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Toshiba 30H83 Service Manual
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Toshiba 30H83 Service Manual

Toshiba 30H83 Service Manual

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FILE NO. 070-200331
SERVICE MANUAL
COLOR TELEVISION
N3WS Chassis
30H83
(TAC0324)
DOCUMENT CREATED IN JAPAN, Jan., 2004

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  • Page 1 FILE NO. 070-200331 SERVICE MANUAL COLOR TELEVISION N3WS Chassis 30H83 (TAC0324) DOCUMENT CREATED IN JAPAN, Jan., 2004...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS ............................3 SET-UP ADJUSTMENT ............................4 SERVICE MODE ..............................6 ELECTRICAL ADJUSTMENTS ..........................9 CIRCUIT CHECKS ..............................11 CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA ..........................12 LOCATION OF CONTROLS ........................... 13 ADDING CHANNELS TO THE TV'S 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 hazardous 2. This receiver is equipped with a Fail Safe (FS) circuit which 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 SERVICE MANUAL. SET-UP ADJUSTMENT FOR FLAT TUBE I 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 (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 6: 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 7 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 12) 5.
  • Page 8 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 9: 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 10 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 11: 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 12: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 30" HIGH VOLTAGE AT ZERO BEAM: 30.0 kV MAX HIGH VOLTAGE: 35.0 kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: NORMAL NORMAL Preset Item Name of adjustment Preset Item Name of adjustment...

  • Page 13: Location Of Controls

    LOCATION OF CONTROLS TV Front Remote sensor Power indicator MENU L/MONO MENU TV/VIDEO VOLUME CHANNEL POWER S-VIDEO VIDEO AUDIO VIDEO-3 IN Video-3 Channel MENU TV/VIDEO Video/audio inputs (behind the door) POWER Volume TV Rear ANT OUT ANT-2 IN DVI/HDCP IN ANT-1 IN ANT( 75 DVI/HDCP IN...
  • Page 14 Remote Control POWER TV / VIDEO RECALL POWER INFO INFO (CBL/SAT only) Chann umbers (0-9) CHRTN +10 (DVD only) GUIDE (CBL/SAT only) TOP MENU (DVD only) 89; : (DVD only) MENU DVDMENU ENTER CLEAR (DVD only) Device Switch CBL/SAT CH 89 POP DIRECT CH MUTE SLEEP PAUSE...

  • Page 15: 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. Programming channels automatically Your TV can automatically detect all active channels in your Press 8 ( ) or 9 ( ) to highlight ADD/ERASE.

  • Page 16: 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 : 30H83 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 17 Location Location Parts No. Description Parts No. Description C525 24109103 CERAMIC CHIP, 50V B 0.01UF K C806 24092623 CERAMIC DISC, 250V F 0.01UF Z C526 24109103 CERAMIC CHIP, 50V B 0.01UF K C807 24214103 CERAMIC DISC, 500V B 0.01UF K C527 24109103 CERAMIC CHIP, 50V B 0.01UF K...
  • Page 18 Location Location Parts No. Description Parts No. Description C905 24436391 CERAMIC DISC, 50V SL 390PF J CA31 24092538 CERAMIC CHIP, 10V F 1UF Z C907 24436561 CERAMIC DISC, 50V SL 560PF J CA33 24100103 CERAMIC CHIP, 50V F 0.01UF Z C909 24679220 ELECTROLYTIC, 250V 22UF M 3A...
  • Page 19 Location Location Parts No. Description Parts No. Description CI10 24105180 CERAMIC CHIP, 50V CH 18PF J CV04 24100104 CERAMIC CHIP, 25V F 0.1UF Z CI11 24105270 CERAMIC CHIP, 50V CH 27PF J CV05 24092621 CERAMIC CHIP, 10V B 1UF K CI12 24797478 ELECTROLYTIC, 50V 0.47UF M...
  • Page 20 Location Location Parts No. Description Parts No. Description CY505 24105120 CERAMIC CHIP, 50V CH 12PF J R373 24011102 CHIP, METAL FILM, 1/20W 1K OHM J CY506 24109103 CERAMIC CHIP, 50V B 0.01UF K R374 24011102 CHIP, METAL FILM, 1/20W 1K OHM J CY508 24092730 CERAMIC CHIP, 16V B 0.1UF K R376...
  • Page 21 Location Location Parts No. Description Parts No. Description R526 24000445 CHIP JUMPER, 1608TYPE R737 24366681 CARBON FILM, 1/6W 680 OHM J R547 24011680 CHIP, METAL FILM, 1/20W 68 OHM J R738 24366102 CARBON FILM, 1/6W 1K OHM J R548 24011680 CHIP, METAL FILM, 1/20W 68 OHM J R739 24366681...
  • Page 22 Location Location Parts No. Description Parts No. Description R930 24366180 CARBON FILM, 1/6W 18 OHM J R2159 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R932 24366332 CARBON FILM, 1/6W 3.3K OHM J R2160 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R933 24545150 FUSIBLE, 1/4W 15 OHM J...
  • Page 23 Location Location Parts No. Description Parts No. Description R4820 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RA374 24000445 CHIP JUMPER, 1608TYPE R5020 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RA384 24000445 CHIP JUMPER, 1608TYPE R5030 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RA394 24000445 CHIP JUMPER, 1608TYPE RA01...
  • Page 24 Location Location Parts No. Description Parts No. Description RI04 24011470 CHIP, METAL FILM, 1/20W 47 OHM J RS29 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RI05 24011361 CHIP, 1/20W 360 OHM J RS30 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RI06 24011519 METAL FILM CHIP, 1/16W 5.1 J...
  • Page 25 Location Location Parts No. Description Parts No. Description RV09 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RY103 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RV10 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RY104 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RV11 24011101 CHIP, METAL FILM, 1/20W 100 OHM J...
  • Page 26 Location Location Parts No. Description Parts No. Description L442 23248302 COIL, CHOKE, TLN3521GH LI56 23289180 COIL, PEAKING, TRF4180AF L450 23248305 COIL, CHOKE, TLN3346GH LI57 23289228 COIL, PEAKING, TRF4R22AF L451 23233100 COIL, TLN2110AH * LJ901 23200443 COIL, DG, TASB2406AG * L461 23248310 COIL, CHOKE, TLN3500GH LV02...
  • Page 27 Location Location Parts No. Description Parts No. Description Q410 23314994 TRANSISTOR, 2SA1576A106 Q913 23114425 TRANSISTOR, 2SA1015-Y(TE Q418 23314141 TRANSISTOR, 2SC3852 Q914 23114433 TRANSISTOR, 2SC1815-Y Q418B 70391355 SCREW, BIND HEAD TAP-TITE B, Q2104 23314962 TRANSISTOR, KTA1266 Y BITTB 3X8 SZN Q2105 23314962 TRANSISTOR, KTA1266 Y Q425 23314993...
  • Page 28 Location Location Parts No. Description Parts No. Description QS101 23906597 IC, BA4558F D470 23316758 DIODE, ZENER, MTZJ36B QS102 23114493 TRANSISTOR, RN2404 D471 23357366 DIODE, FR105-B5 QS103 70114396 TRANSISTOR, 2SC3326B D475 23316720 DIODE, ZENER, MTZJ12C QS104 70114396 TRANSISTOR, 2SC3326B D476 23118859 DIODE, 1SS133 QS120 23906597 IC, BA4558F...
  • Page 29 Location Location Parts No. Description Parts No. Description D907 23118859 DIODE, 1SS133 BB14B 23713013 CONNECTOR, SOCKET, B-B 16P 1.5 D908 23118859 DIODE, 1SS133 BB50A 23713014 CONNECTOR, BRIDGE PLUG 16P 1.5 D909 23118859 DIODE, 1SS133 BB50B 23713013 CONNECTOR, SOCKET, B-B 16P 1.5 D911 23115337 DIODE, 1S1834...
  • Page 30 JACK, PIN 10P SMK, LAP5120-0401FC A701 23067438 CARTON, CARTON, 30H83 PV05 23023095 JACK, PIN 8P SMK, LAP5120-0411FC A703 23946640 PACKING, TOP PACKING, 30H83 S601 23344456 SWITCH, SLIDE SK22F28G9A MORNI A708 23946641 PACKING, BOTTOM PACKING, 30H83 SA01 23145227 SWITCH, PUSH, 1C1P...

  • Page 31: Pc Boards Bottom View

    SIGNAL BOARD PD1086B BOTTOM (FOIL) SIDE – 32 – – 31 –...
  • Page 32 POWER/DEF BOARD PD1087B BOTTOM (FOIL) SIDE – 33 – – 34 –...
  • Page 33 CONT BOARD PD1266-1 BOTTOM (FOIL) SIDE – 35 – – 36 –...
  • Page 34 LED BOARD PD1266-2 VERT BOARD PD1090B BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE AC-IN BOARD PD1091A BOTTOM (FOIL) SIDE IF BOARD PD1022B BOTTOM (FOIL) SIDE – 37 – – 38 –...
  • Page 35 CRT-D/SVM BOARD PD1173C BOTTOM (FOIL) SIDE – 39 –...

  • Page 36: 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 37 SCHEMATIC DIAGRAM MODEL : 30H83 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 38 – 42 –...

  • Page 39: Specifications

    SPECIFICATIONS Television System Dimensions NTSC standard Width 29-11/16 inches (754 mm) Height 21-5/8 inches (549 mm) Channel Coverage Depth 21-1/2 inches (546 mm) VHF: 2 through 13 UHF: 14 through 69 Mass Cable TV: Mid band (A-8 through A-1, A through I) xxx lbs (xx kg) Super band (J through W) Hyper band (AA through ZZ, AAA, BBB)
  • Page 40 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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