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Panasonic TX-25AS10D/M, Service Manual

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Panasonic TX-25AS10D/M Service Manual Download Page 25

Summary of Contents for TX-25AS10D/M

Page 1: ...OR OUT Audio RCAx2 500mV rms 1kΩ AV1 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ RGB 21 pin AV1 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ AV2 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ S Video IN Y 1V p p 75Ω 21 pin C 0 3V p p 75Ω AV2 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ Selectable output 21 pin AV3 IN S Video IN Y 1V p p 75Ω 4 pin C 0 3V p p 7...

Page 2: ...ic cabinet part on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to 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 LEAKAGE CURRENT HOT CHECK 1 Plug the a c cord directly into the a c outlet Do not use an isolation tra...

Page 3: ...SERVICE HINTS How to remove the rear cover 1 Remove the 8 screws as shown in Fig 2 LOCATION OF CONTROLS 3 Fig 2 SCREWS SCREWS Fig 3 M Board Y Board E Board F Board Focus Screen P Board Q Board ...

Page 4: ...5 3 Release the respective wiring clips and move the EHT lead around to the left side of the CRT neck 4 Elevate the chassis as shown in Fig 6 5 Using a speaker screw screw the chassis frame into the top speaker fixing rib B as shown in Fig 6 6 After servicing replace the speaker and ensure all wiring is returned to its original position before returning the receiver to the customer 4 A Fig 5 Fig 4...

Page 5: ...the black level is 160V 5V press STR to store the value Remove the oscilloscope Select Ug2 adjustment and adjust the screen VR until the display shows O K FACTORY SETTINGS Self check is used to automatically check the bus lines and hexadecimal code of the TV set To enter Self Check mode press the down v button on the customer controls at the front of the TV set at the same time pressing the STATUS...

Page 6: ...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 7: ...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 8: ...UT 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 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 E26 1 E25 1 C I P VIDEO PROCESSOR DEFLECTION PROC...

Page 9: ...T 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 49 ANA_IN2 Q103 44 MONO IN 9 ...

Page 10: ...E 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 PROCESSOR IC601 5 AV VIDEO SWITCH RC E18 7 6 5 4 3 SDA 1 SCL 1 SDA 2 SCL 2 SERVICE TEST Q601 M1 E19 4 8 4 8 IC1061 REMOTE CONTROL RECEIVER D1071 F1 13 21 22 E70 13 21 22 SCL 1 SDA 1 E8 6 SENSE CONVERTER 68 54 17 20 29 62 IC1504 IC1503 67 21 DEFLECTION PROCESSOR IC1501 VIDEO ...

Page 11: ...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 E19 2 M1 2 IC1061 REMOTE CONTROL RECEIVER Degauss Coil M1 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...

Page 12: ...PARTS LOCATION 12 NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List 19 4 24 11 7 1 10 6 5 17 23 9 8 3 22 12 14 20 15 21 18 13 2 16 ...

Page 13: ...DJ 2P I C s AUDIO OUTPUT IC251 LA4282 R G B PROCESSOR IC351 TDA6101Q N3 R G B PROCESSOR IC361 TDA6101Q N3 R G B PROCESSOR IC371 TDA6101Q N3 REGULATOR IC381 TL431CLPM VERTICAL OUTPUT IC451 LA7845N VIDEO SWITCHING IC601 TEA2114 E W CORRECTION IC701 TEA2031A POWER SUPPLY IC801 STRF6656LF57 ERROR AMPLIFIER IC850 SE140N 12V REGULATOR IC851 AN7812LB1 9V REGULATOR IC852 AN78M09LB 8V REGULATOR IC853 AN78L...

Page 14: ...MA723TA5 DIODE D2104 MA723TA5 DIODE D2105 MTZJT 778 2C DIODE D2303 MA723TA5 DIODE D2304 MA723TA5 DIODE D3201 MTZJT 778 2C DIODE D3202 MTZJT 778 2C DIODE D3351 1SS254T 77 DIODE D3352 MA165TA5 DIODE D3353 MA165TA5 DIODE D3354 MA165TA5 THERMISTOR R842 232266296706 THERMISTOR R843 232266296706 TRANSISTORS TRANSISTOR Q101 BC847B TRANSISTOR Q102 BC847B TRANSISTOR Q103 BC847B TRANSISTOR Q104 BC847B TRANS...

Page 15: ...1104 EXCELSA35T COIL L1105 ELJFC2R2KF COIL L1501 ELESN2R2KA COIL L1502 ELESN2R2KA COIL L1503 ELESN2R2KA COIL L1504 ELESN2R2KA COIL L1505 ELESN100KA COIL L1506 ELESN100KA COIL L1507 ELESNR22KA COIL L1508 ELESNR22KA COIL L1509 ELESN100KA COIL L1510 ELESN100KA COIL L1514 ELESN100KA COIL L1515 ELESNR39KA COIL L1516 ELESN4R7KA COIL L1517 ELESN4R7KA COIL L1518 ELESN4R7KA COIL L1519 ELESNR39KA COIL L1520...

Page 16: ...5K6 S M CARB R117 ERJ6GEYJ222 0 1W 5 2K2 S M CARB R118 ERJ6GEYJ102 0 1W 5 1K S M CARB R121 ERJ6GEYJ471 0 1W 5 470 S M CARB R251 ERJ6GEYJ181 0 1W 5 180 S M CARB R252 ERJ6GEYJ432 0 1W 5 4K3 S M CARB R253 ERJ6GEYJ103 0 1W 5 10K S M CARB R254 ERJ6GEYJ181 0 1W 5 180 S M CARB R255 ERJ6GEYJ103 0 1W 5 10K S M CARB R256 ERJ6GEYJ471 0 1W 5 470 S M CARB R257 ERJ6GEYJ560 0 1W 5 56 S M CARB R258 ERJ6GEYJ432 0 ...

Page 17: ...2 0 1W 5 1K METAL R854 ERG2FJ223 2W 5 22K S M CARB R855 ERJ6GEYJ752 0 1W 5 7K5 S M CARB R856 ERJ6GEYJ752 0 1W 5 7K5 S M CARB R857 ERJ6GEYJ752 0 1W 5 7K5 S M CARB R858 ERJ6GEYJ752 0 1W 5 7K5 S M CARB R859 ERJ6GEYJ753 0 1W 5 75K CARBON R861 ERDS2TJ221T 0 5W 5 220 CARBON R862 ERD25TJ272F 0 25W 5 2K7 CARBON R863 ERDS1TJ560 0 5W 5 56 CARBON R864 ERDS1TJ151 0 5W 5 150 S M CARB R865 ERJ6GEY0R00 0 1W 5 0 ...

Page 18: ...J750 0 1W 5 75 S M CARB R1511 ERJ6GEYJ750 0 1W 5 75 S M CARB R1512 ERJ6GEYJ391 0 1W 5 390 S M CARB R1513 ERJ6GEYJ102 0 1W 5 1K S M CARB R1514 ERJ6GEYJ472 0 1W 5 4K7 S M CARB R1515 ERJ6GEYJ752 0 1W 5 7K5 S M CARB R1517 ERJ6GEY0R00 0 1W 5 0 S M CARB R1521 ERJ6GEYJ750 0 1W 5 75 S M CARB R1522 ERJ6GEYJ391 0 1W 5 390 S M CARB R1523 ERJ6GEYJ331 0 1W 5 330 S M CARB R1524 ERJ6GEYJ102 0 1W 5 1K S M CARB R1...

Page 19: ...5K S M CARB R3211 ERJ6GEYJ223 0 1W 5 22K S M CARB R3212 ERJ6GEYJ223 0 1W 5 22K S M CARB R3213 ERJ6GEYJ102 0 1W 5 1K S M CARB R3214 ERJ6GEYJ683 0 1W 5 68K S M CARB R3215 ERJ6GEYJ302 0 1W 5 3K S M CARB R3216 ERJ6GEYJ750 0 1W 5 75 S M CARB R3217 ERJ6GEYJ223 0 1W 5 22K S M CARB R3218 ERJ6GEYJ223 0 1W 5 22K S M CARB R3219 ERJ6GEYJ102 0 1W 5 1K S M CARB R3220 ERJ6GEYJ683 0 1W 5 68K S M CARB R3221 ERJ6GE...

Page 20: ...2 ECWF4474JBB 400V 470nF FILM C583 ECWH20562JVB 200V 5 6nF FILM C584 ECWH20562JVB 200V 5 6nF FILM C586 ECQF4153JZH 400V 1 5nF FILM C587 ECQM4223KC 400V 220nF S M CAP C608 ECUV1H103KBX 50V 10nF S M CAP C609 ECUV1H270JCX 50V 27pF S M CAP C623 ECUV1H121JCX 50V 120pF S M CAP C624 ECUV1H121JCX 50V 120pF FILM C625 ECQV1H224JL3 50V 220nF ELECT C626 ECA1CM100GB 16V 10µF CERAMIC C627 ECJ2VB1C104K 16V 100nF...

Page 21: ...31 ECJ2VB1C104K 16V 100nF ELECT C1532 ECEA1CKA100 16V 10µF S M CAP C1540 ECUV1H222JCX 50V 2 2nF CERAMIC C1541 ECJ2VB1H333K 50V 33nF CERAMIC C1542 ECJ2VB1H333K 50V 33nF CERAMIC C1543 ECJ2VB1C224K 16V 220nF CERAMIC C1544 ECJ2VB1H333K 50V 33nF ELECT C1545 ECEA1CKA100 16V 10µF ELECT C1546 ECEA1CKA100 16V 10µF CERAMIC C1547 ECJ2VB1H103K 50V 10nF CERAMIC C1548 ECJ2VB1H103K 50V 10nF CERAMIC C1549 ECJ2VB1...

Page 22: ...561JCX 50V 560pF CERAMIC C3020 ECJ3VB1C474K 16V 470nF S M CAP C3021 ECUV1H222JCX 50V 2 2nF S M CAP C3022 ECUV1H222JCX 50V 2 2nF S M CAP C3023 ECUV1H222JCX 50V 2 2nF ELECT C3024 ECA1CM470GB 16V 47µF S M CAP C3026 ECUV1H561JCX 50V 560pF CERAMIC C3027 ECJ3VB1C474K 16V 470nF S M CAP C3028 ECUV1H222JCX 50V 2 2nF S M CAP C3030 ECUV1H271JCX 50V 270pF S M CAP C3031 ECUV1H271JCX 50V 270pF S M CAP C3032 ECU...

Page 23: ...f printing and are subject to change without notice REMARKS a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure Connect the ea...

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Page 30: ... 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 27 ...

Page 31: ...57 J4 D705 K5 TPE1 M4 Q1051 C8 D706 K5 TPE10 B5 Q1052 A9 D707 J4 TPE11 N5 Q1101 F7 D708 M5 TPE12 K4 Q1104 D6 D709 M5 TPE13 M4 Q1105 C6 D710 J5 TPE14 L4 Q1106 D7 D801 E1 TPE2 I5 Q1107 C7 D802 G2 TPE3 E5 Q1108 F9 D803 H1 TPE4 G5 Q2101 G10 D804 H1 TPE5 G5 Q2102 I8 D805 H2 TPE6 J10 Q2103 I8 D806 G2 TPE7 I9 Q2301 M6 D850 H4 TPE8 F5 Q2302 I7 D851 I4 TPE9 F5 Q2303 M6 D852 I4 Q2304 I7 D853 H3 ICs Q3006 N1...

Page 32: ...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 28 ...

Page 33: ...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 34: ...061 B8 Q1062 B8 Q1900 B1 Q1901 B1 Q3201 B2 Q3202 B2 Q3203 B2 Q3204 B2 Q3205 B2 Q3206 B2 Q3207 B2 Q3208 B2 Q3209 B2 DIODES D1055 C8 D1061 C8 D1900 C1 D3201 B4 D3202 B4 D3203 B4 IC S IC1061 C8 IC1900 B1 IC1901 B1 C B A 1 2 3 4 5 6 7 8 9 ...

Page 35: ...P BOARD TNP8EP017 DIODES D580 C1 D581 C1 1 2 3 29 A B C D E ...

Page 36: ...Q BOARD TNP8EQ003 30 ...

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