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SERVICE MANUAL

PRINTED IN UK. 2003 C

COLOUR TELEVISION

21V13B

TOSHIBA

FILE NO: 050-200248

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Summary of Contents for 21V13B

Page 1: ...SERVICE MANUAL PRINTED IN UK 2003 C COLOURTELEVISION 21V13B TOSHIBA FILE NO 050 200248 ...

Page 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...

Page 3: ...NG EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT STEREO SCHEMATIC DIAGRAMS MICON TUNER IF CHROMA 21PIN AV SW 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 G 1 G 2 G 3 G 4 G 5 G 6 G 7 G...

Page 4: ... and System 1Tuner Receive CH Destination Ohers Tuning System F Synth Input Impedance VHF UHF 75 ohm 21 69 CH Coverage Intermediate Picture FP 39 5MHz Frequency Sound FS 33 5MHz FP FS 6 0MHz Preset CH 100 Stereo Dual TV Sound Yes Tuner Sound Muting Yes G 3 Power Power Source AC 230V 240V 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 Hz Per Year kWh Yea...

Page 5: ... Auto 4 3 Default No AV2 Output Yes Output Source Yes Source Yes Control Level Yes Volume Yes Brightness Yes Contrast Yes Colour Yes Tint NTSC Only Yes Sharpness Yes Tuning Yes Bass Yes Treble Yes Balance Yes Back Light No Nicam ST 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 Wide Mode No Sound Mute Yes G 8 OSD Language English French...

Page 6: ...Yes 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 No Just Clock Function No Game Position No CH Label No VM Circuit No Full OSD No Unitext No Fastex...

Page 7: ...terface 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 No Video Inpu...

Page 8: ...aterial Double Brown Dimensions W x D x H mm 675 x 575 x 549 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 276 Sets 40 container G 17 Cabinet Material Cabinet Front PS 94V0 NON DECABROM Cabinet Rear PS 94V0 NON HALOGEN Holder PS 94V0 NON DECABROM A3 5 ...

Page 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...

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: ...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...

Page 12: ...ORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC VOL MIN 8 Writing of EEPROM initial data NOTE Do not use this for the normal servicing VOL MIN Display of the Adjustment MENU on the screen Refer to the ELECTRICAL ADJUSTMENT On Screen Display Adjustment 9 VOL MIN 7 Releasing of PROTECTION PASSWORD CONFIRMATION OF HOURS USED POWER ON total hours can be checked on the screen Total hours are displa...

Page 13: ...l blink Again step through the DATA using VOL button until required DATA value has been selected Pressing OK will 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 Fig 1 Note No need setting for the position of the mark due to the adj...

Page 14: ...lect 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...

Page 15: ...becomes equal to the Right Left OVER SCAN Quantity 2 8 VERTICAL SIZE 1 2 3 4 5 6 7 8 9 2 9 BRIGHT CENT 1 2 3 4 5 6 7 Receive the PAL black pattern RF Input 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 17 on the remote control to select B...

Page 16: ...on 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 ...

Page 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...

Page 18: ...OCATION GUIDE WIRING CONNECTION CP803B CP802B CP806 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 VR502 TP501 R521 MAIN PCB CRT PCB C D 8 0 1 CD803 CD802 L503 ...

Page 19: ...804 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 NJM2234L V...

Page 20: ...3 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 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 W077 D101 D103 W078 W079 C408 C130 L202 R503 X602 W080 W081 W082 W083 B504 W086 D5...

Page 21: ...720 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 SH501 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 R128 C139 C007 C543 R534 R152 C129 C140 R151 R108 R...

Page 22: ...037AK LED DRIVE Q102 2SA1037AK LED DRIVE D103 LTL 1CHGE 002A ON TIMER D101 SLR 342VCT32 STAND BY P ON SW104 SKHVBED010 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 NOMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADC...

Page 23: ...100 6 3V 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 C604 1 50V KA C613 470 10V YK C628 330 10V YK IC201 STV2248C CHROMA 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...

Page 24: ... B C732 0 01 B C731 0 01 B C727 470P CH C726 470P CH C763 100P CH C724 10 16V KA C725 100 10V YK C723 10 16V KA C748 100 10V YK C743 10 16V KA 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 NOMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC V...

Page 25: ...R427 100 1 4W R423 220K 1 4W R422 220K 1 4W TP802 TP803 TP801 C417 10 50V YK C418 2200 25V YK D402 MTZJ30B D401 MTZJ30B W859 L801 100uH 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 C407 0 22 100V MKT C422 0 47 100V MKT C406 0 001 500V B C801 0 001...

Page 26: ...3 220 6 3V YK C523 220 10V YK C503 4 7 100V MHE C518 10 50V MHE D511 MTZJ15B D528 MTZJ5 6B W847 W828 W816 W817 W814 W826 W809 D525 11E1 EIC D520 30DF6 FC D507 1SS133 D515 SB10 03A3 D512 SB10 03A3 D519 1SS133 D514 1SS133 D521 1SS133 D508 1N4937 D506 1SS133 D513 SB290S D523 11E1 EIC D524 11E1 EIC D516 SB290S D501 RM11C EIC D504 RM11C EIC D502 RM11C EIC D503 RM11C EIC D526 30DF6 FC D505 11E1 EIC D527...

Page 27: ...C759 0 001 B C1016 1 F C1012 470 35V MHE C1010 2 2 50V KA C1011 47 16V YK C1014 1000 16V YK C1013 1000 16V YK C1002 100 6 3V YK C757 100 10V YK C737 1 50V KA C736 1 50V KA C1018 100 6 3V YK 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 CONDITION AND PICTURE IS NOMAL WITH THE DIGITAL TESTER WHEN THE COLO...

Page 28: ...DCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED S101 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 TEAA89 PCB290 STEREO PCB FROM TO SAUND AMP FROM TO SAUND AMP G 14 G 13 STEREO SCHEMATIC DTAGRAM NC NC NC NC NC DACM_R DACM_L VREF1 NC NC NC N...

Page 29: ...ollowing waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTH 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 20µs 100mV ...

Page 30: ...The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTH H 2 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 10ms 1 00V 10ms 10 0V 10ms 10 0V 20µs 10 0V 20µs 5 0V ...

Page 31: ...following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTH H 3 2ms 0 50V 0 2ms 0 50V 20µs 50V 0 2ms 0 50V 20µs 50V 20µs 50V 0 2ms 5 0V 0 2ms 5 0V 2µs 200V 2ms 0 50V 0 2ms 0 50V 0 2ms 0 50V 0 2ms 100mV 0 2ms 100mV 0 2ms 200mV ...

Page 32: ... 55 56 57 58 WAVEFORMS The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTH H 4 0 2ms 200mV 0 2ms 200mV 0 2ms 200mV 0 2ms 200mV 0 2ms 200mV ...

Page 33: ... 123 118 202 123 202 202 123 119 124 104 103 102 106 105 207 205 205 205 207 PCB010 MAIN PCB PCB290 STEREO PCB 206 204 120 121 202 204 206 203 203 101 107 115 109 111 113 112 114 110 108 108 116 204 116 204 I 1 201 201 201 201 122 122 PCB110 CRT PCB ...

Page 34: ...490073 SHEET RATING 119 7230007471 SHEET JACK 120 755WPA0031 COVER PCB 121 761WPA0245 HOLDER FBT 122 762WPA0009 HOLDER CRT WIRE 123 800UQ00009 FELT SHEET 124 899HV3T001 HOLDER ANODE WIRE 201 8121J50B54 SCREW TAPPING B0 GW20 5x28 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8117D30A04 SCREW TAPPING B0 WH8 BRAZIER 3x10 204 8110630A04 SCREW TAP TITE P BRAZIER 3x10 205 8109I30A04 SCREW TAP TITE B WH...

Page 35: ... R801R7152J RC 1 5K OHM 1 10W R531 R801R7102J RC 1K OHM 1 10W R144 R002T4102J RC 1K OHM 1 4W R532 R002T4223J RC 22K OHM 1 4W R145 R002T4102J RC 1K OHM 1 4W R533 R002T4471J RC 470 OHM 1 4W R146 R002T4102J RC 1K OHM 1 4W R534 R801R7563J RC 56K OHM 1 10W R147 R002T4122J RC 1 2K OHM 1 4W R535 R801R7102J RC 1K OHM 1 10W R148 R801R7103J RC 10K OHM 1 10W R536 R002T4224J RC 220K OHM 1 4W R150 R002T4102J R...

Page 36: ...9 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 CS0RB0315K CC 0 1 UF 25V B R742 R801R7750J RC 75 OHM 1 10W C143 CS0RB0...

Page 37: ...CH430C CC 3 PF 50V CH C602 E50HU50R1M CE 0 1 UF 50 V C915 CS0RB02L5K CC 0 33 UF 16V B C603 CS0RF0316Z CC 1 UF 25V F C916 CS0RB02L5K CC 0 33 UF 16V B C604 E50HU5010M CE 1 UF 50V C917 CS0RB02L5K CC 0 33 UF 16V B C605 CS0RB0216K CC 1 UF 16V B C918 CS0RCH4Q2J CC 470 PF 50V CH C606 CS0RB0414K CC 0 01 UF 50V B C919 CS0RB04E3K CC 0 0015UF 50V B C607 CS0RF0316Z CC 1 UF 25V F C920 E50HU2100M CE 10 UF 16V C...

Page 38: ...1E1 EIC L207 021LA6100J COIL 10 UH D606 D97U06R81B DIODE ZENER MTZJ6 8B T 77 L208 02167F3R3J COIL 3 3 UH D607 D97U06R81B DIODE ZENER MTZJ6 8B T 77 L301 021LA62R2K COIL 2 2 UH D608 D97U06R81B DIODE ZENER MTZJ6 8B T 77 L302 021LA6R22M COIL 0 22 UH D609 D1VT001330 DIODE SILICON 1SS133T 77 L303 021LA61R0M COIL 1 UH D610 D1VT001330 DIODE SILICON 1SS133T 77 L401 021679472K COIL 4 7 MH D611 D1VT001330 DI...

Page 39: ...5C FILTER SAW TSF5372P CF204 1012T04101 FILTER CERAMIC TRAP MKT41 5MA110P CF301 1022132R91 FILTER SAW SAF32 9MC70Z CP001 069W01001A CONNECTOR PCB SIDE 003P 2100 CP101 069X160379 CONNECTOR PCB SIDE 06JQ ST CP401 069X450029 CONNECTOR PCB SIDE B05B DVS CP501 069S320419 CONNECTOR PCB SIDE A3963WV2 3PD CP502 069S420110 CONNECTOR PCB SIDE A1561WV2 2P CP601 069W010030 CONNECTOR PCB SIDE TBS X01X A1 CP801...

Page 40: ...TOSHIBA Information Systems UK Ltd Consumer Products Division European Service Centre Admiralty Way Camberley Surrey GU15 3DT ...

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