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Toshiba TAC0362 Service Manual

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FILE NO. 020-200320
SERVICE MANUAL
COLOR TELEVISION
N3PSP Chassis
51H93, 57H93, 65H93
(TAC0362)
(TAC0361)
(TAC0363)
DOCUMENT CREATED IN JAPAN, Dec., 2003

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  • Page 1 FILE NO. 020-200320 SERVICE MANUAL COLOR TELEVISION N3PSP Chassis 51H93, 57H93, 65H93 (TAC0362) (TAC0361) (TAC0363) DOCUMENT CREATED IN JAPAN, Dec., 2003...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS .............................. 3 CRT ASSEMBLY REPLACEMENT AND MOUNTING ....................4 PICTURE TUBE COMPONENTS ADJUSTMENT ......................6 REPLACEMENT OF THE CRT ............................9 SERVICE MODE ................................10 ELECTRICAL ADJUSTMENT ............................12 CONVERGENCE ADJUSTMENT ..........................13 SCREEN AND MIRROR ALIGNMENTS ........................

  • Page 3: Chapter 1 General Adjustments

    CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” INSTRUCTIONS BELOW. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazardous 2. This receiver is equipped with a Fail Safe (FS) circuit which X-RAY RADIATION.

  • Page 4: Crt Assembly Replacement And Mounting

    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. Attention Serviceman The Hex Head Bolts with Springs. (see sketch) used on CRT assembly, are NOT Adjustment Screws DO NOT LOOSEN-FLUID...
  • Page 5 TO REMOVE CRT (Same procedure for R, G, B) 1. Remove CRT DRIVE Board, S. V. M. COIL and DEF. YOKE from CRT. 2. Remove Lens Assembly. 3. Detach CRT Anode Cap from CRT. 4. Remove CRT Assembly from CRT Mounting. Anode Cap CRT REPLACEMENT (Same procedure for R, G, B) Reverse the removal procedures except the followings.

  • Page 6: Picture Tube Components Adjustment

    WARNING : BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRE- CAUTION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL. PICTURE TUBE COMPONENTS ADJUSTMENT DESCRIPTION OF NECK COMPONENTS Deflection yoke and convergence yoke The position on the neck is required most front (CRT funnel side) and the screw is fastened after rotating yoke adjusting picture tilt.
  • Page 7 R, G, B FOCUS ADJUSTMENT TILT ADJUSTMENT 1. Before adjusting the R, G, B FOCUS, remove the 4 screws Rotate R, G, B deflection yoke so that picture becomes hori- of Lens Assembly which is fixed on the CRT Assembly. zon, then fasten screw.
  • Page 8 LOCATION OF SCREEN AND FOCUS VR’S (57", 65") SCREEN VR FOCUS VR Cover Speaker grille LOCATION OF SCREEN AND FOCUS VR’S (46", 51") FOCUS VR SCREEN VR Cover Speaker grille – 8 –...

  • Page 9: Replacement Of The Crt

    REPLACEMENT OF THE CRT Service parts are provided for each R, G and B. The contents of the parts are as follows. HITACHI 23008174 23008175 23008176 REPLACEMENT OF HIGH VOLTAGE CABLE 1. When replacing Anode Lead or Anode Cap with new one, remove Lead Holder from old lead as shown in figure ANODE LEAD below, and put it on new lead.

  • Page 10: Service Mode

    SERVICE MODE 1. ENTERING TO SERVICE MODE 3) While pressing the MUTE button, 1) Press MUTE button twice 2) Press MUTE button on Remote Control. again to keep pressing. press MENU button on TV set. MUTE (Service mode display) 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV.
  • Page 11 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.

  • Page 12: Electrical Adjustment

    ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE VERTICAL POSITION 1. Receive NTSC signal. (VPSI) 2. Connect he probe of digital voltmeter to TP-V and TP-G on SIGNAL Board. 3. Call up the adjustment mode display, then select the item VCEN. 4. Press the VOLUME s or t button to get the voltage 0±10 mV. WIDTH 1.

  • Page 13: Convergence Adjustment

    CONVERGENCE ADJUSTMENT EXPLANATION OF KEY-FUNCTION IN THE CONVER- 1. Receive NTSC signal. GENCE ADJUSTMENT MODE 2. Enter to the service mode. (See Page 10.) Load BACK UP DATA: 1 button Up : 2 button RCUT Selet Green color: 3 button Left : 4 button Blinking of cursor ON/OFF:...
  • Page 14 DEFLECTION and CONVERGENCE INPUT TEST MEASUREMENT ADJUSTMENT ITEM NAME SETTING ADJUSTMENT METHOD SIGNAL POINT INSTRUMENT SPEC 0 ± 10mV VPS1 VERTICAL CONTRAST:MAX Retma Digital Volt To adjust the voltage between TP- Between Raster BRIGHNESS:CNT Signal TP-G to Meter G and TP-V centering COLOUR :CNT...
  • Page 15 NOTES In many cases, color misconvergence may be corrected by returning HIT and WID data in main deflection side to initial adjusting values. Following cases will surely require readjustment of convergence. CRT REPLACEMENT When CRT is replaced, main deflection readjustment and color matching are required. Perform following procedures.

  • Page 16: Screen And Mirror Alignments

    SCREEN AND MIRROR ALIGNMENTS ASSEMBLING OF FRONT SCREEN MOUNTING OF FRONT SCREEN INSIDE 0 to 1 mm OUT SIDE K503 FRONT PANEL K501 K502 LENTICULAR FRESNAL <INSIDE> SMOOTH LENS FRESNEL LENTICULAR FRONT PANEL BLACK STRIPES <OUTSIDE> BLACK STRIPES SMOOTH BEZEL SPACER FRONT PANEL LENTICULAR...

  • Page 17: Circuit Checks

    CIRCUIT CHECKS HIGH VOLTAGE CHECK FS CIRCUIT CHECK CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on The Fail Safe (FS) circuit check is indispensable for the final this chassis. Checking should be done following check in servicing. Checking should be done following the the steps below.

  • Page 18: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 51", 57", 65" HIGH VOLTAGE AT ZERO BEAM: 31.0 kV MAX HIGH VOLTAGE: 32.5 kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Name of adjustment Preset Data Item...

  • Page 19: Location Of Controls

    LOCATION OF CONTROLS (Representative: 51H93) TV front Remote control sensor VOLUME ; : TV/VIDEO Power indicator light SD SmatMedia™ slot CHANNEL st RESET EXIT POWER MENU TouchFocus™ VIDEO-3 Ambient light sensor (ALS) Press/lift to open control panel door. TV rear ANT-1 IN and ANT-2 IN G-LINK™...
  • Page 20 Remote control POWER turns the TV on and off. SLEEP accesses the sleep timer. LIGHT The first press of the LIGHT button lights the keypad and turns on the Illumination mode. With the Illumination mode on, pressing any other key lights the keypad for 5 seconds (10 seconds if you’re in programming mode).

  • Page 21: Programming Channels Into The Tv's Channel Memory

    PROGRAMMING CHANNELS INTO THE TV'S CHANNEL MEMORY When you press CHANNEL 8 or 9 on the remote control or TV front panel, your TV will stop only on the channels stored in the TV’s channel memory. Follow the steps below to program channels into the TV’s channel memory. Programming channels automatically To program channels automatically: Your TV can automatically detect all active channels in your...
  • Page 22 Manually adding and deleting channels in the channel memory After you have programmed the channels automatically, you To add a channel to the channel memory: can manually add or delete individual channels in the channel Highlight the unchecked box next to the channel number you memory.

  • Page 23: Mechanical Disassembly

    MECHANICAL DISASSEMBLY 1 Speaker Grille Removal 2 Control Panel Removal 3 Front Mask Removal 10 screws A401 A201 A223 A202 K501 K502 K503 4 screws A102 4 Shield Plate, Lens Removal 5 Mirror Removal 6 Back Board Removal 4 screws 4 screws K111 K112...
  • Page 24 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 25– – 26 –...

  • Page 25: Chassis Replacement Parts List

    CHASSIS REPLACEMENT PARTS LIST WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRE- CAUTION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL. CAUTION: The international hazard symbols “ ” in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
  • Page 26 Location Location Parts No. Description Parts No. Description C264 24105100 CERAMIC CHIP, 50V CH 10PF D C491 24666100 ELECTROLYTIC, 10V 10UF M 3A C265 24105100 CERAMIC CHIP, 50V CH 10PF D C496 24503049 PLASTIC FILM, 63V 0.47UF J C266 24105100 CERAMIC CHIP, 50V CH 10PF D C499 24666220...
  • Page 27 Location Location Parts No. Description Parts No. Description C715 24214472 CERAMIC DISC, 500V B 4700PF K C862 24092341 CERAMIC DISC, 2KV R 470PF K C717 24214472 CERAMIC DISC, 500V B 4700PF K C863 24503045 PLASTIC FILM, 63V 0.22UF J C718 24666470 ELECTORLYTIC, 16V 47UF M 3A C866...
  • Page 28 Location Location Parts No. Description Parts No. Description C4406 24109103 CERAMIC CHIP, 50V B 0.01UF K C7789 24591472 PLASTIC FILM, 50V 4700PF J C4407 24073039 ELECTROLYTIC, 16V 220UF M 3A C7791 24073056 ELECTROLYTIC, 25V 470UF M 3A C4420 24109103 CERAMIC CHIP, 50V B 0.01UF K C7792 24591472 PLASTIC FILM, 50V 4700PF J...
  • Page 29 Location Location Parts No. Description Parts No. Description CB40 24092538 CERAMIC CHIP, 10V F 1UF Z CE35 24617015 ELECTROLYTIC 04CH, 10V 2200UF M CB41 24109222 CERAMIC CHIP, 50V B 2200PF K CE36 24794101 ELECTROLYTIC, 16V 100UF M CB42 24105561 CERAMIC CHIP, 50V CH 560PF J CE37 24567334 PLASTIC FILM, 50V 0.33UF J...
  • Page 30 Location Location Parts No. Description Parts No. Description CG56 24619030 CHIP CHEMICON 6.3V 470M CG215 24232103 CERAMIC DISC, 50V F 0.01UF Z CG57 24100104 CERAMIC CHIP, 25V F 0.1UF Z CI01 24109103 CERAMIC CHIP, 50V B 0.01UF K CG58 24100104 CERAMIC CHIP, 25V F 0.1UF Z CI02 24109103...
  • Page 31 Location Location Parts No. Description Parts No. Description CV05 24092621 CERAMIC CHIP, 10V B 1UF K CY115 24105390 CERAMIC CHIP, 50V CH 39PF J CV06 24092621 CERAMIC CHIP, 10V B 1UF K CY116 24105470 CERAMIC CHIP, 50V CH 47PF J CV07 24100104 CERAMIC CHIP, 25V F 0.1UF Z...
  • Page 32 Location Location Parts No. Description Parts No. Description R235 24019436 CHIP BLOCK, 1/16W P-8 22 OHM J R346 24382391 OXIDE METAL FILM, 1W 390 OHM J R236 24019436 CHIP BLOCK, 1/16W P-8 22 OHM J R348 24011473 CHIP, METAL FILM, 1/20W 47K OHM J R237 24019436 CHIP BLOCK, 1/16W P-8 22 OHM J...
  • Page 33 Location Location Parts No. Description Parts No. Description R441 24533331 FUSIBLE, 2W 330 OHM J R570 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R443 24310109 OXIDE METAL FILM, 1/2W 1 OHM J R571 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R444 24322398 OXIDE METAL FILM, 1W 0.39 OHM J...
  • Page 34 Location Location Parts No. Description Parts No. Description R739 24366751 CARBON FILM, 1/6W 750 OHM J R873 24552100 OXIDE METAL FILM, 1/2W 10 OHM J R740 24553330 OXIDE METAL FILM, 1W 33 OHM J R874 24366150 CARBON FILM, 1/6W 15 OHM J R741 24322229 OXIDE METAL FILM, 1W 2.2 OHM J...
  • Page 35 Location Location Parts No. Description Parts No. Description R987 24366101 CARBON FILM, 1/6W 100 OHM J R5030 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R988 24366222 CARBON FILM, 1/6W 2.2K OHM J R7701 24011333 CHIP, METAL FILM, 1/20W 33K OHM J R991 24366222 CARBON FILM, 1/6W 2.2K OHM J...
  • Page 36 Location Location Parts No. Description Parts No. Description R7910 24011331 CHIP, METAL FILM, 1/20W 330 OHM J RA58 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R7911 24011561 CHIP, METAL FILM, 1/20W 560 OHM J RA59 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R7912 24011331 CHIP, METAL FILM, 1/20W 330 OHM J...
  • Page 37 Location Location Parts No. Description Parts No. Description RB58 24366103 CARBON FILM, 1/6W 10K OHM J RB561 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RB59 24366122 CARBON FILM, 1/6W 1.2K OHM J RB562 24011104 CHIP, METAL FILM, 1/20W 100K OHM J RB60 24366224 CARBON FILM, 1/6W 220K OHM J...
  • Page 38 Location Location Parts No. Description Parts No. Description RE56 24366221 CARBON FILM, 1/6W 220 OHM J RI03 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RE61 24382473 OXIDE METAL FILM, 1W 47K OHM J RI04 24011470 CHIP, METAL FILM, 1/20W 47 OHM J 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RI05...
  • Page 39 Location Location Parts No. Description Parts No. Description RS22 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J RV23 24366332 CARBON FILM, 1/6W 3.3K OHM J RS23 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RV26 24011561 CHIP, METAL FILM, 1/20W 560 OHM J RS24 24011101 CHIP, METAL FILM, 1/20W 100 OHM J...
  • Page 40 Location Location Parts No. Description Parts No. Description RY502 24011103 CHIP, METAL FILM, 1/20W 10K OHM J L206 23103152 FILTER, CHIP BEAD 1.5A 600OHM RY503 24011223 CHIP, METAL FILM, 1/20W 22K OHM J BLM31PG601SN1, TEM2133AM RY504 24011103 CHIP, METAL FILM, 1/20W 10K OHM J L207 23103152 FILTER, CHIP BEAD 1.5A 600OHM...
  • Page 41 Location Location Parts No. Description Parts No. Description L782 23103145 FERRITE CHOKE, TEM2011AA LE32 23248358 COIL, CHOKE EI22 100MMHK, TLN3540AH L783 23261974 COIL, FERRITE BEAD, HC5-035 LE33 23248213 COIL, CHOKE, TLN3481AH L801 23103152 FILTER, CHIP BEAD 1.5A 600OHM LE34 23248213 COIL, CHOKE, TLN3481AH BLM31PG601SN1, TEM2133AM LE35...
  • Page 42 Location Location Parts No. Description Parts No. Description LV13 23289840 COIL, PEAKING, TRF4100AT Q406 23314965 TRANSISTOR, KTC3198 Y LV20 23238705 COIL, PEAKING, TRF4560AJ Q408 23314962 TRANSISTOR, KTA1266 Y LV42 23289840 COIL, PEAKING, TRF4100AT Q409 23314965 TRANSISTOR, KTC3198 Y LV72 23103159 FILTER, EMI, TEM2028AA, 7.5X6.4X8 60MMH Q410 23314993...
  • Page 43 Location Location Parts No. Description Parts No. Description Q782 23319894 IC, NJM79M05FA QB45 23205116 TRANSISTOR, 2SC5343UF-Y(B Q783 23114528 TRANSISTOR, 2SC1740S QB46 23205112 TRANSISTOR, 2SA1980UF-Y( Q783 23205037 TRANSISTOR, 2SJ512 QB47 23205116 TRANSISTOR, 2SC5343UF-Y(B Q783B 70391356 SCREW, BITTB3X10 SZN QB51 23205054 TRANSISTOR, KTA1504Y Q784 23314909 TRANSISTOR, 2SA1837...
  • Page 44 Location Location Parts No. Description Parts No. Description QH301 23358557 OPT DEVICE, AM. PHOTOSENSOR, D336 23316672 DIODE, ZENER, MTZJ5.6B AM-30-24CA D337 23316672 DIODE, ZENER, MTZJ5.6B QI01 23114611 TRANSISTOR, 2SC3357 D365 23316682 DIODE, ZENER, MTZJ7.5C QI02 23314994 TRANSISTOR, 2SA1576A106 D370 23118859 DIODE, 1SS133 QI03 23314993...
  • Page 45 Location Location Parts No. Description Parts No. Description D830 23118213 DIODE, RK44, D7707 23118041 DIODE, MA111 D831 23316663 DIODE, ZENER, MTZJ4.3B D7708 23118041 DIODE, MA111 D832 23118859 DIODE, 1SS133 D7717 23118538 DIODE, ZENER, RD6.2ESA B2 D834 23316269 DIODE, AK04 D7718 23118538 DIODE, ZENER, RD6.2ESA B2 D835...
  • Page 46 Location Location Parts No. Description Parts No. Description DE91 23316714 DIODE, RL2Z G102 24011151 CHIP, METAL FILM, 1/20W 150 OHM J 23118041 DIODE, MA111 24000445 CHIP JUMPER, 1608TYPE 23316577 DIODE, ZENER, MA8068-M 24000445 CHIP JUMPER, 1608TYPE 23316577 DIODE, ZENER, MA8068-M 24000445 CHIP JUMPER, 1608TYPE 23118041...
  • Page 47 Location Location Parts No. Description Parts No. Description JY509 24000445 CHIP JUMPER, 1608TYPE P915B 23368580 PLUG, 6P 2.5MM G JST-EH B6B-EH-F1-TV4 KB01 23000852 IC, REMOTE PHOTO RECEIVER, P916A 23368581 CONNECTOR, PLUG, 7P 2.5MM G JST-EH, PIC-37043TE2 B7B-EH-F1-TV4 P101 23367070 PLUG, NP 2.5MM G JST-EH B10B-EH-F1A P916B 23368581 CONNECTOR, PLUG, 7P 2.5MM G JST-EH, P105...
  • Page 48 Location Location Parts No. Description Parts No. Description W661 23351183 SPEAKER, SPK1424AM, 160X160 8-OHM 20W UV02 23788762 DVI BOARD, PD0647B W662 23351183 SPEAKER, SPK1424AM, 160X160 8-OHM 20W UV03 23788759 REC OUT BOARD, PD1282 X4402 23153721 CERAMIC RESONATOR, 503KHZ PICTURE TUBE X4701 23153721 CERAMIC RESONATOR, 503KHZ...
  • Page 49 Location Location Parts No. Description Parts No. Description A708 23946480 PACKING, BOTTOM PACKING (57H93) A708 23946499 PACKING, BOTTOM (65H93) A709 23946483 PACKING, BOTTOM TRAY (51H93) A709 23946187 PACKING, BASE TRAY (57H93) A721 23943628 PLYETHLENE COVERING 46GM88T K501 23311015 SCREEN, 51KNH LENTICULAR SHEET, SCREEN51KNHL (51H93) K501 23311013...
  • Page 50 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 52 –...
  • Page 51 SIGNAL BOARD PD1146C BOTTOM (FOIL) SIDE – 53 – – 54 –...
  • Page 52 DEF/CONVER BOARD PD1147C BOTTOM (FOIL) SIDE – 55 – – 56 –...

  • Page 53: Pc Boards Bottom View

    POWER BOARD PD1151C BOTTOM (FOIL) SIDE – 57 – – 58 –...
  • Page 54 SUB POWER BOARD PD1284 CRT-D/G BOARD PD1153A-2 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE CRT-D/R BOARD PD1153A-1 CRT-D/B BOARD PD1153A-3 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE – 59 – – 60 –...
  • Page 55 SVM/R BOARD PD1153A-4 BOTTOM (FOIL) SIDE SVM/G BOARD PD1153A-5 BOTTOM (FOIL) SIDE SVM/B BOARD PD1153A-6 BOTTOM (FOIL) SIDE – 61 –...
  • Page 56 FRONT-CON BOARD PD1154B-1 FRONT-IN BOARD PD1154B-2 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE REM BOARD PD1154B-3 BOTTOM (FOIL) SIDE FRONT-SEN BOARD PD1154B-4 BOTTOM (FOIL) SIDE – 62 –...
  • Page 57 DD CON BOARD PD1163A-1 BOTTOM (FOIL) SIDE CONVER OUT BOARD PD1163A-2 BOTTOM (FOIL) SIDE CONV-SEN BOARD PD0079 IF BOARD PD1022C BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE P900 B1-V-O – 63 –...
  • Page 58 IR BLASTER BOARD PD1289 BOTTOM (FOIL) SIDE MULTI CARD BOARD PD1281 MULTI CARD BOARD PD1281 TOP (FOIL) SIDE BOTTOM (FOIL) SIDE – 64 –...
  • Page 59 GEMSTAR BOARD PD1283 GEMSTAR BOARD PD1283 TOP (FOIL) SIDE BOTTOM (FOIL) SIDE – 65 –...

  • Page 60: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SC5144 2SC3852 2SC752GTM 2SC752 2SA1788 2SC5859 2SD1763A 2SA562TM 2SC2482 2SC1569 2SA1015 2SC2655 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 2SD1554 ON4409 RN2203 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SD2553 2SC5143 RN1204 RN2204 RN1205 RN1202 RN1201 –...
  • Page 61 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 67 –...
  • Page 62 SCHEMATIC DIAGRAM MODEL : 51H93/ 57H93 / 65H93 WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols "*" in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.

  • Page 63: Circuit Block Diagram

    CIRCUIT BLOCK DIAGRAM – 69 – – 70 –...

  • Page 64: Specifications

    SPECIFICATIONS Television System Dimensions NTSC standard 51H93: Width 47-9/16 inches (1208 mm) ATSC standard (8VSB) Height 50-1/2 inches (1283 mm) Digital Cable (64 QAM, 256 QAM; in-the-clear, un- Depth 22 inches (559 mm) encrypted) 57H93: Width 52-3/4 inches (1340 mm) Height 55-3/4 inches (1416 mm) Channel Coverage...
  • Page 65 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...
  • Page 66 SCHEMATIC DIAGRAM MODEL : 51H93 / 57H93 / 65H93 WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols "*" in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
  • Page 67 CIRCUIT BLOCK DIAGRAM – 69 – – 70 –...
  • Page 68 51H93/57H93/65H93 SIGNAL - Audio [SHEET-1/9]...
  • Page 70 51H93/57H93/65H93 SIGNAL - Audio [SHEET-1/9]...
  • Page 71 51H93/57H93/65H93 SIGNAL - AV-1 [SHEET-2/9]...
  • Page 73 51H93/57H93/65H93 SIGNAL - AV-1 [SHEET-2/9]...
  • Page 74 3.2/0 3.0/0 4.9/0 51H93/57H93/65H93 SIGNAL - Maicon [SHEET-3/9]...
  • Page 75 3.2/0 3.0/0 4.9/0...
  • Page 76 51H93/57H93/65H93 SIGNAL - Maicon [SHEET-3/9]...
  • Page 77 (ONLY Digital Integrated) 51H93/57H93/65H93 SIGNAL - REGULATOR [SHEET-4/9]...
  • Page 79 (ONLY Digital Integrated) 51H93/57H93/65H93 SIGNAL - REGULATOR [SHEET-4/9]...
  • Page 80 0.9V(p-p) (H) 0.78V(p-p) 9.1 7.3 0.53V(p-p) 0.75V(p-p) 0 3.5 3.5V(p-p) (H) 3.4V(p-p) (H) 3.6V(p-p) 51H93/57H93/65H93 SIGNAL - Video [SHEET-5/9]...
  • Page 81 0.9V(p-p) (H) 9.1 7.3 0 3.5 3.5V(p-p) (H)
  • Page 82 0.78V(p-p) 0.53V(p-p) 0.75V(p-p) 3.4V(p-p) (H) 3.6V(p-p) 51H93/57H93/65H93 SIGNAL - Video [SHEET-5/9]...
  • Page 83 51H93/57H93/65H93 SIGNAL - AV-2 [SHEET-6/9]...
  • Page 85 51H93/57H93/65H93 SIGNAL - AV-2 [SHEET-6/9]...
  • Page 86 51H93/57H93/65H93 SIGNAL - AV-3 [SHEET-7/9]...
  • Page 88 51H93/57H93/65H93 SIGNAL - AV-3 [SHEET-7/9]...
  • Page 89 32.0 5.0 4.6 32.0 9.0 2~4 1.0V(p-p)(H) 51H93/57H93/65H93 SIGNAL - IF [SHEET-8/9]...
  • Page 90 32.0 32.0 1.0V(p-p)(H)
  • Page 91 5.0 4.6 9.0 2~4 p-p)(H) 51H93/57H93/65H93 SIGNAL - IF [SHEET-8/9]...
  • Page 92 51H93/57H93/65H93 SIGNAL - SYNC OUT [SHEET-9/9]...
  • Page 94 51H93/57H93/65H93 SIGNAL - SYNC OUT [SHEET-9/9]...
  • Page 95 -16.7 16.5 -15.5 16.7 -15.2 Trigger CH1/2 MEM1 MEM2 Trigger CH1/2 MEM1 MEM2 SIGNAL/CONVER -8.0 SIGNAL/CONVER 10V/div 2V/div (Vertical) (Vertical) 1V/div 1V/div 5ms/div 5ms/div Length Length 5ms/div 5ms/div 10V/div 2V/div Length Length Sampling 5ms/div Sampling 5ms/div Normal Normal 20ksps 20ksps 51H93/57H93/65H93 DEF/CONVER - Vertical Trigger...
  • Page 97 -16.7 16.5 -15.5 16.7 -15.2 Trigger CH1/2 MEM1 MEM2 Trigger CH1/2 MEM1 MEM2 SIGNAL/CONVER -8.0 SIGNAL/CONVER 10V/div 2V/div (Vertical) (Vertical) 1V/div 1V/div 5ms/div 5ms/div Length Length 5ms/div 5ms/div 10V/div 2V/div Length Length Sampling Sampling 5ms/div 5ms/div Normal Normal 20ksps 20ksps 51H93/57H93/65H93 DEF/CONVER - Vertical Trigger...
  • Page 98 123Vp-p 30Vp-p 30Vp-p 122V 123Vp-p 1200Vp-p 2.65ohm 2.2ohm 0.1ohm 1ohm 7.6 7.8 2.65ohm 1ohm 2.65ohm 1ohm Trigger CH1/2 MEM1 MEM2 DEF/CONVER 2V/div (DEF) 1V/div 10us/div H_DRIVE Length 10us/div 1V/div Length Sampling 10us/div Normal 10Msps Marker 0.0us 3.04 Marker 0.0us 3.04 0.0us 0.00 Trigger...
  • Page 99 2.2ohm 0.1ohm 7.6 7.8 Trigger CH1/2 MEM1 MEM2 DEF/CONVER 2V/div (DEF) 1V/div 10us/div H_DRIVE Length 10us/div 1V/div Length Sampling 10us/div Normal 10Msps Marker 0.0us 3.04 Marker 0.0us 3.04 0.0us 0.00 Trigger Type :Simple Source :CH1 Record Length Mode :Auto Level :-34% CH1/2:1k Point...
  • Page 100 123Vp-p 30Vp-p 30Vp-p 122V 123Vp-p 1200Vp-p 2.65ohm 1ohm 2.65ohm 1ohm 2.65ohm 1ohm MEM1 MEM2 Trigger CH1/2 MEM1 MEM2 DEF/CONVER DEF/CONVER 200V/div (DEF) (DEF) 1V/div 5ms/div Length 5ms/div 200V/div 200V/div Length Sampling 10us/div 5ms/div Normal 20ksps 51H93/57H93/65H93 DEF/CONVER - DEF :CH1 Record Length Trigger...
  • Page 101 3.7V 4.3V 4.3V 3.7V 3.7V 0.3V 0.3V -11V -11V -32V -32V -32V -32V 20.8V 20.8V -16V -16V -20.5V -20.5V -20.5V -20.5V -32V -32V -32V -32V -16V -16V 20.8V 20.8V -16V -16V -16V -16V Tek Run: 5.00kS/s PK Detect Tek Run: 5.00kS/s PK Detect Tek Run: 5.00kS/s PK Detect...
  • Page 102 -11V -11V -32V -32V -32V -32V -16V -16V 20.8V 20.8V Tek Run: 5.00kS/s PK Detect Q751 Blue Green Ver. sync 2.00V 2.00V M5.00 2.00V Ch4 1.00V...
  • Page 103 3.7V 4.3V 4.3V 3.7V 3.7V 0.3V 0.3V -32V -32V -32V -32V 20.8V 20.8V -16V -16V -20.5V -20.5V -20.5V -20.5V 0.8V 0.8V -16V -16V -16V -16V Tek Run: 5.00kS/s PK Detect Tek Run: 5.00kS/s PK Detect Tek Run: 5.00kS/s PK Detect Q752 Q783 Q793...
  • Page 104 309.8 153.0 160.2 17.6 115.1 114.1 10 us 100 V Q801 10 us 100 V 51H93/57H93/65H93 T862 POWER - (1/2) [SHEET-1/2]...
  • Page 105 309.8 17.6 153.0 160.2 115.1 114.1...
  • Page 106 10 us 100 V Q801 10 us 100 V 51H93/57H93/65H93 T862 POWER - (1/2) [SHEET-1/2]...
  • Page 107 51H93/57H93/65H93 POWER - (2/2) [SHEET-2/2]...
  • Page 109 51H93/57H93/65H93 POWER - (2/2) [SHEET-2/2]...
  • Page 110 51H93/57H93/65H93 SUB-POWER...
  • Page 112 51H93/57H93/65H93 SUB-POWER...
  • Page 113 51H93/57H93/65H93...
  • Page 115 51H93/57H93/65H93...
  • Page 116 51H93/57H93/65H93 DD-CON - (1/2)
  • Page 118 51H93/57H93/65H93 DD-CON - (1/2)
  • Page 119 51H93/57H93/65H93 CONVER-OUT - (2/2)
  • Page 121 51H93/57H93/65H93 CONVER-OUT - (2/2)
  • Page 122 20µ s/DIV. 2V/DIV. 20µ s/DIV. 2V/DIV. 20µ s/DIV. 2V/DIV. 51H93/57H93/65H93 CRTSVM - CRT-DRIVE [SHEET-1/2]...
  • Page 123 20^ s/DIV. 2V/DIV. 20^ s/DIV. 2V/DIV.
  • Page 124 20^ s/DIV. 2V/DIV. 51H93/57H93/65H93 CRTSVM - CRT-DRIVE [SHEET-1/2]...
  • Page 125 13.1 13.1 117.2 116.6 59.2 59.2 13.1 13.1 13.1 13.1 13.1 117.2 13.1 117.2 116.6 59.2 116.6 59.2 59.2 59.2 51H93/57H93/65H93 CRTSVM - SVM [SHEET-2/2]...
  • Page 126 13.1 13.1 117.2 116.6 59.2 59.2 13.1 13.1 13.1 13.1 117.2 116.6 59.2 59.2...
  • Page 127 13.1 13.1 117.2 116.6 59.2 59.2 51H93/57H93/65H93 CRTSVM - SVM [SHEET-2/2]...
  • Page 128 51H93/57H93/65H93 FRONT...
  • Page 130 51H93/57H93/65H93 FRONT...
  • Page 131 51H93/57H93/65H93 IR BLASTER...
  • Page 133 51H93/57H93/65H93 IR BLASTER...
  • Page 134 51H93/57H93/65H93 T.FOCUS-SENSOR...
  • Page 136 51H93/57H93/65H93 T.FOCUS-SENSOR...
  • Page 137 51H93/57H93/65H93 REC OUT...
  • Page 139 51H93/57H93/65H93 REC OUT...
  • Page 140 51H93/57H93/65H93 Gemstar...
  • Page 148 51H93/57H93/65H93 Gemstar...

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