Panasonic QuintrixF TX-28PK20D Service Manual Download Page 44 | Manualshive

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Summary of Contents for QuintrixF TX-28PK20D

Page 1: ...ions 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 133W Standby Leistungsaufnahme 1 4W Antennenimpedanz 75Ω asymmetrisch Koaxial Typ Empfangssystem PAL B G H I D K PAL 525 60 SECAM B G D K L L M NTSC NTSC nur AV Eingang Empfangsbereiche VHF E2 E12 VHF H1 H2 ITALY VHF A H...

Page 2: ...the chassis 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 ist empfehlenswert einen Trenntransformator in die Stromversorgung zu schalten bevor Reparaturen an einem Gerät vorgenommen werden dessen Chassis unter Spannung steht 2 Bei der Durchführung vo...

Page 3: ...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 Für diese Messung keinen Trenntransformator verwenden 2 Einen 2kΩ 10W Widerstand in Serie mit einem von außen zugänglichen Metallteil am Fernsehgerät und einer guten Erdung z B Wasserleitung anschließen ...

Page 4: ...2 SERVICE HINWEISE ENTFERNEN DER GERÄTERÜCKWAND 1 Die 10 Schrauben entfernen siehe Abb 2 LOCATION OF CONTROLS LAGE DER EINSTELLREGLER 4 Fig 2 Abb 2 SCREWS SCHRAUBEN SCREWS SCHRAUBEN M Board Fig 3 Abb 3 Y Board E Board F Board Focus Fokusregler Screen Schirmgitteregler P Board Z Board ...

Page 5: ... to its original position before returning the receiver to the customer SERVICEPOSITION FÜR DAS CHASSIS 1 Entfernen Sie den Kabelbinder von der Netzleitung und befestigen Sie ihn mit einer Rückwandschraube am Gehäuse an der Position A Abb 4 2 Nach dem Lösen der zwei Schrauben B kann der rechte Lautsprecher Abb 5 ausgebaut werden 3 Das Chassis am hinteren Ende anheben und vorsichtig herausziehen Ab...

Page 6: ...ie dieses Produkt einen ersten Schritt in Richtung erweitertes interaktives Training bereitstellt ermöglicht es einen noch schnelleren Zugang zu technischen Informationen 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 Linked Utility Computer Interface Part number TZS6EZ002 This contains interface and ca...

Page 7: ...illoscope 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 2V 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 15 1V B7 8 0 5V B12 26 2V B8 6 1V B3 36 1 5V...

Page 8: ... 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 9: ...ontal Amplitude 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 ...

Page 10: ...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 11: ... 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 58 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 PROCESSOR 8 E26 1 E25 1 AV3 M2 6 E17 6 E15 8 6 4 2 M3 8 6...

Page 12: ...R R 7 Q252 Q251 2 L L 11 AUDIO OUTPUT L Z4 1 2 E10 1 2 5 6 5 6 IC2301 AUDIO AMP 5 7 3 1 Z2 1 Z5 2 R Mic In L Mic In IC2221 AUDIO AMP IC2201 AUDIO AMP 10 10 8 8 1 5 7 9 1 5 7 9 2 2 Z BOARD Q2302 Q2304 IC2101 DACM_R 24 SC3_IN_L 37 47 ANA_IN1 44 MONO IN DACM_L 25 SC3_IN_R 38 AV1 1 R OUT 3 L OUT 2 R IN 6 L IN SC2_OUT_R 27 SC2_OUT_L 28 SC2_IN_R 40 SC2_IN_L 39 AUDIO PROCESSOR 49 ANA_IN2 22 DACA_L SC1_OU...

Page 13: ...RVICE TEST IC1101 TUNER 50 SCL 2 SDA 2 SDA 1 SCL 1 Q451 71 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 51 AFC IC601 5 VIDEO PROCESSOR IC601 5 AV VIDEO SWITCH Q601 E16A 8 7 M1 8 7 D106...

Page 14: ...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 Degauss Coil M10 4 1 Line Filter Mains In M BOARD E70 11 18 19 20 F1 11 18 19 20 IC1502 53 IC1503 VIDEO PROCESSOR IC1504 1 Deflection Processor CONVERTER HOUT5V 3 3V 66 36 19 57 9 25 35 56 57 59 10 28 51 41 51 53 Q1502 3 5 6 8 9 11...

Page 15: ...n the exploded view below refer to the mechanical section of the Replacement Parts List Anmerking Die Nummer auf den mechanischen Teilen Zeigt die Bezugsnummer der Ersatzteilliste an 22 3 18 12 6 23 24 11 5 4 20 28 10 9 2 27 14 16 8 19 25 17 26 13 21 1 7 15 ...

Page 16: ...019 SET FOOT REAR TBLG3020 PRESET LABEL TBM8E1935 BLANKING LABEL TBM8E1936 1 AV PANEL LABEL TBM8E1942 LID CATCH TEK6940 BUTTON SPRING TES8E021 LED COVER TKP8E1288 I R COVER TKP8E1300 SPEAKER HORN TKXA04001A BRACKET TKZ8E0415 ROTATION COIL TLK8E05165 LED HOLDER TMW8E030 PCB BRACKET TMX8E041 OUTER CARTON TPC8E4748 CUSHION TOP TPD8E687 CUSHION BOTTOM TPD8E688 BATTERY PACK UM 3DJ 2P THERMISTOR R842 23...

Page 17: ...75A26A DIODE D890 MA165TA5 DIODE D891 MA165TA5 DIODE D901 1SS254T 77 DIODE D902 1SS254T 77 DIODE D903 1SS254T 77 DIODE D907 MA165TA5 DIODE D910 R2KNLFA1 LED D1061 LN81RPHCF3 DIODE D1101 MA165TA5 DIODE D1104 MA165TA5 DIODE D1105 MA165TA5 DIODE D1131 MTZJT 775 6C DIODE D2101 MA723TA5 DIODE D2102 MA723TA5 DIODE D2103 MA723TA5 DIODE D2104 MA723TA5 DIODE D2105 MTZJT 778 2C DIODE D2303 MA723TA5 DIODE D2...

Page 18: ...T COIL L501 EXCELSA35T COIL L581 ELHKLB026B COIL L582 ELC18B221L COIL L583 ELC18B150L COIL L584 ELHKLB061B COIL L586 EXCELDR35C COIL L606 ELESN100KA COIL L701 ELC18B271E COIL L704 ELC10D332E COIL L705 EXCELDR35V COIL L850 EXCELSA35T COIL L851 EXCELSA35T COIL L852 ELEIE470KA COIL L855 EXCELSA35T COIL L856 EXCELSA39V COIL L910 EXCELSA35T COIL L911 EXCELSA35T COIL L912 EXCELSA35T COIL L1061 TLT331K99...

Page 19: ...W 5 0 S M CARB JSF3 ERJ8GEY0R00 125W 5 0 S M CARB JSM7 ERJ6GEY0R00 0 1W 5 0 S M CARB JSM8 ERJ6GEY0R00 0 1W 5 0 S M CARB JSM10 ERJ6GEY0R00 0 1W 5 0 S M CARB JSY04 ERJ6GEY0R00 0 1W 5 0 S M CARB R101 ERJ6GEYJ331 0 1W 5 330 S M CARB R102 ERJ6GEYJ103 0 1W 5 10K S M CARB R103 ERJ6GEYJ102 0 1W 5 1K S M CARB R104 ERJ6GEYJ331 0 1W 5 330 S M CARB R105 ERJ6GEYJ101 0 1W 5 100 S M CARB R106 ERJ6GEYJ680 0 1W 5 ...

Page 20: ...S M CARB R719 ERJ6GEYJ224 0 1W 5 220K S M CARB R720 ERJ6GEYJ105 0 1W 5 1M S M CARB R721 ERJ6GEYJ563 0 1W 5 56K CARBON R805 ERD25TJ473 0 25W 5 47K CARBON R806 ERD25TJ100 0 25W 5 10 CARBON R807 ERD25TJ332 0 25W 5 3K3 CARBON R809 ERD25TJ681 0 25W 5 680 WOUND R810 ERW2PKR22 2W 5 22 WOUND R811 ERW2PKR22 2W 5 22 CARBON R812 ERD75TAJ825 0 75W 5 8M2 WOUND R813 ERF7ZK2R7 7W 20 2R7 CARBON R814 ERD25TJ473 0 ...

Page 21: ...ERJ6GEYJ221 0 1W 5 220 S M CARB R1175 ERJ6GEYJ225 0 1W 5 2M2 S M CARB R1178 ERJ6GEY0R00 0 1W 5 0 S M CARB R1251 ERJ6GEYJ222 0 1W 5 2K2 S M CARB R1252 ERJ6GEYJ222 0 1W 5 2K2 S M CARB R1253 ERJ6GEYJ332 0 1W 5 3K3 S M CARB R1254 ERJ6GEYJ512 0 1W 5 5K1 S M CARB R1255 ERJ6GEYJ912 0 1W 5 9K1 S M CARB R1501 ERJ6GEYJ101 0 1W 5 100 S M CARB R1502 ERJ6GEYJ101 0 1W 5 100 S M CARB R1504 ERJ6GEYJ750 0 1W 5 75 ...

Page 22: ...RJ6GEYJ223 0 1W 5 22K S M CARB R2216 ERJ6GEYJ222 0 1W 5 2K2 S M CARB R2217 ERJ6GEYJ102 0 1W 5 1K S M CARB R2218 ERJ6GEYJ151 0 1W 5 150 S M CARB R2219 ERJ6GEYJ222 0 1W 5 2K2 S M CARB R2220 ERJ6GEYJ183 0 1W 5 18K S M CARB R2221 ERJ6GEYJ393 0 1W 5 39K S M CARB R2222 ERJ6GEYJ103 0 1W 5 10K S M CARB R2223 ERJ6GEYJ103 0 1W 5 10K S M CARB R2224 ERJ6GEYJ682 0 1W 5 6K8 S M CARB R2226 ERJ6GEYJ272 0 1W 5 2K7...

Page 23: ...F S M CAP C256 ECUV1H103KBX 50V 10nF ELECT C258 ECEA1CU100 16V 10µF ELECT C260 ECA1VM102GB 35V 1nF ELECT C261 ECA1VM102GB 35V 1nF ELECT C264 ECA1HHG222E 50V 2200µF ELECT C267 ECJ2VB1H104K 350V 100nF ELECT C268 ECJ2VB1H104K 350V 100nF ELECT C270 ECJ2VB1H104K 350V 100nF S M CAP C350 ECUV1H102JCX 50V 1nF S M CAP C352 ECUV1H224ZFX 50V 220nF S M CAP C353 ECUV1H104KBX 50V 100nF FILM C354 ECQM2104KZ 250V...

Page 24: ... CAP C1123 ECUV1H471JCX 50V 470pF S M CAP C1124 ECUV1H221JCX 50V 220pF S M CAP C1125 ECUV1H221JCX 50V 220pF S M CAP C1126 ECUV1H221JCX 50V 220pF S M CAP C1127 ECUV1H561JCX 50V 560pF S M CAP C1129 ECUV1H270JCX 50V 27pF S M CAP C1501 ECUV1H271JCX 50V 270pF S M CAP C1502 ECUV1H271JCX 50V 270pF S M CAP C1503 ECUV1H271JCX 50V 270pF S M CAP C1504 ECUV1H271JCX 50V 270pF S M CAP C1505 ECUV1H271JCX 50V 270...

Page 25: ... CAP C2141 ECUV1H152JCX 50V 1 5pF S M CAP C2200 ECUV1H562KBX 50V 5 6nF S M CAP C2203 ECUV1H153KBX 50V 15nF S M CAP C2205 ECUV1H562KBX 50V 5 6nF S M CAP C2207 ECUV1H103KBX 50V 10nF S M CAP C2208 ECUV1H683KBX 50V 68nF S M CAP C2209 ECUV1H681JCX 50V 680pF ELECT C2211 ECJ2VB1C104K 350V 100nF ELECT C2212 ECJ2VB1C104K 350V 100nF S M CAP C2213 ECUV1H473KBX 50V 47nF S M CAP C2215 ECUV1H103KBX 50V 10nF S M...

Page 26: ...ERENCES FOR MODEL TX 28PK20D MECHANICAL PARTS E P C B 27 TNP8EE013BC MODEL LABEL 28 TQF8E3072 INSTRUCTION BOOKS GERMAN TQB8E3086A ITALIAN TQB8E3086C FRENCH TQB8E3086D I C s EAROM IC1103 X24LM3 1DD DIFFERENCES FOR MODEL TX 28PK20F MECHANICAL PARTS E P C B 27 TNP8EE013AP MODEL LABEL 28 TQF8E3040 INSTRUCTION BOOKS GERMAN SPANISH TQB8E3262AE DUTCH FRENCH TQB8E3262BD SWEDISH NORG TQB8E3262FG SUOMI DANI...

Page 27: ...NGEN 1 The 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 geke...

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Page 35: ... DIODES D351 B3 D352 B3 D361 B2 D362 A1 D371 D2 D372 C2 D373 C3 D374 A1 D375 B2 D376 B3 D377 A2 D378 C2 D387 B1 D901 C1 D902 C1 D903 C1 D910 C1 D911 D2 D912 D1 D3351 A2 D3352 A3 D3353 A1 D3354 C3 T P S TPY1 B3 TPY2 A2 TPY3 C2 TPKR B3 TPKG B2 TPKB C2 I C S IC351 B2 IC361 A1 IC371 C3 IC381 C3 1 2 3 A B C D 33 ...

Page 36: ...55 J5 D604 K8 Q856 F9 D609 M5 TPs Q857 J4 D620 J9 TPE1 M4 Q1051 C8 D701 K5 TPE10 B5 Q1052 A9 D702 K8 TPE11 N5 Q1101 F7 D703 K8 TPE12 K4 Q1104 D6 D704 K5 TPE13 M4 Q1105 C6 D705 K5 TPE14 L4 Q1106 D7 D706 K5 TPE2 I5 Q1107 C7 D707 J4 TPE3 E5 Q1108 F9 D708 M5 TPE4 G5 Q2101 G10 D709 M5 TPE5 G5 Q2102 I8 D710 J5 TPE6 J10 Q2103 I8 D801 E1 TPE7 I9 Q2301 M6 D802 G2 TPE8 F5 Q2302 I7 D803 H1 TPE9 F5 Q2303 M6 D...

Page 37: ...F BOARD TNP8EF007 TRAN S Q1502 C3 Q1503 C3 Q1504 C2 Q1505 D3 Q1506 C3 Q1507 C3 Q1514 C2 Q1515 C2 I C S IC1501 B1 IC1502 A2 IC1503 A3 IC1504 B3 1 2 3 A B C D 34 ...

Page 38: ...F BOARD TNP8EF007 TRAN S Q1501 C3 Q1508 C1 Q1509 C2 Q1510 C2 Q1511 C1 Q1512 D1 Q1513 C1 1 2 3 A B C D ...

Page 39: ...P BOARD TNP8EP017 DIODES D580 C1 D581 C1 1 2 3 A B C D E ...

Page 40: ...ORS Q1061 B1 Q1062 B2 Q3201 B7 Q3202 B7 Q3203 B6 Q3204 B6 Q3205 B7 Q3206 B7 Q3207 B7 Q3208 B7 Q3209 B8 Q1900 C9 DIODES D1061 A2 D3201 B8 D3202 B8 D3203 B8 D1900 D8 IC S IC1061 A1 IC1900 C8 IC1901 D8 C B A 1 2 3 4 5 6 7 8 9 D 35 ...

Page 41: ...Z BOARD TNP8EZ003 TRAN S Q2201 D2 Q2202 C6 Q2203 F2 IC S IC2201 C4 IC2221 C7 IC2302 B2 F E D C B A 1 2 3 4 5 6 7 8 9 36 ...

Page 42: ...37 NOTES ...

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