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GENERAL ADJUSTMENTS

SPECIFIC INFORMATIONS

TABLE OF CONTENTS

CHAPTER 1

GENERAL ADJUSTMENTS

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

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

SERVICE MODE ......................................................................................................................................................

8

DESIGN MODE ......................................................................................................................................................

11

ELECTRICAL ADJUSTMENTS .............................................................................................................................. 1

2

CIRCUIT CHECK .................................................................................................................................................... 1

4

CHAPTER 2

SPECIFIC INFORMATIONS

SETTING & ADJUSTING DATA .............................................................................................................................. 1

5

LOCATION OF CONTROLS ................................................................................................................................... 1

6

CHASSIS AND CABINET REPLACEMENT PARTS LIST ...................................................................................... 1

8

PC BOARDS

TOP &

BOTTOM VIEW ..................................................................................................................... 2

5

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

33

CIRCUIT BLOCK DIAGRAM .................................................................................................................................. 3

6

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

APPENDIX:

CIRCUIT DIAGRAM

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Содержание 28Z33B

Страница 1: ...SERVICE MANUAL Colour television 28Z33B 32Z33B Z33 Chassis FILE NO 030 200314 Published in Japan Dec 2003 YC ...

Страница 2: ... 4 SERVICE MODE 8 DESIGN MODE 11 ELECTRICAL ADJUSTMENTS 12 CIRCUIT CHECK 14 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 15 LOCATION OF CONTROLS 16 CHASSIS AND CABINET REPLACEMENT PARTS LIST 18 PC BOARDS TOP BOTTOM VIEW 25 TERMINAL VIEW OF TRANSISTORS 33 CIRCUIT BLOCK DIAGRAM 36 SPECIFICATIONS END APPENDIX CIRCUIT DIAGRAM ...

Страница 3: ... 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 ha...

Страница 4: ... Put on after adjustment RUBBER WEDGE ADHESIVE DEFLECTION YOKE PURITY CONVERGENCE MAGNET ASS Y 20mm 28 32 25mm 25 19mm 19 20 21 14mm 13 14 Figure 1 COLOR PURITY ADJUSTMENT NOTE Before attempting any purity adjustments the re ceiver should be operated for at least fifteen minutes 1 Demagnetize the picture tube and cabinet using a de gaussing coil 2 Set the brightness and contrast to maximum 3 Use a...

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: ...lors will come to the center evenly 6 Receive the green raster shift the deflection yoke from a foremost position hitting against the picture tube to a backward position horizontally stop the deflection yoke at a position where it begins to become a green raster and perform accurate marking on the picture tube 7 Shift the deflection yoke further backward and perform accurate marking at a position ...

Страница 7: ...the correction piece between the picture tube and the deflection yoke Insertion position of correction piece Bonded surface blue green red Parts code 23 948 464 Transparent Bonded surface Adjust VR 1 and minimize the deviation of YH Only 27 and 30 Red green blue Red green blue Red green blue Red green blue Adjust VR 2 YHC and minimize the deviation of YH Red green blue Red green blue Red green blu...

Страница 8: ...TV or Remote Change of the 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 SCNT selection 4 button COLC selection 5 button TNTC selection 6 button Self dia...

Страница 9: ...llowing initialization is required 1 Enter the service mode then select any register 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 unles...

Страница 10: ...dicated 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...

Страница 11: ... 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 15 3 ADJUSTING THE DATA Pressing of VOLUME s or t button will change the value of data When QA02 is initialized items OPT0 OPT1 and OPT2 of DESIGN MODE are set to the data of the representative model of this chassis family Therefore because ON...

Страница 12: ... before 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 cross bar signal with VIDEO button on remote hand unit 2 Select eith...

Страница 13: ...on the remote control and rotate Screen VR to get one slight horizontal line 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 l...

Страница 14: ...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 15 4 Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any condition...

Страница 15: ...N SECAM SUB CONTRAST SECAM R Y BLACK LEVEL SECAM B Y BLACK LEVEL PAL R Y BLACK LEVEL Item Adjustment Reference data 40H 40H 40H 40H 40H 40H 40H 40H 00H 08H 08H 08H Item Adjustment Reference data VPOS HIT VLIN WID PARA CNR TRAP RAGC CSAW CPAR VSC V POSITION ALL HEIGHT WIDE V LINEARITY WIDE PICTURE WIDTH E W PARABOLA WIDE E W CORNER WIDE TRAPEZIUM WIDE RF AGC CENTER SAW CENT PARA V S CORRECTION 00H ...

Страница 16: ...TROLS AERIAL TERMINAL VIDEO 1 21PIN S VIDEO AV VIDEO 2 21PIN S VIDEO AV Front Rear terminals POSITION UP REMOTE SENSOR VIDEO 3 POWER INDICATOR RED POSITION DOWN VOLUME UP VOLUME DOWN HEAD PHONE MENU SPECIFIC INFORMATIONS ...

Страница 17: ...GE UP DOWN STEREO BILINGUAL STOP DISPLAY SIZE MUTE NOT USED FOR THIS MODEL FAST FORWARD DISPLAY TELETEXT DISPLAY CALL INDEX TELETEXT HOLD A WANTED PAGE REVEAL CONCEALED TEXT PREVIOUS PROGRAMME ON SCREEN MENU SELECT MENU VOLUME LEVEL UP DOWN WIDESCREEN STANDBY REWIND PLAY PICTURE MENU Remote Controller SPECIFIC INFORMATIONS ...

Страница 18: ...YTIC 16V 10UF M C129 24794100 ELECTROLYTIC 16V 10UF M C130 24109103 CERAMIC CHIP 50V B 0 01UF K C140 24109103 CERAMIC CHIP 50V B 0 01UF K C160 24567224 PLASTIC FILM 50V 0 22UF J C204 24797479 ELECTROLYTIC 50V 4 7UF M C205 24092538 CERAMIC CHIP 10V F 1UF Z C206 24794101 ELECTROLYTIC 16V 100UF M C214 24503047 PLASTIC FILM 63V 0 33UF J C221 24105100 CERAMIC CHIP 50V CH 10PF D C222 24105100 CERAMIC CH...

Страница 19: ...C 16V 100UF M C914 24212103 CERAMIC DISC 50V B 10000PF K C915 24092398 CERAMIC DISC 25V 0 1UF Z C930 24214101 CERAMIC DISC 500V B 100PF K C931 24214101 CERAMIC DISC 500V B 100PF K C4401 24109153 CERAMIC CHIP 50V B 0 015UF K C4402 24797229 ELECTROLYTIC 50V 2 2UF M C4403 24092730 CERAMIC CHIP 16V B 0 1UF K C4404 24794470 ELECTROLYTIC 16V 47UF M C4406 24092730 CERAMIC CHIP 16V B 0 1UF K C4412 2410947...

Страница 20: ... CARBON FILM 1 6W 10K OHM J R372 24366220 CARBON FILM 1 6W 22 OHM J R373 24366103 CARBON FILM 1 6W 10K OHM J R374 24011103 CHIP METAL FILM 1 20W 10K OHM J R375 24011223 CHIP METAL FILM 1 20W 22K OHM J R376 24011104 CHIP METAL FILM 1 20W 100K OHM J R377 24011563 CHIP METAL FILM 1 20W 56K OHM J R378 24011822 CHIP METAL FILM 1 20W 8 2K OHM J R379 24011103 CHIP METAL FILM 1 20W 10K OHM J R400 24946561...

Страница 21: ... METAL FILM 1 20W 10K OHM J RA06 24011102 CHIP METAL FILM 1 20W 1K OHM J RA07 24011103 CHIP METAL FILM 1 20W 10K OHM J RA08 24011472 CHIP METAL FILM 1 20W 4 7K OHM J RA09 24011103 CHIP METAL FILM 1 20W 10K OHM J RA10 24011103 CHIP METAL FILM 1 20W 10K OHM J RA11 24011103 CHIP METAL FILM 1 20W 10K OHM J RA12 24011102 CHIP METAL FILM 1 20W 1K OHM J RA13 24011102 CHIP METAL FILM 1 20W 1K OHM J RA14 2...

Страница 22: ... HOLIZ LINEARITY TLN2083AT L442 23248122 COIL CHOKE TLN3384D L461 23248238 COIL CHOKE TLN3335AF L501 23289844 COIL PEAKING TRF4470AT L502 23289844 COIL PEAKING TRF4470AT L801 23217634 TRANSFORMER CHOKE 65M0 9A TPW2055AS L811 23103145 FERRITE CHOKE TEM2011AA L883 23221747 COIL CHOKE TRF9253D L885 23248288 COIL CHOKE TLN3299GH L893 23280016 COIL PEAKING TRF4100AZ L894 23289840 COIL PEAKING TRF4100AT...

Страница 23: ...7297 DIODE ZENER DZ15 BS B D805 23357012 DIODE 1SS244 D806 23357366 DIODE FR105 B5 D807 23357325 DIODE ZV 30 32 31 88 DZ33 BS B D809 23357273 DIODE ZENER DZ6 8 BS B D810 23357309 DIODE ZENER DZ22 BS B D815 23357317 DIODE ZENER DZ27 BS B D817 23115599 DIODE 1N4148 D818 23357309 DIODE ZENER DZ22 BS B D842 23357296 DIODE ZV 13 48 14 09 DZ15 BS A D844 23357279 DIODE ZENER DZ8 2 BS B D848 23357270 DIOD...

Страница 24: ... 23192964 ANODE CAP ASSY TCC5606CT T461B 23509441 CABLE ASSY CABLE FOCUS T461C 23509442 CABLE ASSY CABLE FOCUS T461D 23509372 CABLE ASSY SCREEN V901A 23903145 SOCKET CRT WFOCUS ISD35SE INCHANG ISD 35S E W660 23351222 SPEAKER SPK1442AF ASSY SPK 1442AF ASSY X501 23153979 CRYSTAL 4 43MHZ PAL APC XA01 23153930 CRYSTAL Z101 23303295 FILTER FILTER VIDEO 38 9M K3958M Z102 23303237 FILTER FILTER FOR I NIC...

Страница 25: ...JP175 JP229 JP154 JP166 JP081 JP208 JP125 JP167 JP234 JP046 JP235 JP101 JP169 JP161 JP119 8 7 6 5 4 3 2 1 8 5 4 1 CA16 CA14 QA01A QA02 XA01 PA02A PA102 CA15 PA01A CA11 JP223 JP144 JP145 JP142 JP143 JP138 JP141 JP203 JP110 JP128 JP140 JP139 JP129 JP130 JP131 JP133 JP134 JP135 JP136 JP137 JP126 JP147 JP148 JP220 JP127 JP219 5 4 3 2 1 5 4 3 2 1 4 3 2 1 H001 LV06 CV23 RV23 PH02 QV09 C101 JP034 E JP222...

Страница 26: ...04 GR603 C502 AOR SEL GR630 GND SIF IN MONO IN 5V 2 Q101 L106 L102 10 H002 C123 RV43 L601 Q104 R110 QV03 GR602 R104 GR101 C637 C109 R106 C110 Q121 R117 GR103 L105 CC26 R114 R108 R102 C116 L103 C526 GR601 C4406 R141 R124 R125 R116 Q102 C103 C112 R120 CC09 C120 C106 R109 R151 R113 R122 R112 C104 R118 C121 C114 Q107 C140 C113 C111 GR104 L602 C107 GJ33 R128 C108 Z102 R107 R129 GR105 G101 C638 R130 L11...

Страница 27: ...28 B 1 2 3 4 5 6 7 8 C B E E GJ04 C909 R992 P903B E B E B L905 R903 L911 Q904 D903 R969 Q902 R943 D904 D905 R919 D908 R963 C930 R920 C905 E Q901 GJ90 D910 R904 JP023 C906 R922 R925 GJ07 R960 L903 R970 GJ98 D911 R912 D907 R935 R902 R924 C931 G910 R901 GJ05 R980 L906 R921 GJ03 L907 R971 R905 P906 L902 R950 Q903 V901A R942 P900 GJ06 C902 C B JP021 JP020 1 2 3 4 5 6 B C E JP032 JP018 JP027 23547335 P6...

Страница 28: ... 31 32 THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 29: ...SC1569 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 BCE B C E E C B ON4409 B CE E C B B C E ...

Страница 30: ... 34 THIS PAGE IS INTENTIONALLY LEFT BLANK SPECIFIC INFORMATIONS ...

Страница 31: ...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 µF and the values more than 1 in pF All capacitors are ceramic 50V unless otherwise noted as the following marks Electolytic capacito Mylar capacitor 3 The parts indicated with have special characteristics...

Страница 32: ...ULL 21PIN 3 FRONT MEMORY µ CON I 2 C BUS HYBRID CONVERTER TRANS B VOLTAGE PIF SIF SIF RGB IF Y C Y C CHROMA IF VIDEO DEF Q501 VIDEO OUT V OUT H OUT F B T H V D Y V H CRT Q301 Q404 Q901 Q903 Q905 1 2 I 2 C BUS CONTROL V L HEAD PHONE Q610 AUDIO OUT L R T862 T461 V901 SAW FILTER SAW FILTER SPECIFIC INFORMATIONS ...

Страница 33: ...Nicam 2 carrier system Visible Screen Size approx 28ins 66cm 32ins 76cm Display 16 9 Sound output at 10 distortion Main 5W 5W Power consumption 28ins 95W as specified in EN60107 1 1997 32ins 100W Standby 28ins 2 3W 32ins 2 3W Dimensions approx 28ins Height 55cm Width 84cm Depth 50cm 32ins Height 60cm Width 91cm Depth 55cm Weight approx 28ins 40kg 32ins 55kg Headphone socket 3 5mm stereo SPECIFICAT...

Страница 34: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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