Panasonic CT-27G7DUF Service Manual Download

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Parts List

REPLACEMENT PARTS LIST

Models: CT-27G7DF, CT-27G7DUF, CT-27G7SDF & CT-27G7SDUF

Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing
any of these components use only manufacturer’s specified parts.

022-02

ARTS

C810

ECKR1H471KB5

CAP,C 470PF-K-50V

C812

ECQU2A224MVA CAP,P .22UF-M-250VAC

C813

ECQU2A153MVA CAP,P .015UF-M-250VAC

C814

ECQU2A153MVA CAP,P .015UF-M-250VAC

C820

ECA1CM101B

CAP,E 100UF/16V

C821

TCJ2VF1H103Z

CAP,C .01UF-Z-50V

C822

ECKR3A221KBP

CAP,C 220PF-K-1KV

C823

ECA1VM471E

CAP,E 470UF-35V

C824

ECKR3A471KBP

CAP,C 470PF-K-1KV

C825

EEUMG2C221S

CAP,E 220UF-160V

C826

ECKR3A471KBP

CAP,C 470PF-K-1KV

C827

ECA1CM221B

CAP,E 10UF-16V

C828

ECA160V33UE

CAP,E 33UF/160V

C2201

ECA1HM4R7B

CAP,E 4.7UF-50V

C2202

ECA1HM2R2B

CAP,E 2.2UF-50V

C2203

ECA1HM4R7B

CAP,E 4.7UF-50V

C2204

AP106K016CAE

CAP,T 10UF/16V

C2205

ECA1HMR33B

CAP,E .33UF-50V

C2206

ECQB1H223JF3

CAP,P .022UF-J-50V

C2207

AP335K016CAE

CAP,T 3.3UF/16V

C2208

TCJ2VB1C104K

CAP,C .1UF-K-16V

C2209

TCJ2VB1C104K

CAP,C .1UF-K-16V

C2210

TCJ2VB1C104K

CAP,C .1UF-K-16V

C2212

ECQB1H473JF3

CAP,P .047UF-J-50V

C2213

ECA1HMR47B

CAP,E .47UF-50V

C2214

ECA1AM101B

CAP,E 100UF-10V

C2215

EEANA1E100B

CAP,E 10UF-25V

C2216

TCJ2VC1H100D

CAP,C 10PF-J-50V

C2301

ECA1EM102E

CAP,E 1000UF-25V

C2302

ECEA1HN010UB CAP,E 1UF/50V

C2303

ECA1EM101B

CAP,E 100UF-25V

C2304

ECA1CM100B

CAP,E 10UF-16V

C2307

ECA1CM102B

CAP,E 1000UF/16V

C2311

ECA1EM102E

CAP,E 1000UF-25V

C2312

ECEA1HN010UB CAP,E 1UF/50V

C2313

ECA1EM101B

CAP,E 100UF-25V

C2314

ECA1CM100B

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, ZENER

D053

MA4056MTA

DIODE

REF NO.

PART NO.

DESCRIPTION

D055

MA4056MTA

DIODE

D451

ERA15-01V3

DIODE, RECTIFIER

D452

MA4047MTA

DIODE

D453

MA165TA5VT

DIODE, SWITCHING

D454

MA165TA5VT

DIODE, SWITCHING

D502

MA4047MTA

DIODE

D531

AS01V0

DIODE

D551

D1NL20UV70

DIODE

D554

AU02V0

DIODE

D558

RS3FS

DIODE

D559

BYD33G-113

DIODE

D561

AU02V0

DIODE

D571

MA165TA5VT

DIODE, SWITCHING

D606

MA165TA5VT

DIODE, SWITCHING

D607

MA152KTX

DIODE

D608

MA152KTX

DIODE

D609

MA152KTX

DIODE

D801

D3SBA60-4103

DIODE

D806

TAP4GA0006

DIODE

D808

SARS01V1

DIODE

D809

AG01V0

DIODE

D810

AG01V0

DIODE

D811

AG01V0

DIODE

D812

MA4068MTA

DIODE, ZENER

D820

MA165TA5VT

DIODE, SWITCHING

D821

MA4047HTA

DIODE

D822

RN1ZLF-B1

DIODE

D823

S3L60P154004

DIODE

D824

D1NL20UV70

DIODE

D2350

MA4068MTA

DIODE, ZENER

D2351

MA165TA5VT

DIODE, SWITCHING

D2352

MA165TA5VT

DIODE, SWITCHING

D2353

MA165TA5VT

DIODE, SWITCHING

D2354

MA4091MTA

DIODE

D3001

MA3110MTX

DIODE, ZENER

D3003

MA3110MTX

DIODE, ZENER

D3004

MA3110MTX

DIODE, ZENER

D3005

MA3110MTX

DIODE, ZENER

D3006

MA3110MTX

DIODE, ZENER

D3017

MA3110MTX

DIODE, ZENER

D3018

MA3110MTX

DIODE, ZENER

D3019

MA3110MTX

DIODE, ZENER

D3020

MA3110MTX

DIODE, ZENER

D3021

MA3110MTX

DIODE, ZENER

D3022

MA3110MTX

DIODE, ZENER

FUSES

F801

XBA2A00101

FUSE 6.3A 125V

INTEGRATED CIRCUITS

IC001

M65580MAP103

MPU/VCJ

IC002

C3EAFC000011

EEPROM

IC003

PIC-37042SR

REMOTE SENSOR

REF NO.

PART NO.

DESCRIPTION

Summary of Contents for CT-27G7DUF

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 16: ... 16 A Board ...

Page 17: ... 17 A Board A Board ...

Page 18: ... 18 A Board ...

Page 19: ... 19 A Board A Board ...

Page 20: ... 20 A Board ...

Page 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 ...

Page 22: ... 22 A C Board ...

Page 23: ... 23 A C Board ...

Page 24: ... 24 C Board ...

Page 25: ... 25 A Board C Board ...

Page 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...

Page 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...

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

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