Toshiba 65HDX82 Service Manual

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FILE NO. 020-200218

SERVICE MANUAL

COLOR TELEVISION
N2PSP Chassis
65HDX82
(TAC0270)
PUBLISHED IN JAPAN, Jul. 2002 So

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Summary of Contents for Toshiba 65HDX82

  • Page 1: Service Manual

    FILE NO. 020-200218 SERVICE MANUAL COLOR TELEVISION N2PSP Chassis 65HDX82 (TAC0270) PUBLISHED IN JAPAN, Jul. 2002 So...
  • 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 ..........................14 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, 8 o’clock are “NOT”...
  • 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 SCREEN VR FOCUS VR 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 19) 5.
  • Page 12: Electrical Adjustment

    ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE ƒH 1. Receive NTSC signal. (free-running fre- 2. Short the terminal “TP +9V ” and the terminal “ TP (Free run) ” on the signal board with a jumper quency of Hor. wire. oscillator) 3. Connect the probe of frequency counter to the lead of R426 and GND. 4.
  • Page 13 ITEM ADJUSTMENT PROCEDURE HEIGHT 1. Receive NTSC signal. (HIT) 2. Select the "FULL" mode by PIC SIZE button on Remote Control. 3. Call up the adjustment mode display and select the item HIT. 4. Press the VOLUME s or t button to get the picture so that top and bottom of video signal begin to lack.
  • Page 14: Convergence Adjustment

    CONVERGENCE ADJUSTMENT Adjust convergence from center to circumference in order. 1. Select the adjustment mode following the steps on page KEY FUNCTION IN THE CONVERGENCE ADJUSTMENT: RCUT Lord BACK UP DATA: 1 button Up : 2 button Selet Green color: 3 button Left : 4 button...
  • Page 15 Adjusting Dimension of Each Picture Screen (16:9 screen size:) 65 inches (1) HD (1080I/NTSC) 65 inches 16:9 Screen Size:horizontal 1442mm :Vertical 810mm (QH173, 16KB, CHIP1, UFO-*,BANK1) Vspan49.1mm Hspan115.0 392.3 294.3 147.3 147.3 294.3 392.3 31.0 690.0 575.0 345.0 115.0 115.0 345.0 575.0 690.0...
  • Page 16 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 17: 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 18: 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 19: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 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 Name of adjustment Preset...
  • Page 20: Location Of Controls

    LOCATION OF CONTROLS TV front VIDEO-S IN VOLUME CHANNEL MENU EXIT TV/VIDEO TOUCH FOCUS POWER L/MONO S-VIDEO VIDEO AUDIO INSIDE DOOR REAR : TV rear IR BLASTER AUDIO CENTOR CHANNEL IN S-VIDEO AUDIO Ω ANT(75 VIDEO VIDEO ANT1 MONO MONO AUDIO AUDIO AUDIO...
  • Page 21: Remote Control

    Remote Control Power turns the TV on or off SLEEP sets the TV to turn at a specific time LIGHT The initial press of the LIGHT button causes two actions: Channel Numbers (0–9, 100) allow direct access to channels MODE cycles through the 6 device modes FAVOURITE allows access to Multi-Window function PIC SIZE cycles through the three picure formats...
  • Page 22: Programming Channel Memory

    PROGRAMMING CHANNEL MEMORY The channel memory is the list of TV channel numbers the TV tunes in when you press the CHANNEL s or t button. First, use the TV/CABLE and CH PROGRAM functions to preset all active channels in your area automatically. If necessary, arrange the preset channels with the ADD/ERASE functions so that you can tune into only desired channels.
  • Page 23: Mechanical Disassembly

    MECHANICAL DISASSEMBLY 1 Speaker Grille Removal 2 Control Panel Removal 3 Front Mask Removal A101 (A001) A201 (A268) 2 screws K501 A202 K502 A140 K503 8 screws A143 A102 4 Shield Plate, Lens Removal 5 Mirror Removal 6 Back Board Removal 7 Light Box Removal 5 screws 4 screws...
  • Page 24 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 25 – – 26 –...
  • 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 : 65HDX82 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 26 Location Location Parts No. Description Parts No. Description * C417 C266 24105100 CERAMIC CHIP, 50V CH 10PF D 24503252 MT PLA CAP T 400V 304J C267 24100104 CERAMIC CHIP, 25V F 0.1UF Z C418 24073120 250V 33UF TOKU C268 24105101 CERAMIC CHIP, 50V CH 100PF J C420 24503041...
  • Page 27 Location Location Parts No. Description Parts No. Description C530 24669010 ELECTROLYTIC, 50V 1.0UF M 3A C780 24797470 ELECTROLYTIC, 50V 47UF M C531 24666101 ELECTROLYTIC, 16V 100UF M 3A C781 24212102 CERAMIC DISC, 50V B 1000PF K C532 24666100 ELECTROLYTIC, 10V 10UF M 3A C782 24797470 ELECTROLYTIC, 50V 47UF M...
  • Page 28 Location Location Parts No. Description Parts No. Description C876 24503041 PLASTIC FILM , 63V 0.1UF J C7740 24105331 CERAMIC CHIP, 50V CH 330PF J C877 24092347 CERAMIC DISC, 2KV R 1500PF K C7741 24105331 CERAMIC CHIP, 50V CH 330PF J C878 24503171 PLASTIC CAP T 630V 124J...
  • Page 29 Location Location Parts No. Description Parts No. Description CA72 24085970 ELECTROLYTIC, NONPOLAR, 16V 10UF M 7L CD47 24503047 PLASTIC FILM, 63V 0.33UF J CA73 24666100 ELECTROLYTIC, 10V 10UF M 3A CD48 24503047 PLASTIC FILM, 63V 0.33UF J CA80 24503041 PLASTIC FILM , 63V 0.1UF J CD49 24797010 ELECTROLYTIC, 50V 1UF M...
  • Page 30 Location Location Parts No. Description Parts No. Description CH309 24100104 CERAMIC CHIP, 25V F 0.1UF Z CH646 24105050 CERAMIC CHIP, 50V CH 5PF C CH310 24109472 CERAMIC CHIP, 50V B 4700PF K CH647 24105181 CERAMIC CHIP, 50V CH 180PF J CH311 24567104 PLASTIC FILM, 50V 0.1UF J CH661 24105100...
  • Page 31 Location Location Parts No. Description Parts No. Description CV04 24203100 ELECTORLYTIC, 16V 10UF M 7L 3A R207 24011102 CHIP, METAL FILM, 1/20W 1K OHM J CV05 24203100 ELECTORLYTIC, 16V 10UF M 7L 3A R208 24011332 CHIP, METAL FILM, 1/20W 3.3K OHM J CV08 24666471 ELECTROLYTIC, 16V 470UF M 3A...
  • Page 32 Location Location Parts No. Description Parts No. Description R303 24011102 CHIP, METAL FILM, 1/20W 1K OHM J R378 24366682 CARBON FILM, 1/6W 6.8K OHM J R304 24011102 CHIP, METAL FILM, 1/20W 1K OHM J R379 24366103 CARBON FILM, 1/6W 10K OHM J R305 24321129 OXIDE METAL FILM, 1/2W 1.2 OHM J...
  • Page 33 Location Location Parts No. Description Parts No. Description R463 24366103 CARBON FILM, 1/6W 10K OHM J R683 24011223 CHIP, METAL FILM, 1/20W 22K OHM J R464 24366332 CARBON FILM, 1/6W 3.3K OHM J R684 24011223 CHIP, METAL FILM, 1/20W 22K OHM J R465 24366474 CARBON FILM, 1/6W 470K OHM J...
  • Page 34 Location Location Parts No. Description Parts No. Description R788 24366683 CARBON FILM, 1/6W 68K OHM J R942 24568472 CERAMIC COVERED G 7W 4.7K J R789 24366683 CARBON FILM, 1/6W 68K OHM J R943 24366560 CARBON FILM, 1/6W 56 OHM J R790 24366751 CARBON FILM, 1/6W 750 OHM J...
  • Page 35 Location Location Parts No. Description Parts No. Description R4525 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R7849 24871102 CHIP, METAL FILM, 1/8W 1K OHM J R4527 24011102 CHIP, METAL FILM, 1/20W 1K OHM J R7861 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J R4528 24011102 CHIP, METAL FILM, 1/20W 1K OHM J...
  • Page 36 Location Location Parts No. Description Parts No. Description RA28 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RB52 24366123 CARBON FILM, 1/6W 12K OHM J RA30 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RB53 24366123 CARBON FILM, 1/6W 12K OHM J RA32 24011682 CHIP, METAL FILM, 1/20W 6.8K OHM J...
  • Page 37 Location Location Parts No. Description Parts No. Description RD09 24366104 CARBON FILM, 1/6W 100K OHM J RH302 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RD11 24366104 CARBON FILM, 1/6W 100K OHM J RH303 24011153 CHIP, METAL FILM, 1/2OW 15K OHM J RD12 24366101 CARBON FILM, 1/6W 100 OHM J...
  • Page 38 Location Location Parts No. Description Parts No. Description RH429 24011105 CHIP, METAL FILM, 1/20W 1M OHM J RR15 24011680 CHIP, METAL FILM, 1/20W 68 OHM J RH430 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J RR16 24011680 CHIP, METAL FILM, 1/20W 68 OHM J RH431 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RR17...
  • Page 39 Location Location Parts No. Description Parts No. Description RS683 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RV184 24011182 CHIP, METAL FILM, 1/20W 1.8K OHM J RS685 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RV185 24011182 CHIP, METAL FILM, 1/20W 1.8K OHM J RS686 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RV186 24011182...
  • Page 40 Location Location Parts No. Description Parts No. Description * L403 23248248 COIL, CHOKE, TLN3500AH L911 23289100 COIL, PEAKING, TRF4100AF L404 23248191 COIL, CHOKE, TLN3351AD L913 23289159 COIL, PEAKING 1.5MMH J 0405, TRF41R5AF L405 23103775 COIL, FERRITE CHOKE, TEM2014 L915 23289689 COIL, PEAKING, TRF46R8AF L406 23103775...
  • Page 41 Location Location Parts No. Description Parts No. Description LV05 23289560 COIL, PEAKING, TRF4560AF Q421 23114437 TRANSISTOR, 2SC752GTM-Y LV06 23289560 COIL, PEAKING, TRF4560AF Q431 70114402 TRANSISTOR, 2SC3437-Y LV10 23289100 COIL, PEAKING, TRF4100AF Q432 70114402 TRANSISTOR, 2SC3437-Y LV13 23289100 COIL, PEAKING, TRF4100AF Q434 70114402 TRANSISTOR, 2SC3437-Y...
  • Page 42 Location Location Parts No. Description Parts No. Description Q784 23314909 TRANSISTOR, 2SA1837 QB87 23205054 TRANSISTOR, KTA1504Y Q784B 23712306 SCREW, PP3X.5X6SZN QB88 23205054 TRANSISTOR, KTA1504Y Q785 23314912 TRANSISTOR, 2SC4793 QC01 23000040 IC, 4K BIT CMOS EEPROM, AT24C04N10SC Q785B 23712306 SCREW, PP3X.5X6SZN QC02 23205151 TRANSISTOR, FET, BSN20...
  • Page 43 Location Location Parts No. Description Parts No. Description QV39 23205054 TRANSISTOR, KTA1504Y D531 23316584 DIODE, ZENER CHIP VZ7.77-8.17V MA8082-L QV48 23114433 TRANSISTOR, 2SC1815-Y D532 23118822 DIODE, ERB12-02 QV49 23114433 TRANSISTOR, 2SC1815-Y D533 23316586 DIODE, ZENER, MA8082-H QV61 23205054 TRANSISTOR, KTA1504Y D534 23316792 DIODE, SC215...
  • Page 44 Location Location Parts No. Description Parts No. Description D906 23357012 DIODE, 1SS244 DC01 23118041 DIODE, MA111 D907 23357012 DIODE, 1SS244 DC02 23118041 DIODE, MA111 D908 23357012 DIODE, 1SS244 DC03 23118041 DIODE, MA111 D909 23357012 DIODE, 1SS244 DC04 23118041 DIODE, MA111 D912 23118859 DIODE, 1SS133...
  • Page 45 GJ40 24000445 CHIP JUMPER, 1608TYPE GJ41 24000445 CHIP JUMPER, 1608TYPE MISCELLANEOUS GJ61 24000445 CHIP JUMPER, 1608TYPE B110 23929684 BACK TERM BOARD 65HDX82 GJ62 24000445 CHIP JUMPER, 1608TYPE B224 23035412 SCREW, BTB4X12SZN GJ63 23103237 CHIP BEAD INDUCTOR 102OHM, TEM2141AD B230 23037312...
  • Page 46 65HDX82 AG20PC152F-L3N CABINET PARTS Z410 23110841 FOCUS PACK, TPA6030 Z410 23110847 FOCUS PACK, TPA6030BY A001 23411712 WOOD CAB SHIP 65HDX82 Z450A 23501755 ANODE CABLE, 400LD FBT-C A102 23527203 GRILLE, SPK GRILLE ASSY 65HX81 * Z801 23148734 MODULE, PROTECTOR, HIC1026A A139...
  • Page 47 PANEL, CONTROL PANEL ASSY 50HX81 A268 23540681 COVER, FRONT COVER 50HX81 A421 23540170 COVER, REAR BOARD 50A60 A424 23530340 BACK BOARD 65HDX82 A510 23030815 WOOD SCREW PTD #6 X 3/4 TNP LOCAL A519 23030815 WOOD SCREW PTD #6 X 3/4 TNP LOCAL A521 23030815...
  • Page 48 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 50 –...
  • Page 49 SIGNAL/CONV BOARD PD0639B BOTTOM (FOIL) SIDE – 51 – – 52 –...
  • Page 50 DEF/POWER BOARD PD0640B BOTTOM (FOIL) SIDE – 53 – – 54 –...
  • Page 51: Pc Boards Bottom View

    AV BOARD PD0646A-1 REM BOARD PD0646A-2 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE – 55 – – 56 –...
  • Page 52 DIGI-CONV BOARD PD0638D DPC BOARD PD0077D BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE Q423 Q323 C335 fh ADJ C338 R4034 R364 R4007 R4006 R363 C334 Q321 R362 R334 Q322 C322 C324 R327 C327 R326 R336 R325 C492 R322 C325 C344 R338 C342 R342 C439...
  • Page 53 CONV-SEN BOARD PD0079 BOTTOM (FOIL) SIDE P900 B1-V-O CRT DRIVE(RED) BOARD PD0641A-1 BOTTOM (FOIL) SIDE – 59 –...
  • Page 54 CRT DRIVE(GRN) BOARD PD0641A-2 BOTTOM (FOIL) SIDE CRT DRIVE(BLE) BOARD PD0641A-3 BOTTOM (FOIL) SIDE – 60 –...
  • Page 55 SVM-R BOARD PD0641A-4 BOTTOM (FOIL) SIDE SVM-G BOARD PD0641A-5 BOTTOM (FOIL) SIDE SVM-B BOARD PD0641A-6 BOTTOM (FOIL) SIDE – 61 –...
  • Page 56 FRONT-CONTROL BOARD PD0221A-1 BOTTOM (FOIL) SIDE SA01 CH UP EXIT VOL UP SA05 SA08 SA07 SA09 SA03 SA04 SA06 DEMO ANT/VIDEO VOL DN MENU DB01 PB13B SA02 RA76 CH DN B1-V-0 T-D FRONT-SEN BOARD PD0221A-4 BOTTOM (FOIL) SIDE DB03 PB22 FRONT-ALS BOARD PD0221A-1 FRONT-IN BOARD PD0221A-2 BOTTOM (FOIL) SIDE...
  • Page 57 WOW BOARD PD0645B BOTTOM (FOIL) SIDE – 63 –...
  • Page 58: 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 60: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 65HDX82 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 61: Circuit Block Diagram

    CIRCUIT BLOCK DIAGRAM 65HDX82 BLOCK DIAGRAM – 67 – – 68 –...
  • Page 62: Specifications

    0-300 mV(rms) (30% modulation equivalent, 4.7 kohm) AUDIO CENTER CHANNEL INPUT 300 mV(rms) (30% modulation equivalent, 10 kohm) DIMENSIONS/MASS Dimension (W/H/D) Mass 65HDX82 59-1/2 x 60-7/8 x 26.0 inches 299 lbs (1,511 x 1,546 x 660 mm) (136 kg) SUPPLIED ACCESSORIES Remote Control with 2 size “AA”...
  • Page 63 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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