Toshiba 24AF43 Service Manual Download Page 33 | Manualshive

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Summary of Contents for 24AF43

Page 1: ...SERVICE MANUAL COLOR TELEVISION 24AF43 FILE NO 050 200310 DOCUMENT CREATED IN JAPAN Apr 2003 ...

Page 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...

Page 3: ...EMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAMS PRINTED CIRCUIT BOARDS MAIN CRT CRT VM COIL SCHEMATIC DIAGRAMS MICON CHROMA DEFLECTION POWER SOUND TUNER STEREO AV COMB FILTER CRT 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 F 5 G 1 G 2 G 3 G 4 G 5 G 6 G 7 G ...

Page 4: ...CH 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 125 W at AC 120 V 60 Hz Stand by at AC 3 W at AC 120 V 60 Hz Per Year kWh ...

Page 5: ...n Off Timer Yes Color Stream DVD DTV Yes Control Level Yes Volume Yes Brightness Yes Contrast Yes Color Yes Tint NTSC Only Yes Sharpness Yes Tuning No Bass Yes Treble Yes Balance Yes Back Light No Stereo Audio Output SAP Yes Video Yes Color Stream Yes Channel TV Cable Yes CH Label Yes Game Timer Yes Sleep Timer Yes Sound Mute Yes V chip Rating Yes 16 9 Yes G 8 OSD Language English French Spanish G...

Page 6: ...s CH Down Yes Volume Up Yes Volume Down Yes C C TV Caption Text Yes CH1 CH2 Yes TV Video Input Select Yes CH RTN Quick View Yes SLEEP Yes RECALL Call Yes Reset Yes Menu Enter Yes Mute Yes Exit Yes MTS Audio Select Yes Fav Up Yes Fav Down Yes 16 9 Yes Multi Brand Keys CH Up VCR Yes CH Down VCR Yes Pause Still Yes TV VCR VCR Yes FF Yes Rew Yes Rec Yes Play Yes Stop Yes TV Yes VCR Yes Cable Yes DVD Y...

Page 7: ...es Game Timer Max Time 120 Min Yes Energy Star Yes Favorite CH Yes Surround Yes 16 9 Mode Yes 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 Station List No Important Safety Ins...

Page 8: ...2 Euro Scart No Color Stream RCA x 3 S Input Yes 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 670 x 471 5 x 509 G 15 Weight Net Approx 33 kg 72 8 lbs Gross Approx 36 5 kg 80 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 ...

Page 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 ...

Page 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...

Page 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...

Page 12: ...e 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 correct DATA for the new MEMORY IC Enter DATA ...

Page 13: ...2 Press the MENU button on the remote control to end the adjustments FUNCTION OSD H CUT OFF H VCO H PHASE AFC GAIN V SHIFT H SIZE V SIZE V LINEARITY VS CORRECTION DRIVE R DRIVE B R CUT OFF G CUT OFF B CUT OFF BRIGHT MAX BRIGHT CENT BRIGHT MIN CONTRAST MAX NO 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 Fig 1 2 NO 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 88 TV 00 OSD 34 2 4...

Page 14: ...the remote control to adjust it until the audio output wave becomes a fine sine wave Press the CH UP button once the set to SEP 2 mode Then perform the above adjustment 4 Method 1 1 2 3 4 5 6 7 8 9 Set the multi sound signal generator L ch 1KHz R ch Non input and receive the RF Connect the oscilloscope to the Audio Out Jack R ch Press the AUDIO SELECT button on the remote control to set to the ste...

Page 15: ... 3 4 5 6 7 8 9 10 11 Receive the color bar pattern Connect the oscilloscope to TP806 Activate the adjustment mode display of Fig 1 1 and press the channel button 24 on the remote control to select TINT Press the VOL UP DOWN button on the remote control until the section A becomes as straight line Refer to Fig 2 1 Connect the oscilloscope to TP804 Activate the adjustment mode display of Fig 1 1 and...

Page 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...

Page 17: ...2 TP003 VR502 CP101 CP801A J704 J702 J1001 J705 J706 J707 CP1001 OS101 CP802A CP851A VR401 J701 J703 J708 SPEAKER CRT FB401 TU001 CP501 AC IN CD501 CRT CP852B CP803 CP804 TP806 TP804 R808 R804 CP852 CP851B CP802B CP801B J801 CRT CRT PCB VM COIL PCB MAIN PCB CD803 CD852 CD801 CD802 CD851 CD1001 CP401 ...

Page 18: ... IC401 LA78041 CRT V801 15 16 14 B OUT G OUT R OUT 33 BLANK Q803 Q812 BLUE AMP Q802 Q811 GREEN AMP Q801 Q810 RED AMP FB401 Q405 Q402 H OUT H DRIVER 5 1 16 18 3 COMB FILTER IC IC1501 LA76600M TLM Y OUT C OUT Y IN 4 2 Vin1 Vin2 V OUT 2 6 4 6 Vin1 Vin2 V OUT 3 4 6 LINE2 REAR J703 6 2 2 YUV_IN REAR J704 3 5 2 24 14 23 3 6 4 2 Vin1 Vin2 V OUT 2 3 2 3 2 6 4 2 Vin1 Vin2 V OUT 2 3 30 19 TONE IC IC302 AN58...

Page 19: ...106 W112 R124 W094 W111 W044 TU001 D001 D709 W062 W133 C701 C702 C728 R710 C711 C707 C708 C1011 C1004 C1007 C1009 C1008 IC1001 HS1001 R1009 W803 W136 W137 W130 C1005 W138 W072 W134 W060 C1518 C1510 L1505 L1503 L1502 L1508 C1520 C1501 C1502 L1511 C1528 L1510 C1525 W156 W858 W166 W077 W076 C001_1 L1501 C1532 W146 W145 C642 C605 D602 D601 R603 D603 W162 X602 C630 C627 C622 Q607 W075 W058 W070 W073 W1...

Page 20: ...708 R725 R704 R706 R705 R1013 Q1001 R1003 R1011 R1004 R1010 C1010 C1012 Q709 R709 R006 IC1503 IC1502 C1512 C1516 R1529 R1528 R1505 Q1503 C1513 C1517 R1506 R1507 C1519 C1509 C1515 C1504 R1504 C1514 R1503 C1506 C1507 IC1501 C1503 R1502 C1521 C1508 R1508 Q1504 R1509 R1510 C1531 Q1508 R1530 C1505 Q1507 R1516 C1526 R1518 R1519 C1523 C641 R1520 C1533 R637 R632 C136 C137 C138 C632 R618 C631 C624 C614 R61...

Page 21: ...R873 R874 R876 R870 R867 L802 L803 L804 C862_1 C863_1 D858 D857 W006 W004 D854 W009 B853 C858 C859 Q858 Q859 HS851 CP852B S851 S852 C821_1 R814 R813 R810 R815 R809 R811 C804 R817 C806 R821 R819 C805 R812 R862 R863 R865 R864 C857 R858 R861 R860 C855 R854 C856 R859 R856 R853 CP852 W806 R855 D804 D805 W001 D807 D809 W007 CP851B CP802B CP801B D808 W008 W811 W003 C809 D806 R822 W820 R820 C 8 0 8 W804 W...

Page 22: ...1 4W R126 100 R125 10 R131 1K R132 100 1 4W C115_1 820P B C128 0 1 F C121 0 01 B C109 0 1 B C135 10P CH C136 0 1 B C137 0 1 B C138 0 1 B C131 150P CH C106 0 1 B C140 220P CH C141 220P CH C144 220P CH C142 220P CH C143 220P CH C146 33P CH C102 27P CH C104 27P CH C120 0 001 B C111 0 001 B C113 0 1 B C117 47P CH C119 220P CH OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM...

Page 23: ...V YK C611 1 50V KA C642 1 50V KA C603 47 16V YK C602_1 1 50V YK D601 1SS133 D608 11E1 EIC D605 1SS133 D606 1SS133 D607 1SS133 Q603 KTC3875S_Y_RTK 6dB AMP Q610 KTC3875S_Y_RTK SVM Q607 KTC3203_Y AT 5V REG Q606 KTC3209_Y P CON 5V REG Q605 KTC3875S_Y_RTK 6dB AMP Q611 KTC3209_Y P CON 8V REG Q602 KTC3209_Y P CON 5V REG Q604 KTC3209_Y P CON 5V REG Q601 KTC3209_Y P CON 8V REG Q613 KTC3875S_Y_RTK SVM OFF X...

Page 24: ...OR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED R409_1 1K R462 10K R443 150K 1 2W R420 2 2 1 2W R417 33K R415 820 R404 100 R430 82K 1 2W R427 820 1 2W R418 820 1 2W R406 470 1 2W R437 1 1 2W R449 27K R448 68K R461 1K R401 4 7K R455 220 1 2W R457 4 7K 1 4W R456 5 6K 1 2W R458 1K R407 1 2K R428 100 1 4W R453 10K R432 8 2K 1 2W R429 560 1 2W R433 560 1 2W R421 560 1 2W R422 680 1 2W R416 5...

Page 25: ...STER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED R503 10K 1 4W R535 3 9K 1 4W R553 6 8K 1 2W R540 1 2M 1 4W R539 1 2M 1 4W R510 100 1 4W R516 10K R512 2 2K 1 2W R500 2 7M 1 2W 10 R511 22K R545 150 1 4W R533 270 R554 100K 1 2W R506 6 8K 1 4W R513 10K R505 10K 1 4W R507 82K 1 4W R547 100 1 4W R536 4 7K 1 4W R525 15K R524 3 3K 1 4W R515 10K 1 4W R520 1 5M 1 2W R546 1001 4W ...

Page 26: ...K R1002 390 1 2W R1001 390 1 2W R1009 10K 1 4W R314 220K R311 10K R1011 10K R1004 8 2K R1003 8 2K R1013 10K R303 100 1 4W R304 100 1 4W R1010 10K R302 2 7K 1 4W R301 2 7K 1 4W C320 56P CH C322 56P CH C326 0 033 B C324 0 0033 B C323 0 0033 B C325 0 033 B C301 0 033 B C312 0 01 B C1005 220P B C334 1 B C311 0 1 B C315 0 1 B C303 0 01 B C310 0 033 B C313 0 01 B C307 0 015 B C309 0 039 B C1012 0 0047 B...

Page 27: ...0M 1 4W R006 100 R001 68K 1 2W R002 68K 1 2W R904 220 1 4W R905 56K 1 4W C912 0 022 B C908 0 022 B C911 0 047 B C913 0 1 B C917 0 1 B C915 0 1 B C918 0 1 B C005 0 1 F C002 0 1 B W820 W819 W830 W829 W812 D001 MTZJ33B C902 1 50V KA C901 1 50V KA C919 10 50V YK TUNER 5V TUNER_VIDEO P CON 8V B P CON 5V P CON B GND AFT SCL SDA J_AUDIO_OUT_L J_AUDIO_OUT_R SW_AUDIO_L SW_AUDIO_R J_AUDIO_OUT_L J_AUDIO_OUT_...

Page 28: ...SURED R701 560 1 4W R702 220 1 4W R729 75 R726 1K R733 1K R727 75 R734 1K R728 1K R739 75 R705 3 3K R706 3 3K R709 270 R703 2 2K R725 75 R736 75 R730 75 R708 1K R724 75 R711 1K R710 1K 1 4W R704 1K R735 75 R721 68 R745 1K R746 1K C736 0 0056 B C738 0 0056 B C725 1 B C722 1 B C735 0 0056 B C737 0 0056 B C727 1 B C724 1 B C734 0 1 B C706 0 1 F C741 0 0056 B C742 0 0056 B C719 1 B C720 1 B D703 MTZJ1...

Page 29: ...K C1521 0 1 B C1509 0 01 B C1513 0 1 B C1517 100P CH C1519 0 1 B C1531 0 01 B C1504 0 1 B C1505 1 B C1508 0 1 B C1515 0 1 B C1514 0 1 B C1516 0 1 B C1512 0 1 B C1506 0 1 B C1507 0 1 B C1503 0 1 B C1526 0 01 B C1533 22P CH C1523 0 1 F W848 C1510 100 6 3V YK C1528 100 16V YK C1501 100 6 3V YK C1502 100 6 3V YK C1518 1 50V KA C1520 100 6 3V YK C1525 100 6 3V YK C1530_1 47 16V KA C1535 10 16V KA Q1508...

Page 30: ... 1 2W R879 2 7 1 2W R880 2 7 1 2W R828 2 7K 1 4W R829 2 7K 1 4W R813 220 1 4W R814 220 1 4W R809 100 1 4W R822 100 1 4W R811 1 8K 1 4W R812 1 8K 1 4W R815 220 1 4W R820 100 1 4W R821 330 1 4W R819 330 1 4W R818 100 1 4W R817 330 1 4W R810 1 8K 1 4W C821_1 100P CH C861 0 0047 500V B C859 100P CH C856 0 01 B C855 560P CH C857 0 001 B C858 100P CH C860 0 0047 500V B C865 150P 500V B C808 0 0022 2KV B...

Page 31: ... 1V 5ms 200mV 5ms 5V 5ms 10V 22 1ms 50mV 1ms 200mV 23 1ms 100mV 24 1ms 100mV 25 4 50µs 1V 20µs 50V 19 20µs 2V 20 21 20µs 200V The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE DEFRECTION SOUND H 1 ...

Page 32: ...27 20µs 200mV 29 20µs 50V 37 20µs 200mV 28 20µs 50V 38 20µs 50V 39 WAVEFORMS The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE AV CRT SVM H 2 ...

Page 33: ...118 203 203 203 203 119 116 120 PCB060 VM COIL PCB ASS Y PCB110 CRT PCB ASS Y 206 120 120 207 206 206 205 207 123 PCB010 MAIN PCB ASS Y 205 206 102 103 107 117 101 104 106 127 126 125 207 124 113 207 124 201 201 125 207 124 113 207 124 201 201 125 125 105 108 110 109 204 110 111 112 112 ...

Page 34: ...SHEET 122 AD300520 800WQ00068 FELT SHEET 123 BZ710260 899HV3T000 HOLDER ANODE WIRE 124 AD300518 801WR00001 DAMPER SPEAKER 125 AD300519 82A40B0104 FLAT WASHER 126 AE000007 7220001107 SHEET HWC 127 AE000006 7220001119 SHEET CSA WARNING 128 AE000425 A3M6010740 CABINET BACK ASSY 201 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 202 BZ710019 8109630802 SCREW TAP TITE B BRAZIER 3x8 203 AE000426 8141J5...

Page 35: ... 25KV C421 AD301600 P3N1F5223J CPP 0 022 UF 630V C425 BZ110182 C03L0R713K CC 0 001 UF 2KV R C426 AD300061 E5EZFD220M CE 22 UF 250V C430 BZ110195 E02LU8220M CE 22 UF 100V C442 AD301601 E53FF56R8M CE 6 8 UF 50V NP C501 BZ210176 E02LF3222M CE 2200 UF 25V C502 BZ110182 C03L0R713K CC 0 001 UF 2KV R C503 BZ110182 C03L0R713K CC 0 001 UF 2KV R C505 BZ110025 P2122B224M CMP 0 22 UF 275V ECQUL C506 BZ110035 ...

Page 36: ...D97U01201B DIODE ZENER MTZJ12B T 77 D605 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D606 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D607 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D608 BZ410043 D2WT011E10 DIODE SILICON 11E1 EIC D701 AD300070 D97U01201B DIODE ZENER MTZJ12B T 77 D702 AD300070 D97U01201B DIODE ZENER MTZJ12B T 77 D703 AD300070 D97U01201B DIODE ZENER MTZJ12B T 77 D704 AD300070 D9...

Page 37: ... Q711 BZ510109 TCAA3875SY TRANSISTOR SILICON KTC3875S_Y_RTK Q712 BZ510109 TCAA3875SY TRANSISTOR SILICON KTC3875S_Y_RTK Q801 BZ510091 TCA0042170 TRANSISTOR SILICON KTC4217 O Y Q802 BZ510091 TCA0042170 TRANSISTOR SILICON KTC4217 O Y Q803 BZ510091 TCA0042170 TRANSISTOR SILICON KTC4217 O Y Q810 AD301032 TCATC3199Y TRANSISTOR SILICON KTC3199_Y AT Q811 AD301032 TCATC3199Y TRANSISTOR SILICON KTC3199_Y AT...

Page 38: ...BT001 AE000012 1412004008 BATTERY MANGAN R03 AB E_2P_G BT002 AE000012 1412004008 BATTERY MANGAN R03 AB E_2P_G CD501 AD300746 120R615901 CORD AC BUSH 0R615901 CD801 AD301042 06CU253401 CORD CONNECTOR CU253401 CD802 AE000423 06CU274501 CORD CONNECTOR CU274501 CD803 AD300094 06CP83035A CORD CONNECTOR CP83035A CD851 AD302371 06CU244701 CORD CONNECTOR CU244701 CD852 AD301043 06CU232001 CORD CONNECTOR C...

Page 39: ...1 AD301131 098W250401 CRT W DY A60LVY196X11 O X101 AD302002 100CT8R005 CRYSTAL HC 49 U S X602 AD302003 100CT3R505 CRYSTAL HC 49 C RESISTOR RC CARBON RESISTOR CAPACITORS CC CERAMIC CAPACITOR CE ALUMI ELECTROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACITOR CMPL METAL PLASTIC CAPACITOR CMPP METAL POLYPROPYLENE CAPACITOR J2 5 ...

Page 40: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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