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SERVICE MANUAL

PRINTED IN UK. 2003 C

COLOUR TELEVISION

21S23D

TOSHIBA

FILE NO: 050-200245

Содержание 21S23D

Страница 1: ...SERVICE MANUAL PRINTED IN UK 2003 C COLOURTELEVISION 21S23D TOSHIBA FILE NO 050 200245 ...

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: ...G EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT STEREO SCHEMATIC DIAGRAMS MICON TUNER IF CHROMA 21PIN DEFLECTION CRT POWER SOUND AMP STEREO 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 F 5 F 6 G 1 G 2 G 3 G 4 G 5 G 6 G 7 ...

Страница 4: ... 1Tuner 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 Yes 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 23...

Страница 5: ...put Source Yes Source Yes Control Level Yes Volume Yes Brightness Yes Contrast Yes Color Yes Tint NTSC Only Yes Sharpness Yes Tuning Yes Bass Yes Treble Yes Balance Yes Back Light No Nicam ST Yes G A2 Stereo Yes Tone 1 2 A B Yes Surround On Off No Pin Code No AV Yes Skip Yes Channel Yes Hotel Lock No Sleep Timer No Selectable Picture Yes Wide Mode No Sound Mute Yes G 8 OSD Language English French ...

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: ...ter 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 x2 Other Terminal Head Phone Stereo Rear Video Input Rear1...

Страница 8: ...ft Box Yes Material Double Brown Dimensions W x D x H mm 658 x 575 x 529 Design As per Buyer s Description of Origin No Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 46 Container Stuffing 288 Sets 40 container G 17 Cabinet Material Cabinet Front PS 94HB Cabinet Rear PS 94HB Holder PS 94V0 NON HALOGEN 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: ...36 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 OSD V POSI OSD V POSI TEXT RF 00 00 00 45 05 00 25 16 30 02 50 10 50 10 127 31 00 15 00 135 57 57 AV 25 16 ADJ 02 50 10 50 10 To check for the fixed values of the RF 60Hz indicate the adju...

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: ...UIDE WIRING CONNECTION D 5 CP803B CP802B CP801 CRT J801 FB401 STEREO PCB J701 CP101 TU001 J702 J705 J704 J703 CP803A CP802A TP801 TP803 CRT CP401 CP501 AC IN CD501 SPEAKER CP1001 CP502 CRT VR501 TP501 R521 MAIN PCB CRT PCB CD803 CD802 L503 TP001 VR420 VR401 C D 801 ...

Страница 19: ...03 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 71 XTAL_OUT 72 XTAL_IN X901 18 432MHz DVSUP AVSUP 66 11 P CON 5V SDA 3 SCL 2 I2C ANA_IN1 67 AHVSUP 39 P CON 8V DACM_L 27 DACM_R 28 10 8 3 1 3 4 2 6 7 5 1 HEADPHONEJACK J702 SPEAKER SP351 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 NJM223...

Страница 20: ...530 R524 C503 R544 R545 Q513 R546 Q514 R547 C528 C533 Q511 C511 C523 Q505 D506 R514 CP502 D517 C522 R507 D406 W054 D404 R410 R431 D514 D521 D527 R548 W055 R445 R430 W056 W057 R532 VR501 W059 D604 W060 W061 W062 R542 W063 W064 W065 W066 W067 W069 C402 TP501 W825 L716 L715 R150 W072 W073 W074 W075 W076 B702 B701 C1002 C1012_2 W077 D101 D103 W078 W079 C408 C130 L202 R503 X602 W080 W081 W082 W083 B504...

Страница 21: ...727 R729 R726 R109 C730 C729 C731 C732 C727 C726 C722 C720 C761 R718 R723 R724 R717 R722 R721 R719 R736 R737 R732 R733 C716 C721 C719 R702 R709 R705 R710 C713 C714 Q602 Q603 R610 Q711 Q601 R217 C603 C607 R1011 R1009 R142 R141 R140 R143 Q503 R502 C745_1 R133 R005 R137 R412 R408 R420 R523 R535 R531 C541 R516 R510 C513 R518 R519 Q502 C502 R538 Q510 Q512 Q508 R537 R614 R602 C629 C612 C638 C605 R129 R1...

Страница 22: ...006 W001 W004 W002 W003 X901 B902 CP902 CP901 B901 C901 W008 S101 STEREO INSERTED PARTS SOLDER SIDE PRINTED CIRCUIT BOARDS I C 9 0 2 C921 C941 C938 C909 C910 C917 C916 C915 C912 C924 C923 C906 C905 R909 C902 C903 C904 C914 C944 C913 C945 C946 C919 C918 R910 STEREO CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 ...

Страница 23: ...102 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 1788 BT002 R03 AB 2PXGPI UM 4 BT00...

Страница 24: ...1 B C618 0 1 B C614 1 B C612 0 0015 B C635 0 15 B C201 3P CH C604 1 50V KA C628_1 100 16V YK C220 470 10V YK C217 47 16V YK C624 10 16V KA C611 3 3 50V KA C213 1 50V KA C209 10 16V KA C206 1 50V KA C210 1 50V KA C602 0 1 50V KA C613 470 10V YK IC201 STV2248C 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 ...

Страница 25: ...4 0 01 B C732 0 01 B C731 0 01 B C727 470P CH C726 470P CH C763 100P CH C743 10 16V KA C724 10 16V KA C725 100 10V YK C723 10 16V KA C748 100 10V YK Q701 KTA1266 BUFFER 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 T...

Страница 26: ... 2W R429 2 2K 1 2W TP802 TP803 TP801 C417 10 50V YK C418 2200 25V YK D402 MTZJ30B D401 MTZJ30B W859 L801_1 100uH 0305 L802 150uH 0607 L803 150uH 0607 L804 150uH 0607 L401 4 7mH 0909 D403 11E1 EIC D405 AU02A EIC D410 AU02A EIC D801 1SS133 D802 1SS133 D803 1SS133 D404 11E1 EIC D406 11E1 EIC D407 11E1 EIC D408 1SS133 C422 0 47 100V MKT C440_1 0 0022 500V B C442_1 0 0047 1 25KV MPP C407 0 22 100V MKT ...

Страница 27: ...0K 1 4W R547 10K 1 4W R531 1K TP501 B ADJ C518_2 4 7 50V YK C515 1000 25V MHE C505 150 400V USR C533 220 6 3V YK C523 220 10V YK C503 4 7 100V MHE D511 MTZJ15B D528 MTZJ5 6B W816 W828 W817 W814 W826 W847 W809 D505 11E1 EIC D515 SB140 EIC D512 SB140 EIC D519 1SS133 D514 1SS133 D521 1SS133 D508 1N4937 D520 30DF6 FC D506 1SS133 D513 SB290S D507 1SS133 D523 11E1 EIC D524 11E1 EIC D516 SB290S D501 RM11...

Страница 28: ...001 B C1009 0 0047 B C1016 1 F C1020_1 0 001 B C1021_1 0 001 B C1011_1 33 16V KA C736 1 50V KA C1010 2 2 50V KA C1014 1000 16V YK C1002 100 6 3V YK C757 100 10V YK C737 1 50V KA C1018 100 6 3V YK C1019 220 6 3V YK C1012_2 2200 25V MHE C1013 1000 16V YK 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 I...

Страница 29: ...EACH PART WAS MEASURED SDA SCL P CON 5V P CON 8V STEREO_RESET SOUND_L SOUND_R GND SIF_IN SCART_A_IN1_R SCART_A_IN1_L SCART_A_IN2_R SCART_A_IN2_L FRONT_A_R FRONT_A_L SCART_A_OUT1_L SCART_A_OUT1_R SCART_A_OUT2_L SCART_A_OUT2_R FROM TO SOUND AMP FROM TO SOUND AMP PCB290 TEAA89 0 0 0 44 0 44 NC NC 0 0 NC NC NC 0 0 3 85 3 85 NC NC 3 98 3 98 0 0 0 2 4 0 0 0 0 0 0 0 0 1 4 9 4 9 NC NC NC NC NC NC NC NC NC...

Страница 30: ...ms 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 13 14 15 20µs 1 00V 20µs 1 00V 20µs 1 00V 16 20µs 100mV H 1 ...

Страница 31: ...ng balloon number in the schematic diagram NOTE 17 18 19 20 20µs 1 00V 20µs 100mV 20µs 1 00V 20µs 1 00V 21 20µs 1 00V 21PIN 22 23 26 20µs 1 00V 10ms 1 00V 20µs 1 00V 24 20µs 200mV 27 20µs 1 00V DEFLECTION CRT 33 34 35 36 10ms 1 00V 10ms 10 0V 10ms 10 0V 20µs 10 0V 37 20µs 5 0V H 2 ...

Страница 32: ...nding balloon number in the schematic diagram NOTE 48 0 2ms 0 50V SOUND AMP 42 2ms 0 50V 38 41 20µs 50V 2µs 200V 39 40 20µs 50V 20µs 50V STEREO 43 44 45 47 0 2ms 0 50V 0 2ms 5 0V 0 2ms 5 0V 2ms 0 50V 49 50 51 52 0 2ms 0 50V 0 2ms 0 50V 0 2ms 100mV 0 2ms 100mV 53 0 2ms 200mV H 3 ...

Страница 33: ... 55 56 57 WAVEFORMS The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 0 2ms 200mV 0 2ms 200mV 0 2ms 200mV 0 2ms 200mV 58 0 2ms 200mV H 4 ...

Страница 34: ...4 123 118 202 123 202 202 123 119 201 201 201 201 108 PCB110 CRT PCB ASS Y 120 104 103 106 105 206 205 205 205 206 102 PCB290 STEREO PCB ASS Y PCB010 MAIN PCB ASS Y 121 204 204 124 101 107 114 111 112 113 116 116 203 203 204 122 122 204 109 110 115 125 ...

Страница 35: ...034000 CORD CLIP UL CO 123 800UQ00009 FELT SHEET 124 899HV3T001 HOLDER ANODE WIRE 125 722000A083 SHEET PTB 201 8121J50B54 SCREW TAPPING B0 GW20 5x28 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8110630804 SCREW TAP TITE P BRAZIER 3x8 204 8110630A04 SCREW TAP TITE P BRAZIER 3x10 205 8109I30A04 SCREW TAP TITE B WH7 3x10 206 8107630804 SCREW TAP TITE S BRAZIER 3x8 723000B954 SHEET BAR CODE 791WHA00...

Страница 36: ... R801R7152J RC 1 5K OHM 1 10W R532 R002T4223J RC 22K OHM 1 4W R144 R002T4102J RC 1K OHM 1 4W R533 R002T4471J RC 470 OHM 1 4W R145 R002T4102J RC 1K OHM 1 4W R534 R801R7563J RC 56K OHM 1 10W R146 R002T4102J RC 1K OHM 1 4W R535 R801R7102J RC 1K OHM 1 10W R147 R002T4122J RC 1 2K OHM 1 4W R536 R002T4224J RC 220K OHM 1 4W R148 R801R7103J RC 10K OHM 1 10W R537 R801R7561J RC 560 OHM 1 10W R150 R002T4102J ...

Страница 37: ...28 CS0RCH4E2J CC 150 PF 50V CH R732 R801R7563J RC 56K OHM 1 10W C129 CS0RCH4H2J CC 220 PF 50V CH R733 R801R7103J RC 10K OHM 1 10W C130 P235WE105J CMP 1 UF 63V MKT R736 R801R7103J RC 10K OHM 1 10W C131 E50HU2100M CE 10 UF 16V R737 R801R7563J RC 56K OHM 1 10W C139 CS0RB02Q5K CC 0 47 UF 16V B R738 R801R7822J RC 8 2K OHM 1 10W C140 CS0RCH4H2J CC 220 PF 50V CH R739 R801R7822J RC 8 2K OHM 1 10W C141 CS0...

Страница 38: ...C911 E50HU2100M CE 10 UF 16V C601 CS0RCH4Q1J CC 47 PF 50V CH C912 CS0RB02L5K CC 0 33 UF 16V B C602 E50HU50R1M CE 0 1 UF 50 V C913 CS0RCH430C CC 3 PF 50V CH C603 CS0RF0316Z CC 1 UF 25V F C914 CS0RCH430C CC 3 PF 50V CH C604 E50HU5010M CE 1 UF 50V C915 CS0RB02L5K CC 0 33 UF 16V B C605 CS0RB0216K CC 1 UF 16V B C916 CS0RB02L5K CC 0 33 UF 16V B C606 CS0RB0414K CC 0 01 UF 50V B C917 CS0RB02L5K CC 0 33 UF...

Страница 39: ... EIC L202 033700005R COIL VIDEO IFT 3700005 D525 D2WT011E10 DIODE SILICON 11E1 EIC L203 021LA62R2K COIL 2 2 UH D526 D28F30DF60 DIODE RECTIFIER 30DF6 FC L204 021LA6100K COIL 10 UH D527 D2WT011E10 DIODE SILICON 11E1 EIC L206 021LA6R27M COIL 0 27 UH D528 D97U05R61B DIODE ZENER MTZJ5 6B T 77 L207 021LA6100J COIL 10 UH D603 D1VT001330 DIODE SILICON 1SS133T 77 L208 02167F3R3J COIL 3 3 UH D604 D2WT011E10...

Страница 40: ... CERAMIC TRAP MKT40 4MA110P TF CF301 1022133R41 FILTER SAW SAFGM33M4VC0Z00B03 CF303 1012T03101 FILTER CERAMIC TRAP MKT31 9MA110P TF CP001 069D01001A CONNECTOR PCB SIDE 003P 2100 CP101 069X160379 CONNECTOR PCB SIDE 06JQ ST CP401 069S450089 CONNECTOR PCB SIDE A1561WV2 A5P CP501 069S320419 CONNECTOR PCB SIDE A3963WV2 3PD CP502 069S420110 CONNECTOR PCB SIDE A1561WV2 2P CP601 069W010030 CONNECTOR PCB S...

Страница 41: ...TOSHIBA Information Systems UK Ltd Consumer Products Division European Service Centre Admiralty Way Camberley Surrey GU15 3DT ...

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