Toshiba 27A60 Скачать руководство пользователя страница 35 | Manualshive

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GENERAL ADJUSTMENTS

SPECIFIC INFORMATIONS

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MEMO

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Содержание 27A60

Страница 1: ...itos Capítulo 2 Información específica Fijación y ajuste de datos Localización de controles Programando la memoria de canales Diagrama a bloques del circuito Reemplazo del gabinete y del chasis Vista inferior de las placas de circuito impreso Vista de terminales de transistores Especificaciones Diagrama esquemático Seguridad Principal Excitador CRT Televisión a color ...

Страница 2: ...HIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN FILE NO 020 200016 SERVICE MANUAL COLOR TELEVISION N0S Chassis 27A60 32A60 36A60 TAC0020 PUBLISHED IN JAPAN Jun 2000 So TAC0021 TAC0022 ...

Страница 3: ...ODE 8 DESIGN MODE 11 ELECTRICAL ADJUSTMENT 12 CIRCUIT CHECKS 16 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 17 LOCATION OF CONTROLS 18 PROGRAMMING CHANNEL MEMORY 20 CIRCUIT BLOCK DIAGRAM 21 CHASSIS AND CABINET REPLACEMENT PARTS LIST 22 PC BOARDS BOTTOM VIEW 31 TERMINAL VIEW OF TRANSISTORS 35 SPECIFICATIONS 37 APPENDIX CIRCUIT DIAGRAM ...

Страница 4: ... limit consti tutes a potential shock hazard and must be corrected im mediately WARNING Service should not be attempted by anyone unfa miliar with the necessary precautions on this receiver The fol lowing are the necessary precautions to be observed before servicing this chassis 1 An isolation Transformer should be connected in the power line between the receiver and the AC line before any serv ic...

Страница 5: ...ASS CLOTH TAPES DEFLECTION YOKE TEMPORARY MOUNTING RUBBER WEDGE ADHESIVE DEFLECTION YOKE PURITY CONVERGENCE MAGNET ASS Y 14mm 13 14 19mm 19 20 Figure 1 COLOR PURITY ADJUSTMENT NOTE Before attempting any purity adjustments the receiver should be operated for at least fifteen minutes 1 Demagnetize the picture tube and cabinet using a degauss ing coil 2 Set the brightness and contrast to maximum 3 Us...

Страница 6: ...1 Do not remove cover paper on adhesive part of the wedge 3 Tilt front of the deflection yoke up or down to obtain better convergence in circumference See figure 3 Push the mounted wedge into the space between picture tube and the yoke to fix the yoke temporarily 4 Put other wedge into bottom space and remove the cover paper to stick 5 Tilt front of the yoke right or left to obtain better conver g...

Страница 7: ...RAST and BRIGHTNESS Controls to the maximum 3 Display built in green raster using the TEST SIGNAL SELECTION function 4 Loosen the clamp screw holding the deflection yoke and remove the Rubber Wedges 5 Slide the yoke forward or backward to provide vertical green belt zone in the picture screen 6 Rotate and spread the tabs of the purity magnet See figure 3 around the neck of the picture tube until t...

Страница 8: ...ing the CENTER CONVERGENCE AD JUSTMENT tighten the tightening ring to fix the mag nets Figure 4 Xv COIL ADJUSTMENT Adjust the Xv coil on the deflection yoke to correct misconvergence at both sides on screen Use a hexagonal tip stick plastic to adjust the core of coil BLU BLU RED RED 6 POLE MAGNETS MOVEMENT 4 POLE MAGNETS MOVEMENT RED BLUE RED BLUE GRN GRN Center Convergence by Convergence Magnets ...

Страница 9: ...menu provides special functions A single horizontal line ON OFF TV ANT VIDEO button on TV Test signal selection TV ANT VIDEO button on Remote Selection of the adjustment items Channel s t on TV or Remote Change of the data value Volume s t on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 RECALL Channel button on TV s Initialization of the self diagnos...

Страница 10: ... Programming Channel Memory on the owner s manual CAUTION Never attempt to initialize the data unless QA02 has been replaced 7 TEST SIGNAL SELECTION 1 Every pressing of TV VIDEO button on the Remote Control in the Service mode changes the built in test patterns on screen in the following order Normal picture Black cross bar on green raster Red raster H signal black H signal white Green raster Blue...

Страница 11: ...iter 000 is normal 3 BUS line check OK Normal SCL GND SCL GND short circuit SDA GND SDA GND short circuit SCL SDA SCL SDA short circuit 4 BUS line ACK acknowledge check OK Normal Display of Location Number NG Display example QA02 NG H001 NG Q501 NG etc Note The indication of failure place is only one place though failure places are plural When repair of a failure place finishes the next failure pl...

Страница 12: ...gn mode changes the adjustment items in the order of table 3 s button for reverse order Refer to table 3 for data of design mode See SETTING ADJUSTING DATA on page 17 3 ADJUSTING THE DATA Pressing of VOLUME s or t button will change the value of data When QA02 is initialized items OPT0 and OPT1 of DESIGN MODE are set to the data of the representative model of this chassis family Therefore because ...

Страница 13: ... the RESET button 3 Connect oscilloscope to base of Q906 on CRT D board 4 Enter the service mode then select COLC 5 Adjust the SUB COLOR by pressing the VOLUME s or t button to achieve about 1V0 p of blue bar 6 Select TNTC register 7 Adjust the data value to obtain the blue bar to magenta bar ratio of 3 2 as shown 8 Select COLC register 9 Adjust the data value to achieve 1 8V0 p of blue bar on sco...

Страница 14: ...imum 2 Call up the adjustment mode display and press the TV VIDEO button on Remote until the white and black pattern appears on the screen 3 Adjust the following item with the CHANNEL s t and VOLUME s t buttons 4 Press the TV VIDEO button on TV to display a single horizontal line on the screen 5 Turn the SCREEN control FBT fully counterclockwise and gradually rotate clockwise until the first horiz...

Страница 15: ...omes in the center of range for STA3 1 SAP FILTER SAPF 4 88kHz 110mVrms pin 9 of H002 Monaural signal ANT 1 Display item SAPF 2 Change data by Volume s t buttons so that the data becomes in the center of range for STA4 1 SAVC STA7 0 STA8 1 88H STRF STA3 1 16H SAPF 98H STA4 1 ATTENUATOR ATT 5 1kHz 30 mod ANT terminal 1 Connect rms meter to pin 12 of H002 2 Display item ATT on screen 3 Change data b...

Страница 16: ...nnect oscilloscope to pin 34 of QG01 4 Change data by VOLUME s t button to minimize AC output level on scope 5 Resolder SL02 H001 QG01 SL02 CG44 RG44 CG07 15 734KHz 30mV rms RG43 10 7 1 STEREO 300Hz R channel only ANT 1 Display item WBAN on screen 2 Connect oscilloscope to pin 35 of QG01 3 Change data by VOLUME s t buttons so that 300Hz element on scope becomes minimum STEREO 3kHz R channel only A...

Страница 17: ...TNESS and CON TRAST controls to minimum zero beam current 3 High voltage must be measured below B kV Refer to table 1 for high voltage B See SETTING ADJUSTING DATA on page 17 4 Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any con ditions FS CIRCUIT CHECK The Fail Safe FS circuit check is indispensable for the final check in servicing Chec...

Страница 18: ...ATOR SAP FILTER STEREO VCO STEREO FILTER SPECTRAL STEREO SEPARATION HORIZ POSITION VERT POSITION Item Name of adjustment Preset HIT LIN VSC VPS VCP WID DPC CNR TRAP HCP VFC PCOL PHUE DAC PGOF PROF PBOF RGBB HEIGHT V LINEARITY V S CORRECTION V SHIFT V COMPENSATION PICTURE WIDTH E W PARABOLA DPC E W CORNER TRAPEZIUM H COMPENSATION V F CORRECTION PIP COLOR PIP TINT DAC PIP PIP PIP RGB BRIGHT 1EH 06H ...

Страница 19: ...NFORMATIONS t VOLUME s t CHANNEL s TV VIDEO MENU POWER LOCATION OF CONTROLS Representative 36A60 Front view Rear view VIDEO AUDIO terminals TV VIDEO CHANNEL t s VOLUME T S MENU POWER Remote sensor POWER indicator Antenna Cable terminals ...

Страница 20: ...8 3 6 9 0 ENT 100 POWER o REW PAUSE FF SOURCE STILL PIP SLOW PIP CH LOCATE SWAP STOP PLAY REC TV VCR TV VIDEO FAV CH A EXIT POWER Channel Number CH RTN MENU EXIT TV VIDEO VOLUME T S Menu T S MUTE RECALL CHANNEL s t Menu s t TV CABLE VCR switch Set to TV to control the TV FAV CH s button PIP function Remote Control ...

Страница 21: ...nnel you want to erase using the CHAN NEL s or t button or select the channel you want to add using the Channel Number buttons 2 Press MENU then press S or T until the SET UP menu appears 3 Press t or s until ADD ERASE is highlighted 4 Press S or T To erase the channel Press the button until ERASE is highlighted To add the channel Press the button until ADD is highlighted 5 Repeat steps 1 to 4 for...

Страница 22: ... 21 GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS QM01 V CHIP ZY01 PIP Module CIRCUIT BLOCK DIAGRAM ...

Страница 23: ...3 F 20 16V C201 24539104 PF 0 1 F C204 24797010 EL 1 F 20 50V C205 24794100 EL 10 F 20 16V C207 24436270 CD 27pF C208 24436270 CD 27pF C209 24436270 CD 27pF C216 24797100 EL 10 F 20 50V C220 24797229 EL 2 2 F 20 50V C221 24232103 CD 0 01 F 80 20 C222 24232103 CD 0 01 F 80 20 C223 24232103 CD 0 01 F 80 20 C224 24539104 PF 0 1 F C225 24539104 PF 0 1 F C226 24539104 PF 0 1 F C245 24206108 EL 0 1 F 20...

Страница 24: ...086061 EL 470 F 20 200V C811 24092597 CD 4700pF 20 AC250V C811A 23960136 Adhesive TSE3843 W C812 24092597 CD 4700pF 20 AC250V C813 24092597 CD 4700pF 20 AC250V C815 24092597 CD 4700pF 20 AC250V C816 24092597 CD 4700pF 20 AC250V C817 24092339 CD 330pF 10 2kV C818 24082402 PF 2200pF 3 1250V C821 24214471 CD 470pF 10 500V C822 24567104 PF 0 1 F C823 24212471 CD 470pF 10 C829 24591122 PF 1200pF C832 2...

Страница 25: ...0 F 20 16V CZ23 24814103 Chip 0 01 F 80 20 CZ24 24814103 Chip 0 01 F 80 20 CZ25 24203100 EL 10 F 20 16V CZ26 24814103 Chip 0 01 F 80 20 CZ28 24814103 Chip 0 01 F 80 20 CZ29 24814103 Chip 0 01 F 80 20 CZ30 24203100 EL 10 F 20 16V CZ31 24092178 Chip 0 1 F 10 25V CZ32 24781150 Chip 15pF SL CZ33 24781390 Chip 39pF SL CZ34 24781150 Chip 15pF SL CZ35 24781390 Chip 39pF SL CZ37 24203100 EL 10 F 20 16V CZ...

Страница 26: ... 180k ohm 32A60 36A60 R475 24366181 CF 180 ohm 27A60 R475 24366391 CF 390 ohm 32A60 36A60 R476 24366823 CF 82k ohm R477 24366273 CF 27k ohm R478 24327133 MF 13k ohm 1 1 4W R481 24366333 CF 33k ohm R482 24327562 MF 5600 ohm 1 1 4W 27A60 R482 24327472 MF 4700 ohm 1 1 4W 32A60 36A60 R485 24338568 MF 0 56 ohm 1W R486 24552820 OMF 82 ohm 1 2W R487 24552301 OMF 300 ohm 1 2W R488 24327183 MF 18k ohm 1 1 ...

Страница 27: ...CF 1k ohm RA27 24366102 CF 1k ohm RA33 24366103 CF 10k ohm RA34 24366102 CF 1k ohm RA35 24366102 CF 1k ohm RA36 24366103 CF 10k ohm RA37 24366331 CF 330 ohm RA38 24366331 CF 330 ohm RA40 24366101 CF 100 ohm RA41 24366101 CF 100 ohm RA61 24366103 CF 10k ohm RA62 24366103 CF 10k ohm RA67 24366472 CF 4700 ohm RA68 24366472 CF 4700 ohm RA71 24366683 CF 68k ohm RA72 24366223 CF 22k ohm RA73 24366103 CF...

Страница 28: ...Peaking TRF4109AJ L122 23238562 Coil Peaking TRF4109AJ L301 23103880 Coil Ferrite Bead TEM2011Y L400 23238714 Coil Peaking TRF4100AJ L441 23233072 Coil Linearity TLN2115G 27A60 L441 23233941 Coil Linearity TLN2157G 32A60 L441 23233979 Coli Linearity TLN2206AG 36A60 L442 23248122 Coil Choke TLN3384D 32A60 L442 23248121 Coil Choke TLN3383D 36A60 L461 23248115 Coil Choke TLN3367D 32A60 L461 23248179 ...

Страница 29: ... Q QB60 23114530 Transistor 2SA933S Q QB61 23114528 Transistor 2SC1740S Q QM02 23114530 Transistor 2SA933S Q QM03 70119743 IC PST523D QS60 23314965 Transistor KTC3198 Y QS61 23314965 Transistor KTC3198 Y QS62 A6012040 Transistor RN2204 QS63 A6342200 Transistor 2CS2878 A QS64 A6342200 Transistor 2CS2878 A QV01 23906364 IC MM1313BD QV02 23904943 IC MM1111XS QV14 23114530 Transistor 2SA933S Q QV60 23...

Страница 30: ...king TRF4100AZ G891 23280016 Coil Peaking TRF4100AZ G908 23289100 Coil Peaking TRF4100AF G916 24366101 CF 100 ohm 27A60 G933 24366750 CF 75 ohm G945 24366101 CF 100 ohm 27A60 G946 24366101 CF 100 ohm 27A60 H002 23148271 Module MVUS33A US IMA H003 23344420 RF Switch RSU133X5 H003A 23740989 Nut F Connector KB01 23906805 Remote Sensor PIC TB17 P801 23372112 Power Cord P900 23164724 Plug 3P 36A60 P910...

Страница 31: ...ET PARTS A201 23549714 Front Cover 27A60 A201 23549928 Front Cover 32A60 A201 23510497 Front Cover 36A60 A411 23540106 Back Cover 27A60 A411 23549930 Back Cover 32A60 A431 23427321 Back Cover 36A60 A701 23524502 Container 27A60 A701 23525037 Container 32A60 A701 23064057 Case 36A60 A703 23935996 Packing Top 27A60 A703 23946024 Packing Top 32A60 A703 23935769 Packing Top 36A60 A708 23935997 Packing...

Страница 32: ... 31 32 MAIN BOARD PB9361 BOTTOM FOIL SIDE ...

Страница 33: ... 33 34 PIP TIF DRIVE BOARD PB9362 BOTTOM FOIL SIDE CRT DRIVE BOARD PB8642 BOTTOM FOIL SIDE V CHIP BOARD PB8688 BOTTOM FOIL SIDE ...

Страница 34: ... 2SC1569 2SC4544 2SA1788 2SA1306 2SA1186A 3 2SC752GTM 2SC2482 2SC2655 2SC4721P 4 2SC752 2SA562TM 2SA1015 2SC1815 2SC2878 2SC1740S 2SC2120 2SA9335 5 2SA1788 6 RN2203 RN2201 RN2004 RN1203 RN1204 RN2204 RN1205 RN1202 RN1201 7 2SD1554 2SD2253 2SD1556 2SD2553 2SC5143 E C B B C E BCE B CE B C E E C B E C B 8 ON4409 B C E ...

Страница 35: ... 36 GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS MEMO ...

Страница 36: ...AC 60Hz AUDIO POWER 5W 5W SPEAKER TYPE 2 3 8 x 4 3 4 inches 60 x 120 mm VIDEO AUDIO TERMINALS S VIDEO INPUT Y 1V p p 75 ohm negative sync C 0 286V p p burst signal 75 ohm VIDEO AUDIO INPUT VIDEO 1V p p 75 ohm negative sync AUDIO 150mV rms 30 modulation equivalent 47k ohm ColorStream Color Difference VIDEO AUDIO INPUT Y 1V p p 75 ohm Cr 0 7V p p 75 ohm Cb 0 7V p p 75 ohm AUDIO 2V p p 1 kohm DIMENSI...

Страница 37: ...HIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN FILE NO 020 200016 SERVICE MANUAL COLOR TELEVISION N0S Chassis 27A60 32A60 36A60 TAC0020 PUBLISHED IN JAPAN Jun 2000 So TAC0021 TAC0022 ...

Страница 38: ...sistors are 1 6W and 5 tolerance carbon resistor unless otherwise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unle...

Страница 39: ...ervicing 4 Voltages read with DIGITAL MULTI METER from point indicated to chassing ground using a color bar signal with all controls at normal line voltage 120 volts 5 Waveforms are taken receiving color bar signal with enough sensitivity 6 Voltage reading shown are nominal values and may vary 20 except H V NOTE 1 RESISTOR Resistance is shown in ohm K 1 000 M 1 000 000 All resistors are 1 6W and 5...

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