Toshiba 20A43 Скачать руководство пользователя страница 34 | Manualshive

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TOSHIBA CORPORATION

1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN

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Содержание 20A43

Страница 1: ...SERVICE MANUAL COLOR TELEVISION 20A43 FILE NO 050 200308 DOCUMENT CREATED IN JAPAN Apr 2003 ...

Страница 2: ...which has the same character Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the designated parts must be used 4 PUT PARTS AND WIRES IN THE ORIGINAL POSITION AFTER ASSEMBLING OR WIRING There are parts which use the insulation material such as a tube or tape for safety or which are assembled in the condition that these do not...

Страница 3: ...D WHEN REPLACING EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAMS PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON CHROMA TUNER DEFLECTION CRT TV POWER SOUND COMB FILTER AV WAVEFORMS MECHANICAL EXPLODED VIEWS MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A1 1 A1 1 A1 1 A2 1 A3 1 A3 5 B1 1 B2 1 B2 2 C1 1 C1 1 C1 1 D 1 D 5 E 1 E 2 F 1 F 4 G 1 G 2 G 3 G 4 G 5 G 6 G...

Страница 4: ...H Destination USA W CATV Tuning System F Synth Input Impedance VHF UHF 75 ohm 2 69 4A A 5 A 1 CH Coverage A I J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 50MHz Preset CH No Stereo Dual TV Sound Yes Tuner Sound Muting Yes G 3 Power Power Source AC 120V AC 60Hz DC Power Consumption at AC 90 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year kWh Ye...

Страница 5: ...s On Timer Yes Language Yes V chip Yes CH Label No Favorite CH No Color Stream DVD DTV No Control Level Yes Volume Yes Brightness Yes Contrast Yes Color Yes Tint Yes Sharpness Yes Tuning No Bass Yes Treble Yes Balance Yes Stereo Audio Output SAP Yes Video Yes Color Stream No Channel TV Cable Yes CH Label No Game Timer Yes Sleep Timer Yes Sound Mute Yes V chip Rating Yes 16 9 No G 8 OSD Language En...

Страница 6: ...s 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption Text Yes CH1 CH2 Yes TV Video TV AV Yes CH RTN CH ENT Quick View Yes Sleep Yes RE Call Call Yes Reset Yes Menu Yes Enter Yes Mute Yes Exit No MTS Audio Select Yes Set Yes Set Yes 16 9 No Multi Brand Keys CH Up VCR No CH Down VCR No Pause Still No TV VCR VCR No Code No FF No Rew No Rec No Play No S...

Страница 7: ...o Lock Yes Game Timer Yes Energy Star No Favorite CH No Surround Yes 16 9 Mode No G 12 Accessories Owner s Manual Language English French W Warranty Yes Remote Control Unit Yes Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No DC Car Cord Center No Guarantee Card No Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility List No Important Safety Instruction No...

Страница 8: ...io Output No Euro Scart No Color Stream No Diversity No Ext Speaker No DC Jack 12V Center No VHF UHF Antenna Input F Type AC Outlet No G 14 Set Size Approx W x D x H mm 590 x 492 x 446 5 G 15 Weight Net Approx 21 0kg 46 3 lbs Gross Approx 23 8kg 52 5 lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin No Gift Box Yes Material Double Brown Dimens...

Страница 9: ...ed Flip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 DISASSEMBLY INSTRUCTIONS GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 1 Fig 1 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean ...

Страница 10: ...using a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering the IC leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering...

Страница 11: ...2 8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and insta...

Страница 12: ...l hours 16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value C 1 WHEN REPLACING EEPROM MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC the following steps should be taken to ensure correct data settings while making reference to TABLE 1 Table 1 1 2 3 4 5 6 7 8 9 10 11 The unit will now have the cor...

Страница 13: ...T OFF H VCO H PHAS V SIZE V SHIFT R DRIVE B DRIVE R BIAS G BIAS B BIAS BRIGHT CENT BRIGHT MAX BRIGHT MIN CONTRAST CENT NO 00 01 04 05 06 07 08 09 10 11 12 13 14 15 16 Fig 1 2 NO 17 18 19 20 21 22 23 24 25 26 27 28 29 30 TV 00 OSD 17 2 4 FOCUS 1 2 3 Receive the monoscope pattern Turn the Focus Volume fully counterclockwise once Adjust the Focus Volume until picture is distinct 2 3 WHITE BALANCE NOT...

Страница 14: ...Audio Out Jack R ch Press the AUDIO SELECT button on the remote control to set to the stereo mode Activate the adjustment mode display of Fig 1 1 and press the channel button 26 on the remote control to select SEP 1 Press the VOL UP DOWN button on the remote control to adjust it until the R ch output becomes minimum Set the multi sound signal generator L ch Non input R ch 1KHz and receive the RF C...

Страница 15: ...E knob of the oscilloscope until the range between white 100 and 0 is set to 4 scales Press the VOL UP DOWN button on the remote control until the red color level is adjusted to 110 of the white level Refer to Fig 2 3 Receive the color bar pattern Audio Video Input Press the TV VIDEO button on the remote control to set to the AV mode Then perform the above adjustments 2 8 2 18 Confirmation of Fixe...

Страница 16: ...performing adjustments in section 3 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue color Adjust the...

Страница 17: ...TION GUIDE WIRING CONNECTION D 5 CRT DY TU001 CP401 VR502 FB401 J701 CP601 AC IN MAIN PCB CP806 CRT PCB TP402 CP802B CP803B CP803A CP802A TP022 TP024 J1001 J712 J711 J710 CP502 L503 CP1001 SPEAKER VR402 VR401 S501B S501A DEGAUSS COIL J801 CP801 C D 8 0 1 CRT ...

Страница 18: ...7 13 FEED BACK SW Q502 BUFFER 5 MEMORY IC IC199 S 24C04BDP LA POWER VOL DOWN CH DOWN VOL UP CH UP X601 3 579545MHz OS101 1 11 Q105 SW Q503 PROTECT DRV MICON CHROM IC IC101 OEC7091A D106 Chroma Proc ACC C BPF APC KILLER TINT DEMO IC501 LTV 817M VB TU001 13 12 11 10 17 76 66 72 71 SOUND DECORDER IC IC901 AN5829S Q501 SWITCHING D501 D504 RECTIFIER AC IN F501 L503 DEGAUSS COIL TH501 RY501 RELAY Q504 R...

Страница 19: ...15 C345 C316 C324 C302 C328 C317 C325 C346 C321 C322 C320 C332 W869 W027 C118 C606_1 C623 C103 C632 C630_1 C617 C610 C106 C601 X601 C605 IC199 C620 C621 D603 D604 C602 R104 Q601 W030 W031 Q602 Q603 Q610 C652 W016 R605 R602 W001 W017 R606 W007 C628 W003 R614 R613 R615 Q608 Q606 R620 R611 Q607 W045 D606 R618 W074 W071 W065 R107 R108 R515 R124 R130 W061 R608 Q609 W059 W013 W057 W056 W055 W054 R115 W0...

Страница 20: ...04 R1003 R903 C908 C913 C916 C918 C912 IC901 C914 C917 R906 R904 R1516 IC302 C301 R314 C309 C307 C343 C327 C344 R308 C323 I C 1 0 1 C102 C101 C104 C105 C107 C108_1 R102 R103 C113_1 R120 C603 C604_1 R601 C609 R604 C618 C626 C627_1 R610 R607 R627 R609 C629 R621 R617 R616 R109 R110 R106 R105 R129 R121_1 C001 R004 R003 R126 R128 R404 R1517 R628 C647 C809 C810 C811 R006 R111 R311 R113 W833 W879 W880 R1...

Страница 21: ... 16V KANP CP601 173979 7 1 2 3 4 5 6 7 TM101 RC EH030 BT002 R03 AB E_2P_G BT001 R03 AB E_2P_G S801X Y_IN P CON 5V CLAMP_OFF PROTECT P CON 5V H_OUT H_CTL ABCL CLAMP H_CTL G OUT R OUT H_SYNC B OUT PROTECT DEGAUSS_H CLAMP_OFF V_OUT GND V_FEEDBACK P CON 8V A AT 5V ABCL H_OUT P CON 8V B X RAY SDA R OUT G OUT SCL UNREG 12V B OUT H_SYNC REMOTE 12V AFT TU BT POWER_FAIL KEY1 V_OUT UNREG 12V X RAY KEY2 V_FE...

Страница 22: ... 2W R410 680 1 2W R411 1K 1 2W R412 470 1 2W R422 6 8K 1 2W R445 150K 1 2W R433 470 1 2W R413 1 8K 1 2W R406 1 1 2W R437 4 7K R813 470 R816 470 R815 470 R804 2 7K 1 4W R425 5 6K 1 2W OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE LES PIECES REPA...

Страница 23: ...001 250V KX C505 0 22 275V ECQUL C511 47 25V YK C501 1000 25V YK C508 4 7 100V YK C520 22 50V YK R503 1 2M 1 4W R504_1 1K 1 4W R507 150 R532 1 5K R533 270 R534 100 R511 1 2M 1 4W R505 270 R514 5 6K 1 4W R554 100K 1 4W R553 5 6K 1 4W R500 2 7M 1 2W 10 R515 10K 1 4W R520 1 5M 1 2W R516 100 1 4W R525 10K 1 4W R523 47K 1 4W R512 10K 1 4W R528 3 3K 1 4W R513 100 R529 22K 1 4W OF PRINTING AND SUBJECT TO...

Страница 24: ...4W R308 1K R314 220K R311 1K R1015 68K 1 4W OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE LES PIECES REPAREES PAR UN ETANT ATTENTION SINCE THESE PARTS MARKED BY CAUTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE W840 W865 W86...

Страница 25: ... 0 01 B C1514 100 10V YK C1513 100 6 3V KA C1512 100 16V YK R1522 5 6K R1517 330 R1503 2 7K R1504 100 R1505 100 R1502 560 R1506 820 R1516 150 R1501 820 R1508 1K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W898 W854 W824 W897 W813 W818 TUNER VIDEO SIGNAL Q1505 KTC3198 BUFFER Q1502 KTC3198 BUFFER LUMINANCE SIGNAL C1504 0 47 50V KANP GND STER...

Страница 26: ... DC VOLTAGE AT EACH PART WAS MEASURED C723 0 0039 B C724 0 0039 B C702 10 16V KA C703 10 16V KA C704 10 16V KA C701 10 16V KA R733 1K R708_1 75 1 4W R709 1K R711 1K R712 75 1 4W R734 1K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W851 W841 TUNER VIDEO SIGNAL AUDIO SIGNAL D702 MTZJ6 8B D704 MTZJ6 8B S802X FRONT_AUDIO_L FRONT_AUDIO_R REAR_AU...

Страница 27: ...n number in the schematic diagram 3 200mV 20µs div 0 5V 5ms div 4 2 20V 20µs div 5 1V 20µs div 6 1V 20µs div 200mV 20µs div 8 1V 20µs div 7 DEFLECTION CRT 14 0 5V 5ms div 15 20V 20µs div 16 2V 20µs div 50V 20µs div 20 10V 5ms div 19 200V 20µs div 17 10V 5ms div 18 21 50V 20µs div MICON CHROMA TUNER ...

Страница 28: ...waveforms were measured at the point of the corresponding balloon number in the schematic diagram 22 50V 20µs div SOUND 25 0 5V 1ms div 26 200mV 1ms div 200mV 1ms div 27 31 200mV 1ms div 0 5V 1ms div 32 0 5V 1ms div 33 28 200mV 1ms div ...

Страница 29: ...CB110 CRT PCB ASS Y 205 206 206 PCB010 MAIN PCB ASS Y 109 204 205 103 204 108 MECHANICAL EXPLODED VIEW I 1 202 113 202 102 202 202 202 202 104 203 202 106 113 113 101B 101C 101A 101 101F 101F 110 105 111 203 203 101D 101E 101E 101D ...

Страница 30: ... 110 AE000007 7220001107 SHEET HWC 111 AE000006 7220001119 SHEET CSA WARNING 112 AD300135 769WSA0011 WASHER CRT T 0 5 113 AD301894 800WQ0A020 FELT SHEET 201 BZ710275 8121J50B54 SCREW TAP TITE P GW20 5x28 202 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 BZ710031 8110630A04 SCREW TAP TITE P BRAZIER 3x10 204 BZ710239 8109I30A04 SCREW TAP TITE B WH7 3x10 205 BZ710019 8109630802 SCREW TAP TITE B...

Страница 31: ...24M CMP 0 22 UF 275V ECQUL C506 BZ110035 P2122B104M CMP 0 1 UF 275V ECQUL C507 AD301635 E51CGC331M CE 330 UF 200V C514 AD301320 C0PLRR7U2K CC 680 PF 2KV R C517 BZ110201 C0PLRR7H3K CC 0 0022 UF 2KV R C518 AD301108 CD39E0MH3M CC 0 0022UF 250V C521 AD300060 E62NFB101M CE 100 UF 160V C530 AD301026 CD39E0M13M CC 0 001 UF 250V C531 AD300925 E02LT2102M CE 1000 UF 16V C533 AD301026 CD39E0M13M CC 0 001 UF ...

Страница 32: ...RANSISTOR SILICON KTC3203_Y AT Q503 BZ510004 TA3T016240 TRANSISTOR SILICON 2SA1624 AA Q504 BZ510069 TCATC31980 TRANSISTOR SILICON KTC3198 AT Y GR Q507 BZ510069 TCATC31980 TRANSISTOR SILICON KTC3198 AT Y GR Q601 BZ510070 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT Q602 BZ510070 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT Q603 BZ510070 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT Q606 BZ510070 TCAT03203...

Страница 33: ... A1561WV2 A5P CP402 BZ614444 069D01001A CONNECTOR PCB SIDE 003P 2100 CP502 AD300687 069S420110 CONNECTOR PCB SIDE A1561WV2 2P CP601 BZ614102 0694270139 CONNECTOR PCB SIDE 173979 7 CP801 BZ614269 069S320010 CONNECTOR PCB SIDE A2361WV2 2P CD1001 AD301449 06CH14411A CORD CONNECTOR CH14411A CP1001 AD301045 069S140419 CONNECTOR PCB SIDE A2502WV2 4P CP802A BZ614333 067U006049 WIRE HOLDER B2013H02 6P CP8...

Страница 34: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

Страница 35: ...0A43 SUMMARY This supplement serves as an update to the original Service Manual file number 050 200308 Please refer to this Supplement in conjunction with the original Service Manual when servicing this model SUPPLEMENT DOCUMENT CREATED IN JAPAN Nov 2003 ...

Страница 36: ...ORK DIV INTERNATIONAL CUSTOMER SERVICE SUPPORT DEPT 11F B TOSHIBA BLDG 1 1 SHIBAURA 1 CHOME MINATOKU TOKYO 105 8001 JAPAN FACSIMILE 03 5444 9439 PONE 03 3457 3536 TOSHIBA CORPORATION KATSUMI TSUNODA MANAGER INTERNATIONAL CUSTOMER SERVICE SUPPORT DEPT The color of a screen stops coming out Parts exchange 72222492 or younger Symptom Corrective action Applicable units ...

Страница 37: ...77 AD300070 D608 D97U01201B DIODE ZENER MTZJ12B T 77 AD300070 D609 D97U01201B DIODE ZENER MTZJ12B T 77 AD300070 PCB010 A3M901H010 MAIN PCB ASS Y FOR USA VERSION A TMC563A AE000672 A3M901X010 MAIN PCB ASS Y VERSION B TMC563A AE002800 PCB010 A3M902A010 MAIN PCB ASS Y FOR CANADA VERSION A TMC563A AE000678 A3M901X010 MAIN PCB ASS Y VERSION B TMC563A AE002800 All parts are interchangeable between versi...

Страница 38: ...ATIONAL CUSTOMER SERVICE SUPPORT DEPT 11F B TOSHIBA BLDG 1 1 SHIBAURA 1 CHOME MINATOKU TOKYO 105 8001 JAPAN FACSIMILE 03 5444 9439 PONE 03 3457 3536 TOSHIBA CORPORATION KATSUMI TSUNODA MANAGER INTERNATIONAL CUSTOMER SERVICE SUPPORT DEPT The picture and sound are not normal when modulation is made high Parts exchange 81585204 or younger Symptom Corrective action Applicable units ...

Страница 39: ...001 0163100002 RF UNIT ENG36A01G AD302169 0163100007 RF UNIT ENG36A01GR AE001528 Improvement of over modulation PCB010 A3M901X010 MAIN PCB ASS Y VERSION B TMC563A AE002800 A3M901X010 MAIN PCB ASS Y VERSION D TMC563A AE002800 All parts are interchangeable between version ELECTRICAL REPLACEMENT PARTS LIST ...

Страница 40: ...L MEDIA NETWORK DIV INTERNATIONAL CUSTOMER SERVICE SUPPORT DEPT 11F B TOSHIBA BLDG 1 1 SHIBAURA 1 CHOME MINATOKU TOKYO 105 8001 JAPAN FACSIMILE 03 5444 9439 PONE 03 3457 3536 TOSHIBA CORPORATION KATSUMI TSUNODA MANAGER INTERNATIONAL CUSTOMER SERVICE SUPPORT DEPT Parts exchange and memory data change 93999999 or younger Corrective action Applicable units ...

Страница 41: ...select DATA When DATA is selected it will blink Again step through the DATA using SET button until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input After the data input set to...

Страница 42: ...N TSB P N CAUSE IC101 I56F07091A IC OEC7091A I56F07091B IC OEC7091B AE002804 MICON VERSION UP PCB010 A3M901X010 MAIN PCB ASS Y VERSION D TMC563A AE002800 A3M901X010 MAIN PCB ASS Y VERSION E TMC563A AE002800 All parts are interchangeable between version ELECTRICAL REPLACEMENT PARTS LIST ...

Страница 43: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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