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Toshiba 20AF42, Руководство по обслуживанию

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Toshiba 20AF42 Скачать руководство пользователя страница 32

MECHANICAL EXPLODED VIEW

205

SP1001

103

103

101

108

110

109

111

113

112

107

205

SP1002

103

103

202

206

206

206

206

L503

V801

118

PCB110
(CRT PCB)

J801

117

117

PCB060
(VM COIL PCB)

105

119

119

119

119

PCB010
(MAIN PCB)

203

104

TU001

FB401

204

204

203

203

204

203

201

201

201

201

114

201

202

106

116

116

116

115

201

102

201

116

Содержание 20AF42

Страница 1: ...SERVICE MANUAL COLOR TELEVISION FILE NO 050 200201 20AF42 DOCUMENT CREATED IN JAPAN Mar 2002 ...

Страница 2: ...t 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 n...

Страница 3: ... Receive CH Destination Others 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 105 W at AC 120 V 60 Hz Stand by at AC 4 W at AC 120 V 60 Hz Per Year...

Страница 4: ...tream 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 G 8 OSD Language English French Spanish OSD Language Setting English G 9 ...

Страница 5: ...Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 Yes CH Up Yes 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 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...

Страница 6: ...Yes CH Lock Yes Video Lock Yes Game Timer Yes Energy Star No Favorite CH Yes G 12 Accessories Owner s Manual Language English 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 Instruction Yes Dew AHC Cau...

Страница 7: ...eo Output RCA Audio Output RCA x 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 590 x 487 5 x 444 G 15 Weight Net Approx 23 kg 50 6 lbs Gross Approx 26 5 kg 58 3 lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin No Gi...

Страница 8: ... 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 th...

Страница 9: ...ng 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 ma...

Страница 10: ... 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 installa...

Страница 11: ...en 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 The unit will now have the correct DATA for the new MEMORY IC Enter DATA SET mode by setting VOLUME to minimum Press both VOL DOWN button on the set and Channel button 6 on the remote control for more than 1 second ADDRESS and DATA should...

Страница 12: ...brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 13 on the remote control to select R BIAS Press the CH UP DOWN button on the remote control to select the R BIAS G BIAS B BIAS B DRIVE or G DRIVE Adjust the VOL UP DOWN button on the remote control to whiten the R BIAS G BIAS B BIAS B DRIVE and G DRIVE at each step tone sections ...

Страница 13: ...normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 07 on the remote control to select V SIZE Press the VOL UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 9 2 2 9 VERTICAL LINEARITY 1 2 3 4 NOTE Adjust after performing adjustments in section 2 8 After the adjustment of Vertical Linearity reconfi...

Страница 14: ... the AV mode Then perform the above adjustments 2 5 Press the TV VIDEO button on the remote control to set to the CS mode Then perform the above adjustments 2 5 2 13 SEPARATION 1 2 1 2 3 4 5 Set the multi sound signal generator for each different L ch and R ch frequency Ex L ch 2KHz R ch 400Hz and receive the RF Connect the oscilloscope to the Audio Out Jack Activate the adjustment mode display of...

Страница 15: ...rforming 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 s...

Страница 16: ...01A T501 VR502 TU001 CD701A J702 J701 J703 J708 CD701B CP1001 W169 R527 CP101 J704 FB401 AC IN CP501 CD801 CD851 CP852B CD803 CRT CRT SPEAKER CD1001 L503 CP502 CRT CRT PCB MAIN PCB ELECTRICAL ADJUSTMENTS 4 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE WIRING CONNECTION VM COIL PCB CD852 ...

Страница 17: ...600M TLM 180V 25V VIDEO3 LINE2 YUV IN Y S INPUT IF 11 SCL 4 SDA 5 30 31 SCL SDA SCL 24 SDA 25 18 19 18 17 12 7 2 5 14 7 20 1 14 7 19 2 24 23 21 22 30 32 31 25 22 20 27 29 9 6 3 5 2 4 1 7 14 15 13 8 10 C Y C L R V 10 15 3 5 T501 18 16 34 28 16 15 14 42 47 55 38 31 8 6 11 51 14 4 6 3 HV 1 7 9 F 10 S 1 5 6 R G B DY 7 F 10 L R V L R V V OUT FBP IN H OUT ABCL B OUT G OUT R OUT C IN CVBSLNT IN IF DET OU...

Страница 18: ...J702 J701 J703 J708 C1009 C1011_1 C1008 C004 C1003_1 C747 C711 C1007 L701 W093 W092 C715 W066 W078 C204 C211 W063 W176 W174 L1512 L1510 W115 C1525 W084 W068 W085 W105 D603 D602 R517_1 W071 D604 W080 W110 W107 D614 D613 D611 D608 W106 W139 W135 W142 W096 W173 W175 W094 W140 W138 W141 W126 W129 R1521 L1511 C311 C313 R631 D615 D612 D606 C608 C604 C216 C214 C616 CD701B W188 L602 D201 L205 L601 W183 R6...

Страница 19: ...0 C637 R716 R714 R717 R723 C793 R770 C728 C712 C721 C745 C746 C737 C739 C738 C708 C707 C730 R705 R702 C743 R708 R713 R751 R741 R1011 R1010 C229 C614 R1522 C1533 R1520 R1519 Q1507 R1516 C641 C1526 Q603 R636 Q604 R635 R138 C1531 Q601 C227 R747 R750 R607 R223 C742 C740 R314 C609 IC902 R906 C922 C927 C930 C932 R904 R905 C926 C928 C931 R731 R727 R739 R737 R738 R732 Q705 Q704 R302 C307 R304 C309 R331 R3...

Страница 20: ...69 R875 R871 D856 R866 D853 R868 R873 R874 R876 R870 R867 C 8 0 8 C815 L802 L803 L804 C862 C863 C866 IC851 D858 D857 W002 D854 W004 B853 C858 C859 Q858 Q859 CP852B S851 S852 C868 C823 R814 R813 R810 R815 R809 R811 C804 W006 R817 C806 R821 R819 C805 R812 R862 R863 R865 R864 C857 W008 R858 R861 R860 C855 R854 C856 R859 R856 R852 R853 C867 CP852 CP801_1 CP851_1 R855 D804 D805 D806 W001 W802 W804 B801...

Страница 21: ...3 1 10 11 12 13 14 15 2 3 4 5 6 7 8 9 GND B Vout OS101 RPM7138 H5 1 2 3 IC103 PST600C RESET IC 1 2 3 SW103 SKHVBED010 VOL UP SW102 SKHVBED010 CH DOWN SW104 SKHVBED010 VOL DOWN SW101 SKHVBED010 CH UP SW105 SKHVBED010 POWER IC198 S 24C16AFJA TB 01 MEMORY IC 1 2 3 4 5 6 7 8 Q103 KRC102SRTK X RAY TEST D109 SLR 342VCT32 POWER ON CP101 173979 7 1 2 3 4 5 6 7 CAUTION DIGITAL TRANSISTOR TM101 SBKMOP006B B...

Страница 22: ...229 100P CH C636 0 1 B C641 0 001 B W871 W870 W869 W839 W833 W838 W840 W843 W842 W804 W844 W820 D623 MTZJ12B D622 MTZJ6 2B D621 MTZJ6 2B D620 MTZJ6 2B D619 MTZJ6 2B D618 MTZJ6 2B D201 MTZJ12B D617 MTZJ6 2B D604 MTZJ6 2B D603 MTZJ6 2B D602 MTZJ6 2B D606 MTZJ5 6B C216 10 50V YK C615 100 16V YK C640 1000 16V YK C616 47 16V YK C608 1 50V YK C214 10 50V YK C211 0 22 50V YK C213 100 16V YK C203 100 10V ...

Страница 23: ...ANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION R427 1K 1 2W R430 68K 1 2W R442 2 2K 1 4W R412 6 8K R416 3 9 1 2W R420 3 9 1 2W R417 33K R407 5 6K R415 820 R429 680 1 2W R433 680 1 2W R443 68K 1 2W R403 330 R454 220 1 2W R453 10K R406 220 1 2W R437 4 7 1 2W R428 100 1 4W R432 8 2K 1 2W R421 680 1 2W C414_1 0 0033 500V B C420_1 0 012 1 25KV MPP C439 0 001 B C405 560P ...

Страница 24: ...8 1 5M 1 2W R515 10K 1 4W R553 6 8K 1 2W R508 6 8K 1 4W R554 100K 1 2W R519 1K 1 2W R511 22K R537 100K 1 4W R532 1 5K R510 100 R520 390 1 4W R512 1K 1 4W R505 10K 1 4W R507_1 56K 1 2W R513 10K R516 10K R540 1 2M 1 4W R536 68K 1 4W R535 10K1 4W R525 47K R545 150 R544 270 R546 100 1 4W R533 270 R524 2 2K R547 100 1 4W C517 0 0015 2KV R C514_1 0 0022 250V KX C502 0 001 2KV B C503 0 001 2KV B C506 0 1...

Страница 25: ...25 1 8K R327 100K R328 100 R326 100 1 4W R319 4 7K R1013 10K R1009 10K R314 6 8K R320 6 8K R322 4 7K R323 4 7K R1002 270 1 2W R1001 270 1 2W R1003 5 6K R1004 5 6K C330 0 022 B C333 0 47 B C331 0 022 B C332 0 47 B C309 0 033 B C307 0 0033 B C306 0 0033 B C308 0 033 B C334 0 033 B C1010 0 01 B C335 0 033 B C339 0 01 B C338 0 001 B C1012 0 01 B C336 100P CH C337 100P CH C325 0 01 B W859 C1002 10 50V ...

Страница 26: ...70 R705 75 R707 75 R708 75 R702 75 R741 75 R723 470 R711 3 9K R749 3 9K R715 1K R717 470 R748 3 9K R716 470 R770 470 R724 3 3K R725 3 3K R726 270 R751 1K R752 1K R734 10K 1 4W R722 1 5K R732 3 9K R739 3 9K R737 180K R703 75 R720 100 1 4W R727 1K R736 1K R738 220K R731 220K R730 180K C730 0 1 B C734 0 01 B C731 0 01 B C750 1 B C748 0 1 B C727 0 0056 B C726 0 0056 B C744 0 0056 B C743 0 0056 B C720 ...

Страница 27: ...7 B C1531 0 01 B C1523 120P CH C1526 0 01 B C1519 0 1 B C1504 0 1 B C1505 0 1 B C1508 0 1 B C1507 0 1 B C1506 0 1 B C1503 0 1 B C1512 0 1 B C1514 0 1 B C1533 22P CH C1535 0 1 B C1509 0 01 B C1517 100P CH C1513 0 1 B C1521 0 1 B C1515 0 1 B W812 W852 W851 W864 C1525 100 6 3V YK C1501 100 6 3V YK C1530 3 3 50V YK C1502 100 6 3V YK C1510 100 6 3V YK C1528 100 16V YK C1516 10 16V KA C1518 1 50V KA Q15...

Страница 28: ...71 1 5K 1 4W R868 82 1 4W R869 82 1 4W R829 2 7K 1 4W R828 2 7K 1 4W R830 2 7K 1 4W R856 1K 1 4W R859 2 7K 1 4W R861 33K 1 4W R860 33 1 4W R857 470 1 2W R858 100 1 4W R863 3 9K 1 4W R865 56K 1 4W R854 33K 1 4W R853 22K 1 4W R852 2 2K 1 4W R877 68 1 2W C821 0 001 B C865 150P 500V B C860 0 0047 500V B C858 100P CH C805 220P CH C804 270P CH C806 470P CH C823 100P B C813 0 0022 M C815 330P B C861 0 00...

Страница 29: ...1V 50µs div 8 0 5V 10ms div 7 1V 20µs div 6 1V 20µs div MICON TUNER The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE CHROMA IF 11 0 5V 20µs div 10 2V 20µs div 13 1V 20µs div 12 1V 2µs div 14 2V 20µs div 15 2V 20µs div ...

Страница 30: ...oon number in the schematic diagram NOTE 16 2V 5ms div 17 20V 5ms div 18 10V 10ms div 19 20V 20µs div 20 2V 20µs div 26 5V 2ms div 28 200mV 20µs div 27 5V 2ms div 29 200mV 20µs div 30 2V 20µs div SOUND AV 21 200V 50µs div 23 2V 5ms div 22 2V 5ms div 24 2V 5ms div 25 2V 5ms div DEFLECTION ...

Страница 31: ...ing waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 31 1V 50µs div 32 2V 5ms div 33 2V 5ms div 34 0 5V 20µs div 38 50V 20µs div 39 50V 20µs div 37 50V 20µs div CRT SVM ...

Страница 32: ... 111 113 112 107 205 SP1002 103 103 202 206 206 206 206 L503 V801 118 PCB110 CRT PCB J801 117 117 PCB060 VM COIL PCB 105 119 119 119 119 PCB010 MAIN PCB 203 104 TU001 FB401 204 204 203 203 204 203 201 201 201 201 114 201 202 106 116 116 116 115 201 102 201 116 ...

Страница 33: ...117 BZ710259 762WPA0011 HOLDER CRT WIRE 118 BZ710258 741WUA0001 SPRING EARTH 119 AD300135 769WSA0011 WASHER CRT T 0 5 201 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 202 BZ710031 8110630A04 SCREW TAP TITE P BRAZIER 3x10 203 BZ710019 8109630802 SCREW TAP TITE B BRAZIER 3x8 204 BZ710239 8109I30A04 SCREW TAP TITE B WH7 3x10 205 AD301061 8146D26A04 SCREW TAP TITE P WH8 M2 6x10 3 8x8 206 BZ710033 8...

Страница 34: ...183 R3X18A220J R METAL OXIDE 22 OHM 2W CAPACITORS C118 AD301021 E02LF0222M CE 2200 UF 6 3V C408 BZ110032 E5EZF3102M CE 1000 UF 25V C413 AD300067 E02LF4102M CE 1000 UF 35V C418 BZ110136 P4J7F3394J CMPP 0 39 UF 250V PMS C420 BZ110058 P4N8FJ123H CMPP 0 012 UF 1 25KV C425 BZ110182 C03L0R713K CC 0 001 UF 2KV R C426 AD300061 E5EZFD220M CE 22 UF 250V C430 AD300064 E02LT8220M CE 22 UF 100V C501 AD300067 E...

Страница 35: ...01330 DIODE SILICON 1SS133T 77 D614 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D615 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D617 BZ410066 D97U06R21B DIODE ZENER MTZJ6 2B T 77 D618 BZ410066 D97U06R21B DIODE ZENER MTZJ6 2B T 77 D619 BZ410066 D97U06R21B DIODE ZENER MTZJ6 2B T 77 D620 BZ410066 D97U06R21B DIODE ZENER MTZJ6 2B T 77 D621 BZ410066 D97U06R21B DIODE ZENER MTZJ6 2B T 77 D622 BZ410066 ...

Страница 36: ... TRANSISTOR SILICON 2SC2621 D E RAC Q810 AD301032 TCATC3199Y TRANSISTOR SILICON KTC3199_Y AT Q811 AD301032 TCATC3199Y TRANSISTOR SILICON KTC3199_Y AT Q812 AD301032 TCATC3199Y TRANSISTOR SILICON KTC3199_Y AT Q851 BZ510069 TCATC31980 TRANSISTOR SILICON KTC3198 AT Y GR Q852 BZ510069 TCATC31980 TRANSISTOR SILICON KTC3198 AT Y GR Q853 AD300024 TCUT00752Y TRANSISTOR SILICON 2SC752 G TM _Y Q854 BZ510069 ...

Страница 37: ...3401 CORD CONNECTOR CU2A3401 CD803 AD300094 06CP83035A CORD CONNECTOR CP83035A CD851 AD301042 06CU253401 CORD CONNECTOR CU253401 CD852 AD301043 06CU232001 CORD CONNECTOR CU232001 CF201 BZ613015 1011T4R504 FILTER CERAMIC EFCT4R5YS5A CF202 AD301044 1022045R74 FILTER SAW SAFGP45M7VFGZ00B CF203 AD300686 1012T4R519 FILTER CERAMIC TRAP TPSRA4M50C00 A0 CF204 AD300513 1012T04702 FILTER CERAMIC TRAP MKT47 ...

Страница 38: ... 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 ...

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

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