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Toshiba 36HFX71 Service Manual

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FILE NO. 020-200116

SERVICE MANUAL

COLOR TELEVISION
N1PS Chassis
36HFX71 , 32HFX71
(TAC0130)
(TAC0132)
PUBLISHED IN JAPAN. Jul., 2001 So

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Summary of Contents for Toshiba 36HFX71

  • Page 1: Service Manual

    FILE NO. 020-200116 SERVICE MANUAL COLOR TELEVISION N1PS Chassis 36HFX71 , 32HFX71 (TAC0130) (TAC0132) PUBLISHED IN JAPAN. Jul., 2001 So...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS ............................3 SET-UP ADJUSTMENT ............................4 SERVICE MODE ..............................8 ELECTRICAL ADJUSTMENTS ..........................11 CIRCUIT CHECKS ..............................13 CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA ..........................14 LOCATION OF CONTROLS ........................... 15 PROGRAMMING CHANNEL MEMORY .........................

  • 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 hazard- 2. This receiver is equipped with a Fail Safe (FS) circuit which ous X-RAY RADIATION.

  • Page 4: Set-Up Adjustment

    WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL. SET-UP ADJUSTMENT The following adjustments should be made when a complete realignment is required or a new picture tube is installed. Perform the adjustments in order as follows : 1.
  • Page 5 CONVERGENCE ADJUSTMENTS 4-POLE NOTE: Before attempting any convergence adjustments, MAGNETS the receiver should be operated for at least fifteen 6-POLE minutes. MAGNETS CENTER CONVERGENCE ADJUSTMENT 1. Display built-in cross-dot pattern using the TEST SIG- NAL SELECTION function. 2. Adjust the BRIGHTNESS and CONTRAST Controls for well defined pattern.
  • Page 6 WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF SERVICE MANUAL. (SET-UP ADJUSTMENT FOR FLAT TUBE) The following adjustments should be made when a complete realignment is required or a new picture tube is installed. Perform the adjustments in order as follows : 1.
  • Page 7 (5)Adjust the sub-4-pole magnets only in case there is any deviation of Xv bow-shaped convergence. (To be usually set at the initial position) Align both sides with the sub-4-pole magnets and minimize the deviation of blue and red with the main 4-pole magnets. Xv bow-shaped deviation of convergence red/blue blue...

  • Page 8: 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. 1/2 MUTE MUTE (Service mode display) 2.
  • Page 9 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 14) 5.
  • Page 10 8. SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s are executed properly. 2) During diagnosis, the following displays are shown. SELF CHECK NO.

  • Page 11: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS ITEM ADJUSTMENT PROCEDURE FOCUS VR ADJ 1. Enter the service mode, then select any register item. 2. Press the TV/VIDEO button on the Remote until the black cross-bar pattern ap- pears on the screen. 3. Adjust the FOCUS control (on T461) for well defined scanning lines on the picture screen.
  • Page 12 ITEM ADJUSTMENT PROCEDURE E-W PARABOLA (DPC) 1. Call up the adjustment mode display, then select the item PARA. (PARA) 2. Press the TV/VIDEO button on Remote until the cross-hatch pattern appears on the screen. 3. Press the VOLUME s or t button to make vertical lines straight as shown below. HORIZONTAL POSITION 1.

  • Page 13: Circuit Checks

    CIRCUIT CHECKS HIGH VOLTAGE CHECK Troubleshooting Guide for Fail Safe Circuit CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps below. Check that the set returns to normal operation when pin 12 1.

  • Page 14: Chapter 2 Specific Informations

    ← VPS2 V-SHIFT OPT1 ← ← V-COMPENSATION OPT2 ← ← PICTURE WIDTH TVOP ← PARA E-W PARABOLA Table-2 OPTION: (PROGRESSIVE 4:3 DV) OPT1 (2CAH) OPT2(2CBH) MODELS 36HFX71 32HFX71 Table-3 CIRCUIT CHECKS FBT DETECTION VOLTAGE 18.9 V Table-4 – 14 –...

  • Page 15: Location Of Controls

    LOCATION OF CONTROLS TV Front MENU Video/Audio inputs VOLUME ts (Video 3) CHANNEL ts DEMO MENU TV/VIDEO VOLUME CHANNEL POWER VIDEO-3 IN S-VIDEO AUDIO VIDEO L/MONO POWER DEMO ANT/VIDEO Remote sensor TV Rear ANT(75 ANT-1 ANT-2 S-VIDEO COLOR COLOR VIDEO STREAM STREAM VIDEO...

  • Page 16: 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 INFO allows access to Multi-Window function...

  • Page 17: Programming Channel Memory

    PROGRAMMING CHANNEL MEMORY The channel memory is the list of TV channel numbers your TV will stop on 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 18: Circuit Block Diagram

    – 18 –...

  • Page 19: Chassis And Cabinet 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. Model : 36HFX71/32HFX71 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 20 24669010 ELECTROLYTIC, 50V 1.0UF M 3A * C491 24082645 PLASTIC FILM CF92 T 400V R22UF J C676 24503041 MT PLA CAP 63V 0.1UF J (36HFX71) C677 24503041 MT PLA CAP 63V 0.1UF J * C491 24082910 CF92T2F154J (32HFX71) C678 24669010 ELECTROLYTIC, 50V 1.0UF M 3A...
  • Page 21 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description C842 24792101 ELECTROLYTIC CE04G 6.3V 100UF M...
  • Page 22 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CB01 24794470 ELECTORLYTIC CE04G 16V 47UF M...
  • Page 23 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CS676 24100103 CERAMIC CHIP CK73F 50V 10000PF Z CX147 24619042...
  • Page 24 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CX301 24619151 MENJISSOU TYP 6.3V470U CX384 24092538...
  • Page 25 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CY605 24100104 CERAMIC CHIP CK73F 25V 100000PF Z CZ60...
  • Page 26 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R315 24011474 METAL FILM CHIP 1/20W 470K J...
  • Page 27 OXIDE METAL FILM, 1/2W 220 OHM J R919 24366102 CARBON FILM, 1/6W 1K OHM J R709 24366563 CARBON FILM, 1/6W 56K OHM J R920 24339159 METAL FILM 2W 1R5 J (36HFX71) R713 24366393 CARBON FILM, 1/6W 39K OHM J R920 24000879 FRN98Z3D519 (32HFX71) R715 24366273...
  • Page 28 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R963 24383153 OXIDE METAL FILM, 2W 15K OHM J...
  • Page 29 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RA42 24011151 CHIP, METAL FILM, 1/20W 150 OHM J...
  • Page 30 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RD117 24366472 CARBON FILM, 1/6W 4.7K OHM J RS112...
  • Page 31 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RV121 24011100 CHIP, METAL FILM, 1/20W 10 OHM J RX134 24011471...
  • Page 32 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RX218 24011222 METAL FILM CHIP 1/20W 2.2K J RX347 24011100...
  • Page 33 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RX831 24011100 CHIP, METAL FILM, 1/20W 10 OHM J RY661 24011102...
  • Page 34 COIL, PEAKING, TRF4100AZ LX249 23103823 COIL, COMMONMODE TEM2027D L901 23200447 COIL, DG1.10CU T-2LOOP TSB-2407AK LX260 23103906 FILTER, CHIP BEAD INDUCTOR TEM2118AS (36HFX71) LX262 23103906 FILTER, CHIP BEAD INDUCTOR TEM2118AS L901 23200455 COIL, TSB-2412AT (32HFX71) LX263 23103906 FILTER, CHIP BEAD INDUCTOR TEM2118AS...
  • Page 35 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description LX265 23103906 FILTER, CHIP BEAD INDUCTOR TEM2118AS...
  • Page 36 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Q402 A6325413 TRANSISTOR, 2SC22350 (FA-1)
  • Page 37 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description QA71 23205057 TRANSISTOR, CHIP 50V 150MA SM...
  • Page 38 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description QX243 23905927 IC, TC7SH32FU(BRA QZ18...
  • Page 39 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description D611 23118041 DIODE, MA111...
  • Page 40 24000445 CHIP JUMPER, 1608TYPE PC BOARD ASSEMBLIES JX551 24000445 CHIP JUMPER, 1608TYPE JX553 24000445 CHIP JUMPER, 1608TYPE U801 23786377 POW/DEF BOARD, PD0159A (36HFX71) JX561 24000445 CHIP JUMPER, 1608TYPE U801 23786388 POW/DEF BOARD, PD0159B (32HFX71) JX563 24000445 CHIP JUMPER, 1608TYPE U802...
  • Page 41 Parts No. Description Description Description Description Description U803 23786789 LOWB/VERT BOARD, PB9567B (32HFX71) U901 23786790 CRT/D VM BOARD, PD0164A (36HFX71) U901 23786381 CRT/D VM BOARD, PD0164B (32HFX71) U902 23786380 SIGNAL BOARD, PD0162A UA01 23786956 CONT-1 BOARD, PB9570B (36HFX71) UA01 23786957...
  • Page 42 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description THIS PAGE IS INTENTIONALLY LEFT BLANK.

  • Page 43: Pc Boards Bottom View

    SIGNAL BOARD PD0162 BOTTOM (FOIL) SIDE – 43 – – 44 –...
  • Page 44 POWER/DEF BOARD PD0159 BOTTOM (FOIL) SIDE – 45 – – 46 –...
  • Page 45 CRT-D/VM BOARD PD0164 BOTTOM (FOIL) SIDE – 47 –...
  • Page 46 AC IN BOARD PD0161 BOTTOM (FOIL) SIDE LOW B BOARD PB9567 BOTTOM (FOIL) SIDE – 48 –...
  • Page 47 CONTROL-1 BOARD PB9570 BOTTOM (FOIL) SIDE – 49 –...
  • Page 48 CONTROL-2 BOARD PB9571 BOTTOM (FOIL) SIDE – 50 –...
  • Page 49 WOW BOARD PD0220 BOTTOM (FOIL) SIDE – 51 –...
  • Page 50 NEXT HYPER BOARD PD0264 BOTTOM (FOIL) SIDE – 52 –...

  • Page 51: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 (old) 2SD1763A 2SA562TM 2SC2482 2SC5243 2SC1569 2SA1015 2SC2655 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 2SD1554 ON4409 RN2203 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SC5143 RN1204 2SC5570 RN2204 2SD2553 RN1205 RN1202 RN1201...
  • Page 52 MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................– 54 –...

  • Page 53: Specifications

    SPECIFICATIONS(Represenlative: 36HFX71) TELEVISION SYSTEM NTSC standard CHANNEL COVERAGE VHF: 2 through 13 UHF: 14 through 69 Cable TV: mid band (A-8 through A-1, A through I) super band (J through W) hyper band (AA through ZZ, AAA, BBB) ultra band (65 through 94, 100 through 125)
  • Page 54 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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32hfx71

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