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Toshiba 36AFX61 Service Manual

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FILE NO. 020-200108

SERVICE MANUAL

COLOR TELEVISION
N1NS Chassis
36AFX61 , 32AFX61
(TAC0125)
(TAC0126)
PUBLISHED IN JAPAN. Jun., 2001 So

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  Summary of Contents for Toshiba 36AFX61

  • Page 1: Service Manual

    FILE NO. 020-200108 SERVICE MANUAL COLOR TELEVISION N1NS Chassis 36AFX61 , 32AFX61 (TAC0125) (TAC0126) PUBLISHED IN JAPAN. Jun., 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 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 once 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 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

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 36" HIGH VOLTAGE AT ZERO BEAM: 32.7 kV MAX HIGH VOLTAGE: 34.1 kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Name of adjustment Preset Data Item Name of adjustment Preset...
  • Page 15: Location Of Controls

    LOCATION OF CONTROLS (Representative: 36AFX61) 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 TV/VIDEO Remote Sensor Power Indicator TV Rear AUDIO CENTER ANT(75...
  • Page 16 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

    C212 24794100 EL, 100?F, ±20%, 16V EL, 1?F, ±20%, 50V C420 24666101 C213 24206010 EL, 22?F, ±20%, 16V C423 24829433 PF, 0.043?F, 400V (36AFX61) C214 24794220 EL, 47?F, ±20%, 16V, C423 24829393 PF, 0.039?F, 400V (32AFX61) C260 24085967 C430 24232103 CD, 0.01?F, +80%, -20%...
  • Page 20 PF, 0.1?F, 63V C675 24667470 EL, 4.7?F, ±20%, 50V C482 24539474 PF, 0.47?F C676 24797479 * C491 24082925 PF, 0.62?F, 315V (36AFX61) C677 24591102 PF, 1000pF * C491 24082923 PF, 0.51?F, 315V (32AFX61) C678 24591102 PF, 1000pF CD, 120pF, ±10%, 500V...
  • Page 21 Location Location Part No. Description Part No. Description C873 24567224 PF, 0.22?F CA69 24232103 CD, 0.01?F, +80%, -20% CD, 100pF, ±10% C874 24435221 CD, 220pF, 500V CA71 24474101 EL, 10?F, ±20%, 16V, C875 24435221 CD, 220pF, 500V CA72 24085970 C876 24503041 PF, 0.1?F, 63V Non-Polar...
  • Page 22 EL, 10?F, ±20%, 16V CV04 24203100 R310 24366102 CF, 1k ohm EL, 10?F, ±20%, 16V CV05 24203100 R312 24366103 CF, 10k ohm (36AFX61) EL, 1000?F, ±20%, 16V CV08 24666102 R313 24366153 CF, 15k ohm CV11 24232103 CD, 0.01?F, +80%, -20% R317...
  • Page 23 Location Location Part No. Description Part No. Description R413 24366102 CF, 1k ohm R636 24366101 CF, 100 ohm R415 24553272 OMF, 2700 ohm, 1W R637 24366101 CF, 100 ohm R416 24510562 Cement, 5600 ohm, 5W R638 24366101 CF, 100 ohm R424 24545278 FR, 0.27 ohm, 1/4W...
  • Page 24 24338129 MF, 1.2 ohm, 1W R919 24366102 CF, 1k ohm R3442 24005016 Metal-Glazed Resistor, R920 24000883 FR, 3.6 ohm, 1W (36AFX61) 180k ohm, 1/2W R920 24000568 FR, 4.7 ohm, 1W (32AFX61) R3443 24005016 Metal-Glazed Resistor, R921 24366561 CF, 560 ohm...
  • Page 25 Location Location Part No. Description Part No. Description RA13 24366102 CF, 1k ohm RB49 24366331 CF, 330 ohm RA15 24366102 CF, 1k ohm RB75 24366472 CF, 4700 ohm RA16 24366102 CF, 1k ohm RB76 24366103 CF, 10k ohm RA17 24366102 CF, 1k ohm RB77 24366222...
  • Page 26 L894 23103880 Coil (Ferrite Bead), TEM2011Y RW04 24366223 CF, 22k ohm L901 23200447 Coil, Degaussing, TSB-2407AK RW05 24366102 CF, 1k ohm (36AFX61) RW06 24366101 CF, 100 ohm L901 23200454 Coil, Degaussing, TSB-2412AK RW07 24366222 CF, 2200 ohm (32AFX61) RW08 24366101...
  • Page 27 Q719 23114528 Transistor, 2SC1740S, Q TLN1098AH Q720 23114528 Transistor, 2SC1740S, Q * T461 23236672 Transformer, Flyback, Q801 23135017 IC, STR-Z4316 TFB4172AD (36AFX61) Q805 23114459 Transistor, RN1205 * T461 23236718 Transformer, Flyback, Q830 23314141 Transistor, 2SC3852 TFB4166BH (32AFX61) Q840 23318299 IC, L78MR05...
  • Page 28 23118859 Diode, 1SS133 QB87 23114530 Transistor, 2SA933S-Q D474 23316719 Diode, Zener, MTZJ12B QB88 23114530 Transistor, 2SA933S-Q D477 23118859 Diode, 1SS133 (36AFX61) QD01 23905002 IC, TA8173AP D480 23316757 Diode, Zener, MTZJ36A QJ02 23114528 Transistor, 2SC1740S, Q D490 23316718 Diode, Zener, MTZJ12A...
  • Page 29 TUNER TUNER TUNER TUNER TUNER G306 24366222 CF, 2200 ohm H001 23321411 Tuner, EL967LW G312 24503039 PF, 0.068?F, 63V (36AFX61) HY01 23321412 Tuner, EL963L CC, 22k ohm, ±10%, 1/2W G403 24946223 G501 24366101 CF, 100 ohm ACCESSORIES ACCESSORIES ACCESSORIES ACCESSORIES...
  • Page 30 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 30 –...
  • Page 31: Pc Boards Bottom View

    SIGNAL BOARD PB9635 BOTTOM (FOIL) SIDE – 31 – – 32 –...
  • Page 32 POWER/DEF BOARD PB9631 BOTTOM (FOIL) SIDE – 33 – – 34 –...
  • Page 33 CRT DRIVE BOARD PB9973 BOTTOM (FOIL) SIDE – 35 –...
  • Page 34 BACK A/V BOARD PB9633 BOTTOM (FOIL) SIDE – 36 –...
  • Page 35 CONTROL-1 BOARD PB9570 BOTTOM (FOIL) SIDE – 37 –...
  • Page 36 CONTROL-2 BOARD PB9571 BOTTOM (FOIL) SIDE – 38 –...
  • Page 37: 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 38 MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................– 40 –...
  • Page 39: Specifications

    SPECIFICATIONS (Representative: 36AFX61) 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 40 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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