Toshiba 21N21N Скачать руководство пользователя страница 31 | Manualshive

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Содержание 21N21N

Страница 1: ...SERVICE MANUAL PRINTED IN UK 2003 C COLOURTELEVISION 21N21N TOSHIBA FILE NO 050 200244 ...

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: ...ED WHEN REPLACING EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER IF CHROMA 21PIN DEFLECTION CRT POWER SOUND AMP WAVEFORMS MECHANICAL EXPLODED VIEW 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 C 1 C 1 C 2 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 ...

Страница 4: ... Receive CH Destination Hyper Tuning System F Synth Input Impedance VHF UHF 75 ohm E2 E4 X Z 2 S1 S10 E5 E12 CH Coverage S11 S41 E21 E69 B G Intermediate Picture FP 38 9 MHz Frequency Sound FS 33 4 MHz FP FS 5 5MHz Preset CH 100 Stereo Dual TV Sound No Tuner Sound Muting Yes G 3 Power Power Source AC 230V AC 50Hz DC Power Consumption at AC 60 W at AC 230 V 50 Hz Stand by at AC 3 W at AC 230 V 50 H...

Страница 5: ...No AV2 Output No Output Source No Source No Control Level Yes Volume Yes Brightness Yes Contrast Yes Color Yes Tint NTSC Only Yes Sharpness Yes Tuning Yes Bass No Treble No Balance No Back Light No Nicam ST No Tone 1 2 A B No Surround On Off No Pin Code No AV Yes Skip Yes Channel Yes Hotel Lock No Sleep Timer No Wide Mode No Sound Mute Yes G 8 OSD Language English French Spanish German Italian Gre...

Страница 6: ...es Cyan Yes TEXT F T B Yes Reveal Yes TIMED PAGE SUB PAGE Yes CALL TEXT INDEX Yes INPUT SELECT Yes TEXT HOLD Yes TIME TXCL Yes G 11 Features Auto Degauss Yes Auto Shut Off Yes Canal No CATV No Anti theft Back Up 30 Min No Memory Last CH Yes Memory Last Volume Yes BBE No Auto Search Yes CH Allocation Yes Just Clock Function No Game Position No CH Label No VM Circuit No Full OSD No Unitext No Fastex...

Страница 7: ...enna Adapter No G 13 Interface Switch Front Power Tact Sw No System Select No Main Power SW Yes Sub Power No Channel Up Yes Channel Down Yes Volume Up Yes Volume Down Yes Rear AC DC No TV CATV Selector No Degauss No Main Power SW No Indicator Power No Stand by No Stand by ON Yes Red On Timer Yes Green Terminals Front Video Input RCA Audio Input RCA Other Terminal Head Phone Stereo Rear Video Input...

Страница 8: ...Box Yes Material Double Brown Dimensions W x D x H mm 580 x 575 x 555 Design As per Buyer s Description of Origin Yes Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 46 Container Stuffing 320 Sets 40 container G 17 Cabinet Material Cabinet Front PS 94V0 NON DECABROM Cabinet Rear PS 94 HB Holder PS 94V0 NO A3 5 ...

Страница 9: ...ip 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 the s...

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: ...conds After the confirmation of using hours turn off the power ADDRESS DATA INIT 01 00 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 VOL MIN 1 Initialization of the factory NOTE Do not use this for the normal servicing If you set a factory initialization the memo...

Страница 13: ...l 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 the initializing of shipping Turn POWER on Press both VOL DOWN button on the set and Channel button 1 on the remote control for more than 2 seconds After ...

Страница 14: ...ct 36 1 2 3 4 5 Set condition is AV MODE without signal Using the remote control set the brightness and contrast to normal position Place the set with Aging Test for more than 15 minutes Activate the adjustment mode display of Fig 1 1 and press the channel button 00 on the remote control to select CUT OFF Adjust the Screen Volume until a dim raster is obtained 2 5 WHITE BALANCE NOTE Adjust after p...

Страница 15: ...rn means the whole black raster signal Select the RASTER of the pattern generator set to the OFF position for each R G and B 2 8 VERTICAL POSITION VERTICAL LINEARITY 1 2 3 4 Receive the monoscope pattern from the Pattern Generator Using the remote control set the brightness and contrast to normal position Adjust the VR401 until the horizontal line becomes fit to the notch of the shadow mask Adjust...

Страница 16: ...ion of Fixed Value Step No Please check if the fixed values of the each adjustment items are set correctly referring below NO 02 04 06 07 09 10 18 19 20 21 23 24 26 27 30 31 32 33 34 35 36 37 38 FUNCTION AGC GAIN R CUTOFF G CUTOFF B DRIVE V POSI 50 V POSI 60 BRIGHT MAX BRIGHT MIN TINT SHARP CONTRAST MAX CONTRAST MIN COLOR MAX COLOR MIN M B CUT OFF CVBS OUT APR THRESHOLD BELL FILTER BANDPASS H POSI...

Страница 17: ...Switch the color bar generator from the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets Combine red blue magenta and green by adjusting the pair of 6 pole magnets Adjust the crosshatch pattern to change to white by repeating steps 6 and 7 Turn the unit on and let it warm up for...

Страница 18: ...OCATION GUIDE WIRING CONNECTION D 5 CP803B CP802B CP801 CRT J801 FB401 CP101 TU001 J702 J704 J703 CP803A CP802A TP801 TP803 CRT CP401 SPEAKER CP1002 CP502 CRT VR501 TP501 R521 MAIN PCB CRT PCB CD803 CD802 L503 TP001 VR420 VR401 J701 CP501 AC IN CD501 CD801 ...

Страница 19: ... 25V Q805 Q806 BULE OUT Q803 Q804 GREEN OUT Q801 Q802 RED OUT J801 6 11 8 F 7 Q402 H DRIVE Q401 H OUTPUT I2C DY 1 F S 2 3 HV B P CON 25V CRT V801 8 3 3 4 2 6 7 5 1 HEADPHONE JACK J702 SPEAKER SP353 5 12 9 SOUND B 15 B P CON 8V D Q501 POWER SW TR 56 KEY_IN CH DOWN CH UP VIDEO_SW IC702 NJM2234L V OUT SW1 2 7 SW2 4 CVBSIN2 20 AV1 42 AV2 43 J701 3 1 VIN1 1 2 6 8 19 20 INT_CVBS_OUT 13 VIDEO OUT VIDEO I...

Страница 20: ...24 C503 R544 R545 Q513 R546 Q514 R547 C528 C533 Q511 C511 C523 Q505 D506 R514 TH501 CP502 D517 C522 R507 D406 W054 D404 R410 R431 D514 D521 D527 R548 W055 R445 W056 W057 R532 VR501 W059 D604 W060 W061 W062 R542 T501_1 W063 W065 W066 W067 W069 TP501 W825 L715 W071 W072 W073 W074 W075 W076 B702 B701 C1002 C1012 W077 D101 D103 W078 W079 C408 C130 L202 R503 X602 W080 W081 W833 W082 W083 B504 W086 D508...

Страница 21: ...R104 Q102 R132 R116 C101 R148 R738 Q703 R728 R727 R726 R109 C731 C727 R718 R723 R724 R736 R737 C716 C721 C719 R705 R710 C712 Q602 Q603 Q711 Q601 R217 C603 C607 R142 R141 R140 R143 Q503 R502 R133 R005 R137 SH501 R412 R408 R420 R523 R535 R531 C541 R516 R510 C513 R518 R519 C502 R538 Q510 Q512 Q508 R537 R614 C629 C612 C638 C605 R129 R128 C139 C007 C543 R534 R152 C140 R151 R108 R541 C633 R107 R745 C141...

Страница 22: ...KHVBED010 CH DOWN SW102 SKHVBED010 CH UP SW107 SKHVBED010 VOL DOWN SW106 SKHVBED010 VOL UP OF PRINTING AND SUBJECT TO CHANGE WITHOUT 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 Vout B GND OS101 RPM7138 H5 1 2 3 TM101 R25 1800 BT101 R03...

Страница 23: ...16V KA C213 1 50V KA C220 470 10V YK C217 47 16V YK C621 10 16V KA C611 3 3 50V KA C209 10 16V KA C210 1 50V KA C613 470 10V YK C602_1 1 50V KANP IC201 STV2246C IF CHROMA IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 6 7 8 9 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATI...

Страница 24: ...CH C763 100P CH C742 10 16V KA C743 10 16V KA C724 10 16V KA C725 100 10V YK C748 100 10V YK C715 10 16V KA Q702 KTA1266 BUFFER OF PRINTING AND SUBJECT TO CHANGE WITHOUT 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 FRONT_V_IN FRONT_A_L ...

Страница 25: ...W R816 56 1 4W R422 330K 1 4W R407 1 1 2W TP802 TP803 TP801 C417 22 50V YK C418 1000 25V YK D402 MTZJ30B D401 MTZJ30B W867 W859 L801 100uH L401 4 7mH 0909 L802 150uH 0607 L803 150uH 0607 L804 150uH 0607 D408 1SS133 D407 11E1 EIC D403 11E1 EIC D405 AU02A EIC D410 AU02A EIC D801 1SS133 D802 1SS133 D803 1SS133 D404 11E1 EIC D406 11E1 EIC C409 680P CH C440 0 01 100V MKT C439 27P 500V SL C442_1 0 0086 ...

Страница 26: ...ADJ C518 10 50V MHE C533 220 6 3V YK C515 1000 25V MHE C505 150 450V LU C523 220 10V YK C503 4 7 100V MHE D511 MTZJ15B D528 MTZJ5 6B W809 W828 W816 W814 W826 W847 D507 1SS133 D505 11E1 EIC D512 SB10 03A3 D516 SB290S D520 30DF6 FC D501 RM11C EIC D502 RM11C EIC D515 SB10 03A3 D519 1SS133 D514 1SS133 D521 1SS133 D508 1N4937 D506 1SS133 D513 SB290S D523 11E1 EIC D524 11E1 EIC D504 RM11C EIC D503 RM11C...

Страница 27: ...1 W851 W822 W829 W830 W846 W813 W850 W825 D1002 1SS133 D1001 1SS133 D1003 1SS133 C759 0 001 B C1016 1 F C1002 100 6 3V YK C1018 100 6 3V YK C1010 2 2 50V KA C1011 100 16V YK C1012 470 35V MHE C1013 1000 16V YK C757 100 10V YK C1003 0 1 50V KA C736 1 50V KA C1019 220 6 3V YK OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME WAS RECEIVED IN GOOD C...

Страница 28: ...g waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 0 5µs 1 00V 10ms 1 00V 20µs 1 00V 20µs 1 00V 50µs 100mV 0 2ms 1 00V 0 2ms 1 00V 50µs 0 50V 50µs 100mV 50µs 100mV 20µs 0 50V 20µs 1 00V 20µs 1 00V 20µs 1 00V 12 2ms 200mV H 1 ...

Страница 29: ...ured at the point of the corresponding balloon number in the schematic diagram NOTE 20µs 1 00V 20µs 100mV 20µs 1 00V 20µs 1 00V 20µs 1 00V 20µs 1 00V 20µs 1 00V 20µs 200mV 10ms 1 00V 20µs 1 00V 16 20µs 100mV DEFLECTION CRT 33 34 10ms 1 00V 10ms 10 0V 31 2ms 200mV 30 2ms 200mV H 2 ...

Страница 30: ...eforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE SOUND AMP 43 2ms 0 50V 40 20µs 50V 41 20µs 50V 45 0 2ms 5 0V 37 20µs 5 0V 38 39 20µs 50V 2µs 200V 35 36 10ms 10 0V 20µs 10 0V H 3 ...

Страница 31: ...ODED VIEW I 1 108 202 202 202 113 202 202 202 110 203 202 111 201 201 201 201 PCB110 CRT PCB ASS Y 203 102 103 104 107 203 105 101 106 203 109 PCB010 MAIN PCB ASS Y 114 118 117 116 205 204 204 204 205 115 203 203 112 ...

Страница 32: ...IELD IC 118 752WSA0216 SHIELD CASE 201 8121J50B54 SCREW TAPPING B0 GW20 5x28 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8110630A04 SCREW TAP TITE P BRAZIER 3x10 204 8109I30A04 SCREW TAP TITE B WH7 3x10 205 8107630804 SCREW TAP TITE S BRAZIER 3x8 723000B994 SHEET BAR CODE 791WHA0085 LAMIFILM BAG 792UHA0171 PACKAGE TOP 792UHA0172 PACKAGE BOTTOM 793UCDB026 GIFT BOX A3L907G975 INSTRUCTION BOOK KIT...

Страница 33: ...R801R7182J RC 1 8K OHM 1 10W R535 R801R7102J RC 1K OHM 1 10W R142 R801R7182J RC 1 8K OHM 1 10W R536 R002T4224J RC 220K OHM 1 4W R143 R801R7152J RC 1 5K OHM 1 10W R537 R801R7561J RC 560 OHM 1 10W R144 R002T4102J RC 1K OHM 1 4W R538 R801R7103J RC 10K OHM 1 10W R145 R002T4102J RC 1K OHM 1 4W R541 R801R7273J RC 27K OHM 1 10W R146 R002T4102J RC 1K OHM 1 4W R542 R002T4102J RC 1K OHM 1 4W R147 R002T4122J...

Страница 34: ...47 UF 100V MKT R816 R002T4560J RC 56 OHM 1 4W C437 P4J7F3334J CMPP 0 33 UF 250V PMS R817 R801R7271J RC 270 OHM 1 10W C439 C0JTSL5K1J CC 27 PF 500V SL R818 R801R7182J RC 1 8K OHM 1 10W C440 P235W1103J CMP 0 01 UF 100V MKT R819 R6558A2R2J R FUSE 2 2 OHM 2W C442 P4N8FK862H CMPP 0 0086UF 1 5KV R1001 R002T4472J RC 4 7K OHM 1 4W C446 E02LU5220M CE 22 UF 50V R1003 R801R7102J RC 1K OHM 1 10W C448 E5EZFD22...

Страница 35: ...50V D1002 D1VT001330 DIODE SILICON 1SS133T 77 C742 E50HU2100M CE 10 UF 16V D1003 D1VT001330 DIODE SILICON 1SS133T 77 C743 E50HU2100M CE 10 UF 16V ICS C748 E02LU1101M CE 100 UF 10V IC101 I5PD0F006A IC OECF006A C757 E02LU1101M CE 100 UF 10V IC102 IC7J0311A0 IC R3111N311A C TR C759 CS0RB0413K CC 0 001 UF 50V B IC199 A3L907G015 IC S 24C04BDP LA C763 CS0RCH412J CC 100 PF 50V CH IC201 I0WDE246C0 IC STV2...

Страница 36: ...4 L704 021LA6220J COIL 22 UH X101 100CT4R013 CRYSTAL HC 49 U S L706 021LA6220J COIL 22 UH X601 100CT4R408 CRYSTAL HC 49 U L707 021LA6220J COIL 22 UH X602 100CT3R509 CRYSTAL HC 49 U L708 021LA6220J COIL 22 UH L711 021LA6220J COIL 22 UH RESISTOR L713 02167F100J COIL 10 UH RC CARBON RESISTOR L715 021LA6220J COIL 22 UH L717 021LA6100J COIL 10 UH CAPACITORS L801 021673101J COIL 100 UH CC CERAMIC CAPACI...

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