Toshiba 14AF44 Service Manual Download Page 30 | Manualshive

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H-1

1ms

5V

26

WAVEFORMS

1

2

3

17

16

MICON

18

50µs

1V

100µs

1V

5µs

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:

DEFLECTION

SOUND

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28
29
30
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Summary of Contents for 14AF44

Page 1: ...SERVICE MANUAL COLOR TELEVISION 14AF44 FILE NO 050 200403 ...

Page 2: ...hich 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: ... MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON CHROMA DEFLECTION CRT POWER SOUND TUNER STEREO AV COMB FILTER CRT SVM 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 7 G 8 G 9 G...

Page 4: ...ATV 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 80 W at AC 120 V 60 Hz Stand by at AC 3 W at AC 120 V 60 Hz Per Year kWh Year Protector Power Fu...

Page 5: ... Timer Yes Color Stream DVD DTV Yes Control Level Yes Volume Yes Brightness Yes Contrast Yes Color Yes Tint 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 9 Clock and Sl...

Page 6: ...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 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 Yes CODE Yes V...

Page 7: ...Timer Max Time 120 Min Yes Energy Star No 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 Instructions...

Page 8: ...CA 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 432 x 386 x 344 5 G 15 Weight Net Approx 11 0kg 24 3 lbs Gross Approx 13 0 kg 28 7 lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin Gift Box Yes Material Double Brown Dimensions W x D x H mm 540 x 46...

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: ... of leads are repaired the pattern may be damaged So always be 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 installation position of the parts around the IC If some abnormality is found correct by resoldering 5 Solder temporarily Soldering Iron INSTALLATIO...

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: ...nnel button 01 on the remote control to select CUT OFF Adjust the Screen Volume until a dim raster is obtained 2 3 WHITE BALANCE NOTE Adjust after performing CUT OFF adjustment 1 2 3 4 5 6 7 Place the set with Aging Test for more than 10 minutes Receive the gray scale pattern from the Pattern Generator Using the remote control set the brightness and contrast to normal position Activate the adjustm...

Page 14: ... VARIABLE knob of the oscilloscope until the range between white 100 and 0 is set to 5 scales on the screen of the oscilloscope Press the VOL UP DOWN button on the remote control until the red color level is adjusted to 115 10 of the white level Refer to Fig 2 2 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 ab...

Page 15: ... Method 2 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 stereo mode Activate the adjustment mode display of Fig 1 1 and press the channel button 34 on the remote control to select SEP 1 Press the VOL UP DOWN button on the remote ...

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: ...S LOCATION GUIDE WIRING CONNECTION D 5 CP803 CP801B CP802B CD802 CP806 R803 R805 TP024 TP023 J801 W003 TP003 VR502 CP101 CP801A FB401 J705 J706 J707 CP802A TU001 VR401 CD801 CRT CRT CP401 CP1001 SPEAKER CRT PCB MAIN PCB CRT L503 CP502 CP501 AC IN CD501 ...

Page 18: ...R IC IC1501 LA76605M TLM C OUT Y OUT Y IN 4 2 VIDEO SW Y IC IC1502 MM1501XNRE Vin1 Vin2 V OUT 2 VIDEO SW C IC IC1503 MM1501XNRE 6 4 6 Vin1 Vin2 V OUT 3 S JACK J702 4 LINE1 REAR J701 6 LINE2 REAR J703 6 FRONT VIDEO J705 2 5 YUV_IN REAR J704 3 2 2 SOUND DECORDER IC IC902 AN5829S 24 14 23 3 6 4 2 AUDIO SW L IC IC702 MM1501XNRE Vin1 Vin2 V OUT FRONT AUDIO L J706 FRONT AUDIO R J707 2 3 2 3 2 6 4 2 AUDI...

Page 19: ...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 W108 W107 W030 C621 W061 W069 C618 W067 W090 C611 Q606 Q604 Q602 C610 R649 C603 W059 R616 W151 W150 W147 W144 W173 Q601 Q611 C602...

Page 20: ...011 R1004 R1010 C1010 C1012 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 R632 C136 C137 C138 C632 R618 C631 C624 C614 R610 C607 R617 C640 R628 Q603 R604 R625 R1523 R609 R629 R622 R...

Page 21: ... MEMORY IC 1 2 3 4 5 6 7 8 X101_1 100CT8R005 8MHz SW101 EVQ21505R CH UP SW103 EVQ21505R VOL UP SW102 EVQ21505R CH DOWN SW104 EVQ21505R VOL DOWN SW105 EVQ21505R POWER D109 SLR 342VCT32 POWER ON CP101 173979 7 1 2 3 4 5 6 7 TM101 R25 1943 BT001 R03 AB E_2P_G BT002 R03 AB E_2P_G Vout B GND OS101 RPM7138 WH5 1 2 3 IC101 OEC7090A MICON IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 ...

Page 22: ...22 47 16V YK C611 1 50V KA C642 1 50V KA C603 47 16V YK C645 100 16V YK C602 47 16V 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 K...

Page 23: ... NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED R437 1 1 2W R409_1 1K R443 150K 1 2W R420 2 7 1 2W R417 39K R415 820 R430 82K 1 2W R427 680 1 2W R418 560 1 2W R406 470 1 2W R401 4 7K R407 1 2K R428 100 1 4W R453 10K R432 8 2K 1 2W R429 1K...

Page 24: ...L WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED R535 3 9K 1 4W R510 100 1 4W R520 1 5M 1 2W R500 2 7M 1 2W 10 R553 6 8K 1 2W R540 1 2M 1 4W R539 1 2M 1 4W R516 10K R543 1K 1 4W R508 100 1 4W R512 1K 1 2W 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 47K 1 4W R525 15K R524 3 3K 1...

Page 25: ...K 1 4W R1002 270 1 2W R1001 270 1 2W R1009 68K 1 4W R314 220K R311 10K R1011 10K R1004 22K R1003 22K 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 0 004...

Page 26: ...2 330 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 W829 W830 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_R ...

Page 27: ...SURED R701 22 1 4W R703 2 2K R702 22 1 4W R729 75 R726 1K R733 1K R727 75 R734 1K R728 1K R739 75 R705 3 3K R706 3 3K R709 270 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 MTZJ12B...

Page 28: ...21 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 W804 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 47 16V YK C1535 10 16V KA Q1508 K...

Page 29: ...R865 56K 1 4W R870 1 5K 1 4W R877 68 1 2W R867 10 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 R811 2 2K 1 4W R812 2 2K 1 4W R815 220 1 4W R819 330 1 4W R818 220 1 4W R817 330 1 4W R810 2 2K 1 4W C821_1 100P CH C806 680P CH C805 390P 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 C...

Page 30: ... 5µs 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 DEFLECTION SOUND ...

Page 31: ...ms 5V 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 ...

Page 32: ... 201 201 201 108 201 112 112 106 PCB110 CRT PCB ASS Y 202 202 202 102 203 204 105 111 202 110 111 111 104 103 PCB010 MAIN PCB ASS Y 206 109 207 208 208 207 101 101A 101B 101C 101D 101H 101E 101G 101I 205 205 205 107 101I 101E 101F ...

Page 33: ...MECHANICAL EXPLODED VIEW PACKING DIAGRAM I 2 119 120 121 122 TM101 117 115 116 114 113 115 116 ...

Page 34: ...00 HOLDER ANODE WIRE 110 AE004051 726000A059 SHEET CRT NO 111 AE003071 800WQ0A041 FELT SHEET 112 AD300135 769WSA0011 WASHER CRT T 0 5 113 AE003155 723000C501 SHEET BAR CODE 114 AE000093 791WHA0090 LAMIFILM BAG 115 AD302286 792WHA0446 PACKAGE TOP 116 AD302287 792WHA0447 PACKAGE BOTTOM 117 AE003156 793WCDC107 GIFT BOX 118 AE004052 A3M813J975 INSTRUCTION BOOK KIT 119 AD301213 JA4UD300 POLYBAG INSTRUC...

Page 35: ...001 UF 2KV R C503 BZ110202 C0PLRR713K CC 0 001 UF 2KV R C504 AD301729 E02LU52R2M CE 2 2 UF 50V C505 BZ110025 P2122B224M CMP 0 22 UF 275V ECQUL C506 BZ110035 P2122B104M CMP 0 1 UF 275V ECQUL C507 AD301635 E51CGC331M CE 330 UF 200V C508 AD301108 CD39E0MH3M CC 0 0022UF 250V C513 AD301026 CD39E0M13M CC 0 001 UF 250V C517 BZ110191 C03L0R7E3K CC 0 0015UF 2KV R C519 AD301026 CD39E0M13M CC 0 001 UF 250V C...

Page 36: ... BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D803 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D810 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D811 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D812 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D1001 AD300070 D97U01201B DIODE ZENER MTZJ12B T 77 ICS IC101 AD301981 I56F07090A IC OEC7090A IC199 AD302274 A3M801J015 IC S 24C16AFJA TB 01 IC302 AD301983...

Page 37: ...22 UH T401 BZ310172 045013003J TRANS HORIZONTAL DRIVE ETH14Y47AY T501 AD301146 0481290914 TRANSFORMER SWITCHING 81290914 JACKS J701 AD301038 060J431019 RCA JACK MSP 213V2 432 PBSN J702 AD300108 063Q700002 JACK YKF51 5503 J703 AD301038 060J431019 RCA JACK MSP 213V2 432 PBSN J704 AD301037 060J411024 RCA JACK MSP 213V1 652 PBSN J705 AD300110 060G401047 RCA JACK HTJ 032 03AY J706 AD300111 060G401046 R...

Page 38: ...S063L FB401 AE003159 043214045F TRANSFORMER FLYBACK FQI14B003F_M FH501 AE002634 06710T0009 HOLDER FUSE EYF 52BCY FH502 AE002634 06710T0009 HOLDER FUSE EYF 52BCY OS101 AD301048 0773071001 REMOTE RECEIVER RPM7138 WH5 RY501 AD300114 0560V20115 RELAY ALKS321 SP1001 BZ614029 070C533008 SPEAKER 810 47 171 SP1002 BZ614029 070C533008 SPEAKER 810 47 171 TH501 BZ410079 DF5EL3R0A0 DEGAUSS ELEMENT ZPB45BL3R0A...

Page 39: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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