 4 4 4 4 7 R 6 3 L Q 5 L Q 5 R X W R X W 4 4 3 X G L R 0 R Q L W R U 2 X W 5 5 R 5...

Page 15: ...9 L Q N 2 X W H 6 F D Q 6 O R Z 6 O R Z 9 H W 5 6 7 2 1 6 6 6 5 6 7 6 6 6 6 6 6 4 6 6 4 4 4 4 0 4 4 4 4 9 3 U R W 9 3 U R W 9 3 U R W 0 L F U R S U R F H V V R U 4 6 Z L W F K L Q J 0 D W U L 5 6 7 6...

Page 16: ...32 5 6833 7 21 2 5 0 675209 5625 81 6 2 6 0...

Page 17: ...16 25 26 23 19 21 11 22 14 17 9 10 20 7 8 4 5 24 6 1 2 NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List Anmerking Die Nummer auf den mechanisch...

Page 18: ...12478 INSTRUCTION BOOKS GERMAN TQB8E2665A 2 DUTCH FRENCH TQB8E2665BD2 ITALIAN SPANISH TQB8E2665CE2 SWEDISH NORG TQB8E2665FG2 SUOMI DAMISH TQB8E2665HK2 I C s AUDIO OUTPUT IC251 LA4282 RGB OUTPUT IC351...

Page 19: ...07 MA165TA5 DIODE D1109 MA165TA5 DIODE D1110 MA165TA5 DIODE D1112 MA165TA5 DIODE D1501 MA151ATX DIODE D2101 MTZJT 7712C DIODE D2102 MTZJT 7712C DIODE D2351 MTZJT 775 6B DIODE D3006 MA4100 DIODE D3008...

Page 20: ...AY F B T T551 ZTFM05004A TRANSFORMER T801 ETP35KAN619U TRANSFORMER T802 ETS49AH1W7AD COILS COIL L002 EXCELDR35V COIL L003 EXCELDR35V COIL L004 EXCELSA35T COIL L005 TLT100K991R COIL L007 EXCELDR35V COI...

Page 21: ...Y0R00 0 1W 5 0 S M CARB JA29 ERJ6GEY0R00 0 1W 5 0 S M CARB JA30 ERJ6GEY0R00 0 1W 5 0 S M CARB JA31 ERJ6GEY0R00 0 1W 5 0 S M CARB JA33 ERJ6GEY0R00 0 1W 5 0 S M CARB JA35 ERJ8GEY0R00 125W 5 0 S M CARB J...

Page 22: ...ARB R418 ERJ6GEYJ682 0 1W 5 6K8 S M CARB R420 ERJ6GEYJ563 0 1W 5 56K S M CARB R421 ERJ6GEYJ224 0 1W 5 220K S M CARB R441 ERJ6GEYJ393 0 1W 5 39K S M CARB R442 ERJ6GEYJ123 0 1W 5 12K S M CARB R443 ERJ6G...

Page 23: ...ON R891 ERD25TJ103 0 25W 5 10K CARBON R892 ERD25TJ222 0 25W 5 2K2 CARBON R897 ERD25TJ183 0 25W 5 18K S M CARB R901 ERJ6GEYJ562 0 1W 5 5K6 S M CARB R902 ERJ6GEYJ562 0 1W 5 5K6 S M CARB R903 ERJ6GEYJ562...

Page 24: ...S M CARB R1238 ERJ6GEYJ102 0 1W 5 1K S M CARB R1239 ERJ6GEYJ560 0 1W 5 56 S M CARB R1501 ERJ6GEY0R00 0 1W 5 0 S M CARB R1502 ERJ6GEYJ151 0 1W 5 150 S M CARB R1503 ERJ6GEYJ332 0 1W 5 3K3 S M CARB R1504...

Page 25: ...J473 0 1W 5 47K S M CARB R1646 ERJ6GEYJ183 0 1W 5 18K S M CARB R1660 ERJ6GEYJ103 0 1W 5 10K S M CARB R1661 ERJ6GEYJ471 0 1W 5 470 S M CARB R1662 ERJ6GEYJ223 0 1W 5 22K S M CARB R1663 ERJ6GEYJ331 0 1W...

Page 26: ...RJ6GEYJ151 0 1W 5 150 S M CARB R3058 ERJ6GEYJ104 0 1W 5 100K S M CARB R3059 ERJ6GEYJ102 0 1W 5 1K S M CARB R3060 ERJ6GEYJ471 0 1W 5 470 S M CARB R3061 ERJ6GEYJ562 0 1W 5 5K6 S M CARB R3062 ERJ6GEYJ562...

Page 27: ...70 ECQM1H224J 50V 220nF FILM C271 ECQM1H224J 50V 220nF S M CAP C277 ECUV1H102JCX 50V 1nF S M CAP C278 ECUV1H102JCX 50V 1nF S M CAP C352 ECUV1H224ZFX 50V 220nF S M CAP C353 ECUV1H104KBX 50V 100nF FILM...

Page 28: ...EM332E 25V 220 F ELECT C864 ECA0JM102GB 6 3V 220 F ELECT C866 ECA1HM101GB 50V 100 F ELECT C867 ECA1CM222E 16V 2 2nF ELECT C868 ECA1CM100GB 16V 10 F ELECT C869 ECA1HM101GB 50V 100 F ELECT C871 ECA0JM10...

Page 29: ...50V 100nF S M CAP C1582 ECUV1H104ZFX 50V 100nF S M CAP C1583 ECUV1H104ZFX 50V 100nF S M CAP C1584 ECUV1H104ZFX 50V 100nF S M CAP C1585 ECUV1H104ZFX 50V 100nF S M CAP C1586 ECUV1H104ZFX 50V 100nF S M...

Page 30: ...H104ZFX 50V 100nF S M CAP C2128 ECUV1H221JCX 50V 220pF ELECT C2129 ECA1CM100GB 16V 10 F S M CAP C2130 ECUV1H221JCX 50V 220pF FILM C2131 ECQM1H334J 50V 330nF ELECT C2132 ECA1CM100GB 16V 10 F S M CAP C2...

Page 31: ...EM100GB 25V 0 1 F S M CAP C3804 ECUV1H104ZFX 50V 100nF S M CAP C3805 ECUV1H224ZFX 50V 220nF ELECT C3806 ECA1HM101GB 50V 100 F ELECT C3807 ECA1HM100GB 50V 10 F ELECT C3808 ECA1CM470GB 16V 47 F ELECT C3...

Page 32: ...TNPA1014AF DEGAUSS COIL 18 TLK8E05140 DOOR LID 19 TKP8E1170 E P C B 20 TNPH0176AH LEFT PANEL 21 TKP8E1175 MODEL LABEL 22 TQF8E2742 1 POWER BUTTON 23 TBX8E040 RIGHT PANEL 24 TKP8E1200 SPEAKER NET 25 TK...

Page 33: ...EL 24 TKP8E1189 SPEAKER NET 25 TKP8E1169 TOP PANEL 26 TKP8E1183 Y P C B 27 TNPA1353AD MISCELLANEOUS COMPONENTS OUTER CARTON TPC8E4659 TOP CUSHION TPD8E633 BOTTOM CUSHION TPD8E634 I C s EAROM IC1102 X2...

Page 34: ...LS WITH LIGHT MAHOGANY FINISH PLEASE REFER TO THE TX 28XD90F B AND TX 25XD90F B DIFFERENCE LISTS NOTE POUR LES MODELES FINITION NOYER FONCE SE REFERER AUX LISTE DES DIFFERENCES POUR TX 28XD90F A ET TX...

Page 35: ...sch ma est jour moment de l impression et modifiable sans pr avis REMARKS REMARQUE 1 The Power Supply Circuit contains a circuit area which uses a separate power supply to isolate the earth connectio...

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Page 42: ...411 A4 IC1103 E5 Q1108 A5 D601 B4 IC1104 D5 Q1109 A5 D603 D5 IC1105 B6 Q1110 A5 D605 B5 IC1106 D6 Q1111 C5 D607 B5 IC1901 C6 Q1112 E5 D609 B5 IC2101 B3 Q1113 E5 D610 C4 IC2351 A6 Q1114 C6 D611 C4 IC30...

Page 43: ...A2 Q3352 A2 DIODE S D351 B3 D352 B3 D361 A2 D362 A2 D371 C3 D372 C2 D373 C3 D374 A1 D375 B2 D387 B1 D901 C1 D902 C1 D903 C1 D910 C1 D911 D2 D3351 A2 D3352 A3 D3353 A1 D3354 C3 T P S TPY1 B3 TPY2 A2 TP...

Page 44: ...Q847 E6 D571 A2 Q848 D7 D575 C1 Q849 E1 D701 E2 Q850 E2 D803 C4 Q852 E7 D807 B6 Q853 D3 D808 B4 Q854 D3 D809 B4 D810 B4 I C S D812 B4 IC801 B4 D813 B4 IC845 D3 D814 C4 IC852 E2 D815 C3 D817 C6 T P S D...

Page 45: ...Q2410 A3 Q2411 A3 Q2412 A3 Q3401 B1 Q3402 C1 Q3403 B1 Q3404 C1 Q3405 C3 Q3406 C3 DIODE S D2401 A2 D2403 A3 D2404 A3 D2405 A3 D2406 A3 D2407 A3 D2408 A3 D3401 C3 D3402 C3 T P S TPH1 D1 TPH2 A2 TPH3 D1...

Page 46: ...F BOARD TNPA1068 TRAN S Q1663 B2 Q1664 B2 Q1665 B2 Q1666 C1 Q1667 C1 I C S IC1502 B3 IC1503 C3 IC1504 D1 IC1505 D2 IC1506 C2 IC1509 C1 IC1510 C1 1 2 3 A B C D...

Page 47: ...F BOARD TNPA1068 TRAN S Q1501 D3 Q1502 C3 Q1503 B2 Q1504 C1 Q1505 C1 Q1506 C1 Q1507 C1 Q1508 C1 Q1509 C1 Q1510 D1 Q1511 D1 Q1519 D1 Q1660 C2 Q1661 C2 Q1662 C2 I C S IC1507 B2 1 2 3 A B C D...

Page 48: ...M BOARD TNP8EM015 TRAN S Q1011 A1 Q1012 A2 DIODE S D1011 A1 I C S IC1011 A1 1 2 A B C D...

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