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Panasonic TX-28XD4F Service Manual
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Panasonic TX-28XD4F Service Manual

Panasonic TX-28XD4F Service Manual

Euro4 chassis
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TX-28/25XD4F Service Manual
Safety
Specifications
Parts List
Service
Information
Adjustments
Self Check
Service Hints
Mechanical
View
Disassembly
Location of
Controls
Waveforms
All manuals and user guides at all-guides.com
/A
Block Diagrams
Schematic Diagrams
PCB Views
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.
EXIT
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Summary of Contents for Panasonic TX-28XD4F

  • Page 1 PC to allow a Schematic Diagrams Self Check number of diagnostic and control functions to Service Hints be performed. Mechanical For more details contact View your local Panasonic Disassembly company. PCB Views Location of Controls EXIT BACK Waveforms...
  • Page 2 All manuals and user guides at all-guides.com Audio Control Power supply Video BACK E - Schematic H - Schematic E - PCB Y - PCB N - Schematic Y - Schematic BACK BACK...
  • Page 3 All manuals and user guides at all-guides.com ORDER No. SM-98028 Colour Television TX-28XD4F / TX-25XD4F EURO4 Chassis SPECIFICATIONS CARACTÉRISTIQUES (Information in brackets { } refer to TX-25XD4F) (Les informations entre parenthèses { } concernent le TX-25XD4F) Power Source: 220-240V AC, 50Hz...

  • Page 4: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS CONTENTS SAFETY PRECAUTIONS ............ 2 PRECAUTIONS DE SECURITE .......... 2 SERVICE HINTS ..............4 SUGGESTIONS DE DEPANNAGE ........4 SERVICE MODE ..............5 REGLAGES................. 6 SELF CHECK ..............7 AUTO TEST ................ 7 ADJUSTMENT PROCEDURE ..........
  • Page 5 All manuals and user guides at all-guides.com LEAKAGE CURRENT HOT CHECK VERIFICATION A CHAUD DU COURANT DE FUITE Plug the AC cord directly into the AC outlet. Do not Brancher le cordon secteur directement à une prise use an isolation transformer for this check. secteur.

  • Page 6: Service Hints

    All manuals and user guides at all-guides.com SERVICE HINTS SUGGESTIONS DE DEPANNAGE HOW TO REMOVE THE REAR COVER COMMENT RETIRER LE PENNEAU ARRIÈRE Remove the 15 screws (A) as shown in Fig.2. Retirer les 15 vis (A) comme sur la Fig.2. Screws A Vis A Fig.2.

  • Page 7: Service Mode

    All manuals and user guides at all-guides.com SERVICE MODE The remote control is used for entering and storing adjustments, with the exception of Cut-off adjustments, which must always be done prior to service adjustment. Perform adjustments in accordance with screen display. The display on the screen also specifies the CCU variants as well as the approx.

  • Page 8: Reglages

    All manuals and user guides at all-guides.com REGLAGES La télécommande sert à entrer et stocker les données des réglages. Sauf pour le cut-off qui doit être réalisé en priorité. Les réglages s'affichent sur l'écran, ainst qui les spécificités nominales du CCU. Régler par la télécommande le niveau de GRAVE au Appuyer sur la touche JAUNE ou BLEUE pour maximum, AIGU au minimum.

  • Page 9: Self Check

    All manuals and user guides at all-guides.com SELF CHECK AUTO TEST Self-check is used to automatically check the bus L'auto test est utilísé pour vérifier les BUS et les lines and hexadecimal code of the TV set. codes Hexadécimaux du TV . Pour renter dans le mode Auto Test presser le To get into the Self-Check mode press the down bouton STATUS...

  • Page 10: Adjustment Procedure

    All manuals and user guides at all-guides.com ADJUSTMENT PROCEDURE Item/Preparation Adjustments +B SET-UP Set the +B voltage up as follows :- Adjust R811 so that B2 shows 148V±1V Receive a Greyscale signal. Confirm the following voltages. Set the controls :- ±...

  • Page 11: Waveform Pattern Table

    All manuals and user guides at all-guides.com WAVEFORM PATTERN TABLE TABLEAU DES OSCILLOGRAMMES VFLB Vert Drive Vert Out IC451 Pin 2 IC451 Pin 3 IC601 Pin 31 20mS 20mS 20mS H - Out H - Out H - Pulse IC601 Pin 50 IC701 Pin 5 Base Q503 64µS...

  • Page 12: Alignment Settings

    All manuals and user guides at all-guides.com ALIGNMENT SETTINGS: (The figures below are nominal and used for representative purposes only.) Alignment Function Settings / Special features H-Pos Horizontal Position Optimum setting. V-Pos Vertical Position Optimum setting. H-Amp Horizontal Amplitude Optimum setting. V-Amp Vert.

  • Page 13: Reglages

    All manuals and user guides at all-guides.com REGLAGES (Les figures ci-dessous sont fictives et utilisées uniquement à des fins représentatives) Fonctions Réglages/Points particuliers H-Pos Centrage Horizontal Optimiser les réglages. V-Pos V-Pos. Optimiser les réglages. H-Amp Amplitude Horizontal Optimiser les réglages. V-Amp Amplitude Verticale Optimiser les réglages.

  • Page 14: Block Diagrams

    All manuals and user guides at all-guides.com VIDEO BLOCK DIAGRAM SYNOPTIQUE VIDEO Y - BOARD E - BOARD Q906 Q908 COILS Q905 Q907 Q909 IC601 61 V IN 1 Q950 Q951 TUNER Q104 IC351 SVM OUT 34 VIDEO PROCESSOR B OUT 39 Q353 Q305 Q306...
  • Page 15 All manuals and user guides at all-guides.com AUDIO BLOCK DIAGRAM SYNOPTIQUE AUDIO E - BOARD TUNER IC251 IC2101 AUDIO AUDIO OUTPUT PROCESSOR Q103 DACM_R 24 Q2102 Q252 X101 HEADPHONE DACM_L 25 L 11 Q2103 Q251 X102 SC3_IN_L 37 SC3_IN_R 38 Q101 44 MONO IN 1 R OUT...
  • Page 16 All manuals and user guides at all-guides.com CONTROL BLOCK DIAGRAM SYNOPTIQUE DE COMMANDE E - BOARD H - BOARD TUNER POS/NEG IC3401 L/L’ VIDEO IC2101 SWITCHING AUDIO IC601 Q3401 SDA 1 PROCESSOR VIDEO PROCESSOR SCL 1 SERVICE / TEST SDA 1 SCL 1 SDA 2 SCL 2...
  • Page 17 All manuals and user guides at all-guides.com POWER SUPPLY BLOCK DIAGRAM SYNOPTIQUE ALIMENTATION E - BOARD 5V SBY Q852 D867 Q855 D868 Q853 Q854 IC251 Y - BOARD AUDIO D862 T802 RL801 OUTPUT R854 T801 IC351 D801 Line T551 Filter OUTPUT 150V 200V...

  • Page 18: Parts Location

    All manuals and user guides at all-guides.com PARTS LOCATION EMPLACEMENT DES PIÈCES NOTE: REMARQUE: The numbers on the exploded view below Les numéros sur les pièces mécaniques refer to the mechanical section of the indiquent les No. de réf. de la liste des pieces Replacement Parts List.

  • Page 19: Replacement Parts List

    AUDIO PROCESSOR EAGG1216C2 SPEAKER IC3401 TEA2114 AV SWITCHING ENG29504G TUNER FUSES EUR511200 REMOTE CONTROL F802 19181-3.15 FUSE TBM8E1728 PANASONIC BADGE F8021 EYF52BC FUSE HOLDER TKP8E1169 SPEAKER NET F8022 EYF52BC FUSE HOLDER TKP8E1222 REAR AV COVER DIODES TMX8E020 CHASSIS FRAME TNP8EH002AA H P.C.B.
  • Page 20 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description D705 MTZJT-775.6C DIODE Q352 2SA1767 TRANSISTOR Q353 2SA1767 TRANSISTOR D801 RBV4-08 DIODE D803 1SR124-4AT82 DIODE Q354 BC857B TRANSISTOR D804 1SR124-4AT82 DIODE Q451 BC857B TRANSISTOR Q503 2SD2398-M2...
  • Page 21 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description L553 ELC08D682E COIL JSE10 ERJ6GEY0R00 S.M.CARB 0.1W L554 ELC18B102L COIL JSE12 ERJ6GEY0R00 S.M.CARB 0.1W L601 TLTACT4R7K COIL JSE25 ERJ6GEY0R00 S.M.CARB 0.1W L602 TLTACT4R7K COIL JSE26 ERJ6GEY0R00...
  • Page 22 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description R257 ERJ6GEYJ100 S.M.CARB 0.1W R506 ERD25TJ560 CARBON 0.25W R258 ERJ6GEYJ272 S.M.CARB 0.1W R507 ERG1FJ271P METAL R259 ERJ6GEYJ100 S.M.CARB 0.1W R509 ERDS1TJ152 CARBON 0.5W R260 ERJ6GEYJ103 S.M.CARB...
  • Page 23 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description R853 ERJ6GEYJ102 S.M.CARB 0.1W R1112 ERJ6GEYJ473 S.M.CARB 0.1W R854 ERG2FJ223 METAL R1113 ERJ6GEYJ101 S.M.CARB 0.1W R855 ERJ6GEYJ752 S.M.CARB 0.1W R1115 ERJ6GEYJ471 S.M.CARB 0.1W R856 ERJ6GEYJ752 S.M.CARB...
  • Page 24 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description R2110 ERJ6GEY0R00 S.M.CARB 0.1W R3406 ERJ6GEYJ301 S.M.CARB 0.1W R2111 ERJ6GEYJ221 S.M.CARB 0.1W R3407 ERJ6GEYJ123 S.M.CARB 0.1W R2112 ERJ6GEYJ102 S.M.CARB 0.1W R3408 ERJ6GEYJ472 S.M.CARB 0.1W R2113 ERJ6GEYJ562...
  • Page 25 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description 1.5nF 270pF C360 ECKC3D152J CERAMIC C633 ECUV1H271JCX S.M. CAP 1.5nF 270pF C361 ECA1HMR47GB ELECT C634 ECUV1H271JCX S.M. CAP 470µF 18pF C363 ECA1VM471GB ELECT C635 ECUV1H180JCX S.M.
  • Page 26 All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description 100nF 2.2nF C1101 ECJ2VF1H104Z ELECT 350V C3001 ECUV1H222JCX S.M. CAP 100µF 2.2nF C1102 ECA0JM101G ELECT 6.3V C3002 ECUV1H222JCX S.M. CAP 22pF 47µF C1103 ECUV1H220JCX S.M.
  • Page 27 TSX8E0028 POWER CORD CAPACITORS TKP8E1174 RIGHT PANEL 1.2nF TKP8E1171 TOP PANEL C551 ECKC3D122J CERAMIC TNP8EY012AA Y P.C.B. DIFFERENCES FOR MODEL TX-28XD4F/A MISCELLANEOUS COMPONENTS TPC8E4660-1 OUTER CARTON TPD8E631 TOP CUSHION MECHANICAL PARTS TPD8E632 BOTTOM CUSHION TKU8E00320 BACK COVER INSTRUCTION BOOKS A66ECF50X41 C.R.T.

  • Page 28: Schematic Diagrams

    All manuals and user guides at all-guides.com NOTE: NOTE: FOR MODELS WITH THE DARK WALNUT FINISH POUR LES MODELES FINITION NOYER FONCE PLEASE REFER TO THE TX-28XD4F/A AND SE REFERER A LA LISTE DES PIECES TX-25XD4F/A DIFFERENCE LISTS. DIFFERENTES POUR LES MODELES TX-28XD4F/A ET TX-25XD4F/A.
  • Page 29 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAMS FOR MODELS SCHEMA TECHNIQUE POUR MODELE TX-28XD4F / TX-25XD4F TX-28XD4F / TX-25XD4F (EURO-4 CHASSIS) (EURO-4 CHASSIS) IMPORTANT SAFETY NOTICE REMARQUE IMPORTANTE POUR LA SÉCURITÉ Components identified by mark have special Les éléments portant la marque possèdent...
  • Page 30 All manuals and user guides at all-guides.com...
  • Page 31 All manuals and user guides at all-guides.com...

  • Page 32: Conductor Views

    All manuals and user guides at all-guides.com...
  • Page 33 All manuals and user guides at all-guides.com...
  • Page 34 CONDUCTOR VIEWS VUE DU CIRCUIT IMPRIMÉ All manuals and user guides at all-guides.com E - BOARD TNP8EE009 TRAN’S DIODES D558 Q3601 L8 D3103 B7 D557 Q3007 M9 D3101 B7 D556 Q3001 N8 D3102 B7 D555 Q3006 N10 D2161 G9 D554 Q2304 I7 D2105 G10 D553...
  • Page 35 Y - BOARD TNP8EY012 All manuals and user guides at all-guides.com TRANSISTORS Q909 Q908 Q907 Q906 Q905 Q354 Q353 Q352 Q351 DIODES D906 D905 D904 D902 D901 D364 D363 D362 D361 D360 D359 D358 D357 D356 D355 D354 TEST POINTS TPY6 B8 TPY5 D5 TPY4 E5...

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Tx-25xd4fTx-28xd4aTx-25xd4a

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