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Toshiba 21SZ2E, Руководство по обслуживанию

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– 2 –

GENERAL ADJUSTMENTS

SPECIFIC INFORMATIONS

TABLE  OF  CONTENTS

 CHAPTER 1

  

GENERAL ADJUSTMENTS

SAFETY INSTRUCTIONS ........................................................................................................................................ 3

SET-UP ADJUSTMENT ............................................................................................................................................ 4

SERVICE MODE ...................................................................................................................................................... 6

DESIGN MODE ........................................................................................................................................................ 9

ELECTRICAL ADJUSTMENTS .............................................................................................................................. 10

CIRCUIT CHECK .................................................................................................................................................... 12

 CHAPTER 2

  

SPECIFIC INFORMATIONS

SETTING & ADJUSTING DATA .............................................................................................................................. 13

LOCATION OF CONTROLS ................................................................................................................................... 14

PROGRAMMING CHANNEL MEMORY ................................................................................................................. 15

CHASSIS AND CABINET REPLACEMENT PARTS LIST ...................................................................................... 17

PC BOARDS BOTTOM VIEW ................................................................................................................................. 25

TERMINAL VIEW OF TRANSISTORS ................................................................................................................... 29

CIRCUIT BLOCK DIAGRAM .................................................................................................................................. 32

SPECIFICATIONS .............................................................................................................................................. END

APPENDIX:

CIRCUIT DIAGRAM

Содержание 21SZ2E

Страница 1: ...SERVICE MANUAL Color Television 21SZ2E 21SZ2ES 21SZ2T 21SZ2M 21SZ2MJ S3ES Chassis FILE NO 060 200315 Feb 2004 ...

Страница 2: ...ODE 6 DESIGN MODE 9 ELECTRICAL ADJUSTMENTS 10 CIRCUIT CHECK 12 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 13 LOCATION OF CONTROLS 14 PROGRAMMING CHANNEL MEMORY 15 CHASSIS AND CABINET REPLACEMENT PARTS LIST 17 PC BOARDS BOTTOM VIEW 25 TERMINAL VIEW OF TRANSISTORS 29 CIRCUIT BLOCK DIAGRAM 32 SPECIFICATIONS END APPENDIX CIRCUIT DIAGRAM ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 13 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...

Страница 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...

Страница 11: ...een 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 CHANNEL s t...

Страница 12: ...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 13 4 Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any condition...

Страница 13: ...MODE Data Item Name of adjustment Preset Data 21 Remarks Table 3 Item Adjustment Reference data RCUT GCUT BCUT RDRV GDRV BDRV BRTC COLC TNTC COLP COLS SCNT HPOS VPOS HIT VLIN SRY SBY RAGC R CUT G CUT B CUT R DRIVE 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 HIT V LIN SECAM R Y SECAM B Y RF AGC 00H 00H ...

Страница 14: ...rol TV Set Main power on off Infrared sensor Power indicator Menu open TV VIDEO select Volume down up Menu select Level adjust Channel down up Item select Headphone jack Audio input terminal Video input terminal q q MENU a tcs l AUDIO VIDEO Power on standby Direct select Channel up down Item select Volume down up Menu select Level adjust Digit select Menu open Sound mute Picture control TV VIDEO s...

Страница 15: ...art position the procedure is complete 1 2 3 Manual Search and Changing the assigned position 1 2 3 1 2 3 Manual Search Select Position 12 Press CH s t repeatedly until 12 is displayed Or press repeatedly to display on the screen then press the 1 and 2 buttons in this order Press MENU and to call up the TUNING menu D6 Press CH s t and select SEARCH Press to search Pressing searches for chan nels a...

Страница 16: ...e setting for skipping Posi tion 13 Notes When SKIP is ON the Position number is prefixed by Example 13 To confirm this select Position 13 using the and 0 9 buttons If you want to restore a skipped position number select it using the and 0 9 buttons then switch the SKIP setting to OFF as in step 2 above Manual fine tuning MFT Press MENU and to call up the TUNING menu D6 Press CH s t and select MFT...

Страница 17: ...FILM 1500VH 9100PF H C445 24828563 PLASTIC FILM 200V 56000PF J C447 24679220 ELECTROLYTIC 250V 22UF M 3A C448 24640908 ELECTROLYTIC 160V 33UF M 3A LI C449 24667102 ELECTROLYTIC 25V 1000UF M 3A C463 24212222 CERAMIC DISC 50V B 2200PF K C464 24640872 ELECTROLYTIC 100V 10UF M 3A C467 24820433 PLASTIC FILM 630V 0 043UF J C470 24797101 ELECTROLYTIC 50V 100UF M C472 24539474 PLASTIC FILM 50V 0 47UF J C4...

Страница 18: ...UF K CA55 24105101 CERAMIC CHIP 50V CH 100PF J CA56 24105101 CERAMIC CHIP 50V CH 100PF J CA60 24092538 CERAMIC CHIP 10V F 1UF Z CA61 24793101 ELECTROLYTIC 10V 100UF M CA65 24092729 CERAMIC CHIP CK73B 16V 68000PFK CA72 24105680 CERAMIC CHIP 50V CH 68PF J CA73 24105680 CERAMIC CHIP 50V CH 68PF J CA74 24105101 CERAMIC CHIP 50V CH 100PF J CA76 24797229 ELECTROLYTIC 50V 2 2UF M CA77 24092538 CERAMIC CH...

Страница 19: ...L FILM 1 20W 4 7K OHM J R520 24011101 CHIP METAL FILM 1 20W 100 OHM J R521 24011101 CHIP METAL FILM 1 20W 100 OHM J R522 24011101 CHIP METAL FILM 1 20W 100 OHM J R544 24011333 CHIP METAL FILM 1 20W 33K OHM J R545 24011121 CHIP METAL FILM 1 20W 120 OHM J R623 24011103 CHIP METAL FILM 1 20W 10K OHM J R624 24011104 CHIP METAL FILM 1 20W 100K OHM J R660 24011103 CHIP METAL FILM 1 20W 10K OHM J R661 24...

Страница 20: ...RI07 24871390 METAL FILM CHIP 1 8W 39 J RI08 24011821 CHIP METAL FILM 1 20W 820 OHM J RI09 24011102 CHIP METAL FILM 1 20W 1K OHM J RI10 24011103 CHIP METAL FILM 1 20W 10K OHM J 21SZ2E 21SZ2M 21SZ2MJ RI11 24011302 CHIP METAL FILM 1 20W 3K OHM J 21SZ2E 21SZ2M 21SZ2MJ RI12 24011103 CHIP METAL FILM 1 20W 10K OHM J 21SZ2E 21SZ2M 21SZ2MJ RI13 24011332 CHIP METAL FILM 1 20W 3 3K OHM J 21SZ2E 21SZ2M 21SZ2...

Страница 21: ... PEAKING TRF4R22AJ LI03 23238503 COIL PEAKING TRF4129AJ LI04 23238706 COIL PEAKING TRF4470AJ LI06 23238715 COIL PEAKING TRF4829AJ LI07 23238712 COIL PEAKING TRF4150AJ 21SZ2E 21SZ2M 21SZ2MJ LI10 23289270 COIL PEAKING TRF4270AF LI51 23232032 COIL VARIABLE TRF3546D LI56 23238562 COIL PEAKING TRF4109AJ LI57 23238562 COIL PEAKING TRF4109AJ LI61 23238710 COIL PEAKING TRF4220AJ 21SZ2E 21SZ2M 21SZ2MJ LI91...

Страница 22: ...805 23357012 DIODE 1SS244 D806 23357372 DIODE AXIAL EU2JGF 41U2 D809 23118529 DIODE ZENER RD5 6ES B2 D810 23118616 DIODE ZENER RD27ESA B2 D812 23357372 DIODE AXIAL EU2JGF 41U2 D819 23118526 DIODE ZENER RD6 8ES B2 D840 23118528 DIODE ZENER RD5 6ESA B3 D848 23118531 DIODE ZENER RD5 1ESA B3 D872 23118511 DIODE ZENER RD12ES B2 D883 23357372 DIODE AXIAL EU2JGF 41U2 D885 23357372 DIODE AXIAL EU2JGF 41U2...

Страница 23: ...2MJ ZI62 23107856 COIL FILTER TCF1030 21SZ2T ZI63 23303270 FILTER CFILT 6 5MHZ TCF1137AM 21SZ2E 21SZ2M 21SZ2MJ ZI64 23303289 FILTER TCF1141AM 21SZ2E 21SZ2M 21SZ2MJ PC BOARD ASSEMBLIES U901 23761146 CRT D BOARD PD0607C U902 23761147 SIGNAL BOARD PD1420 21SZ2E U902 23761342 SIGNAL BOARD PD1420A 21SZ2ES U902 23761430 SIGNAL BOARD PD1420E 21SZ2M 21SZ2MJ U902 23761431 SIGNAL BOARD PD1420F 21SZ2T U903 2...

Страница 24: ... 24 SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 25: ... 25 26 SIGNAL BOARD PD1420 BOTTOM FOIL SIDE ...

Страница 26: ... 27 28 CRT D BOARD PD0607 BOTTOM FOIL SIDE IF MONO BOARD PD1346 BOTTOM FOIL SIDE CONT BOARD PD1421 BOTTOM FOIL SIDE ...

Страница 27: ...69 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 E C B B C E B CE B CE E C B E C B B C E B C E ON4409 ...

Страница 28: ... 30 SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 29: ...arbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unless otherwise noted as the following marks Electrolytic capacitor Mylar capacitor 3 The parts indicated with have special characteristics an...

Страница 30: ...01 Q903 Q905 Q610 AV IN FRONT 1 AV IN REAR 2 R G B HYBRID CONVERTER TRANS B VOLTAGE C Y CHROMA VIDEO DEF VIDEO OUT V OUT H OUT F B T H V D Y V H CRT AUDIO OUT AV SW BUS CONTROL BLOCK V L MONITOR OUTPUT REAR V L V L CIRCUIT BLOCK DIAGRAM L R HEADPHONE JACK 5V1 QA10 MEMORY 12 V ...

Страница 31: ... CCIR 2 12 21 69 X Z 2 S1 S41 SECAM D K OIRT 1 12 21 69 X1 X19 NTSC M US 2 13 14 69 A 6 A 1 A W AA ZZ AAA BBB NTSC M JAPAN 1 12 13 62 M1 M10 S1 41 Special Color system NTSC4 43 RF signal Sound system 5 5 6 0 6 5 MHz Color system PAL SECAM NTSC 4 43 NTSC3 58 Sound output 2 5 W x 2 Terminals Input Video Audio monaural Monitor output Video Audio monaural Speaker 6 x 9cm 2 Accessories Remote control 1...

Страница 32: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

Страница 33: ...arbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unless otherwise noted as the following marks Electrolytic capacitor Mylar capacitor 3 The parts indicated with have special characteristics an...

Страница 34: ...01 Q903 Q905 Q610 AV IN FRONT 1 AV IN REAR 2 R G B HYBRID CONVERTER TRANS B VOLTAGE C Y CHROMA VIDEO DEF VIDEO OUT V OUT H OUT F B T H V D Y V H CRT AUDIO OUT AV SW BUS CONTROL BLOCK V L MONITOR OUTPUT REAR V L V L CIRCUIT BLOCK DIAGRAM L R HEADPHONE JACK 5V1 QA10 MEMORY 12 V ...

Страница 35: ... SHEET 1 9 21SZ2 SZ3 SZ5 TUNER ...

Страница 36: ......

Страница 37: ... SHEET 1 9 21SZ2 SZ3 SZ5 TUNER ...

Страница 38: ...21SZ2 SZ3 SZ5 AV SW SHEET 2 9 ...

Страница 39: ......

Страница 40: ...21SZ2 SZ3 SZ5 AV SW SHEET 2 9 ...

Страница 41: ...VERT 21SZ2 SZ3 SZ5 SHEET 3 9 ...

Страница 42: ......

Страница 43: ...VERT 21SZ2 SZ3 SZ5 SHEET 3 9 ...

Страница 44: ... SHEET 4 9 21SZ2 SZ3 SZ5 HDEF ...

Страница 45: ......

Страница 46: ... SHEET 4 9 21SZ2 SZ3 SZ5 HDEF ...

Страница 47: ... SHEET 5 9 21SZ2 SZ3 SZ5 VCD_ucom ...

Страница 48: ......

Страница 49: ... SHEET 5 9 21SZ2 SZ3 SZ5 VCD_ucom ...

Страница 50: ...A pro Audio Amp 21SZ2 SZ3 SZ5 SHEET 6 9 ...

Страница 51: ......

Страница 52: ...A pro Audio Amp 21SZ2 SZ3 SZ5 SHEET 6 9 ...

Страница 53: ...PROTECTOR 21SZ2 SZ3 SZ5 SHEET 7 9 ...

Страница 54: ......

Страница 55: ...PROTECTOR 21SZ2 SZ3 SZ5 SHEET 7 9 ...

Страница 56: ... SHEET 8 9 21SZ2 SZ3 SZ5 POWER ...

Страница 57: ......

Страница 58: ... SHEET 8 9 21SZ2 SZ3 SZ5 POWER ...

Страница 59: ...Low B Regu 21SZ2 SZ3 SZ5 SHEET 9 9 ...

Страница 60: ......

Страница 61: ...Low B Regu 21SZ2 SZ3 SZ5 SHEET 9 9 ...

Страница 62: ...21SZ5 21SZ7 21SZ2 21SZ3 FRONT AV ...

Страница 63: ......

Страница 64: ...21SZ5 21SZ7 21SZ2 21SZ3 FRONT AV ...

Страница 65: ...TO MAIN TO MAIN CRT D 21SZ2 SZ3 SZ5 0 0 9 1 6 1 6 2 3 150 2 3 1 6 150 150 2 3 1 6 110V p p 110V p p 100V p p ...

Страница 66: ...TO MAIN 0 0 9 1 6 1 6 2 3 150 2 3 1 6 150 150 2 3 1 6 110V p p 110V p p 100V p p ...

Страница 67: ...TO MAIN CRT D 21SZ2 SZ3 SZ5 0 1 6 ...

Страница 68: ...IF MONO 21SZ2 SZ3 ...

Страница 69: ......

Страница 70: ...IF MONO 21SZ2 SZ3 ...

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