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Toshiba 43H72, Service Manual

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Toshiba 43H72 Service Manual Download Page 4

– 4 –

GENERAL ADJUSTMENTS

SPECIFIC INFORMATIONS

4 Screws

CRT Anode Cap Assembly

S.V.M. Coil

CRT DRIVE Board

Lens Assembly

CRT Assembly

Deflection Yoke and Conver Yoke

CRT Mounting

4 Screws

CRT ASSEMBLY REPLACEMENT AND MOUNTING

CAUTION : DO NOT LOOSEN THE HEX HEAD BOLTS WITH SPRINGS (12 PCS), BECAUSE THOSE ARE FOR

SEALING OF CRT COOLANT.

Lens and Neck Components View

Attention Serviceman

The Hex Head
Bolts with
Springs. (see
sketch) used on
CRT assembly,
are “NOT” 

Adjustment Screws
DO NOT LOOSEN-FLUID
LEAKAGE WILL OCCUR.

8 o’clock

4 o’clock

R

G

B

Summary of Contents for 43H72

Page 1: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN FILE NO 020 200203 SERVICE MANUAL PUBLISHED IN JAPAN Apr 2002 So COLOR TELEVISION N2PSP Chassis 43H72 50H72 TAC0262 TAC0261 ...

Page 2: ... 8 SERVICE MODE 9 ELECTRICAL ADJUSTMENT 11 CONVERGENCE ADJUSTMENT 13 SCREEN AND MIRROR ALIGNMENTS 16 CIRCUIT CHECKS 17 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 18 LOCATION OF CONTROLS 19 PROGRAMMING CHANNEL MEMORY 21 MECHANICAL DISASSEMBLY 22 CHASSIS REPLACEMENT PARTS LIST 27 PC BOARDS BOTTOM VIEW 49 TERMINAL VIEW OF TRANSISTORS 61 CIRCUIT BLOCK DIAGRAM 63 SPECIFICATIONS END APPENDIX...

Page 3: ...ture tube away from the unprotected body while handling 3 When replacing a chassis in the cabinet always be cer tain that all the protective devices are put back in place such as non metallic control knobs insulating covers shields isolation resistor capacitor network etc 4 Before returning the set to the customer always perform an AC leakage current check on the exposed metallic parts of the cabi...

Page 4: ... Mounting 4 Screws CRT ASSEMBLY REPLACEMENT AND MOUNTING CAUTION DO NOT LOOSEN THE HEX HEAD BOLTS WITH SPRINGS 12 PCS BECAUSE THOSE ARE FOR SEALING OF CRT COOLANT Lens and Neck Components View Attention Serviceman The Hex Head Bolts with Springs see sketch used on CRT assembly are NOT Adjustment Screws DO NOT LOOSEN FLUID LEAKAGE WILL OCCUR 8 o clock 4 o clock R G B ...

Page 5: ...ILT ADJUSTMENT page 6 3 USER CONVERGENCE CENTER CHECK See owner s manual 4 CENTERING ADJUSTMENT page 6 5 CONVERGENCE ADJUSTMENT page 13 6 WHITE BALANCE ADJUSTMENT page 12 Adjustments are complete SERVICING PRECAUTIONS Check the point of anode lead in a straight line if it is winding please revise it Anode lead holder Do not use a magnetized screw driver for screws of Deflection Yoke and Velocity M...

Page 6: ...Red color 100 button to erase Red color 0 button to erase Green color CH RTN button to erase Blue color 5 Loosen the fasten screw and adjust Red lense focus to best focusing point of picture center Then fasten the screw See Fig a Fig a 6 Adjust FOCUS VR R of FOCUS PACK to find best fo cusing point of picture center 7 Repeat steps 3 to 5 for Green and Blue colors TILT ADJUSTMENT Rotate R G B deflec...

Page 7: ... 7 GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS LOCATION OF SCREEN AND FOCUS VR S SCREEN VR FOCUS VR R G B ...

Page 8: ... TPA5007 Fig a 1 When replacing Anode Lead or Anode Cap with new one remove Lead Holder from old lead as shown in figure below and put it on new lead Do not throw away Lead Holder NOTE THE LEAD HOLDER IS ATTACHEDTOTPA5007 Z450 BUT IS NOT ATTACHED TO ANODE LEAD AND ANODE CAP RUBBER BOOT IS AT TACHED TO ANODE LEAD AND ANODE CAP 2 Detaching Lead Holder Fig b RUBBER BOOT OLD ANODE LEAD or ANODE CAP LO...

Page 9: ...play of adjustment menu provides special functions Screen adjustment mode ON OFF TV ANT VIDEO button on TV Selection of the adjustment items Channel s t on TV or Remote Change of the data value Volume s t on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 RECALL Channel button on TV s Initialization of the self diagnostic data RECALL Channel button on T...

Page 10: ... the PIP ID code for TV Set Version of EEP Data for OPT 4 SELECTING THE ADJUSTING ITEMS 1 Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table 2 t button for reverse order Refer to table 2 for preset data of adjustment mode See SETTING ADJUSTING DATA on page 18 5 ADJUSTING THE DATA 1 Pressing of VOLUME s or t button will change the value of data...

Page 11: ...ck 4 Press the VOLUME s button to advance the data by 8 steps NOTE Check the horizontal picture position is correct Vertical retrace line 0 Blue Magenta 2 3 1 8V0 P 1 Receive color bar signal from color bar generator 2 Adjust the BRIGHTNESS and CONTRAST to the center RESET status 3 Connect oscilloscope to TP501on the MAIN board 4 Enter the service mode then select SCOL 5 Adjust the data value to a...

Page 12: ...ess RESET button on TV or remote hand set 2 Call up the adjustment mode display then adjust the data of items RCUT GCUT and BCUT to 80 3 Press TV ANT VIDEO button on TV 4 Gradually rotate R G and B SCREEN volume of FOCUS PAC page 8 clock wise or counterclockwise until the raster appears slightly on the CRT through the each lens and leave them Look into the lens in order to check the raster 5 Press...

Page 13: ...ton and then push ENTER button according to following message Convergence become adjusted state at factory by this action If there is no need pass this process Never to use this function to new convergence board because BACKUP DATA is not exist 4 Adjustment around cursor can be done The pattern includes three colors R G B The cursor should be blinking in Red This means that the Red color is adjust...

Page 14: ... after adjustment On one vertical side the ellipse encircling a tiger mark should contact the upper limit of screen and the 12th line should be visible at the screen bottom 433 2 43H 50H 317 6 368 8 238 2 276 6 119 1 138 3 0 0 119 1 138 3 238 2 276 6 317 6 368 8 Vspan Vspan 39 7 46 1 center 0 43H 433 2 362 0 217 2 72 4 0 72 4 217 2 362 0 433 2 72 4 only left right edges 50H 486 0 405 0 243 0 81 0 ...

Page 15: ...djust convergence 8 Execute TOUCH FOCUS following instructions displayed on the screen after finishing convergence adjustments of all the colors Note Press button 7 again after PLEASE PUSH TOUCH FOCUS has been displayed Then TOUCH FOCUS will not be executed and the current state of convergence will be displayed REPLACING CONVERGENCE UNIT When replacing convergence unit picture screen require readj...

Page 16: ...into which a cleaning liquid has been soaked Cleaning liquid LENS LUSTER Manufac tured by Edmund Scientific Co etc HOW TO CLEAN SCREEN When cleaning the screen use a soft cloth so as not to damage the screen 1 Wipe the screen with a dry cloth to remove moisture on the screen Note Absolutely do not use detergent water alcohol benzine thinner etc for cleaning in order not to wipe away the black prin...

Page 17: ...w the FS circuit more than 5 seconds to reset Then turn the receiver on to produce a normal picture Location No Name 50 43 T461 C407 C408 C441 C432 C433 TFB3092AD 4700pF 3 8200pF 5 4700pF 3 8200pF 5 1200pF 3 ANODE VOLTAGE MEASURING METHOD CAUTION Take extra precaution when measuring this high voltage High voltages are also present in surrounding circuit boards CRT DRIVE assem bly DEFLECTION assemb...

Page 18: ... VERT POSITION HEIGHT V LINEARITY V S CORRECTION PICTURE WIDTH RCUT GCUT BCUT RDRV BDRV BRTC TNTC SCOL SCNT HPOS VPOS HIT LIN VSC WID Preset Data 80H 80H 80H 40H 40H 80H 48H 0BH 15H 80H 19H 55H 14H 10H 1FH 55H Table 2 CIRCUIT CHECKS Table 3 Item Name of adjustment Preset Data VPS COLC VCP PARA CNR HCP VFC PHUE PCNT PCOL VCEN TVOP OPT1 OPT2 V SHIFT COLOR V COMPENSATE E W PARABOLA DPC E W CORNER H C...

Page 19: ...L MONO R AUDIO MONO L AUDIO AUDIO R L R P Y P B R L VAR AUDIO ANT 75Ω VIDEO 2 VIDEO 1 OUT IN IN COLOR STREAM HD 1 VOL VOL CH CH MENU EXIT TV VIDEO DEMO POWER AUDIO L R P Y P B R COLOR STREAM HD 2 IN TV front POWER VOLUMET S Behind the door MENU Video Audio inputs Video3 CHANNEL st TV VIDEO EXIT DEMO TV rear Power Indicator T Sst Remote sensor Behind the screen ...

Page 20: ...LL SWAP TV VCR REW FF STOP SOURCE FAV FAV F A V O R I T E E X I T P I C S I Z E STROBE 1 4 7 2 5 8 3 6 9 0 100 MENU ENTER LOCATE LIGHT TV CABLE VCR switch Set to TV to control the TV MUTE Channel Number FAVORITE ENTER FAV t STROBE PIP CH t RECALL POWER TIMER TV VIDEO CHANNEL s t VOLUME s t CH RTN PIP CH s FAV s EXIT PIC SIZE PIP functions For TV and CABLE modes s t T S ...

Page 21: ...will automatically cycle through all the TV or CABLE channels selected by the TV CABLE function and store active channels in the channel memory 3 When channel programming is complete you will see the message to the right appears 4 Press CHANNEL s or t to make sure the channel programming has been done properly ADD ERASE function After performing the CH PROGRAM function you can add or erase specifi...

Page 22: ...MENTS SPECIFIC INFORMATIONS MECHANICAL DISASSEMBLY for 43 K502 20 SCREWS K501 K503 K601 9 SCREWS A001 A201 A213 A214 A224 A102 SCREWS K111 K112 K113 6 SCREWS 11 SCREWS A421 A424 A420 LABELS SCREWS SCREWS A202 A268 SCREWS ...

Page 23: ...t Mask Removal 5 Shield Plate Lens Removal 6 Mirror Removal 7 Back Board Removal 8 Light Box Removal A102 A001 A101 A213 A214 A224 A202 A212 A268 A102 K501 K511 4 screws A201 K502 K503 K111 K112 K113 4 screws K601 5 screws A421 A160 3 screws 5 screws A424 A401 10 screw A150 4 Mask Removal A201 ...

Page 24: ... 25 26 THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 25: ...C 25V 100UF M 3A C344 24567393 PLASTIC FILM 50V 39000PF J C345 24503041 PLASTIC FILM 63V 0 1UF J C346 24669100 ELECTROLYTIC 50V 10UF M 3A C347 24085946 ELEC NONPOLAR 16V 10UF M 3A C348 24503045 PLASTIC FILM 63V 0 22UF J C349 24503045 PLASTIC FILM 63V 0 22UF J C351 24503041 PLASTIC FILM 63V 0 1UF J C352 24669229 ELECTROLYTIC 50V 2 2UF M 3A C353 24669010 ELECTROLYTIC 50V 1 0UF M 3A C354 24567823 PLA...

Page 26: ... 50V B 10000PF K C515 24666221 ELECTROLYTIC 16V 220UF M 3A C515 24666221 ELECTROLYTIC 16V 220UF M 3A C518 24666100 ELECTROLYTIC 10V 10UF M 3A C529 24109103 CERAMIC CHIP 50V B 10000PF K C530 24669010 ELECTROLYTIC 50V 1 0UF M 3A C531 24666101 ELECTROLYTIC 16V 100UF M 3A C532 24666100 ELECTROLYTIC 10V 10UF M 3A C536 24109103 CERAMIC CHIP 50V B 10000PF K C537 24109103 CERAMIC CHIP 50V B 10000PF K C547...

Page 27: ...CERAMIC DISC 500V B 100PF K C908 24436390 CERAMIC DISC 50V SL 39PFJ C909 24794221 ELECTROIYTIC 16V 220UF M C911 24211102 CERAMIC DISC 2KV B 1000PF K C912 24794101 ELECTROLYTIC 16V 100UF M C913 24232103 CERAMIC DISC 50V F 10000PF Z C914 24436681 CERAMIC DISC 50V SL 680PF J C915 24679330 ELECTROLYTIC 250V 33UF M 3A C916 24794102 ELECTROLYTIC 16V 1000UF M C917 24214101 CERAMIC DISC 500V B 100PF K C91...

Page 28: ...IP 10V F 1UF Z CA705 24666100 ELECTROLYTIC 10V 10UF M 3A CB01 24794470 ELECTORLYTIC 16V 47UF M CB05 24666100 ELECTROLYTIC 10V 10UF M 3A CB13 24085970 ELECTROLYTIC NONPOLAR 16V 10UF M 7L CB14 24105331 CERAMIC CHIP 50V CH 330PF J CB15 24794100 ELECTROLYTIC 16V 10UF M CB42 24232103 CERAMIC DISC 50V F 10000PF Z CB62 24105331 CERAMIC CHIP 50V CH 330PF J CB90 24109103 CERAMIC CHIP 50V B 10000PF K CB91 2...

Page 29: ...AMIC CHIP 50V F 10000PF Z CH407 24100103 CERAMIC CHIP 50V F 10000PF Z CH408 24794100 ELECTROLYTIC 16V 10UF M CH409 24100103 CERAMIC CHIP 50V F 10000PF Z CH413 24100104 CERAMIC CHIP 25V F 100000PF Z CH414 24100104 CERAMIC CHIP 25V F 100000PF Z CH501 24794470 ELECTORLYTIC 16V 47UF M CH502 24794470 ELECTORLYTIC 16V 47UF M CH503 24794470 ELECTORLYTIC 16V 47UF M CH504 24794470 ELECTORLYTIC 16V 47UF M C...

Page 30: ...00PF K CV64 24206100 ELECTROLYTIC 50V 10UF M 7L 3A CV65 24591122 PLASTIC FILM 50V 1200PF J CV66 24436561 CERAMIC DISC 50V SL 560PF J CV67 24591102 PLASTIC FILM 50V 1000PF J CV68 24206010 ELECTROLYTIC 50V 1 0UF M 7L 3A CV77 24763222 ELECTROLYTIC CE04G 16V 2200UF M CV78 24109103 CERAMIC CHIP 50V B 10000PF K CV100 24206229 ELECTROLYTIC 50V 2 2UF M 7L 3A CV135 24203470 ELECTROLYTIC 16V 47UF M 7L 3A CV...

Page 31: ...1 6W 100 OHM J R415 24533331 FUSIBLE 2W 330 OHM J R416 24383680 OXIDE METAL FILM 2W 68 OHM J 43H72 R417 24366101 CARBON FILM 1 6W 100 OHM J R418 24366332 CARBON FILM 1 6W 3 3K OHM J R419 24942102 CARBON COMPOSITION 1 2W 1K OHM J R420 24382473 OXIDE METAL FILM 1W 47K OHM J R421 24377224 CARBON FILM 1W 220K OHM J R422 24376104 CARBON FILM 1 2W 10OK OHM J R423 24376104 CARBON FILM 1 2W 10OK OHM J R42...

Page 32: ... 24366151 CARBON FILM 1 6W 150 OHM J R725 24366332 CARBON FILM 1 6W 3 3K OHM J R730 24552100 OXIDE METAL FILM 1 2W 10 OHM J R731 24552331 OXIDE METAL FILM 1 2W 330 OHM J R732 24366470 CARBON FILM 1 6W 47 OHM J R733 24366683 CARBON FILM 1 6W 68K OHM J R734 24366470 CARBON FILM 1 6W 47 OHM J R735 24366683 CARBON FILM 1 6W 68K OHM J R736 24553330 OXIDE METAL FILM 1W 33 OHM J R737 24366751 CARBON FILM...

Page 33: ...ON FILM 1 6W 330 OHM J R967 24366681 CARBON FILM 1 6W 680 OHM J R968 24366470 CARBON FILM 1 6W 47 OHM J R969 24366683 CARBON FILM 1 6W 68K OHM J R970 24366393 CARBON FILM 1 6W 39K OHM J R971 24367821 CARBON FILM 1 6W 820 OHM G R972 24367471 CARBON FILM 1 6W 470 OHM G R973 24367681 CARBON FILM 1 6W 680 OHM G R974 24367681 CARBON FILM 1 6W 680 OHM G R975 24366561 CARBON FILM 1 6W 560 OHM J R976 2436...

Page 34: ...845 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R7846 24011103 CHIP METAL FILM 1 20W 10K OHM J R7847 24011103 CHIP METAL FILM 1 20W 10K OHM J R7848 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R7849 24011101 CHIP METAL FILM 1 20W 100 OHM J R7861 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R7862 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R7864 24011221 CHIP METAL FILM 1 20W 220 OHM J R7865 24011102 CHIP ME...

Page 35: ... 2K OHM J RA77 24011103 CHIP METAL FILM 1 20W 10K OHM J RA77 24366153 CARBON FILM 1 6W 15K OHM J RA78 24011333 CHIP METAL FILM 1 20W 33K OHM J RA78 24366273 CARBON FILM 1 6W 27K OHM J RA79 24011333 CHIP METAL FILM 1 20W 33K OHM J RA79 24366823 CARBON FILM 1 6W 82K OHM J RA80 24011101 CHIP METAL FILM 1 20W 100 OHM J RA81 24011473 CHIP METAL FILM 1 20W 47K OHM J RA021 24011101 CHIP METAL FILM 1 20W ...

Page 36: ... J 43H72 RH303 24011153 CHIP METAL FILM 1 2OW 15K OHM J 43H72 RH304 24011153 CHIP METAL FILM 1 2OW 15K OHM J 43H72 RH305 24011102 CHIP METAL FILM 1 20W 1K OHM J RH306 24011684 METAL FILM CHIP 1 20W 680K J RH307 24011684 METAL FILM CHIP 1 20W 680K J RH308 24011102 CHIP METAL FILM 1 20W 1K OHM J RH309 24011203 CHIP METAL FILM 1 20W 20K OHM J RH310 24011203 CHIP METAL FILM 1 20W 20K OHM J RH311 24011...

Page 37: ...6W 10K OHM RH645 24998103 CHIP 1 16W 10K OHM RH646 24011822 CHIP METAL FILM 1 20W 8 2K OHM J RH647 24998683 CHIP METAL FILM 1 16W 68K OHM D RH648 24998103 CHIP 1 16W 10K OHM RH649 24011911 METAL FILM CHIP 1 20W 910 J RH661 24011911 METAL FILM CHIP 1 20W 910 J RH662 24998103 CHIP 1 16W 10K OHM RH663 24998103 CHIP 1 16W 10K OHM RH664 24998103 CHIP 1 16W 10K OHM RH665 24998103 CHIP 1 16W 10K OHM RH66...

Page 38: ...011472 CHIP METAL FILM 1 20W 4 7K OHM J RV180 24011472 CHIP METAL FILM 1 20W 4 7K OHM J RV181 24011101 CHIP METAL FILM 1 20W 100 OHM J RV182 24011101 CHIP METAL FILM 1 20W 100 OHM J RV183 24011101 CHIP METAL FILM 1 20W 100 OHM J RV184 24011182 CHIP METAL FILM 1 20W 1 8K OHM J RV185 24011182 CHIP METAL FILM 1 20W 1 8K OHM J RV186 24011182 CHIP METAL FILM 1 20W 1 8K OHM J RW10 24011102 CHIP METAL FI...

Page 39: ...03T 43H72 LH405 23103864 FILTER TEM2103T 43H72 LH411 23103864 FILTER TEM2103T 43H72 LH521 23289102 COIL PEAKING TRF4102AF LH522 23289471 COIL PEAKING 470MMHJ COLTRF4471AF LH541 23289102 COIL PEAKING TRF4102AF LH542 23289471 COIL PEAKING 470MMHJ COLTRF4471AF LH561 23289102 COIL PEAKING TRF4102AF LH562 23289471 COIL PEAKING 470MMHJ COLTRF4471AF LH621 23289102 COIL PEAKING TRF4102AF LH622 23289471 CO...

Page 40: ...S Q779 23205057 TRANSISTOR KTC3875Y Q780 23205054 TRANSISTOR KTA1504Y Q781 23114528 TRANSISTOR 2SC1740S Q781 23205057 TRANSISTOR KTC3875Y Q782 23205123 TRANSISTOR 2SA933ASQ Q782 23318840 IC AN79M05F Q783 23114528 TRANSISTOR 2SC1740S Q783 23205037 TRANSISTOR 2SJ512 250V 5A 30W Q784 23314909 TRANSISTOR 2SA1837 Q784B 23712306 SCREW PP3X 5X6SZN Q785 23314912 TRANSISTOR 2SC4793 Q785B 23712306 SCREW PP3...

Page 41: ...75Y QS120 23906597 IC BA4558F QV01 23905539 IC TA8851CN QV10 23114528 TRANSISTOR 2SC1740S QV20 23114460 TRANSISTOR RN1204 QV21 23114528 TRANSISTOR 2SC1740S QV22 23205123 TRANSISTOR 2SA933ASQ QV23 23205123 TRANSISTOR 2SA933ASQ QV28 23114461 TRANSISTOR RN1203 QV30 23905590 IC M52055FP QV31 23205057 TRANSISTOR KTC3875Y QV37 23205054 TRANSISTOR KTA1504Y QV38 23205054 TRANSISTOR KTA1504Y QV39 23205054 ...

Page 42: ...941 23118859 DIODE 1SS133 D942 23118859 DIODE 1SS133 D943 23118859 DIODE 1SS133 D946 23118859 DIODE 1SS133 D948 23118859 DIODE 1SS133 D962 23118859 DIODE 1SS133 D963 23118859 DIODE 1SS133 D964 23118859 DIODE 1SS133 D965 23118859 DIODE 1SS133 D966 23118859 DIODE 1SS133 D967 23115337 DIODE 1S1834 D7702 23118859 DIODE 1SS133 D7705 23118041 DIODE MA111 D7706 23118041 DIODE MA111 D7707 23118041 DIODE M...

Page 43: ...0A F853 23144622 FUSE AXIAL 125V 1 25A F860 23144511 FUSE AXIAL 125V 4 0A F889 23144626 FUSE AXIAL 125V 4 0A F890 23144625 FUSE AXIAL 125V 3 15A F891 23144627 FUSE AXIAL 125V 5 0A G101 24011151 CHIP METAL FILM 1 20W 150 OHM J G102 24011151 CHIP METAL FILM 1 20W 150 OHM J GJ01 24000445 CHIP JUMPER 1608TYPE GJ01 24000445 CHIP JUMPER 1608TYPE GJ02 24000445 CHIP JUMPER 1608TYPE GJ03 24000445 CHIP JUMP...

Page 44: ...BLE FOCUS Z450A 23501755 ANODE CABLE 400LD FBT C Z801 23148734 MODULE PROTECTOR HIC1026A ZH001 23103823 COIL FILTER TEM2027D ZH002 23103823 COIL FILTER TEM2027D ZH04 23103778 FILTER FERRITE CORE TFE1008 ZH121 23103823 COIL FILTER TEM2027D ZH122 23103823 COIL FILTER TEM2027D ZH141 23103823 COIL FILTER TEM2027D ZH142 23103823 COIL FILTER TEM2027D ZH161 23103823 COIL FILTER TEM2027D ZH162 23103823 CO...

Page 45: ...OOD SCREW PTD 6 X 3 4 TNP LOCAL A521 23030815 WOOD SCREW PTD 6 X 3 4 TNP LOCAL A543 72471068 SCREW 4X12 A701 23064609 CARTON CARTON 43H72 A701 23525844 CARTON CASE HSC 50H72 A703 23946247 PACKING TOP PACKING 43H72 A703 23935847 TOP PACKING 50H72 A708 23935848 BOTTOM PACKING 50H72 A721 23943628 PLYETHLENE COVERING 46GM88T K111 23405005 LENS DELTA240A B DELTA240A B K112 23405005 LENS DELTA240A B DEL...

Page 46: ... 48 SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 47: ... 49 50 SIGNAL BOARD PD0073Q 43 SIGNAL BOARD PD0073R 50 BOTTOM FOIL SIDE ...

Page 48: ...DEF POWER BOARD PD0074G 43 DEF POWER BOARD PD0074H 50 BOTTOM FOIL SIDE 51 52 ...

Page 49: ... 53 A V BOARD PD0075B BOTTOM FOIL SIDE ...

Page 50: ... 54 SRS 3D BOARD PD0076A BOTTOM FOIL SIDE ...

Page 51: ... 55 DPC BOARD PD0077B BOTTOM FOIL SIDE ...

Page 52: ... 56 DIGI CONV BOARD PD0638A 43 DIGI CONV BOARD PD0638B 50 BOTTOM FOIL SIDE ...

Page 53: ... 57 CONV SEN BOARD PD0079 BOTTOM FOIL SIDE CRT DRIVE RED BOARD PD0080F BOTTOM FOIL SIDE ...

Page 54: ... 58 CRT DRIVE GRN BOARD PD0080F BOTTOM FOIL SIDE CRT DRIVE BLE BOARD PD0080F BOTTOM FOIL SIDE ...

Page 55: ... 59 SVM R BOARD PD0080F BOTTOM FOIL SIDE SVM G BOARD PD0080F BOTTOM FOIL SIDE SVM B BOARD PD0080F BOTTOM FOIL SIDE ...

Page 56: ... 60 FRONT BOARD PD0224 BOTTOM FOIL SIDE FRONT BOARD PD0224 BOTTOM FOIL SIDE FRONT BOARD PD0224 BOTTOM FOIL SIDE ...

Page 57: ...4544 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 2SD2553 2SC5143 E C B B C E BCE B CE B C E E C B E C B ON4409 B C E ...

Page 58: ...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 capacitor Mylar capacitor 3 The parts indicated with have special characteristics and should be replaced with identical parts only 4 Voltages read ...

Page 59: ... 63 64 CIRCUIT BLOCK DIAGRAM ...

Page 60: ... burst signal 75 ohm VIDEO AUDIO INPUT VIDEO 1 V p p 75 ohm negative sync AUDIO 150 mV rms 30 modulation equivalent 47 kohm ColorStreamTM Component video INPUT Y INPUT 1 V p p 75 ohm PR INPUT 0 7 V p p 75 ohm PB INPUT 0 7 V p p 75 ohm AUDIO 150mV rms 47 kohm VIDEO AUDIO OUTPUT VIDEO 1 V p p 75 ohm negative sync AUDIO 150 mV rms 30 modulation equivalent 4 7 kohm VARIABLE AUDIO OUTPUT 0 300 mV rms 3...

Page 61: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN FILE NO 020 200203 SERVICE MANUAL PUBLISHED IN JAPAN Apr 2002 So COLOR TELEVISION N2PSP Chassis 43H72 50H72 TAC0262 TAC0261 ...

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