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REPLACEMENT PARTS LIST

Models: CT-20D12DF, CT-20G7DF

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.

- 11 -

120-02

P

ARTS

L

IS

T

Parts List

C807

ECKR3A821KBP

CAP,C 820PF-K-1KV

C808

ECA1VM101B

CAP,E 100UF-35V

C809

ECKR1H101KB5

CAP,C 100PF-K-50V

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

ECKR3A102KBP CAP,C 1000PF-K-1KV

C825

EEUMG2C221S

CAP,E 220UF-160V

C826

ECKR3A471KBP CAP,C 470PF-K-1KV

C827

ECA1CM471B

CAP,E 470UF-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

C2309

ECA1HM010B

CAP,E 1UF-50V

CT-20D12DF

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

C2319

ECA1HM010B

CAP,E 1UF-50V

CT-20D12DF

C2320

ECA1CM100B

CAP,E 10UF-16V

C2330

ECA1CM100B

CAP,E 10UF-16V

C2350

ECA1HM100B

CAP,E 10UF/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

CT-20D12DF

C3051

TCJ2VF1H103Z

CAP,C .01UF-Z-50V

CT-20D12DF

REF NO.

PART NO.

DESCRIPTION

DIODES

D002

MA165TA5VT

DIODE, SWITCHING

D006

MA4330HTA

DIODE

D052

MA4068MTA

DIODE, ZENER

D053

MA4056MTA

DIODE

D055

MA4056MTA

DIODE

D451

ERA15-01V3

DIODE, RECTIFIER

D452

MA4047MTA

DIODE

D453

MA165TA5VT

DIODE, SWITCHING

D454

MA165TA5VT

DIODE, SWITCHING

D456

MA4047MTA

DIODE

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

TAP2AA0001

PTC 5-OHM

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

D2305

MA3110MTX

DIODE, ZENER

CT-20D12DF

D2306

MA3110MTX

DIODE, ZENER

CT-20D12DF

D2307

MA3110MTX

DIODE, ZENER

CT-20D12DF

D2308

MA3110MTX

DIODE, ZENER

CT-20D12DF

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

REF NO.

PART NO.

DESCRIPTION

Содержание CT20D12DF - 20" COLOR TV

Страница 1: ...als of potential dangers in attempting to service a product Productspoweredbyelectricityshouldbeservicedorrepairedonlybyexperiencedprofessionaltechnicians Anyattempttoservice or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death Chassis CT 20G7DF AP391 CT 20D12DF BP391 Models ORDER NO MTNC020515A1 B1 This supplement service manua...

Страница 2: ... 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 35kV without causing X ray radiation Before returning a serviced receiver to the owner the service technician must ...

Страница 3: ...s chip component surface mount 4 Component removal 4 Chip component Installation 4 How to replace Flat IC 4 X ray protection circuit check 5 Receiver feature table 6 Chasis service adjustment procedures 7 130 0V B voltage confirmation 7 Source voltage chart 7 High voltage check 7 Audio signal path block diagram 8 Video signal path block diagram 9 Parts list 10 Foldouts voltages waveforms 18 31 ...

Страница 4: ...il solder flows Do not apply heat for more than 3 seconds How to replace Flat IC Required tools 1 Cut the pins of the defective IC with the wire cutters pliers and remove it completely away from the board If the IC is glued to the board apply hot air to complete the removal CAUTION Do not pull or twist the pliers may damage the soldering pads in the board 2 Using the soldering Iron and the long no...

Страница 5: ... as final check before the receiver is returned to the customer If voltage is out of tolerance immediate service and correction is required to insure safe operation and to prevent the possibility of premature component failure Equipment needed to check the protection circuit 1 Isolator transformer 2 High voltage meter 3 Short jumper 4 Diode connection jumper Use similar diode than D823 refer to pa...

Страница 6: ...BLACK Picture tube Supplier SAMSUNG Comb Filter 2 DIG V A norm V FM Radio X MTS SAP DBX X Built in audio power 1 5Wx2 10 Number of speakers 2 AI Sound X A V in rear front 1 1 1 Audio Out F FAO V VAO F V S VHS In rear front 1 0 EPJ HPJ MISC HPJ Dimensions mm WxDxH in 515 7x490 5x461 7 20 30x19 31x18 17 Weight kg lbs 18 39 6 Anode voltage 26 60 1 25 kV Video input jack 1Vp p 75Ω phono Audio input ja...

Страница 7: ...ut flyback circuits Source voltage chart 120V AC line input Set the BRIGHT and the PICTURE to minimum by using the PICTURE menu Use cold ground for the lead of the DVM Adjust PICTURE menu for normalized video adjustments High voltage check 1 Select an active TV channel and confirm that the horizontal is in sync 2 Adjust BRIGHTNESS and PICTURE using picture icon menu so video just disappears 3 Conf...

Страница 8: ... RIGHT LEFT IN RIGHT IN MPX IN FRONT A V JK3001 REAR A V JK3002 IC001 MPU VCJ M65580MAP10 22 21 LEFT RIGHT LEFT OUT RIGHT OUT 64 LEFT CHANNEL AUDIO AMP 3 6 RIGHT CHANNEL AUDIO AMP 3 6 9 9 TV IN 67 VOL SP SW VOL TV IN VOL SP SW SP CP REAR A V JK3002 LEFT SPEAKER RIGHT SPEAKER 5 5 10 10 LEFT OUT RIGHT OUT A BOARD LEFT OUT RIGHT OUT VAO VAO AUDIO OUT only for CT 20D12DF ...

Страница 9: ...JK3002 IC001 MPU VCJ M65580MAP10 A BOARD 20 EXT 59 6 2 3 9 4 1 8 Q006 Q007 Q008 32 28 30 HALF TONE R OUT G OUT B OUT 5 13 IC050 HALFTONE 3 3V Q053 Q054 Q055 28 FB A11 1 2 3 C1 1 2 3 Q354 R Q355 G Q356 B Q351 R Q352 G Q353 B C BOARD V IDEO IN V IDEO IN 48 49 51 Q050 Q053 Q053 OSD R R G B 22 24 72 JK3001 Y IN C IN SSW only for CT 20D12DF ...

Страница 10: ...12DF C103 ECA0JM331B CAP E 330UF 6 3V C104 TCJ2VF1H103Z CAP C 01UF Z 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 TCJ2VC...

Страница 11: ...N010UB CAP E 1UF 50V C2313 ECA1EM101B CAP E 100UF 25V C2314 ECA1CM100B CAP E 10UF 16V C2317 ECA1CM102B CAP E 1000UF 16V C2319 ECA1HM010B CAP E 1UF 50V CT 20D12DF C2320 ECA1CM100B CAP E 10UF 16V C2330 ECA1CM100B CAP E 10UF 16V C2350 ECA1HM100B CAP E 10UF 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 CT 20D12DF ...

Страница 12: ... L090 EXCELSA24T FERRITE BEAD L104 TLUABTA2R2K COIL PEAKING 2 2UH L108 EXCELSA35V FERRITE BEAD L238 EXCELSA39V FERRITE BEAD L245 EXCELSA35V FERRITE BEAD L250 EXCELSA35V FERRITE BEAD L306 TLUABTA2R2K COIL PEAKING 2 2UH L325 EXCELSA35V FERRITE BEAD L403 TLUABTA2R2K COIL PEAKING 2 2UH REF NO PART NO DESCRIPTION L416 EXCELSA39V FERRITE BEAD L551 ELH5L4101 COIL L801 ELF15N011A COIL PEAKING L802 ELEIE68...

Страница 13: ... 10W R090 ERJ6GEYJ471V RES M 470 J 1 10W R091 ERJ6GEYJ185V RES M 1 8MEG J 1 10W R092 ERJ6GEYJ473V RES M 47K J 1 10W R093 ERJ6GEYJ331V RES M 330 J 1 10W R201 ERJ6GEYJ182V RES M 1 8K J 1 10W CT 20D12DF R202 ERJ6GEYJ102V RES M 1K J 1 10W CT 20D12DF REF NO PART NO DESCRIPTION R202 ERJ6GEYJ751V RES M 750 J 1 10W CT 20G7DF R351 ERG2FJ123H RES M 12K J 2W R352 ERG2FJ123H RES M 12K J 2W R353 ERG2FJ123H RES...

Страница 14: ...RES F 56 J 1 2W R2201 ERJ6GEYJ224V RES M 220K J 1 10W R2203 ERJ6GEYJ102V RES M 1K J 1 10W R2204 ERJ6GEYJ102V RES M 1K J 1 10W R2205 ERJ6GEYJ101V RES M 100 J 1 10W R2206 ERJ6GEYJ273V RES M 27K J 1 10W R2301 ERQ2CJP3R9S RES F 3 9 J 2W REF NO PART NO DESCRIPTION R2307 ERJ6GEYJ103V RES M 10K J 1 10W R2320 ERJ6GEYJ104V RES M 100K J 1 10W CT 20D12DF R2350 ERDS2TJ391T RES C 390 J 1 4W R2351 ERJ6GEYJ562V ...

Страница 15: ...Cabinet Front Badge Panasonic Guide IR Label X Ray Warning M012 TAS2AA0012 SPEAKER 16 OHM 1 5W REF NO PART NO DESCRIPTION M013 TKX2AA00404 GUIDE IR M014 TBM2A10141 BADGE PANASONIC M015 TBX2AA0121 BUTTON 7 KEY JK3001 TJB2A9063B ASSY JACK 1A V CT 20D12DF JK3001 TJB2A9064B ASSY JACK A V CT 20G7DF JK3002 TJB2AA0046 TERMINAL FRONT A V JK3003 TJB2AA0171 TERMINAL S VHS CT 20D12DF ACCESORIES M016 EUR50145...

Страница 16: ... 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 connect...

Страница 17: ... 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 hacerse...

Страница 18: ... 18 A C Board Layout ...

Страница 19: ... 19 A C Board Layout ...

Страница 20: ... 20 A Board CT 20G7DF ...

Страница 21: ... 21 A Board CT 20G7DF ...

Страница 22: ... 22 A Board CT 20G7DF ...

Страница 23: ... 23 A Board CT 20G7DF ...

Страница 24: ... 24 A Board CT 20G7DF ...

Страница 25: ... 24 A Board CT 20D12DF ...

Страница 26: ... 25 A Board CT 20D12DF ...

Страница 27: ... 26 A Board CT 20D12DF ...

Страница 28: ... 27 A Board CT 20D12DF ...

Страница 29: ... 28 A Board CT 20D12DF ...

Страница 30: ... 47 96 00 7 00 Q352 7 40 98 20 6 90 B C E Q354 2 90 7 50 2 40 Q355 2 90 7 40 2 40 B C E Q353 7 40 98 80 6 90 Q356 2 90 7 40 2 40 C Board transistor voltages C Board schematic C Board schematic transistor voltages ...

Страница 31: ...UT 48V p p 20µs IC451 12 V OUT 8 164V p p 5ms Q501 Collector H Drive 12 Q006 2 59 GND 3 24 Q007 2 68 GND 3 33 B C E Q001 0 00 11 00 GND Q008 2 65 GND 3 31 Q053 0 00 5 00 2 59 Q051 4 97 GND 2 69 B C E B C E Q050 4 98 GND 2 59 Q054 0 00 5 01 2 68 Q092 8 92 2 37 4 99 Q451 0 60 0 00 GND Q520 1 76 4 98 1 60 Q551 0 00 25 30 GND Q453 0 00 8 66 GND Q505 2 46 4 98 2 32 Q090 1 31 0 00 2 04 Q501 0 36 85 20 0...

Страница 32: ... 4 16 GND 4 99 IC050 1 2 3 4 5 6 7 8 9 10 11 12 13 14 2 59 3 20 3 21 2 69 0 00 0 00 GND 2 67 3 21 n c n c n c 0 00 4 99 IC005 1 2 3 4 5 6 5 01 GND 1 32 3 26 GND 5 01 IC006 1 2 3 5 00 4 98 GND IC003 1 2 3 4 96 GND 4 98 IC451 1 2 3 4 5 6 7 8 9 10 11 12 13 8 18 8 66 4 10 4 15 GND 3 92 3 99 24 32 1 79 1 32 GND 14 01 24 67 IC801 1 2 3 4 5 193 00 GND GND 32 80 2 81 IC2201 1 2 3 4 5 6 7 8 9 10 11 12 1 16...

Страница 33: ...Printed in USA K02052597PL0516 ...

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