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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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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...
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All manuals and user guides at all-guides.com ORDER No. SM-98032 Colour Television TX-28LD4P TX-25LD4P EURO4 Chassis SPECIFICATIONS (Information in brackets { } refers to model TX-25LD4P) AV2 IN Video (21 pin) 1V p-p 75Ω Power Source: 220-240V AC, 50Hz Audio (21 pin) 500mV rms 10kΩ...
All manuals and user guides at all-guides.com CONTENTS SAFETY PRECAUTIONS................................2 SERVICE HINTS ..................................3 ADJUSTMENT PROCEDURE..............................4 ADJUSTMENT PROCEDURE AND SELF-CHECK ........................5 WAVEFORM PATTERN TABLE ...............................6 ALIGNMENT SETTINGS................................7 BLOCK DIAGRAMS ..................................8 PARTS LOCATION .................................12 REPLACEMENT PARTS LIST ..............................13 SCHEMATIC DIAGRAMS ...............................22 CONDUCTOR VIEWS................................26 SAFETY PRECAUTIONS GENERAL GUIDE LINES It is advisable to insert an isolation transformer in the...
All manuals and user guides at all-guides.com SERVICE HINTS HOW TO REMOVE THE REAR COVER Remove the 12 screws as shown in Fig.2. SCREWS Fig.2. LOCATION OF CONTROLS Focus N - Board Screen E - Board H - Board Y - Board Fig.3.
All manuals and user guides at all-guides.com ADJUSTMENT PROCEDURE 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 software version as well as the approx.
All manuals and user guides at all-guides.com ADJUSTMENT PROCEDURE Item / Preparation Adjustments Set the +B voltage up as follows:- +B SET-UP Adjust R811 so that B2 shows 148V±1V Receive a Greyscale signal. Confirm the following voltages. Set the controls :- ±...
All manuals and user guides at all-guides.com WAVEFORM PATTERN TABLE 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 64µS...
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.
All manuals and user guides at all-guides.com VIDEO BLOCK DIAGRAM Y - BOARD E - BOARD Q906 Q908 COILS Q905 Q907 Q909 IC601 Q104 61 V IN 1 Q950 Q951 TUNER IC351 SVM OUT 34 VIDEO PROCESSOR B OUT 39 Q353 Q305 Q306...
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All manuals and user guides at all-guides.com AUDIO BLOCK DIAGRAM E - BOARD TUNER IC251 IC2101 AUDIO AUDIO OUTPUT PROCESSOR Q103 DACM_R 24 Q2102 Q252 HEADPHONE DACM_L 25 Q2103 L 11 Q251 SC3_IN_L 37 SC3_IN_R 38 Q101 44 MONO IN 1 R OUT SC1_OUT_R 30 SC1_IN_R 42...
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All manuals and user guides at all-guides.com CONTROL BLOCK DIAGRAM E - BOARD H - BOARD TUNER IC3401 VIDEO IC2101 SWITCHING AUDIO Q3401 IC601 SDA 1 PROCESSOR VIDEO PROCESSOR SCL 1 SERVICE / TEST SDA 1 SCL 1 SDA 2 SCL 2 VPROT Q451...
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All manuals and user guides at all-guides.com POWER SUPPLY BLOCK DIAGRAM E - BOARD 5V SBY Q852 D867 Q855 Q253 D868 Q853 Q854 IC251 Y - BOARD AUDIO D862 OUTPUT T802 RL801 R854 T801 IC351 D801 Line Filter T551 OUTPUT 150V 200V D850...
All manuals and user guides at all-guides.com PARTS LOCATION NOTE: The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List.
AUDIO PROCESSOR EASG15S505A2 SPEAKER IC3401 TEA2114 AV SWITCHING ENG27507G TUNER FUSES EUR511200 REMOTE CONTROL F802 19181-3.15 FUSE TBM8E1728 PANASONIC BADGE F8021 EYF52BC FUSE HOLDER TBX8E050 POWER BUTTON F8022 EYF52BC FUSE HOLDER TKP8E1222 REAR AV COVER DIODES TKP8E1223 DOOR LID TMX8E020...
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All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description D803 1SR124-4AT82 DIODE Q503 2SD2398-M2 TRANSISTOR D804 1SR124-4AT82 DIODE Q551 BU2508AXLB TRANSISTOR D805 TLP621GR-LF2 PHOTO COUPLER Q552 2SC1473-RN TRANSISTOR D806 1SR124-4AT82 DIODE Q701 BC857B TRANSISTOR D850...
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All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description L853 EXCELSA35T COIL JA58 ERJ6GEY0R00 S.M.CARB 0.1W L854 EXCELSA35T COIL JA57 ERJ6GEY0R00 S.M.CARB 0.1W L855 EXCELSA35T COIL JSE4 ERJ6GEY0R00 S.M.CARB 0.1W L856 EXCELSA39V COIL JA55 ERJ6GEY0R00...
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All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description R301 ERJ6GEYJ391 S.M.CARB 0.1W R601 ERJ6GEYJ101 S.M.CARB 0.1W R302 ERJ6GEYJ102 S.M.CARB 0.1W R602 ERJ6GEYJ821 S.M.CARB 0.1W R303 ERJ6GEYJ750 S.M.CARB 0.1W R603 ERJ8GEYJ103 S.M.CARB .125W R304 ERJ6GEYJ331...
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All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description R870 ERJ6GEYJ272 S.M.CARB 0.1W R1133 ERJ6GEYJ273 S.M.CARB 0.1W R871 ERJ6GEYJ153 S.M.CARB 0.1W R1136 ERJ6GEYJ823 S.M.CARB 0.1W R872 ERG1SJ183 METAL R1137 ERJ6GEY0R00 S.M.CARB 0.1W R873 ERG1SJ223 METAL...
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All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description 10nF R3002 ERJ6GEYJ471 S.M.CARB 0.1W C111 ECA1HMR33GB ELECT 10nF R3003 ERJ6GEYJ101 S.M.CARB 0.1W C117 ECUV1H103ZFX S.M. CAP 100nF R3004 ERJ6GEYJ153 S.M.CARB 0.1W C118 ECJ2VF1H104Z ELECT 350V...
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All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description 20µF 470pF C564 ECEA2AU2R2 ELECT 100V C853 ECKC2H471J CERAMIC 500V 20µF 100µF C565 ECQP1H273J FILM 100V C854 ECA1EM102GB ELECT 470pF 470pF C566 ECKC2H471J CERAMIC 500V C855...
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C3017 ECA1CM470GB ELECT 1.5nF C551 ECKC3D152J CERAMIC 560pF C3019 ECUV1H561JCX S.M. CAP 470nF C3020 ECJ3VB1C474K ELECT 3.5KV DIFFERENCES FOR MODEL TX-28LD4P 2.2nF C3021 ECUV1H222JCX S.M. CAP 2.2nF C3022 ECUV1H222JCX S.M. CAP 2.2nF MECHANICAL PARTS C3023 ECUV1H222JCX S.M. CAP 47µF C3024...
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All manuals and user guides at all-guides.com Cct Ref Parts Number Description Cct Ref Parts Number Description TNP8EY012AF Y P.C.B. MISCELLANEOUS COMPONENTS TPC8E4659 OUTER CARTON TPD8E655 TOP CUSHION TPD8E656 BOTTOM CUSHION I.C.s IC1103 XGL2-01AP EAROM * CAPACITORS 1.2nF C551 ECKC3D122J CERAMIC...
All manuals and user guides at all-guides.com SCHEMATIC DIAGRAMS FOR MODELS TX-28LD4P / TX-25LD4P (EURO-4 CHASSIS) IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturer's specified parts.
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