Toshiba 21A3E Service Manual Download

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SPECIFIC INFORMATIONS

Location

No.

Part No.

Description

Location

No.

Part No.

Description

CV12

24206228

ELECTROLYTICCE04WS

50V 0.22UF M 7L 3A

RESISTORS

R101

24366682

CARBON,FILM GSB 1/6W6.8K J

R102

24366121

CARBON FILM, 1/6W120 OHM J

R103

24366472

CARBON FILM, 1/6W4.7K OHM J

R104

24366151

CARBON FILM, 1/6W150 OHM J

R105

24366681

CARBON FILM, 1/6W680 OHM J

R106

24366123

CARBON FILM, 1/6W12K OHM J

R117

24366221

CARBON FILM, 1/6W220 OHM J

R118

24366563

CARBON FILM, 1/6W56K OHM J

R123

24366103

CARBON FILM, 1/6W10K OHM J

R124

24366103

CARBON FILM, 1/6W10K OHM J

R127

24366101

CARBON FILM, 1/6W100 OHM J

R128

24366221

CARBON FILM, 1/6W220 OHM J

R129

24366181

CARBON FILM, 1/6W180 OHM J

R130

24366331

CARBON FILM, 1/6W330 OHM J

R132

24366101

CARBON FILM, 1/6W100 OHM J

R133

24366272

CARBON FILM, 1/6W2.7K OHM J

R134

24366221

CARBON FILM, 1/6W220 OHM J

R135

24366101

CARBON FILM, 1/6W100 OHM J

R136

24366202

CARBON FILM, 1/6W2K OHM J

R144

24366152

CARBON FILM, 1/6W1.5K OHM J

R145

24366152

CARBON FILM, 1/6W1.5K OHM J

R151

24366473

CARBON FILM, 1/6W47K OHM J

R152

24366222

CARBON FILM, 1/6W2.2K OHM J

R153

24366222

CARBON FILM, 1/6W2.2K OHM J

R154

24366682

CARBON,FILM GSB 1/6W6.8K J

R156

24553153

OXIDE METAL FILM, 1W15K OHM J

R157

24366473

CARBON FILM, 1/6W47K OHM J

R167

24366151

CARBON FILM, 1/6W150 OHM J

R170

24366390

CARBON,FILM GSB 1/6W39 J

R199

24366684

CARBON FILM, 1/6W680KOHM J

R209

24366222

CARBON FILM, 1/6W2.2K OHM J

R216

24366224

CARBON FILM, 1/6W220KOHM J

R218

24366104

CARBON FILM SB 1/6W100K J

R227

24366223

CARBON FILM, 1/6W22K OHM J

R228

24366271

CARBON FILM, 1/6W270 OHM J

R229

24366271

CARBON FILM, 1/6W270 OHM J

R230

24366271

CARBON FILM, 1/6W270 OHM J

R233

24366100

CARBON FILM, 1/6W10 OHM J

R301

24366102

CARBON FILM, 1/6W1K OHM J

R302

24366222

CARBON FILM, 1/6W2.2K OHM J

(21A3TR)

R303

24366222

CARBON FILM, 1/6W2.2K OHM J

(21A3TR)

R304

24366473

CARBON FILM, 1/6W47K OHM J

R305

24322189

METAL FILM 1W1R8 J

R306

24366223

CARBON FILM, 1/6W22K OHM J

R307

24366564

CARBON FILM, 1/6W560KOHM J

R308

24366102

CARBON FILM, 1/6W1K OHM J

R309

24366222

CARBON FILM, 1/6W2.2K OHM J

(21A3TR)

R310

24552822

RS14B2H822JB(21A3TR)

R312

24552122

0XIDE RES B1/2W122J

R313

24366243

CARBON FILM SB 1/6W24K J

R314

24366103

CARBON FILM, 1/6W10K OHM J

(21A3TR)

R333

24339569

METAL FILM 2W5R6 J

R336

24383331

OXIDE FILM 2W330J

R370

24321189

METAL FILM 1/2W1R8 J

R371

24366562

CARBON FILM SB 1/6W5.6K J

R372

24366392

CARBON FILM SB 1/6W3.9K J

R373

24366102

CARBON FILM, 1/6W1K OHM J

R374

24366163

CARBON FILM SB 1/6W16K J

R402

24366102

CARBON FILM, 1/6W1K OHM J

R405

24366104

CARBON FILM SB 1/6W100KJ

R408

24366472

CARBON FILM, 1/6W4.7K OHM J

R409

24366822

CARBON FILM, 1/6W8.2K OHM J

R410

24366181

CARBON FILM, 1/6W180 OHM J

R411

24366561

CARBON FILM, 1/6W560 OHM J

R412

24366560

CARBON FILM, 1/6W56 OHM J

R416

24019325

OXIDE FILM 5W2R2K J

R421

24366391

CARBON FILM, 1/6W390 OHM J

R430

24366103

CARBON FILM, 1/6W10K OHM J

R432

24531120

FUSIBLE, 1/2W12 OHM J

R433

24366562

CARBON FILM SB 1/6W5.6K J

R434

24552271

OXIDE MATEL FILM, 1/2W270 OHM J

R435

24366182

CARBON FILM, 1/6W1.8K OHM J

R441

24532102

FUSIBLE, 1W1K OHM J

R447

24553472

0XIDE RES B1W472J

R448

24321228

METAL FILM 1/2WR22 J

R470

24322688

METAL FILM 1WR68 J

R471

24552301

0XIDE RES B1/2W301J

R473

24366153

CARBON FILM, 1/6W15K OHM J

R474

24376393

CARBON FILM 1/2W39K J

R479

24552820

OXIDE METAL FILM, 1/2W82 OHM J

R490

24366101

CARBON FILM, 1/6W100 OHM J

R511

24366562

CARBON FILM SB 1/6W5.6K J

R523

24366303

CARBON FILM, 1/6W30K OHM J

R525

24366222

CARBON FILM, 1/6W2.2K OHM J

(21A3TR)

R526

24366222

CARBON FILM, 1/6W2.2K OHM J

(21A3TR)

R527

24366222

CARBON FILM, 1/6W2.2K OHM J

(21A3TR)

R528

24366222

CARBON FILM, 1/6W2.2K OHM J

(21A3TR)

R603

24366183

CARBON FILM SB 1/6W18K J

R604

24366220

CARBON FILM, 1/6W22 OHM J

R605

24366102

CARBON FILM, 1/6W1K OHM J

R606

24366223

CARBON FILM, 1/6W22K OHM J

R607

24366223

CARBON FILM, 1/6W22K OHM J

R608

24366102

CARBON FILM, 1/6W1K OHM J

R609

24366220

CARBON FILM, 1/6W22 OHM J

R612

24366103

CARBON FILM, 1/6W10K OHM J

R624

24366104

CARBON FILM SB 1/6W100KJ

R629

24366123

CARBON FILM, 1/6W12K OHM J

R662

24552221

OXIDE METAL FILM, 1/2W220 OHM J

R663

24552221

OXIDE METAL FILM, 1/2W220 OHM J

* R801

24009954

METAL FILN, 1/2W2.2M OHM J

R802

24383123

OXIDE METAL FILM, 2W12K J

R803

24383123

OXIDE METAL FILM, 2W12K J

R804

24366334

CARBON FILM, 1/6W330KOHM J

R805

24366681

CARBON FILM, 1/6W680 OHM J

R807

24366334

CARBON FILM, 1/6W330KOHM J

R808

24019476

THERMISTOR, POSITIVE,

AC290V 18 OHM M

R809

24366393

CARBON FILM, 1/6W39K OHM J

R810

24568229

CEMENT, 7W2.2 OHM J

R814

24366103

CARBON FILM, 1/6W10K OHM J

R815

24366332

CARBON F1LM, 1îÄ6ô• 3.3K OHM J

R816

24366471

CARBON F1LM, 1/6W470 OHM J

R817

24366331

CARBON FILM, 1/6W330 OHM J

R818

24366561

CARBON FILM, 1/6W560 OHM J

R819

24366102

CARBON FILM, 1/6W1K OHM J

R820

24988023

METAL FILM 1WR22 J

Summary of Contents for 21A3E

Page 1: ...SERVICE MANUAL COLOUR TELEVISION S1E Chassis FILE NO 060 200105 21A3E 21A3TR 21A3M 21A3MJ PRINTED IN JAPAN Jun 2001 T ...

Page 2: ...ODE 6 DESIGN MODE 9 ELECTRICAL ADJUSTMENTS 10 CIRCUIT CHECK 15 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 16 LOCATION OF CONTROLS 17 PROGRAMMING CHANNEL MEMORY 18 CIRCUIT BLOCK DIAGRAM 20 CHASSIS AND CABINET REPLACEMENT PARTS LIST 21 PC BOARDS BOTTOM VIEW 29 TERMINAL VIEW OF TRANSISTORS 32 SPECIFICATIONS 33 APPENDIX CIRCUIT DIAGRAM ...

Page 3: ...e attempted by anyone unfamiliar with the necessary precautions on this receiver The following are the necessary precautions to be observed before servicing this chassis 1 An isolation transformer should be connected in the power line between the receiver and the AC line before any service is performed on the receiver 2 Always discharge the picture tube anode to the CRT conductive coating before h...

Page 4: ...ECTION YOKE TEMPORARY MOUNTING RUBBER WEDGE ADHESIVE DEFLECTION YOKE PURITY CONVERGENCE MAGNET ASS Y 29 1mm 28 29 25mm 25 19mm 19 20 21 14mm 13 14 Figure 1 COLOR PURITY ADJUSTMENT NOTE Before attempting any purity adjustments the receiver should be operated for at least fifteen minutes 1 Demagnetize the picture tube and cabinet using a degauss ing coil 2 Set the brightness and contrast to maximum ...

Page 5: ...1 Do not remove cover paper on adhesive part of the wedge 3 Tilt front of the deflection yoke up or down to obtain better convergence in circumference See figure 3 Push the mounted wedge into the space between picture tube and the yoke to fix the yoke temporarily 4 Put other wedge into bottom space and remove the cover paper to stick 5 Tilt front of the yoke right or left to obtain better conver g...

Page 6: ...data value Volume on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 CALL Channel button on TV s Reset the count of operating protect circuit to 00 CALL Channel button on TV t RCUT selection 1 button GCUT selection 2 button BCUT selection 3 button CNTX or SCNT selection 4 button COLC selection 5 button TNTC selection 6 button Test audio signal ON OFF 1k...

Page 7: ... item 2 Press and hold the CALL button on the Remote then press the CHANNEL s button on the TV The initialization of QA02 has been complated 3 Check the picture carefully If necessary adjust any adjustment item above Perform Auto search Memory on the owner s manual CAUTION Never attempt to initialize the data unless QA02 has been replaced 7 TEST SIGNAL SELECTION 1 Every pressing of a button on the...

Page 8: ...ted color of mode now selected Green and Red Indicated color of other modes White Green Normal Red The microcomputer operates to provide judgement of no video signal The red color is still indicated though the signal is input failure may exist in input signal line including QV01 QV01 In case of indication green Normal In case of indication red with input signal Failure may exist in output line inc...

Page 9: ...ign mode changes the adjustment items in the order of table 3 s button for reverse order Refer to table 3 for data of design mode See SETTING ADJUSTING DATA on page 16 3 ADJUSTING THE DATA Pressing of VOLUME s or t button will change the value of data When QA02 is initialized items OPT0 and OPT1 of DESIGN MODE are set to the data of the representative model of this chassis family Therefore because...

Page 10: ... the difference between the belt of vertical retrace and the border of black portion of inside pattern is visible After that return vertical height and contrast ITEM ADJUSTMENT PROCEDURE Belt of vertical retrace HORIZONTAL POSITION ADJUSTMENT HPOS VERTICAL POSITION ADJUSTMENT VPOS 1 Set the TV in service mode and get black or white cross bar signal with VIDEO button on remote hand unit 2 Select ei...

Page 11: ...on screen Note Every pressing of button provides Horizontal line picture and Normal picture alternately 5 Press button to release horizontal line picture and select the two other colors which did not light in the above step with CHANNEL s t buttons Then tap VOL UME buttons so that three colors slightly light in the same level X To correct white balance in light area select GDRV and BDRV with CHANN...

Page 12: ...s by eye check SPEC 4 1 5 bars Note This ITEM Adjust at last 3 SUB COLOUR CENTER COLP Measuring point Q501 22 B OUT Adjusting signal Sub Bright PAL signal Adjusting method 1 Set user control to the standard 1 2 Change COLP data COLC Difference data to adjust the 6th peak amplitude of rainbow color bar Adjust the amplitude of color bar p p value of the upper half 1 4 0 2V p p Note This ITEM Adjust ...

Page 13: ...H 3 Set the mode to the one horizontal line mode 4 Change SCREEN VR to set it so that one of the line R G and B will light slightly 5 Change CUT OFF data to set it so that each one of R G and B will light slightly for about white 6 Release the H Line mode 7 Change B G drive data and R G B CUT OFF data to adjust white balance in bright area and dark area Bright area High light area 103cd m2 Dark ar...

Page 14: ...not use French SECAM Measuring place On Picture Setting Contrast Max Bright Center Color Center Adjusting method Adjust VPOS upper and lower position on Philips pattern may become a center Turn the direction of CPT to the south or the north when adjusting Adjust the amount offsetting if it is not possible to do 12 VERTICAL HEIGHT Input signal WG Philip Pattern Do not use French SECAM Measuring pla...

Page 15: ...n accurate high voltage meter to the second anode of the picture tube 2 Turn on the receiver Set the BRIGHTNESS and CONTRAST controls to minimum zero beam current 3 High voltage must be measured below B kV Refer to table 1 for high voltage B See SETTING ADJUSTING DATA on page 16 4 Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any condition...

Page 16: ...a 21 Remarks Table 3 Item Adjustment Reference data RCUT GCUT BCUT GDRV BDRV BRTC COLC TNTC COLP COLS SCNT HPOS VPOS HIT VLIN WID PARA CNR TRAP SRY SBY R CUTOFF B W G CUTOFF B W B CUTOFF B W G DRIVE B DRIVE SUB BRIGHT CEN SUB COLOR CEN NTSC SUB TINT CEN SUB COLOR CEN PAL SUB COLOR CEN SECAM SUB CONTRAST 50Hz H POSITION V POSITION HEIGHT V LINEARITY PICTURE WIDTH E W PARABOLA E W CORNER TRAPEZIUM S...

Page 17: ... off Video In Audio Input Left Main Power On Off Power Ind Infra red Sensor Channel Up Channel Down MENU Open Remote CALL 1 4 7 2 5 8 0 3 6 9 MENU Digit Select Position down up Level down up Menu open mute Power ON OFF Direct Select TV VIDEO Select Volume down up Level down up Picture control Menu Selectg Audio Input Right ...

Page 18: ...matically When programming is complete the initial position number will reappear After presetting Check the preset channels by pressing the position down up buttons If the picture or sound of a certain channel is not good fine tune the channel using the MFT function If the colour of a certain channel is abnormal automatic colour system selection AUTO may malfunction or sound system selection is wr...

Page 19: ... Press the MENU button repeatedly to call up the SET UP menu on the screen Press the t s buttons to move the cursor S to AFT Press the buttons to select the ON indication Note When position is set to AFT OFF status the R mark appears to the left of the position number When the channel is set to AFT ON status the position number is displayed without the R mark 1 2 3 4 1 2 3 After presetting the cha...

Page 20: ...Q901 Q903 Q905 Q610 Q840 AV IN 1 AV IN 2 MEMORY QT01 TEXT REGULATOR RESET µ COM I 2 C BUS R G B HYBRID CONVERTER TRANS B VOLTAGE C Y CHROMA VIDEO DEF VIDEO OUT V OUT H OUT ERROR AMP F B T H V D Y V H CRT AUDIO OUT L R AV SW BUS CONTROL BLOCK SV V L R R MONITOR OUTPUT V L R V L CHASSIS BLOCK DIAGRAM ...

Page 21: ...MIC DISKCK45 B500V1000PF K C420 24666220 ELECTROLYTICCE04Q16V 22UF M 3A C421 24666470 ELECTORLYTOC CE04Q16V 47UF M 3A C431 24794102 ELECTROLYTICCE04G16V 1000UF M C433 24666100 ELECTROLYTICCE04Q10V 10UF M 3A C435 24797479 ELECTROLYTICCE04G50V 4 7UF M C440 24082951 PLASTIC FILMCF92T 1500VH 6000PF H C442 24082694 PLASTIC FILMCF92T 250VR33UFJ C444 24082934 PLASTIC FILMCF92T 1500VH 1500PF H C445 248285...

Page 22: ...6V 47UF M CA01 24473220 CERAMIC 50V 22PF J CA02 24473330 CERAMIC CC141SL 50V 33PF J CA22 24473150 CERAMIC CC141SL 50V 15PF J CA23 24473150 CERAMIC CC141SL 50V 15PF J CA24 24473150 CERAMIC CC141SL 50V 15PF J CA25 24473150 CERAMIC CC141SL 50V 15PF J CA37 24212101 CERAMIC DISKCK45 B50V 100PF K CA38 24212101 CERAMIC DISKCK45 B50V 100PF K CA42 24794100 ELECTROLYTICCE04G16V 10UF M CA43 24591104 PLASTIC ...

Page 23: ... J R336 24383331 OXIDEFILM2W330J R370 24321189 METAL FILM1 2W1R8 J R371 24366562 CARBON FILMSB 1 6W5 6K J R372 24366392 CARBON FILMSB 1 6W3 9K J R373 24366102 CARBON FILM 1 6W1K OHM J R374 24366163 CARBON FILMSB 1 6W16K J R402 24366102 CARBON FILM 1 6W1K OHM J R405 24366104 CARBON FILMSB 1 6W100KJ R408 24366472 CARBON FILM 1 6W4 7K OHM J R409 24366822 CARBON FILM 1 6W8 2K OHM J R410 24366181 CARBO...

Page 24: ...80 OHM J RA21 24366222 CARBON FILM 1 6W2 2K OHM J 21A3TR RA22 24366472 CARBON FILM 1 6W4 7K OHM J RA23 24366472 CARBON FILM 1 6W4 7K OHM J RA24 24366472 CARBON FILM 1 6W4 7K OHM J RA25 24366152 CARBON FILM 1 6W1 5K OHM J RA26 24366102 CARBON FILM 1 6W1K OHM J RA27 24366102 CARBON FILM 1 6W1K OHM J RA31 24366101 CARBON FILM 1 6W100 OHM J RA32 24366101 CARBON FILM 1 6W100 OHM J RA33 24366471 CARBON ...

Page 25: ...66151 CARBON FILM 1 6W150 OHM J 21A3TR RT43 24366151 CARBON FILM 1 6W150 OHM J 21A3TR RT46 24366332 CARBON F1LM 1 6 3 3K OHM J 21A3TR RT47 24366332 CARBON F1LM 1 6 3 3K OHM J 21A3TR RT48 24366332 CARBON F1LM 1 6 3 3K OHM J 21A3TR RV01 24366750 CARBON FILM 1 6W75 OHM J RV02 24366101 CARBON FILM 1 6W100 OHM J RV03 24366103 CARBON FILM 1 6W10K OHM J RV08 24366102 CARBON FILM 1 6W1K OHM J RV09 2455210...

Page 26: ...30 23314141 TRANSISTOR 2SC3852 Q830B 70391355 SCREW 3X8MM Q840 23318299 IC L78MR05 FA Q843 23114459 TRANSISTOR RN1205 Q846 23114540 TRANSISTOR VCBO250V IC50MA TO922SC3333 Q862 23906937 IC PHOTO COUPLER ON3171 R Q901 23114756 TRANSISTOR 2SC2482 Q903 23114756 TRANSISTOR 2SC2482 Q905 23114756 TRANSISTOR 2SC2482 Q907 23314962 TRANSISTOR KTA1266 Y Q908 23114429 TRANSISITOR 2SC2120 Y TE QA01 23000877 IC...

Page 27: ...33 21A3TR GA23 23357341 DIODE VF 1 2V DO 34 1SS133 21A3TR GA24 23357341 DIODE VF 1 2V DO 34 1SS133 21A3TR GJ07 24366472 CARBON FILM 1 6W4 7K OHM J GJ08 24366472 CARBON FILM 1 6W4 7K OHM J KB01 23906805 IC REMOTE PHOTO RECIEVERPIC TB17 N724 23965900 TAPE GLASS CLOTH W ADHESIVE W 18 T 0 18 P661 23363607 JACK HEAD PHONE 3 5MM P801 23372159 POWER CORD CEE 250V2 5A 21A3E 21A3TR P801 23372160 POWER CORD...

Page 28: ...KNOB CONTROLBUTTON A270 23836867 SPRING A275 23035412 SCREW A276 23035412 SCREW A277 23035412 SCREW A401 23540631 COVER BACK COVER A403 23553194 LABEL 21A3E A403 23553240 LABEL 21A3TR A403 23553238 LABEL 21A3M A403 23553239 LABEL 21A3MJ A511 23035412 SCREW A512 23035412 SCREW A525 23037312 SCREW A701 23064567 CARTON CASE 21A3E 21A3E A701 23064596 CASE 21A3TR A701 23064594 CASE 21A3M A701 23064595 ...

Page 29: ... 29 30 MAIN BOARD PD0302 MAIN BOARD PD0303 MAIN BOARD PD0158 BOTTOM FOIL SIDE ...

Page 30: ... 2SC5243 2SC3852 2SD1763A 2SC1569 2SC4544 2SA1788 2SA1306 2SA1186A 2SC752GTM 2SC2482 2SC2655 2SC4721P 2SC752 2SA562TM 2SA1015 2SC1815 2SC2878 2SC1740S 2SC2120 2SA9335 2SA1788 RN2203 RN2201 RN2004 RN1203 RN1204 RN2204 RN1205 RN1202 RN1201 2SD1554 2SD2253 2SD1556 2SC5143 2SD2553 ON4409 ...

Page 31: ...0 mm Height 456 mm Depth 485 mm 24 0 kg Approx TYPE 21 54 cm Overall picture tube measured diagonally 51 cm Viewable picture tube measured diagonally 90 deflection Colour system Sound system 4 43NTSC 5 5 6 0 6 5 MHz PAL 60Hz 5 5 6 0 6 5 MHz PAL SECAM NTSC4 43 NTSC3 58 60 Hz PAL 50 Hz 3 58NTSC 5 W 5 W 10 THD 120 60 mm 2 pcs Remote Controller 1 Battery R6 AA 2 VHF 2 12 1 12 2 12 1 12 2 13 UHF 21 69 ...

Page 32: ......

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