Panasonic CT-27G7DUF страница 22 Скачать руководство пользователя | Manualshive

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Содержание CT-27G7DUF

Страница 1: ...a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death ORDER NO MTNC020101A1 B5 Panasonic CT 27G7DF JP363 CT 27G7DUF JP363 CT 27G7SDF JP363 CT 27G7SDUF JP363 Chassis Models Sim plified This s...

Страница 2: ... shielding The safety glass provide shielding for the tube viewing area against x ray radiation as well as implosion The magnetic shield limits the x ray radiation around the bell of the picture tube in addition to the restricting magnetic effects When using a picture tube test jig for service ensure that the jig is capable of handling 50kV without causing x ray radiation Before returning a servic...

Страница 3: ...rotection Circuit Check Adjustments 5 Receivers Feature Table 6 Location of Receiver Controls 7 Chassis view 8 Parts List 9 Schematic Notes 14 A Board schematic 16 A Board IC voltages 21 A C Board layout 22 C Board schematic 24 A C transistor voltages 27 A Board waveforms 27 ...

Страница 4: ... the board soldering pads 2 Hold the chip component against the soldering pads with tweezers or with a miniature alligator clip and apply heat to the pad area with a 30 watt iron until solder flows Do not apply heat for more than 3 seconds How to Replace Flat IC Required Tools 1 Cut the pins of a defective IC with wire cutters Remove IC from board If IC is glued to the board heat the IC and releas...

Страница 5: ...r is returned to the customer If voltages are out of tolerance immediate service and correction is required to insure safe operation and to prevent the possibility of premature component failure Equipment 1 Isolation transformer 2 High voltage meter 3 Short jumper 4 Jumper diode same as D823 PN S3L60P154004 diode should be rated a minimum of 150V Procedure 1 Connect the receiver to an isolation tr...

Страница 6: ...ear front 1 0 Headphone jack X Dimensions mm WxDxH in 665 2 x 545 x 594 8 26 2 x 21 5 x 23 4 Weight kg lbs 35 77 2 Power source V Hz 120 60 Anode voltage 29 25kV 1 25kV Video input jack 1Vp p 75Ω phono jack Audio input jack 500mV RMS 47kΩ A Board TNP2AH040 BH C Board TNP2AA106 AG Table 1 Receiver Features Specifications are subject to change without notice or obligation Dimensions and weights are ...

Страница 7: ...e displayed Channel buttons Press to select programmed channels Press to highlight desired features when menus are displayed Also use to select cable converter box channels after programming remote control infra red codes the TV AUX CABLE switch must be set in CABLE position Action button Press to display main menu and access on screen feature and adjustment menus TV Video button Press to select T...

Страница 8: ... Chassis View Figure 4 Chassis view Figure 3 A Board main components and test points components within dotted areas are located on trace side Back A V inputs Back S Video input HPJ output Front A V inputs ...

Страница 9: ... 50V C105 ECA0JM101B CAP E 100UF 6 3V C350 ECA1CM101B CAP E 100UF 16V C351 TCJ2VB1H391K CAP C 390PF K 50V C352 TCJ2VB1H391K CAP C 390PF K 50V C353 TCJ2VB1H471K CAP C 470PF K 50V C354 ECKW3D102KBN CAP C 001UF K 2KVDC C357 EEANA1E1R0B CAP E 1 0UF 25V C361 TCJ2VC1H151J CAP C 150PF J 50V C362 TCJ2VC1H151J CAP C 150PF J 50V C363 TCJ2VC1H151J CAP C 150PF J 50V C451 ECA1CHG470B CAP E 47UF 16V C452 ECSF1E...

Страница 10: ...00B CAP E 10UF 16V C2317 ECA1CM102B CAP E 1000UF 16V C2320 ECA1CM100B CAP E 10UF 16V C2330 ECA1CM100B CAP E 10UF 16V C2350 ECA1HM4R7B CAP E 4 7UF 50V C3001 ECA1HM0R1B CAP E 0 1UF 50V C3012 ECA1HM010B CAP E 1UF 50V C3018 ECA1HM010B CAP E 1UF 50V C3050 TCJ2VF1H103Z CAP C 01UF Z 50V C3051 TCJ2VF1H103Z CAP C 01UF Z 50V DIODES D002 MA165TA5VT DIODE SWITCHING D006 MA4330HTA DIODE D052 MA4068MTA DIODE ZE...

Страница 11: ...A TRANSFORMER LINE FILTER L2305 EXCELSA35V FERRITE BEAD L2350 ELESN4R7JA COIL PEAKING 4 7UH TRANSISTORS Q001 2SD601ARTX TRANSISTOR Q006 2SB709ARTX TRANSISTOR Q007 2SB709ARTX TRANSISTOR Q008 2SB709ARTX TRANSISTOR REF NO PART NO DESCRIPTION Q009 2SC1473A TRANSISTOR Q050 2SB709ARTX TRANSISTOR Q051 2SB709ARTX TRANSISTOR Q052 2SB709ARTX TRANSISTOR Q053 2SD601ARTX TRANSISTOR Q054 2SD601ARTX TRANSISTOR Q...

Страница 12: ...4700V RES M 470 F 1 10W R362 ERJ6ENF4700V RES M 470 F 1 10W R363 ERJ6GEYJ101V RES M 100 J 1 10W R364 ERJ6GEYJ101V RES M 100 J 1 10W R365 ERJ6GEYJ101V RES M 100 J 1 10W R381 ERJ6GEYJ101V RES M 100 J 1 10W R382 ERJ6GEYJ101V RES M 100 J 1 10W REF NO PART NO DESCRIPTION R383 ERJ6GEYJ101V RES M 100 J 1 10W R384 ERJ6ENF2701V RES M 2 7K F 1 10W R385 ERJ6ENF4421V RES M 4 42K F 1 10W R386 ERJ6ENF1201V RES ...

Страница 13: ...TJ101T RES C 100 J 1 4W R3005 ERJ6GEYJ334V RES M 330K J 1 10W R3007 ERJ6GEYJ151V RES M 150 J 1 10W R3008 ERJ6GEYJ151V RES M 150 J 1 10W R3009 ERJ6GEYJ682V RES M 6 8K J 1 10W R3010 ERJ6GEYJ334V RES M 330K J 1 10W R3011 ERJ6GEYJ682V RES M 6 8K J 1 10W R3013 ERJ6ENF75R0V RES M 75 0 F 1 10W R3014 ERJ6ENF75R0V RES M 75 0 F 1 10W R3016 ERDS2TJ181T RES C 180 J 1 4W REF NO PART NO DESCRIPTION R3017 ERDS2T...

Страница 14: ...tudes may vary depending on the type of Oscilloscope used and its settings 5 Ground symbol shown on waveform number indicates Hot ground lead connection of the Oscilloscope CAUTION Incorrect ground connection of the test equipment will result in erroneous readings 3 VOLTAGE MEASUREMENTS 1 Voltage measurement AC input to the Receiver is 120V NTSC HD 1125i 525P when applicable signal generator is co...

Страница 15: ...encia de la señal y el contenido de la imagen Las fuentes de voltajes son nominales 2 El símbolo indica el tipo de tierra que se utiliza en la conexión del medidor PRECAUCION SI no se utiliza la conexión a la tierra adecuada se obtendrán mediciones equivocadas y podría dañar el equipo de medición MEDICIÓN DE FORMAS DE ONDA 1 Un símbolo como indica el punto para medir una señal La medición puede ha...

Страница 16: ... 16 A Board ...

Страница 17: ... 17 A Board A Board ...

Страница 18: ... 18 A Board ...

Страница 19: ... 19 A Board A Board ...

Страница 20: ... 20 A Board ...

Страница 21: ...24 2 73 45 90 45 90 0 00 2 74 3 23 0 00 0 00 0 00 45 50 4 99 IC2302 1 2 3 4 5 6 7 8 9 10 11 12 13 42 0 00 13 46 0 00 9 75 0 75 16 87 0 00 4 97 8 93 3 04 18 70 IC2301 1 2 3 4 5 6 7 8 9 10 11 12 13 40 0 00 13 48 0 00 9 74 0 75 16 89 0 00 4 97 8 96 3 05 18 69 IC451 1 2 3 4 5 6 7 8 9 10 11 12 13 8 22 8 66 4 10 4 15 0 89 4 12 3 81 27 27 2 74 1 28 0 83 15 28 28 11 IC002 1 2 3 4 5 6 7 8 0 00 0 00 0 00 0 ...

Страница 22: ... 22 A C Board ...

Страница 23: ... 23 A C Board ...

Страница 24: ... 24 C Board ...

Страница 25: ... 25 A Board C Board ...

Страница 26: ...Q001 0 034 11 73 0 00 Q606 0 00 3 63 0 00 Q092 9 00 2 82 5 00 Q451 0 59 0 00 0 00 Q453 0 00 8 65 0 00 Q009 0 55 0 04 0 00 B C E Q830 129 5 126 3 130 1 Q501 0 40 84 40 0 00 Q820 130 1 0 00 130 5 Q551 0 12 31 37 0 00 Q452 0 00 2 49 0 00 Q605 4 23 0 00 4 21 B C E Q351 6 49 165 00 6 03 B C E Q352 6 35 169 70 5 89 Q353 6 34 168 50 5 93 Q354 3 32 6 49 2 75 Q355 3 36 6 35 2 79 Q356 3 38 6 34 2 81 C Board...

Страница 27: ...ollector H DRIVE 0 6 p p 20µs IC001 PIN 24 C IN 3 1 54V p p 5ms IC451 PIN 7 DRIVE 9 15 1 24kV p p 20µs Q551 Collector H OUT 4 IC001 PIN 35 ADC OSC 14 33MHz X tal 10 58 4V p p 5ms IC451 PIN 12 VERT OUT 16 330 0V p p 5µs IC801 PIN 1 1 5V p p 20µs R OUT A11 1 5 31 0V p p 5ms IC451 PIN 13 PUMP UP 11 3 22V p p 5µs IC801 PIN 5 17 1 4V p p 20µs G OUT A11 2 6 12 4 8V p p 20µs IC001 PIN 44 H PULSE With pat...

Страница 28: ... 63 Printed in USA K02012211PL0131 ...

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