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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 company. Disassembly PCB Views Location of Controls EXIT BACK Waveforms...
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Audio Control Power supply Video BACK E - Schematic H - Schematic E - PCB Y - PCB N - Schematic Y - Schematic BACK BACK...
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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 Alimentation: 220-240V AC, 50Hz Power Consumption:...
CONTENTS CONTENTS PRECAUTIONS DE SECURITE .......... 2 SAFETY PRECAUTIONS ............ 2 SERVICE HINTS ..............4 SUGGESTIONS DE DEPANNAGE ........4 SERVICE MODE ..............5 REGLAGES................. 6 SELF CHECK ..............7 AUTO TEST ................ 7 ADJUSTMENT PROCEDURE ..........8 REGLAGES................. 8 WAVEFORM PATTERN TABLE ..........
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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. Ne pas utiliser de transformateur d'isolation Connect a 2kΩ...
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. LOCATION OF CONTROLS EMPLACEMENT DES COMMANDES Focus N - Board...
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. setting values. The adjustment sequence for the service mode is indicated below.
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.
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 de la télécommande et...
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 :- ± 0,25V B10 ± 0,25V ± 0,5V ±...
WAVEFORM PATTERN TABLE TABLEAU DES OSCILLOGRAMMES VFLB Vert Drive Vert Out IC451 Pin 3 IC451 Pin 2 IC601 Pin 31 20mS 20mS 20mS H - Out H - Out H - Pulse IC601 Pin 50 IC701 Pin 5 Base Q503 64µS 64µS 64µS...
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. Amplitude Optimum setting. E/W-Amp1 EW-amplitude Optimum setting.
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. E/W-Amp1 Amplitude E.O.
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 43 B IN Q105 OUTPUT 42 G IN...
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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 SC1_OUT_R 30 2 R IN SC1_IN_R 42...
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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 VPROT Q451 LOCAL...
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. de rechange.
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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. CAP 10nF 270pF C364 ECUV1H103ZFX S.M.
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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. CAP C3003 ECA1CM470GB ELECT 22pF 560pF C1104 ECUV1H220JCX...
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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.
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.
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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 characteristics important for safety. When replacing any of caractéristiques...