Panasonic TX-W28R4DP Скачать руководство пользователя страница 40

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TRAN’S

Q2706 G10
Q2705 H6
Q2704 G7
Q2703 G9
Q2702 F9
Q2701 F9

DIODES

D2720 E6
D2719 H10
D2718 G10
D2717 F3
D2716 F2
D2715 F6
D2714 F5
D2713 F8
D2712 F8
D2711 E7
D2710 C8
D2709 C2
D2708 C3
D2707 D6
D2706 C3
D2705 B5

IC’S

IC2704 F3
IC2703 F6
IC2702 G8
IC2701 B4

TP’S

TPC1

TPC2

TPC3

C - BOARD TNP8EC003

Содержание TX-W28R4DP

Страница 1: ... PC to allow a number of diagnostic and control functions to be performed For more details contact your local Panasonic company BACK EXIT TX W28R4DP Service Manual Safety Specifications Block Diagrams Schematic Diagrams PCB Views Self Check Service Information Parts List Service Hints Disassembly Location of Controls Waveforms Mechanical View Adjustments ...

Страница 2: ...BACK BACK BACK H Schematic C Schematic M Schematic K Schematic E Schematic P Schematic Y Schematic K PCB C PCB M PCB Y PCB E PCB Audio Dolby Video Control Power supply ...

Страница 3: ...Selectable Output 21 pin AV3 IN S Video IN Y 1V p p 75Ω 4 pin C 0 3V p p 75Ω Audio RCAx2 500mV rms10kΩ Video RCAx1 1V p p 75Ω Dolby Surround Out 5 x Dolby Surround Out RCA Rear External Speaker connections 2 x Surround 1 x External Centre High Voltage 30 5kV 1kV Picture Tube W66EHK51X35 66cm Audio Output Front Left Right 2 x 20W Music Power External Centre 20W 3D Sub Woofer 26W Surround 2 x 15W 8Ω...

Страница 4: ...d metallic 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 AC cord directly into the AC outlet Do not use an isolati...

Страница 5: ...SERVICE HINTS How to remove the rear cover 1 Remove the 9 screws as shown in Fig 2 LOCATION OF CONTROLS 3 SCREWS Fig 2 K Board E Board M Board Focus Screen H Board Fig 3 C Board P Board Y Board ...

Страница 6: ...e chassis toward you as shown in Fig 4 3 Release the respective wiring clips and rotate the chassis vertically through 90 anti clockwise 4 Locate the base of the chassis frame into the hole B shown in Fig 6 5 Clip the chassis frame onto the bead clamper shown in Fig 5 6 After servicing replace the bead clamper and ensure all wiring is returned to its original position before returning the receiver...

Страница 7: ...switch the TV on 2 Enter Service Mode as explained above The screen will show 3 Press the BLUE button on the remote control The screen will show 4 Press the STR button on the TV The screen will show 5 All the tuning information stored inside the TV will now be transferred to the Memory Pack This process will take 2 3 minutes to complete and when finished the screen will show Memory Pack to TV proc...

Страница 8: ...er button Self Check is also used to automatically check the bus lines and hexadecimal code of the TV set If the CCU ports have been checked and found to be incorrect or not located then will appear in place of O K For more in depth TV diagnostics use the LUCI interface as listed below Service Aids To aid in the service of our current chassis there are a number of Service Aids which have been made...

Страница 9: ...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 ...

Страница 10: ...al Linearity V Lin 006 Optimum setting Vertical Symmetry V Sym 002 Optimum setting DVCO DVCO 005 Receive a PAL Colour Bar Pattern For DVCO alignment press Blue button wait until the colours are changing slowly and press STR Cut off DC Cut off 0171 Ug2 Test Ug2 055 O K To adjust Cutoff connect an oscilloscope to the blue cathode adjust cutoff value using the Yellow and Blue buttons until the black ...

Страница 11: ...HG OXH UHHQ 9LGHR Q 9 9LGHR 2XW G OUT 38 R OUT 37 G IN 46 R IN 45 Q354 VM COILS Q905 Q907 Q909 Q908 Q906 SVM OUT 34 E8 4 3 5 Y2 4 3 5 7 7 Q3001 G 38 B 39 Y BOARD E BOARD VIDEO PROCESSOR MICRO PROCESSOR H3 E61 1 1 H BOARD 9 AV3 M2 E17 6 6 Y C M BOARD Q305 Q303 Q301 3 2 1 7 8 9 IC351 Q306 Q304 Q302 Q950 Q951 RGB OUTPUT IC3401 8 3 VIDEO SWITCHING 6 4 4 M3 H2 4 4 8 8 2 2 6 6 Q3402 Q3201 Q3203 Q3204 Q3...

Страница 12: ...T_R 27 SC2_OUT_L 28 SC2_IN_R 40 SC2_IN_L 39 Q252 21 DACA_R 22 DACA_L E BOARD AUDIO PROCESSOR AV3 L R 6 R 4 L HEADPHONE 7 R 5 L M4 1 M5 3 E16A M1 1 1 2 2 IC251 5 R R 7 L 11 AUDIO OUTPUT Q251 2 L Q2102 Q2103 E17 M2 10 10 8 8 M BOARD 2 L 3 R M6 K8 1 3 E12 3 4 5 6 7 18 I2S_DA_IN_2 12 I2S_DA_IN_1 11 I2S_DA_OUT 10 I2S_DA_WS 9 I2S_DA_CL I2S_DA_IN_2 I2S_DA_IN_1 I2S_DA_OUT I2S_DA_WS I2S_DA_CL K3 3 1 DACA_R...

Страница 13: ...io Left Audio Right Headphone Left Headphone Right Surround Centre Woofer Surround L Centre Surround R JK2402 Woofer Surround L Centre Out Left Front Surround R Right Front Q2427 Q2423 Q2419 Q2418 Q2417 Q2421 Q2420 I2S_DA_OUT_2 I2S_DA_OUT_1 I2S_DA_IN 6 7 I2S_WS I2S_CL Q2704 Q2705 K BOARD C BOARD OPERATIONAL AMPLIFIER HEADPHONE AMPLIFIER AUDIO AMPLIFIER AUDIO AMPLIFIER AUDIO AMPLIFIER 19 11 12 IC24...

Страница 14: ...1106 Q1105 Q1107 Q1104 51 72 73 AV LINK SLOW 2 SLOW 1 SCL 1 SDA 1 59 58 Q3006 Q3007 55 VPROT KEYSCAN ON OFF R C L E D PROT 1 SLOW 2 OUT IN SLOW 1 SERVICE SCL SDA H BOARD E BOARD VIDEO SWITCHING IC2101 8 7 4 AUDIO PROCESSOR MICRO PROCESSOR VIDEO PROCESSOR EAROM M BOARD D1061 Q3401 IC1061 LED RECEIVER SCL M2 E17 5 5 M1 E16A 8 8 7 7 Q1051 Q1062 5 5 6 6 Q3205 Q3206 Q3201 Q3203 Q3204 LOCAL KEYS SWITCH ...

Страница 15: ... VIDEO SWITCHING IC701 6 EW CORRECTION POWER SUPPLY IC451 6 3 1 V OUTPUT AUDIO OUTPUT D801 E BOARD Y BOARD E3 2 Y3 2 E1 4 1 E2 2 1 R802 DEGAUSS COIL Line Filter E62 1 H3 2 IC351 6 RGB OUTPUT R2715 18V 18V R2714 Q2702 Q2701 22V IC2701 3 IC2703 3 5 IC2704 3 5 E5 3 C1 3 C BOARD 13 E11 7 K2 7 5 5 12V Q2407 IC2403 1 2 33 IC2401 IC2402 IC2404 5 6 16 46 4 8 K BOARD 8 K5 C2 8 D2720 POWER SUPPLY IC2702 3 5...

Страница 16: ...S LOCATION 14 28 23 19 18 24 17 16 32 30 26 15 6 31 29 12 9 20 3 NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List 4 8 11 10 7 5 22 14 1 27 2 25 21 13 ...

Страница 17: ...SET LABEL TBM8E1900 LID CATCH TEK6940 LED HOLDER TMW8E017 OUTER CARTON TPC8E4676 TOP CUSHION TPD8E623 BOTTOM CUSHION TPD8E624 TV STAND TS 400DP BATTERY PACK UM 3DJ 2P ANODE LEAD ZTUZAE550A RELAY RL801 TSE1885 1 THERMISTOR R802 232266296706 C R T SOCKET S351 0330550049 INSTRUCTION BOOKS ENGLISH TQB8E2474 I C s AUDIO OUTPUT IC251 LA4282 R G B OUTPUT IC351 TDA6103Q N3 VERTICAL OUTPUT IC451 LA7845N VI...

Страница 18: ...723TA5 DIODE D2104 MA723TA5 DIODE D2105 MTZJT 778 2C DIODE D2401 MA165TA5 DIODE D2402 MA165TA5 DIODE D2403 MTZJT 7712C DIODE D2404 MTZJT 7712C DIODE D2405 MTZJT 7712C DIODE D2406 MTZJT 7712C DIODE D2409 MA165TA5 DIODE D2705 EG01CV0 DIODE D2706 1SR124 4AT82 DIODE D2707 TVSEH1LF F7 DIODE D2708 MA4075 DIODE D2709 1SR124 4AT82 DIODE D2710 1SR124 4AT82 DIODE D2711 RU4AMLF M1 DIODE D2712 MA165TA5 DIODE ...

Страница 19: ...FM05002A TRANSFORMER T801 ETS42AE226AD TRANSFORMER T802 ETP35KAN619U TRANSFORMER T2701 ETS35AA3Y7AD COILS COIL J164 TLT331K991R COIL L104 EXCELSA35T COIL L106 TLTACT100K COIL L107 TLTACT6R8K COIL L301 TLTACT4R7K COIL L302 TLTACT4R7K COIL L451 EXCELSA35T COIL L501 EXCELSA35T COIL L552 ELH5L6110 COIL L553 ELC08D682E COIL L554 ELC18B102L COIL L601 TLTACT4R7K COIL L602 TLTACT4R7K COIL L603 TLTACT4R7K ...

Страница 20: ...B JA33 ERJ8GEY0R00 125W 5 0 S M CARB JA2 ERJ8GEY0R00 125W 5 0 S M CARB JA51 ERJ8GEY0R00 125W 5 0 S M CARB JA23 ERJ8GEY0R00 125W 5 0 S M CARB JA46 ERJ8GEY0R00 125W 5 0 S M CARB JA5 ERJ8GEY0R00 125W 5 0 S M CARB JA59 ERJ8GEY0R00 125W 5 0 S M CARB JA8 ERJ8GEY0R00 125W 5 0 S M CARB JA21 ERJ8GEY0R00 125W 5 0 S M CARB JA50 ERJ8GEY0R00 125W 5 0 CARBON J116 ERDS1TJ220 0 5W 5 22 S M CARB R101 ERJ6GEY0R00 0...

Страница 21: ...ARB R636 ERJ6GEYJ750 0 1W 5 75 S M CARB R645 ERJ6GEYJ103 0 1W 5 10K S M CARB R647 ERJ6GEYJ472 0 1W 5 4K7 S M CARB R648 ERJ6GEYJ152 0 1W 5 1K5 S M CARB R650 ERJ6GEYJ750 0 1W 5 75 S M CARB R651 ERJ6GEYJ750 0 1W 5 75 S M CARB R652 ERJ6GEYJ102 0 1W 5 1K S M CARB R654 ERJ6GEYJ622 0 1W 5 6K2 S M CARB R655 ERJ6GEYJ103 0 1W 5 10K S M CARB R658 ERJ6GEYJ153 0 1W 5 15K S M CARB R659 ERJ6GEY0R00 0 1W 5 0 S M ...

Страница 22: ...1W 5 0 S M CARB R1159 ERJ6GEY0R00 0 1W 5 0 S M CARB R1160 ERJ6GEYJ223 0 1W 5 22K S M CARB R1161 ERJ6GEYJ103 0 1W 5 10K S M CARB R1167 ERJ6GEYJ100 0 1W 5 10 S M CARB R1168 ERJ6GEYJ473 0 1W 5 47K S M CARB R1169 ERJ6GEYJ472 0 1W 5 4K7 S M CARB R1170 ERJ6GEYJ273 0 1W 5 27K S M CARB R1171 ERJ6GEYJ224 0 1W 5 220K S M CARB R1172 ERJ6GEYJ223 0 1W 5 22K S M CARB R1173 ERJ6GEYJ104 0 1W 5 100K S M CARB R1174...

Страница 23: ...EYJ104 0 1W 5 100K S M CARB R2526 ERJ6GEYJ104 0 1W 5 100K S M CARB R2527 ERJ6GEYJ332 0 1W 5 3K3 S M CARB R2528 ERJ6GEYJ332 0 1W 5 3K3 S M CARB R2529 ERJ6GEYJ473 0 1W 5 47K S M CARB R2530 ERJ6GEYJ473 0 1W 5 47K S M CARB R2531 ERJ6GEYJ103 0 1W 5 10K S M CARB R2532 ERJ6GEYJ103 0 1W 5 10K S M CARB R2533 ERJ6GEYJ473 0 1W 5 47K S M CARB R2534 ERJ6GEYJ473 0 1W 5 47K S M CARB R2535 ERJ6GEYJ103 0 1W 5 10K ...

Страница 24: ...6GEYJ472 0 1W 5 4K7 S M CARB R3608 ERJ6GEYJ752 0 1W 5 7K5 S M CARB R3609 ERJ6GEY0R00 0 1W 5 0 S M CARB R3610 ERJ6GEYJ102 0 1W 5 1K S M CARB R3613 ERJ6GEYJ391 0 1W 5 390 S M CARB R3614 ERJ6GEYJ391 0 1W 5 390 CAPACITORS S M CAP C102 ECUV1H103ZFX 50V 10nF ELECT C103 ECJ2VF1H104Z 350V 100nF S M CAP C106 ECUV1H560JCX 50V 56pF ELECT C107 ECJ2VF1H104Z 350V 100nF ELECT C108 ECA1CM100GB 16V 10µF S M CAP C1...

Страница 25: ...472J 500V 4 7nF CERAMIC C809 ECKC2H472J 500V 4 7nF CERAMIC C810 ECKC2H472J 500V 4 7nF ELECT C811 ECOS2GA221CA 400V 220µF CERAMIC C814 ECKC3D102J 2KV 1nF CERAMIC C815 ECKC1H471J 50V 470pF CERAMIC C816 EEUFB1E820B 25V 82pF FILM C817 ECQE6104K 600V 100nF CERAMIC C818 ECKWNA332MEC 250V 3 3nF FILM C819 ECQB1H182K 50V 1 8nF CERAMIC C850 ECKC3D471JB 2KV 470pF ELECT C851 ECA2CM221E 160V 220µF ELECT C852 E...

Страница 26: ...CM100GB 16V 10µF ELECT C2423 ECJ2VB1H104K 350V 100nF ELECT C2424 ECA1HM3R3GB 50V 3 3µF S M CAP C2427 ECUV1H152KBX 50V 1 5pF S M CAP C2428 ECUV1H471KBX 50V 470pF ELECT C2429 ECA1CM100GB 16V 10µF S M CAP C2430 ECUV1H010CCX 50V 1pF S M CAP C2431 ECUV1H010CCX 50V 1pF S M CAP C2432 ECUV1H101JCX 50V 100pF ELECT C2434 ECA1HM010GB 50V 1µF ELECT C2435 ECA1HM010GB 50V 1µF S M CAP C2436 ECUV1H101JCX 50V 100p...

Страница 27: ...T C3024 ECA1CM470GB 16V 47µF S M CAP C3026 ECUV1H561JCX 50V 560pF ELECT C3027 ECJ3VB1C474K 3 5KV 470nF S M CAP C3028 ECUV1H222JCX 50V 2 2nF ELECT C3029 ECA1HM101GB 50V 100µF S M CAP C3032 ECUV1H271JCX 50V 270pF S M CAP C3033 ECUV1H271JCX 50V 270pF S M CAP C3034 ECUV1H271JCX 50V 270pF S M CAP C3035 ECUV1H271JCX 50V 270pF S M CAP C3101 ECUV1H104KBX 50V 100nF S M CAP C3102 ECUV1E104KBX 25V 100nF S M ...

Страница 28: ...NOTES 26 ...

Страница 29: ... 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 earth of the...

Страница 30: ......

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Страница 37: ... Q856 F9 D865 I9 IC1104 C9 Q855 J5 D864 I10 IC1103 F8 Q854 B4 D863 G9 IC1102 D10 Q853 B4 D862 N10 IC1101 D8 Q852 B5 D861 J9 IC1051 A10 Q850 F5 D860 I10 IC852 I10 Q701 J5 D859 H5 IC851 G5 Q552 N3 D858 E5 IC850 H4 Q551 K1 D857 E5 IC801 G2 Q503 I2 D855 F4 IC701 K5 Q451 F8 D854 G4 IC601 L7 Q394 K9 D853 H3 IC451 L5 Q305 K9 D852 I4 IC251 D6 Q303 K9 D851 I4 TP S Q302 J9 D850 H4 TPE14 M5 Q301 K9 D806 G2 T...

Страница 38: ...354 A7 Q353 G6 Q352 F6 Q351 F6 DIODES D906 F1 D905 G4 D904 D3 D902 G4 D901 G3 D364 C9 D363 C8 D362 B9 D361 B7 D360 D8 D359 G6 D358 E7 D357 F7 D356 G7 D355 F7 D354 G7 TEST POINTS TPY6 B8 TPY5 D5 TPY4 E5 TPY3 F6 TPY2 E7 TPY1 G6 IC S IC351 E8 H G F E D C B A 1 2 3 4 5 6 7 8 9 ...

Страница 39: ...5 D2 Q2424 C1 Q2423 C1 Q2422 G6 Q2421 G6 Q2420 G5 Q2419 G5 Q2418 G5 Q2417 F4 Q2416 D2 Q2410 D2 Q2409 B4 Q2407 C4 Q2406 C4 Q2405 D2 Q2404 F1 Q2403 D2 Q2402 E1 Q2401 IC S C5 IC2404 A4 IC2403 E5 IC2402 G2 IC2401 DIODES E4 D2409 G5 D2408 F5 D2406 F5 D2405 A3 D2402 B4 D2401 1 2 3 4 5 6 A B C D E F G H ...

Страница 40: ...720 E6 D2719 H10 D2718 G10 D2717 F3 D2716 F2 D2715 F6 D2714 F5 D2713 F8 D2712 F8 D2711 E7 D2710 C8 D2709 C2 D2708 C3 D2707 D6 D2706 C3 D2705 B5 IC S IC2704 F3 IC2703 F6 IC2702 G8 IC2701 B4 TP S TPC1 E7 TPC2 D7 TPC3 E9 1 2 3 4 5 6 7 8 9 10 A B C D E F G H C BOARD TNP8EC003 ...

Страница 41: ...EM013 TRANSISTORS Q1061 C2 Q1062 C2 Q3201 C8 Q3202 B9 Q3203 B8 Q3204 B9 Q3205 B9 Q3206 A9 Q3207 B10 Q3208 B9 Q3209 B10 DIODES D1061 C1 D3201 B4 D3202 B4 D3203 B3 IC S IC1601 D2 C B A 1 2 3 4 5 6 7 8 9 11 12 13 10 D ...

Страница 42: ...NOTES 38 ...

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