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Toshiba 51H83 Service Manual
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Toshiba 51H83 Service Manual

Toshiba 51H83 Service Manual

N3psp shassis
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FILE NO. 020-200307

SERVICE MANUAL

COLOR TELEVISION
N3PSP Chassis
51H83, 57H83, 65H83
(TAC0352)
(TAC0351)
(TAC0353)
DOCUMENT CREATED IN JAPAN, Apr., 2003

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Summary of Contents for Toshiba 51H83

  • Page 1: Service Manual

    FILE NO. 020-200307 SERVICE MANUAL COLOR TELEVISION N3PSP Chassis 51H83, 57H83, 65H83 (TAC0352) (TAC0351) (TAC0353) DOCUMENT CREATED IN JAPAN, Apr., 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: Servicing Precautions

    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 1) Press MUTE button twice 2) Press MUTE button 3) While pressing the 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 Between Digital Volt To adjust the voltage between TP- Raster BRIGHNESS:CNT Signal Meter G and TP-V TP-G to 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: 51H83) TV front Remote sensor (Behind the screen) VOLUME T S CHANNEL st TouchFoucus L/MONO MENU VOLUME CHANNEL EXIT TV/VIDEO TouchFocus S-VIDEO VIDEO AUDIO EXIT VIDEO-3 Video/audio inputs POWER MENU TV/VIDEO (Behind the door) ANT-1 IN...

  • Page 20: Remote Control

    Remote control POWER turns the TV on and off RECALL displays screen information POWER RECALL TV / VIDEO SLEEP sets the TV to turn off at a specific time INFO TV/VIDEO selects video input source MUTE mutes the sound Device Switch switches between TV, CLB/SAT/VCR and sets to “TV ”...

  • Page 21: Adding Channels To The Tv's Memory

    ADDING CHANNELS TO THE TV'S MEMORY When you press Channel 8 or 9, your TV will stop only on the channels stored in the TV ’s channel memory. Follow the steps below to program all active channels into the TV ’s memory. Adding and erasing channels manually Programming channels automatically After you have programmed the channels automatically, you...
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  • Page 23: Mechanical Disassembly

    MECHANICAL DISASSEMBLY 1 Speaker Grille Removal 2 Control Panel Removal 3 Front Mask Removal 10 screws A001 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...
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  • Page 25: Chassis Replacement Parts List

    The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. • The PC board assembly with mark is no longer available after the end of the production. Models : 51H83, 57H83, 65H83 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 26 CERAMIC CHIP, 25V F 0.1UF Z C726 24212102 CERAMIC DISC, 50V B 1000PF K C524 24100104 CERAMIC CHIP, 25V F 0.1UF Z C760 24797101 ELECTROLYTIC, 50V 100UF M (51H83) C531 24666101 ELECTROLYTIC, 16V 100UF M 3A C760 24797470 ELECTROLYTIC, 50V 47UF M (57H83/65H83) C532 24666100...
  • Page 27 24232103 CERAMIC DISC, 50V F 0.01UF Z C7721 24105102 CERAMIC CHIP, 25V CH 1000PF J C904 24436561 CERAMIC DISC, 50V SL 560PF J (51H83) C7722 24105331 CERAMIC CHIP, 50V CH 330PF J C904 24436221 CERAMIC DISC, 50V SL 220PF J...
  • Page 28 24503053 PLASTIC FILM, 63V 1UF J CB45 24092538 CERAMIC CHIP, 10V F 1UF Z C9100 24436331 CERAMIC DISC, 50V SL 330PF J (51H83) CB46 24109222 CERAMIC CHIP, 50V B 2200PF K C9100 24436471 CERAMIC DISC, 50V SL 470PF J (57H83)
  • Page 29 Location Location Parts No. Description Parts No. Description CS24 24797229 ELECTROLYTIC, 50V 2.2UF M CY103 24100104 CERAMIC CHIP, 25V F 0.1UF Z CS25 24794470 ELECTORLYTIC, 16V 47UF M CY104 24109103 CERAMIC CHIP, 50V B 0.01UF K CS26 24085944 ELECTROLYTIC, NONPOLAR, CY105 24109103 CERAMIC CHIP, 50V B 0.01UF K 50V 2.2UF M 11L...
  • Page 30 Location Location Parts No. Description Parts No. Description R312 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R425 24376104 CARBON FILM, 1/2W 10OK OHM J R314 24011473 CHIP, METAL FILM, 1/20W 47K OHM J R426 24366101 CARBON FILM, 1/6W 100 OHM J R315 24011681 CHIP, METAL FILM, 1/20W 680 OHM J...
  • Page 31 OXIDE METAL FILM, 1W 2.2 OHM J R566 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R742 24322229 OXIDE METAL FILM, 1W 2.2 OHM J (51H83) R567 24011102 CHIP, METAL FILM, 1/20W 1K OHM J R742 24321229 OXIDE METAL FILM, 1/2W 2.2 OHM J...
  • Page 32 CARBON COMPOSITION, 1/2W 1K OHM J R942 24383153 OXIDE METAL FILM, 2W 15K OHM J (51H83) R943 24383153 OXIDE METAL FILM, 2W 15K OHM J (51H83) R903 24552101 OXIDE METAL FILM, 1/2W 100 OHM J R944 24383153 OXIDE METAL FILM, 2W 15K OHM J...
  • Page 33 CARBON FILM, 1/6W 3.3K OHM J R4413 24011561 CHIP, METAL FILM, 1/20W 560 OHM J R965 24366471 CARBON FILM, 1/6W 470 OHM J (51H83) R4430 24381150 OXIDE METAL FILM, 1/2W 15 OHM J R965 24366101 CARBON FILM, 1/6W 100 OHM J...
  • Page 34 CHIP, METAL FILM, 1/16W 4.7K OHM J RA77 24366153 CARBON FILM, 1/6W 15K OHM J R9501 24366470 CARBON FILM, 1/6W 47 OHM J (51H83) RA77 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R9501 24366101 CARBON FILM, 1/6W 100 OHM J...
  • Page 35 Location Location Parts No. Description Parts No. Description RB46 24011392 CHIP, METAL FILM, 1/20W 3.9K OHM J RI35 24011563 CHIP, METAL FILM, 1/20W 56K OHM J RB47 24011392 CHIP, METAL FILM, 1/20W 3.9K OHM J RI36 24011683 CHIP, METAL FILM, 1/20W 68K OHM J RB48 24011103 CHIP, METAL FILM, 1/20W 10K OHM J...
  • Page 36 Location Location Parts No. Description Parts No. Description RS52 24011104 CHIP, METAL FILM, 1/20W 100K OHM J RV78 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RS55 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RV79 24011272 CHIP, METAL FILM, 1/20W 2.7K OHM J RS56 24011104 CHIP, METAL FILM, 1/20W 100K OHM J...
  • Page 37 FERRITE CHOKE, TEM2011AA L101 23289845 COIL, PEAKING, TRF4680AT L896 23103145 FERRITE CHOKE, TEM2011AA L103 23289844 COIL, PEAKING, TRF4470AT L902 23289100 COIL, PEAKING, TRF4100AF (51H83) L111 23289845 COIL, PEAKING, TRF4680AT L902 23289159 COIL, PEAKING, TRF41R5AF (57H83/65H83) L113 23289842 COIL, PEAKING, TRF4220AT L903 23289101...
  • Page 38 Location Location Parts No. Description Parts No. Description LV20 23238705 COIL, PEAKING, TRF4560AJ Q612 23314994 TRANSISTOR, 2SA1576A106 LV42 23289840 COIL, PEAKING, TRF4100AT Q661 70114396 TRANSISTOR, 2SC3326B LV72 23103159 FILTER, EMI, TEM2028AA, 7.5X6.4X8 Q662 70114396 TRANSISTOR, 2SC3326B 60MMH 0.5A Q663 23906596 IC, BA4558 LV251 23103852...
  • Page 39 * Q881 23319693 IC, SE116N, LF4 AM-30-24CA Q894 23314965 TRANSISTOR, KTC3198 Y QH301 23358557 OPT DEVICE, AM. PHOTOSENSOR, Q901 23314971 TRANSISTOR, 2SC5360(FA) (51H83) AM-30-24CA Q901 23205159 TRANSISTOR, 2SC3942 (57H83/65H83) QI01 23114611 TRANSISTOR, 2SC3357 Q901B 70391355 SCREW, BIND HEAD TAP-TITE B, QI02...
  • Page 40 * D899 24019485 VARISTOR, TNR10V431K D601 23118041 DIODE, MA111 D901 23118859 DIODE, 1SS133 D602 23118041 DIODE, MA111 D902 23118859 DIODE, 1SS133 (51H83) D603 23118041 DIODE, MA111 D906 23357012 DIODE, 1SS244 (57H83/65H83) D604 23118041 DIODE, MA111 D907 23357012 DIODE, 1SS244 (57H83/65H83) D607...
  • Page 41 Location Location Parts No. Description Parts No. Description D934 23118859 DIODE, 1SS133 (51H83) DV251 23316577 DIODE, ZENER, MA8068-M D936 23115337 DIODE, 1S1834 DV252 23316577 DIODE, ZENER, MA8068-M D941 23118859 DIODE, 1SS133 DV256 23316587 DIODE, ZENER, MA8091-L D942 23118859 DIODE, 1SS133...
  • Page 42 PICTURE TUBE * SR82 23146564 RELAY, DC12V, TV5, DG-3 UH01 23148051 MODULE, D-CONVER, MDCU11 * V901R 23071475 OTHER BLOCK, COUPLING R 51H83 (51H83) UV02 23148055 SCAN CONVERTER MODUL, 03DVI, MHDM01 * V901R 23086603 OTHER BLOCK, COUPLING R 57H82 (57H83) UZ01 23148052 SCAN CONVERTER MODUL, G.HYPER,...
  • Page 43 * A001 23411867 CABINET, WOOD CAB SHIP, 65H83 (65H83) K601 23405029 MIRROR, 65WL, 65H81 (65H83) A102 23527268 GRILLE, SPEAKER GRILLE 51 REG, 51H83 (51H83) A102 23527269 GRILLE, SPEAKER GRILLE 57 REG, 57H83 (57H83) A102 23527279 GRILLE, SPK GRILLE ASSY, 65H83 (65H83)
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  • Page 45: 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 RN1204 2SC5143 RN2204 RN1205 RN1202 RN1201 –...
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  • Page 47: Pc Boards Bottom View

    SCHEMATIC DIAGRAM MODEL : 51H83 / 57H83 / 65H83 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 48: Circuit Block Diagram

    CIRCUIT BLOCK DIAGRAM – 63 – – 64 –...

  • Page 49: Specifications

    Audio Power Remote Control with 2 size “AA ” alkaline batteries 20 W + 20 W Speaker Type 51H83:Two 6-5/16 inches (16 cm) round 57H83:Two 6-5/16 inches (16 cm) round 65H83:Two 6-5/16 inches (16 cm) round Video/Audio Terminals S-VIDEO INPUT Y :1 V(p-p),75 ohm, negative sync.
  • Page 50 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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