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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 .................................................................................................................................................... 17

CHAPTER 2

SPECIFIC INFORMATIONS

SETTING & ADJUSTING DATA ............................................................................................................................. 18

LOCATION OF CONTROLS ................................................................................................................................... 19

CIRCUIT BLOCK DIAGRAM .................................................................................................................................. 21

CHASSIS AND CABINET REPLACEMENT PARTS LIST ...................................................................................... 22

PC BOARDS BOTTOM VIEW ................................................................................................................................. 35

TERMINAL VIEW OF TRANSISTORS ................................................................................................................... 45

SPECIFICATIONS .................................................................................................................................................. 47

APPENDIX:

CIRCUIT DIAGRAM

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Summary of Contents for 32Z17B

Page 1: ...PRINTED IN JAPAN Mar 2001 F FILE NO 030 200102 SERVICE MANUAL COLOUR TELEVISION C00S Chassis 32Z17B ...

Page 2: ...ENT 4 SERVICE MODE 6 DESIGN MODE 9 ELECTRICAL ADJUSTMENTS 10 CIRCUIT CHECK 17 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 18 LOCATION OF CONTROLS 19 CIRCUIT BLOCK DIAGRAM 21 CHASSIS AND CABINET REPLACEMENT PARTS LIST 22 PC BOARDS BOTTOM VIEW 35 TERMINAL VIEW OF TRANSISTORS 45 SPECIFICATIONS 47 APPENDIX CIRCUIT DIAGRAM ...

Page 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...

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: ...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 CNTX or SCNT selection 4 button COLC selection 5 button TNTC selection 6 button Self d...

Page 7: ...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...

Page 8: ...3 Indicated 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 ...

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 18 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: ...ns See page 18 4 Press button 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 color...

Page 12: ... apply Y mute during adjustment 쩸 Enter Horizontal Straight line Mode 쩹 Gradually increase the screen VR until R G or B line starts to light up slightly 쩺 Determine the screen VR adjustment po sition here 쩻 Gradually increase remaining two screen VRs except the line that lit up as men tioned in item 쩹 above until respective line starts to light up slightly Adjust until the screen becomes almost wh...

Page 13: ... bar TP01 TP02 TP46B 쩸 Vary SBY so that the level of mono chrome signal part aligns with that of BLK 쩸 Vary SRY so that the level of mono chrome signal part aligns with that of BLK 쩸 Adjust the amplitude of B Y Be sure to apply Y mute during adjust ment 0 10 mV 0 10 mV 1 6 0 1 Vo p Pedestal to Peak Items Names Settings Input signals Measuring points Adjusting methods Adjusting standards User contr...

Page 14: ...Pattern so that the vertical screen position will come to the center see the right sketch PAL Phillips Pattern User adjustment standard Adjust the vertical amplitude by HIT so that the top and bottom of the circle will touch the CPT mask with Philips Pattern see the right sketch Phillips Pattern User adjustment standard Adjust the vertical amplitude by HIT so that the points shown in the right bot...

Page 15: ...ditions PAL Retoma signal WIDE mode User adjustment standard Adjustment Set it at the position where the screen center becomes optimum focus and most counterclockwise using the focus volume F2 of the fly back transformer T461 Conditions PAL WG Phillips Pattern WIDE mode User adjustment standard Adjustment Use VPS1 and make adjustments so that the upper and lower positions will touch the mask Adjus...

Page 16: ...e the grade of side panel at the mode of 4 3 and reconfirm Note In case distortion adjustment is insufficient by the PARA TRAP adjustments make adjustments by using the data of CNR CPAR and CSAW Decrease CPAR in case of the distortion shown in Fig a On the contrary increase CPAR in case of the distortion shown in Fig b Decrease CSAW in case of the distortion shown in Fig c On the contrary increase...

Page 17: ...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 18 4 Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any condition...

Page 18: ...THE SERVICE MODE Table 2 RCUT GCUT BCUT GDRV BDRV BRTC TNTC COLP COLS SCNT SRY SBY R CUTOFF B W G CUTOFF B W B CUTOFF B W R DRIVE B DRIVE SUB BRIGHT CEN SUB TINT CEN SUB COLOR CEN PAL SUB COLOR CEN SECAM SUB CONTRAST SECAM R Y SECAM B Y Item Adjustment Reference data 40H 40H 40H 35H 35H 80H 20H 44H 44H 08H 07H 01H Item Adjustment Reference data HPOS VPOS HIT VLIN VSC VPS2 WID PARA CNR TRAP VFC H P...

Page 19: ...NDICATOR POWER INDICATOR MAIN SWITCH EXIT AERIAL TERMINAL VIDEO 1 21PINS FULL VIDEO 2 21PINS S VIDEO AV VIDEO 3 21PINS S VIDEO AV EXTERNAL SPEAKER TERMINAL AUDIO OUT FIXED EXTERNAL SPEAKER SWITCH Front Rear terminals STEREO INDICATOR BILINGUAL INDICATOR L R AUDIO FIXED AUDIO VIDEO AUDIO VIDEO DVD COMP 3 Y S VIDEO S VIDEO CB CR 3S 3S 2 1 MAIN 8Ω WOOFER SURROUND 8Ω EXT INT EXT INT L L R R WOOFER SWI...

Page 20: ...l Buttons MENU Buttons Video Recoder DVD Buttons to operate your Toshiba Video Recorder DVD Buttons Power ON OFF CALL Teletext Programme Position up down VIDEO F Picture Controls Menu Control Buttons ENTER EXIT Stereo Bilingual Sound Mute Volume 1 2 3 4 5 6 7 8 9 0 P P F CALL TEXT SIZE TV ENTER MENU EXIT VTR DVD VTR DVD P ...

Page 21: ...C BUS HYBRID CONVERTER TRANS B VOLTAGE RGB DIGI COMB MCD QZ01 Q501 QT01 Y C V Y C Y RGB C CHROMA VIDEO DEF Q501 Q302 VIDEO OUT VM V OUT H OUT EW F B T H V D Y V H CRT Q301 Q711 Q712 Q404 DPC Q901 Q903 Q905 1 2 21PIN S AV 3 I 2 C BUS CONTROL S V L R S V L R S HEAD PHONE EXT INT SPK SW Q670 AUDIO OUT Q640 CENTER SURR SURROUND R SURROUND L EXT SPK L R CENTRE EXT SPK WOOFER TERM QR01 SUB µ CON ...

Page 22: ...F 10 500V C416 24678010 EL 1 F 20 200V C417 24214391 CD 390pF 10 500V C420 24794101 EL 100 F 20 16V C423 24829433 PF 0 043 F 400V C430 24232103 CD 0 01 F 80 20 C430 24820472 PF 0 0047 F 630V C431 24232103 CD 0 01 F 80 20 C431 24763102 EL 1000 F 20 16V C440 24082490 PF 8700pF 3 1500V C442 24082670 PF 0 36 F 250V C444 24082517 PF 0 0051 F 1800V C445 24828473 PF 0 047 F 200V C446 24679330 EL 33 F 20 ...

Page 23: ...0 20 C639 24590103 PF 0 01 F C640 24797220 EL 22 F 20 50V C641 24206100 EL 10 F 20 50V C641 24669010 EL 1 F 20 50V C642 24206478 EL 0 47 F 20 50V C643 24781102 Chip 1000pF SL C644 24797010 EL 1 F 20 50V C645 24795470 EL 47 F 20 25V C647 24591102 PF 1000pF C648 24591681 PF 680pF C649 24797229 EL 2 2 F 20 50V C650 24668102 EL 1000 F 20 35V C651 24668471 EL 470 F 20 35V C652 24668471 EL 470 F 20 35V ...

Page 24: ...CD 0 01 F 80 20 CA44 24232103 CD 0 01 F 80 20 CA68 24794100 EL 10 F 20 16V CA69 24232103 CD 0 01 F 80 20 CB01 24794470 EL 47 F 20 16V CB02 24567104 PF 0 1 F CB30 24794100 EL 10 F 20 16V CB31 24232103 CD 0 01 F 80 20 CB32 24567474 PF 0 47 F CB33 24212472 CD 4700pF 10 CB37 24436150 CD 15pF CB40 24232103 CD 0 01 F 80 20 CB45 24232103 CD 0 01 F 80 20 CB46 24794100 EL 10 F 20 16V CB90 24232103 CD 0 01 ...

Page 25: ...00pF SL CZ33 24781270 Chip 27pF SL CZ34 24781101 Chip 100pF SL CZ35 24781270 Chip 27pF SL CZ37 24814103 Chip 0 01 F 80 20 CZ45 24781100 Chip 10pF 0 5pF SL RESISTORS RESISTORS RESISTORS RESISTORS RESISTORS R101 24366101 CF 100 ohm R101 24553223 OMF 22k ohm 1W R102 24366103 CF 10k ohm R204 24366104 CF 100k ohm R205 24366101 CF 100 ohm R206 24366471 CF 470 ohm R208 24366103 CF 10k ohm R209 24366103 C...

Page 26: ... CF 100 ohm R502 24366101 CF 100 ohm R503 24366101 CF 100 ohm R504 24872101 Chip 100 ohm 1 16W R505 24872101 Chip 100 ohm 1 16W R506 24872273 Chip 27k ohm 1 16W R507 24872392 Chip 3900 ohm 1 16W R512 24872102 Chip 1k ohm 1 16W R513 24366472 CF 4700 ohm R513 24872102 Chip 1k ohm 1 16W R514 24366392 CF 3900 ohm R514 24872102 Chip 1k ohm 1 16W R515 24872102 Chip 1k ohm 1 16W R516 24872102 Chip 1k ohm...

Page 27: ...2W R843 24366331 CF 330 ohm R846 24366101 CF 100 ohm R847 24366472 CF 4700 ohm R849 24366471 CF 470 ohm R850 24366103 CF 10k ohm R851 24366102 CF 1k ohm R852 24366225 CF 2 2M ohm R865 24366332 CF 3300 ohm R868 24366472 CF 4700 ohm R899 24005015 Metal Glazed Resistor 8 2M ohm 1W R901 24376561 CF 560 ohm 1 2W R902 24376561 CF 560 ohm 1 2W R903 24376561 CF 560 ohm 1 2W R904 24366472 CF 4700 ohm R905 ...

Page 28: ... 24366271 CF 270 ohm RB04 24366223 CF 22k ohm RB05 24366223 CF 22k ohm RB07 24366271 CF 270 ohm RB08 24366271 CF 270 ohm RB09 24366470 CF 47 ohm RB10 24366101 CF 100 ohm RB11 24366103 CF 10k ohm RB30 24366103 CF 10k ohm RB30 24366105 CF 1M ohm RB31 24366102 CF 1k ohm RB32 24366332 CF 3300 ohm RB33 24366332 CF 3300 ohm RB35 24366102 CF 1k ohm RB36 24366102 CF 1k ohm RB37 24366221 CF 220 ohm RB38 24...

Page 29: ...700 ohm RT31 24366472 CF 4700 ohm RT38 24366151 CF 150 ohm RT40 24366151 CF 150 ohm RT43 24366151 CF 150 ohm RV05 24872101 Chip 100 ohm 1 16W RV06 24872152 Chip 1500 ohm 1 16W RV07 24872103 Chip 10k ohm 1 16W RV08 24872103 Chip 10k ohm 1 16W RV09 24872101 Chip 100 ohm 1 16W RV10 24872101 Chip 100 ohm 1 16W RV12 24872681 Chip 680 ohm 1 16W RV13 24872681 Chip 680 ohm 1 16W RV22 24366222 CF 2200 ohm ...

Page 30: ...026 L896 23103859 Coil Ferrite Bead TEM2011 L897 23280016 Coil Peaking TRF4100AZ L901 23200439 Coil Degaussing TSB 2405AT L902 23289846 Coil Peaking TRF4101AT L903 23289846 Coil Peaking TRF4101AT L904 23289846 Coil Peaking TRF4101AT L905 23289390 Coil Peaking TRF4390AF L906 23289390 Coil Peaking TRF4390AF L907 23289390 Coil Peaking TRF4390AF L908 23289840 Coil Peaking TRF4100AT L910 23289479 Coil ...

Page 31: ...040 Transistor 2SA1015 Y Q711 A6550640 Transistor 2SA1837 Q711B 70391355 Screw BITTB3X8 SZN Q712 A6369650 Transistor 2SC4793 Q712B 70391355 Screw BITTB3X8 SZN Q719 A6317440 Transistor 2SC1815 Y Q801 23135008 IC STR F6668B Q801B 72471082 Screw BRDT2W3X10 SZN Q802 23314141 Transistor 2SC3852 Q802B 70391355 Screw BITTB3X8 SZN Q805 A6317440 Transistor 2SC1815 Y Q826 A8643108 Photo Coupler TLP621 GR LF...

Page 32: ... D474 23316719 Diode Zener MTZJ12B D488 23115599 Diode 1N4148 D490 23115599 Diode 1N4148 D492 23115599 Diode 1N4148 D498 23316745 Diode Zener MTZJ27A D499 23115599 Diode 1N4148 D501 23115599 Diode 1N4148 D507 23357037 Diode Zener UDZSTE175 6B D508 23357037 Diode Zener UDZSTE175 6B D509 23357037 Diode Zener UDZSTE175 6B D511 23357037 Diode Zener UDZSTE175 6B D512 23357037 Diode Zener UDZSTE175 6B D...

Page 33: ...Coil Peaking TRF4101AT GJ11 24000824 Chip Jumper 2125Type GJ12 24000824 Chip Jumper 2125Type GJ12 24000824 Chip Jumper 2125Type GJ13 24000824 Chip Jumper 2125Type GJ13 24000824 Chip Jumper 2125Type GJ14 24000824 Chip Jumper 2125Type GJ14 24000824 Chip Jumper 2125Type GJ15 24000824 Chip Jumper 2125Type GJ16 24000824 Chip Jumper 2125Type GJ17 24000824 Chip Jumper 2125Type GJ22 24000824 Chip Jumper 2...

Page 34: ...3785138 BACK T Board PB9509C 1 U103 23785139 D COMB MCD Board PB9510B U104 23785140 TEXT Board PB9592A U906A 23785146 CONT 1 Board PB9518C 1 U906B 23785147 CONT 2 Board PB9518C 2 PICTURE TUBE PICTURE TUBE PICTURE TUBE PICTURE TUBE PICTURE TUBE V901 23312919 Picture Tube W76ERF041X013 TUNER TUNER TUNER TUNER TUNER H001 23321345 Tuner UF822BLW ACCESSORIES ACCESSORIES ACCESSORIES ACCESSORIES ACCESSOR...

Page 35: ... 35 36 SIGNAL BOARD PB9514J 1 BOTTOM FOIL SIDE BLANKING BOARD PB9514J 2 BOTTOM FOIL SIDE ...

Page 36: ... 37 38 POWER BOARD PB9515K BOTTOM FOIL SIDE ...

Page 37: ... 39 40 DEF BOARD PD0037 BOTTOM FOIL SIDE ...

Page 38: ... 41 42 CONT 1 PRO BOARD PB9518C 1 BOTTOM FOIL SIDE BACK T AV BOARD PB9509C 1 BOTTOM FOIL SIDE CONT 2 PRO BOARD PB9518C 2 BOTTOM FOIL SIDE DIGITAL IN BOARD PB9509C 2 BOTTOM FOIL SIDE ...

Page 39: ... 43 CRT DRIVE DSM BOARD PB9513E BOTTOM FOIL SIDE ...

Page 40: ... 43 CRT DRIVE DSM BOARD PB9513E BOTTOM FOIL SIDE ...

Page 41: ... 44 D COMB BOARD PB9510B BOTTOM FOIL SIDE TEXT BOARD PB9592A BOTTOM FOIL SIDE ...

Page 42: ...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 ...

Page 43: ... 46 SPECIFIC INFORMATIONS MEMO ...

Page 44: ...Intermediate Frequencies Picture I F carrier frequency 38 9 MHz L VL Sound I F carrier frequency 32 9 MHz Picture Tube 32 inches 760 mm measured on diagonal of viewable picture area 106 deflection Sound Output 10 W 10 W at 10 Distortion Main 10 W at 10 Distortion Center 5 W 5 W at 10 Distortion Surround Speakers 60 mm x 120 mm oval 2 pcs Main 60 mm x 120 mm oval 1 pc Center Aux Terminals 21 pin so...

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