Toshiba 21JZ3E Service Manual Download | Manualshive

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SERVICE MANUAL

Color Television

21JZ3E

21JZ3ES

21JZ5E

21JZ5ES

21JZ5MJ

21JZ5T

FILE NO. 060-200444

Aug. 2004 (YC/X)

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Summary of Contents for 21JZ3E

Page 1: ...SERVICE MANUAL Color Television 21JZ3E 21JZ3ES 21JZ5E 21JZ5ES 21JZ5MJ 21JZ5T FILE NO 060 200444 Aug 2004 YC X ...

Page 2: ...DE 9 ELECTRICAL ADJUSTMENTS 10 CIRCUIT CHECK 12 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 13 LOCATION OF CONTROLS 14 CHANNEL PRESET 15 CHASSIS AND CABINET REPLACEMENT PARTS LIST 17 PC BOARDS BOTTOM VIEW 25 TERMINAL VIEW OF TRANSISTORS 28 CIRCUIT BLOCK DIAGRAM 30 SPECIFICATIONS END 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: ...circuit parts may possibly be damaged BUS LINE CHECK OK is normal SDA1 GND SDA GND short circuit SCL1 GND SCL GND short circuit SCL1 SDA1 SCL SDA short circuit BUS CONT OK is normal When indication shows Q uuu NG the device with the number may possibly be damaged BLOCK UV TV reception mode V1 VIDEO 1 input mode a1 V2 VIDEO 2 input mode a2 Indicated color of mode now selected Green and Red Indicate...

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 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...

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: ...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...

Page 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...

Page 13: ... data RCUT GCUT BCUT GDRV BDRV BRTC COLC TNTC COLP COLS SCNT HPOS VPOS HIT VLIN SRY SBY RAGC R CUT OFF G CUT OFF B CUT OFF G DRIVE B DRIVE BRIGHTNESS CENTER COLOR CENTER NTSC TINT CENTER COLOR CENTER PAL difference from COLC COLOR CENTER SECAM SUB CONTRAST HORIZONTAL POSITION VERTICAL POSITION 50Hz HEIGHT 50Hz VERT LINEARITY 50Hz SECAM R Y BLACK ADJUST SECAM B Y BLACK ADJUST RF AGC 20H 20H 20H 40H...

Page 14: ...one jack Audio input terminals Video input terminal a q b c q d MENU e a f g tcs h L i AUDIO L R j 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 select On screen on off Game select Red Green Yellow Blue Note The shaded buttons are not available for your TV If you press the button M...

Page 15: ... abbreviation of the broadcast station frequency in each country Channel 5 Channel 8 Arts Central Channel U etc Position The number on your TV given to stored channels 0 199 It is displayed on the upper right of the screen 2 Press MENU and to call up the TUNING menu D8 Press CH s t and select SEARCH Press to search Pressing searches for channels at lower frequencies while pressing searches for cha...

Page 16: ...he manual fine tuning MFT 1 Press MENU and to call up the TUNING menu D8 2 Press CH s t and select MFT Press to start fine tuning Pressing fine tunes to a lower frequency while pressing fine tunes to a higher frequency Auto fine tuning AFT If the signal frequency is unstable due to environmental conditions use auto fine tuning 1 Press MENU and to call up the TUNING menu D8 2 Press CH s t and selec...

Page 17: ...0 01UF Z C141 24105101 CERAMIC CHIP 50V CH 100PF J C150 1 24814103 CERAMIC CHIP 50V F 0 01UF Z 2 24814103 CERAMIC CHIP 50V F 0 01UF Z 3 24814103 CERAMIC CHIP 50V F 0 01UF Z 4 24814103 CERAMIC CHIP 50V F 0 01UF Z 5 24814103 CERAMIC CHIP 50V F 0 01UF Z C166 24109103 CERAMIC CHIP 50V B 0 01UF K C167 24763101 ELECTROLYTIC 16V 100UF M C170 24109103 CERAMIC CHIP 50V B 0 01UF K C171 1 24203100 ELECTORLYT...

Page 18: ...500V B 560PF K C884 24640018 ELECTROLYTIC 160V 220UF C885 24214471 CERAMIC DISC 500V B 470PF K C889 24764102 ELECTROLYTIC 04G 25V 1000UF M C893 24092338 CERAMIC DISC 2KV R 270PF K C897 24092553 CERAMIC DISC AC250V B 470PF K C898 24214101 CERAMIC DISC 500V B 100PF K C899 24503049 PLASTIC FILM 63V 0 47UF J C902 24092347 CERAMIC DISC 2KV R 1500PF K C904 24436561 CERAMIC DISC 50V SL 560PF J C905 24436...

Page 19: ...K OHM J R146 24011224 CHIP METAL FILM 1 20W 220K OHM J R147 24011152 CHIP METAL FILM 1 20W 1 5K OHM J R148 24011222 CHIP METAL FILM 1 20W 2 2K OHM J R150 24000445 CHIP JUMPER 1608TYPE R156 24553153 OXIDE METAL FILM 1W 15K OHM J R158 24011122 CHIP METAL FILM 1 20W 1 2K OHM J R166 24011103 CHIP METAL FILM 1 20W 10K OHM J R167 24011103 CHIP METAL FILM 1 20W 10K OHM J R168 24011473 CHIP METAL FILM 1 2...

Page 20: ...OHM J R932 24366102 CARBON FILM 1 6W 1K OHM J R934 24366561 CARBON FILM 1 6W 560 OHM J R935 24366392 CARBON FILM 1 6W 3 9K OHM J R936 24552820 OXIDE METAL FILM 1 2W 82 OHM J R937 24366821 CARBON FILM 1 6W 820 OHM J R942 24366562 CARBON FILM 1 6W 5 6K OHM J R943 24366562 CARBON FILM 1 6W 5 6K OHM J R944 24366562 CARBON FILM 1 6W 5 6K OHM J R945 24366181 CARBON FILM 1 6W 180 OHM J R946 24366181 CARB...

Page 21: ... CHIP JUMPER 1608TYPE JR155 24000445 CHIP JUMPER 1608TYPE COILS TRANSFORMERS L101 23289929 COIL PEAKING COIL 82MMH TRF4820AU L102 1 23238562 COIL PEAKING TRF4109AJ 3 23238562 COIL PEAKING TRF4109AJ L103 1 23238503 COIL PEAKING TRF4129AJ 2 23238558 COIL PEAKING TRF4R47AJ 3 23238503 COIL PEAKING TRF4129AJ 4 23238558 COIL PEAKING TRF4R47AJ 5 23238558 COIL PEAKING TRF4R47AJ 6 23238558 COIL PEAKING TRF...

Page 22: ...RANSISTOR NPN VEBO 25V KTC2875B RTK 5 23205204 TRANSISTOR NPN VEBO 25V KTC2875B RTK 6 23205204 TRANSISTOR NPN VEBO 25V KTC2875B RTK QV10 23205081 TRANSISTOR 2SA1980 Y QV13 23000359 IC MM1111XF QV14 3 23000359 IC MM1111XF 4 23000359 IC MM1111XF 5 23000359 IC MM1111XF 6 23000359 IC MM1111XF D101 23316411 DIODE ZENER HZT33 12 D150 1 23357447 DIODE SWITCH SILICON KDS160 RTK USC 2 23357447 DIODE SWITCH...

Page 23: ...113 Z104 6 23303268 FILTER TCF1135AM Z106 6 23107856 COIL FILTER TCF1030 Z130 1 23303230 FILTER 38MHZ MULTI F816KPL 2 23303230 FILTER 38MHZ MULTI F816KPL 3 23303230 FILTER 38MHZ MULTI F816KPL 4 23303230 FILTER 38MHZ MULTI F816KPL 5 23303230 FILTER 38MHZ MULTI F816KPL 6 23303176 SAW FILTER 38MHZ PIF SIF INTER OFWK2964M ZC01 1 23303166 CERAMIC TRAP 39 5MHZ TCF1107 3 23303166 CERAMIC TRAP 39 5MHZ TCF...

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

Page 25: ...60 T800mA L 250V JR155 C473 D471 G889 RA57 R630 C831 R822 Q470 CA55 LZ02 R803 D470 CA53 R819 GJ22 G811 R471 RA42 RA54 C830 L661 R811 Q612 Q811 Q613 RA55 R808 D622 C813 CA54 C616 GJ20 RA41 C814 L887 C672 R475 R478 Q471 Q819 R490 R831 C832 R477 GJ30 G812 P601 R825 P910 R480 R476 C606 D803 D802 VIDEO SA05 R662 CA01 RA79 SA04 CS07 CS16 SA06 GJ19 RA78 C671 P661 RS09 R663 GR06 C674 GR03 C673 PV02 CS10 L...

Page 26: ...R962 D909 C E B B E E B E B C931 R992 Q906 R929 R930 C907 R937 D906 R904 R936 R905 R928 Q907 Q908 D903 D901 R909 R934 R935 R932 C909 L900 C912 D910 C915 C911 R977 R944 L904 D911 R965 C910 R945 C913 C908 R926 R920 27 28 TERMINAL VIEW OF TRANSISTORS 2SD2253 old 2SC5243 2SC3852 2SD1763A 2SC1569 2SC4544 2SA1788 2SA1306 2SA1186A 2SC752GTM 2SC2482 2SC2655 2SC4721P 2SC752 2SA562TM 2SA1015 2SC1815 2SC2878...

Page 27: ...ise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon 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 Electolytic capacito...

Page 28: ...5V 1 REGULATOR RESET 32V QA02 Q801 D801 Q862 POWER MUTE Q404 Q301 Q901 Q903 Q905 P661 V901 Q610 AV IN PV01 PV02 FRONT AV IN BACK HYBRID CONVERTER TRANS B VOLTAGE VIDEO OUT V OUT H OUT F B T H V D Y V H CRT AUDIO OUT W661 W662 HEADPHONE JACK BUS CONTROL BLOCK V A MONITOR OUTPUT V A V A MEMORY AV SW QV13 ...

Page 29: ...HINA 1 12 13 57 Z 1 Z 38 SECAM B G 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 M 1 M 10 S1 41 Special Color system Sound system RF signal NTSC4 43 5 5 6 0 6 5 MHz PAL 60Hz 5 5 6 0 6 5 MHz Color system PAL SECAM NTSC4 43 NTSC3 58 Sound output 2 5 W x 2 Terminals Input Video Audio monaural Monitor output Video A...

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