Toshiba 20A46C Скачать руководство пользователя | Manualshive

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TOSHIBA CORPORATION

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

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Содержание 20A46C

Страница 1: ... VERSION A The above model is classified as a green product 1 as indicated by the underlined serial number This Service Manual describes replacement parts for the green product When repairing this green product use the part s described in this manual and lead free solder 2 For 1 and 2 see the next page ...

Страница 2: ...nt of parts is not only confined to manufacture The same green parts used in manufacture must also be used as replacement parts 2 LEAD FREE SOLDER This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repair of this product WARNING This product i...

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

Страница 5: ... 1Tuner Receive CH Destination USA W CABLE 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 Year Protector Power Fuse Yes G 4 Reg...

Страница 6: ...s On Timer Yes Language Yes V chip No 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 No Treble No Balance No 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 No 16 9 No G 8 OSD Language English...

Страница 7: ... 4 Yes 5 Yes 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 N...

Страница 8: ... Yes Game Timer Yes Energy Star No Favorite CH No Surround No 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 Dew AH...

Страница 9: ... 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 Material Double Brown Dimensions W x D x H mm 658 x 575 x 529 Description ...

Страница 10: ...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 11: ...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 12: ...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 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 insta...

Страница 13: ...on on the set and Channel button 6 on the remote control for more than 2 seconds After the confirmation of using hours turn off the power ADDRESS DATA INIT 00 50 CRT ON 0010 FIG 1 Initial setting content of MEMORY IC POWER ON total 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 Table 1 1 2 3 4 5 6 7 8 9 10 11 Enter DATA SET mode by ...

Страница 14: ... Adjust the VR502 until the digital voltmeter is 113 0 5V 2 2 CUT OFF 1 2 3 4 5 Place the set in Aging Test for more than 15 minutes Place the set in AV MODE without signal Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 01 on the remote control to select CUT OFF Adjust the Screen Volume until ...

Страница 15: ...tment of Vertical Linearity reconfirm the Vertical Position and Vertical Size adjustments Receive the monoscope pattern Using the remote control set the brightness contrast to normal position Adjust the VR402 until the SHIFT quantity of the OVER SCAN on upside and downside becomes minimum 1 2 3 1 2 3 4 5 6 7 8 9 10 2 9 CONTRAST MAX Receive the color bar pattern RF Input Using the remote control se...

Страница 16: ... Fig 2 3 120 white 100 2 13 TINT 1 2 3 4 5 6 7 Receive the color bar pattern RF Input Using the remote control set the brightness contrast color and tint to normal position Connect the oscilloscope to TP024 Activate the adjustment mode display of Fig 1 1 and press the channel button 22 on the remote control to select TINT Press the VOL UP DOWN button on the remote control until the section A becom...

Страница 17: ...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 18: ...ON GUIDE WIRING CONNECTION CRT PCB VR502 TP401 W001 J1001 J712 J711 J710 CP803A MAIN PCB TU001 CP601 J701 FB401 CRT DY CP401 VR402 VR401 CP502 L503 OS101 S501B S501A CP1001 SPEAKER TP024 TP022 CP803B W883 W881 CP806_1 CP801 CRT J801 CP802B CP802A CD501 DEGAUSS COIL ...

Страница 19: ... DY Q507 FEED BACK T501 3 8 15 FEED BACK SW Q502 BUFFER 5 MEMORY IC IC199 BR24L04F WE2 POWER VOL DOWN CH DOWN VOL UP CH UP X601 3 579545MHz OS101 1 13 MICON CHROMA IC IC101 OEC7116B Chroma Proc ACC C BPF APC KILLER TINT DEMO IC501 LTV 817M VB TU001 14 12 11 10 17 66 Q501 SWITCHING D501 D504 RECTIFIER AC IN F501 L503 DEGAUSS COIL TH501 RY501 RELAY Q504 RELAY DRIVE 56 62 6 5 SDA SCL Q607 H CTL 50 52...

Страница 20: ... W088 D605 D607 D609 D608 R613 R614 R615 Q606 Q607 W043 D101 D102 W032 R608 W082 W084 R629 C633 W078 R620 R611 R1001 W044 R914 W022 W024 W006 W005 C615 R916 R915 W803 R527 W842 W064 W042 R515 W060 W045 W059 W063 W828 W018 W037 W038 W019 W029 W031 W030 W036 W020 W028 W081 W845 W067 W027 CP802A W056 W055 W074 W075 W072 W073 W077 W048 W052 W051 C1012 C1011 W071 W070 W054 W053 W025 R403 R555 C705 W035...

Страница 21: ...5 C106 R129 R131 C635 C636 R123 R115 I C 1 0 1 C102 C104 C105 C107 C108 R102 R103 C113 R104 C603 C604 R601 C609 R604 C625 C626 C627 R610 R607 R627 R609 C629 R621 R617 R616 R110 R113 R125 C1023 C004 R1017 R618 R127 R135 R130 C933 C916 C811 C810 C809 R813 R811 R816 R815 R814 R809 R630 R742 C1022 C1015 R917 Q1003 R1021 R413 R1002 W833 W879 W880 R713 R619 Q604 R121 Q105 R901 R107 C706 C716 C725 C726 P...

Страница 22: ...115 V KA35ARB 1 10 11 12 13 14 15 16 17 18 19 2 20 21 3 4 5 6 7 8 9 TM101 RC EH030 BT001 MNAAA R03 UM 4 BT002 MNAAA R03 UM 4 Vout B GND OS101 RPM7138 WH5 1 2 3 S808Y S813X P CON 5V PROTECT P CON 5V H_CTL H_OUT ABCL R OUT H_CTL B OUT G OUT H_SYNC CLAMP PROTECT DEGAUSS_H P CON 5V V_OUT GND V_FEEDBACK AT 5V ABCL H_OUT X RAY SDA R OUT G OUT SCL B OUT H_SYNC VOLUME AFT POWER_FAIL UNREG 12V UNREG 12V KE...

Страница 23: ...6 2 7K 1 4W R814 3 9K R811 3 9K R813 470 R420 15K 1 4W R418 39K 1 4W R410 680 1 2W R412 270 1 2W R809 3 9K R802 2 7K 1 4W R415 680 1 2W R435 2 2 1 2W R434 2 2 1 2W R403 1K 1 4W R421 68K 1 2W R450 150K 1 2W R422 4 7K 1 2W R437 4 7K R413 22K D407 AU02A EIC D411 AU02A EIC D410 AU02A EIC D406 11E1 EIC D417 21DQ09N D412 11E1 EIC D805 1SS133 D806 1SS133 D804 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITH...

Страница 24: ... 1 4W R555 100K 1 4W R513 3 3K 1 2W R537 120K 1 4W R520 1 5M 1 2W R503 2 7M 1 2W R532 820 R533 680 R534 100 R512 270 1 4W R507 150 1 4W R508 100 1 4W R515 10K 1 4W R523 100 1 4W R535 3 9K 1 4W R547 100 1 4W R536 47K 1 4W R548 10K 1 4W R516 15K 1 4W R500 2 7M 1 2W 10 R554 8 2K 1 4W R504 1K 1 2W D523 1N4937 D501 RM11C EIC D504 RM11C EIC D516 1SS133 D502 RM11C EIC D503 RM11C EIC D512 21DQ09N D521 1SS...

Страница 25: ... 8K 1 4W R915 22K 1 4W R904 100 1 4W R1002 47K R1007 470 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 REPAREES PAR UN ETANT ATTENTION SINCE THESE PARTS MARKED BY CAUTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES...

Страница 26: ...TAGE AT EACH PART WAS MEASURED C725 680P B C716 680P B C726 680P B C706 680P B C705 10 25V KA C704 10 25V KA C702 10 25V KA C703 10 25V KA C701 10 25V KA R743 10 1 4W R742 68 R713 10 R711 33K R733 33K R709 33K R734 33K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D704 MTZJ6 8B D702 MTZJ6 8B D707 MTZJ6 8B D708 MTZJ6 8B FRONT_AUDIO_L FRONT_AU...

Страница 27: ...mber in the schematic diagram H 1 MICON CHROMA TUNER 3 200mV 20µs div 0 5V 5ms div 4 2 20V 20µs div 5 1V 20µs div 6 1V 20µs div DEFLECTION CRT 16 2V 20µs div 50V 20µs div 20 10V 5ms div 19 200V 20µs div 17 10V 5ms div 18 21 50V 20µs div 1V 20µs div 7 14 0 5V 5ms div 15 20V 20µs div 22 50V 20µs div ...

Страница 28: ...ing waveforms were measured at the point of the corresponding balloon number in the schematic diagram H 2 0 5V 1ms div 32 0 5V 1ms div 33 SOUND 25 0 5V 1ms div 26 200mV 1ms div 200mV 1ms div 27 28 200mV 1ms div 31 200mV 1ms div ...

Страница 29: ...203 203 203 203 112 112 111 107 107 107 PCB110 CRT PCB ASS Y 102A 102 102B 202 106 204 109 102B 202 202 202 202 202 202 206 205 103 201 201 206 205 108 PCB010 MAIN PCB ASS Y 205 101B 101C 101A 101 101F 101F 201 201 101D 101E 101E 101D 105 104 ...

Страница 30: ...MECHANICAL EXPLODED VIEW PACKING DIAGRAM I 2 121 122 TM101 114 117 113 119 117 118 118 115 120 116 ...

Страница 31: ...799722 726000A106 SHEET CRT SERVICEMAN 110 72795687 741WUA0021 SPRING EARTH 111 72799965 769WSAA011 WASHER CRT T 1 112 72795682 769WSAA012 WASHER CRT T 0 5 113 72795702 791WHAA114 FILM BAG 114 72783168 793WCDD044 GIFT BOX 115 72783167 723000D259 SHEET BAR CODE 116 72795703 791WHAA134 LIGHTRON SHEET 117 72798700 792WHA0360 PACKAGE TOP 118 72798701 792WHA0361 PACKAGE BOTTOM 119 72798734 795WCAA139 P...

Страница 32: ...453 72797716 P4N8FJ912H CMPP 0 0091UF 1 25KV C501 72797424 E0ELF2222M CE 2200 UF 16V C502 72795578 C0JBB0713K CC 0 001 UF 2KV B C503 72795578 C0JBB0713K CC 0 001 UF 2KV B C505 72794401 P2122B334M CMP 0 33 UF 275V ECQUL C506 72795567 P2122B104M CMP 0 1 UF 275V ECQUL C507 72795568 E51CGC331M CE 330 UF 200V C513 72797413 E02LU54R7M CE 4 7 UF 50V C514 72797083 C03L0R7E3K CC 0 0015UF 2KV R C517 7279507...

Страница 33: ...V TLM E IC902 72795918 I0QF02534V IC NJM2534V TE2 IC903 72795918 I0QF02534V IC NJM2534V TE2 IC1001 72795536 I0FSP7822A IC AN17822A TRANSISTORS Q105 72795963 TPAAB05001 COMPOUND TRANSISTOR KRA102SRTK Q401 72795477 TDUU024990 TRANSISTOR SILICON 2SD2499 LB0EC1 Q402 72795480 TC5T01627Y TRANSISTOR SILICON 2SC1627_Y TPE2 Q501 72795540 T220033260 FET 2SK3326 2 Q502 72795476 TCAT032034 TRANSISTOR SILICON ...

Страница 34: ...PCB SIDE A1561WV2 2PK CP503 72796825 069W01001A CONNECTOR PCB SIDE 003P 2100 CP601 72796802 069S270639 CONNECTOR PCB SIDE A2001WR2 7P CP801 72796816 069S320010 CONNECTOR PCB SIDE A2361WV2 2P CD1001 72796857 06CH14411A CORD CONNECTOR CH14411A CP1001 72796793 069S140419 CONNECTOR PCB SIDE A2502WV2 4P CP802A 72796751 067U005049 WIRE HOLDER B2013H02 5P CP802B 72796751 067U005049 WIRE HOLDER B2013H02 5...

Страница 35: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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