Panasonic TX-28SL20C, Service Manual

Page 1: ...mensions shown are approximate NOTE This Service Manual should be used in conjunction with the EURO 4H technical guide TECHNISCHE DATEN Netzpannung 220 240V a c 50Hz Leistungsaufnahme 121W Standby Leistungsaufnahme 1 4W Antennenimpedanz 75Ω asymmetrisch Koaxial Typ Empfangssystem PAL B G H D K PAL 525 60 SECAM B G D K M NTSC NTSC nur AV Eingang Empfangsbereiche VHF E2 E12 VHF H1 H2 ITALY VHF A H I...

Page 2: ...ng erweitertes interaktives Training bereitstellt ermöglicht es einen noch schnelleren Zugang zu technischen Informationen Um Servicearbeiten auf dem F Bord durchzuführen steht ein Satz Verlängerungskabel unter der Bestellnummer TZS9EK008 zur Verfügung Service Aids To aid in the service of our current chassis there are a number of Service Aids which have been made available LUCI interface kit Link...

Page 3: ...cilloscope Select Ug2 adjustment and adjust the screen VR until the display shows O K ABGLEICH Vorbereitungen Abgleich B Abgleich 1 Testbild empfangen Helligkeit auf Minimum Kontrast auf Minimum Lautstärke Minimum 1 Mit R811 muß die B2 auf 148V 1V eingestellt werden 2 Folgende Spannungen sind zu überprüfen B9 5 0 25V B10 5 0 25V B5 12 0 5V B11 33 1 5V B4 16 1V B7 8 0 5V B12 26 2V B8 6 0 5V B3 36 1...

Page 4: ... Pin 39 275mV 64µs 64µs 3V H Out IC601 Pin 50 Vert Out IC601 Pin 31 20ms 0 7V 13µs 3 7V SCL IC1201 Pin 3 R Out E8 Pin 5 64µs 4 6V HFLB IC601 Pin 13 64µs 6 2V R Out IC601 Pin 37 64µs 275mV G Out IC601 Pin 38 275mV 64µs Vert Drive IC451 Pin 2 20ms 57V HFLB IC701 Pin 8 64µs 1 5V G Out E8 Pin 3 64µs 4 4V SVM Out IC601 Pin 34 88mV 64µs H Out IC701 Pin 5 30mV 64µs ...

Page 5: ...mplitude H Amp 055 Optimum setting Vert Amplitude V Amp 054 Optimum setting EW amplitude E W Amp1 128 Optimum setting EW amplitude E W Amp2 006 Optimum setting Trapezium comp Trapez 1 047 Optimum setting Trapezium comp Trapez 2 128 Optimum setting Vertical Linearity V Lin 006 Optimum setting Vertical Symmetry V Sym 002 Optimum setting DVCO DVCO 005 Receive a PAL Colour Bar Pattern For DVCO alignme...

Page 6: ...stellung Horizontale Amplitude H Amp 055 Optimale Einstellung Vertikale Amplitude V Amp 054 Optimale Einstellung OW amplitude E W Amp1 128 Optimale Einstellung OW amplitude E W Amp2 006 Optimale Einstellung Trapez Kompensation Trapez 1 047 Optimale Einstellung Trapez Kompensation Trapez 2 128 Optimale Einstellung Vertikale linearität V Lin 006 Optimale Einstellung Vertikale Symmetrie V Sym 002 Opt...

Page 7: ... 3 9 IC351 R OUT 27 33 34 35 28 29 26 30 25 3 2 1 6 7 8 9 E70 27 33 34 35 28 29 26 30 25 3 2 1 6 7 8 9 F1 Q1502 Q1503 Q1504 Q1508 Q1509 Q1510 Q1505 Q1506 Q1507 Q1511 Q1512 Q1513 3 9 IC371 B OUT 3 9 IC361 G OUT F BOARD 25 26 24 23 33 31 32 Q1501 64 61 60 63 62 IC1504 IC1501 IC1502 67 65 63 IC1101 R 37 CVBS 68 G 38 B 39 MICRO PROCESSOR IC601 AV VIDEO SWITCH 6 3 C I P VIDEO PROCESSOR DEFLECTION PROCE...

Page 8: ...R 30 SC1_OUT_L 31 1 R OUT 3 L OUT 1 R OUT 3 L OUT 2 R IN 6 L IN 2 R IN 6 L IN 47 ANA_IN1 DACM_L 25 SC1_IN_R 42 SC1_IN_L 41 SC2_OUT_R 27 SC2_OUT_L 28 SC2_IN_R 40 SC2_IN_L 39 E BOARD AUDIO PROCESSOR Q2303 Q2301 Q2302 22 DACA_L Q2304 21 DACA_R E6 1 E7 3 IC251 Q2102 Q2103 5 R R 7 Q252 Q251 2 L L 11 AUDIO OUTPUT 11 ...

Page 9: ... 5 4 3 SDA 1 SCL 1 SDA 2 SCL 2 SERVICE TEST IC1101 TUNER 50 SCL 2 SDA 2 SDA 1 SCL 1 Q451 71 LOCAL KEYS SWITCH MATRIX 60 Q854 52 Q853 74 Q1052 81 Q856 75 Q851 Q1106 Q1105 Q1107 Q1104 51 72 73 59 58 Q3006 Q3007 55 VPROT KEYSCAN ON OFF RC LED PROT 1 SLOW 2 OUT IN SLOW 1 SERVICE SCL SDA 48 49 SCL SDA E BOARD IC2101 4 8 7 AUDIO PROCESSOR MICRO PROCESSOR IC1103 6 5 EAROM Q1051 AFC 61 AFC IC601 5 VIDEO P...

Page 10: ...SOR EPROM EAROM IC1105 2 RESET REG REG REG IC1501 31 C I P IC701 6 EW CORRECTION POWER SUPPLY IC451 7 9 2 V OUTPUT AUDIO OUTPUT D801 E BOARD Y BOARD E3 2 Y3 2 E1 4 1 E2 2 1 R802 Line Filter IC351 6 R OUT 12V IC601 7 E19 2 N1 2 IC1071 REMOTE CONTROL RECEIVER Degauss Coil W1 4 1 Line Filter Mains In W BOARD E70 11 18 19 20 F1 11 18 19 20 IC1502 53 IC1503 VIDEO PROCESSOR IC1504 1 Deflection Processor...

Page 11: ...EK6940 POWER BUTTON SPRING TES8E015 LED HOLDER TMW8E027 OUTER CARTON TPC8E4813 TOP CUSHION TPD8E655 BOTTOM CUSHION TPD8E656 BATTERY PACK UM 3DJ 2P PCB BRACKET PCH2 TMX8E041 PCB BRACKET PCH3 TMX8E041 THERMISTOR R802 232266296706 INSTRUCTION BOOKS GERMAN TQB8E2890A I C s AUDIO OUTPUT IC251 LA4282 RGB OUTPUT IC351 TDA6111Q N4 RGB OUTPUT IC361 TDA6111Q N4 RGB OUTPUT IC371 TDA6111Q N4 REGULATOR IC381 T...

Page 12: ...E D3354 MA165TA5 TRANSISTORS TRANSISTOR Q101 BC847B TRANSISTOR Q102 BC847B TRANSISTOR Q104 BC847B TRANSISTOR Q105 BC847B TRANSISTOR Q251 2SD1328STX TRANSISTOR Q252 2SD1328STX TRANSISTOR Q253 BC847B TRANSISTOR Q254 BC847B TRANSISTOR Q351 2SA1767 TRANSISTOR Q361 2SA1767 TRANSISTOR Q371 2SA1767 TRANSISTOR Q451 BC857B TRANSISTOR Q503 2SK2926TPE6 TRANSISTOR Q551 2SC5144LB228 TRANSISTOR Q552 2SC1473 RN ...

Page 13: ...M CARB C510 ERJ6GEY0R00 0 1W 5 0 S M CARB JA1 ERJ6GEY0R00 0 1W 5 0 S M CARB JA2 ERJ6GEY0R00 0 1W 5 0 S M CARB JA3 ERJ6GEY0R00 0 1W 5 0 S M CARB JA4 ERJ6GEY0R00 0 1W 5 0 S M CARB JA5 ERJ6GEY0R00 0 1W 5 0 S M CARB JA6 ERJ6GEY0R00 0 1W 5 0 S M CARB JA7 ERJ6GEY0R00 0 1W 5 0 S M CARB JA8 ERJ6GEY0R00 0 1W 5 0 S M CARB JA9 ERJ6GEY0R00 0 1W 5 0 S M CARB JA10 ERJ6GEY0R00 0 1W 5 0 S M CARB JA12 ERJ6GEY0R00 ...

Page 14: ...80 S M CARB R377 ERJ6GEYJ822 0 1W 5 8K2 CARBON R378 ERDS1TJ821 0 5W 5 820 CARBON R379 ERD25TC0T 0 25W 5 0 METAL R385 ERQ12HJ1R2 0 5W 5 1R2 S M CARB R394 ERJ6GEYJ821 0 1W 5 820 S M CARB R396 ERJ6GEYJ821 0 1W 5 820 S M CARB R398 ERJ6GEYJ821 0 1W 5 820 S M CARB R451 ERJ6GEYJ223 0 1W 5 22K S M CARB R452 ERJ6GEY0R00 0 1W 5 0 S M CARB R453 ERJ6GEY0R00 0 1W 5 0 S M CARB R454 ERJ6GEYJ393 0 1W 5 39K S M CA...

Page 15: ... CARBON R941 ERD25TJ5R6 0 25W 5 5R6 S M CARB R1051 ERJ6GEYJ102 0 1W 5 1K S M CARB R1052 ERJ6GEYJ471 0 1W 5 470 S M CARB R1053 ERJ6GEYJ103 0 1W 5 10K S M CARB R1054 ERJ6GEY0R00 0 1W 5 0 S M CARB R1071 ERJ6GEYJ750 0 1W 5 75 S M CARB R1101 ERJ6GEYJ101 0 1W 5 100 S M CARB R1102 ERJ6GEYJ102 0 1W 5 1K S M CARB R1103 ERJ6GEYJ331 0 1W 5 330 S M CARB R1104 ERJ6GEYJ331 0 1W 5 330 S M CARB R1105 ERJ6GEYJ101 ...

Page 16: ...01 0 1W 5 100 S M CARB R1566 ERJ6GEYJ101 0 1W 5 100 S M CARB R1567 ERJ6GEYJ101 0 1W 5 100 S M CARB R1568 ERJ6GEYJ101 0 1W 5 100 S M CARB R1569 ERJ6GEYJ101 0 1W 5 100 S M CARB R1570 ERJ6GEYJ101 0 1W 5 100 S M CARB R1571 ERJ6GEYJ101 0 1W 5 100 S M CARB R1572 ERJ6GEYJ101 0 1W 5 100 S M CARB R1573 ERJ6GEYJ101 0 1W 5 100 S M CARB R1574 ERJ6GEYJ682 0 1W 5 6K8 S M CARB R1575 ERJ6GEY0R00 0 1W 5 0 S M CARB...

Page 17: ...Q S M CAP C373 ECUV1H104KBX 50V Q FILM C374 ECQM2104KZ 250V Q CERAMIC C375 ECKC2H102J 500V Q S M CAP C378 ECUV1H222JCX 50V Q ELECT C381 ECA1HM101GB 50V ELECT C382 ECA1CM471GB 16V S M CAP C383 ECUV1H103KBX 50V Q FILM C384 ECQM2104KZ 250V Q ELECT C385 ECA2EM220B 250V CERAMIC C386 ECKC3D152J 2KV Q FILM C395 ECQM1H104J 50V Q ELECT C396 ECJ2VF1H104Z 350V Q S M CAP C451 ECUV1H102JX 50V Q S M CAP C453 EC...

Page 18: ...CUV1H271JCX 50V S S M CAP C1502 ECUV1H271JCX 50V S S M CAP C1503 ECUV1H271JCX 50V S S M CAP C1504 ECUV1H271JCX 50V S S M CAP C1505 ECUV1H271JCX 50V S S M CAP C1506 ECUV1H271JCX 50V S S M CAP C1507 ECUV1H271JCX 50V S S M CAP C1508 ECUV1H271JCX 50V S FILM C1509 ECQM1H684J 50V Q FILM C1510 ECQM1H684J 50V Q FILM C1511 ECQM1H684J 50V Q FILM C1512 ECQM1H684J 50V Q S M CAP C1513 ECUV1H102JCX 50V Q ELECT ...

Page 19: ... 50V S ELECT C2129 ECA1CM102B 16V ELECT C2130 ECA1CM331B 16V S M CAP C2134 ECUV1H103ZFX 50V Q ELECT C2135 ECA1HM101GB 50V ELECT C2136 ECJ2VF1H104Z 350V Q ELECT C2137 ECA1CM100GB 16V S M CAP C2138 ECUV1H471KBX 50V S S M CAP C2139 ECUV1H221JCX 50V S ELECT C2140 ECA1HM101GB 50V S M CAP C2141 ECUV1H152JCX 50V S S M CAP C2301 ECUV1H222JCX 50V Q ELECT C2302 ECA1CM470GB 16V S M CAP C2303 ECUV1H222JCX 50V...

Page 20: ...Power Supply Circuit contains a circuit area which uses a separate power supply to isolate the earth connection The circuit is defined by HOT and COLD indications in the schematic diagram All circuits except the Power Circuit are COLD Take the following precautions 1 Das Schaltnetzteil enthält Bereiche die direkt mit dem Netz verbunden sind Diese Bereiche sind im Schaltplan mit HOT gekennzeichnet ...

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