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Toshiba 52HMX84 Service Manual
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Toshiba 52HMX84 Service Manual

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SERVICE MANUAL
Projection Television
All manuals and user guides at all-guides.com
FILE NO. 020-200418
52HMX84
62HMX84
DOCUMENT CREATED IN JAPAN, Aug., 2004

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  • Page 1 All manuals and user guides at all-guides.com FILE NO. 020-200418 SERVICE MANUAL Projection Television 52HMX84 62HMX84 DOCUMENT CREATED IN JAPAN, Aug., 2004...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com TABLE OF CONTENTS CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS .............................. 3 SERVICE MODE ................................4 ELECTRICAL ADJUSTMENT ............................7 SPECIFIC INFORMATIONS CHAPTER 2 SETTING & ADJUSTING DATA ............................8 LOCATION OF CONTROLS ............................9 PROGRAMMING CHANNEL MEMORY ........................

  • Page 3: Chapter 1 General Adjustments

    All manuals and user guides at all-guides.com CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS SAFETY PRECAUTION WARNING: Service should not be attempted by anyone unfamiliar with the necessary precautions on this receiver. The following are the necessary precautions to be observed before servicing this chassis. 1.

  • Page 4: Service Mode

    All manuals and user guides at all-guides.com 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.
  • Page 5 All manuals and user guides at all-guides.com 6. 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.
  • Page 6 All manuals and user guides at all-guides.com 7. LED indicationsn The green and red LED lights on the TV control touchpad Control touchpad on TV front (on the lower right corner of the TV screen) indicate the TV's current status, as follows: Green ON = Control touchpad being pressed.

  • Page 7: Electrical Adjustment

    All manuals and user guides at all-guides.com ELECTRICAL ADJUSTMENT DLE-PJTV (52HM84) Adjustment Method Adjustment ITEM Process /Instructions Remark 1. Make TV to be in 'M'. [OSD INDICATION] Offset Voltage 2. Connect 10 Step video signal (1080i) to 'Color During Adjustment ; 'A/D ADJUSTING' (Scaler board) Stream1'.

  • Page 8: Chapter 2 Specific Informations

    All manuals and user guides at all-guides.com CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Name of adjustment Preset Data Item Name of adjustment Preset Data RCUT R CUT OFF OPT2 TV SET OPTION GCUT...

  • Page 9: Location Of Controls

    All manuals and user guides at all-guides.com LOCATION OF CONTROLS Front Control touchpad on TV front (Gently touch the printed keys.) MENU EXIT zyx • TV/VIDEO POWER TV/VIDEO EXIT CHANNEL VOLUME MENU POWER TV/VIDEO EXIT CHANNEL VOLUME MENU POWER Volume x • Green and Red Remote control sensor Channel zy...
  • Page 10 All manuals and user guides at all-guides.com Remote Control turns the TV on and off. POWER Press POWER to turn the TV on. The Red LED indicator will be illuminated. Press POWER again to turn the TV off. Note: If the Quick Restart feature is in OFF mode, it can take up to several seconds for the picture to appear.

  • Page 11: Programming Channel Memory

    All manuals and user guides at all-guides.com PROGRAMMING CHANNEL MEMORY Adding channels to the TV’s memory When you press Channel y or z, your TV will stop only on the Note: channels stored in the TV’s channel memory. To tune the TV to a channel not programmed in the channel memory, you must use the Follow the steps below and on the next page to program all active Channel Number buttons on the remote...
  • Page 12 All manuals and user guides at all-guides.com Adding and erasing channels manually After you have programmed the channels automatically, you can manually add or erase specific channels. Control touchpad on TV front To add or erase channels: 1. Select the channel you want to add or erase. If you are adding a channel, you must select the channel using the Channel Number TV/VIDEO EXIT...

  • Page 13: Lamp Unit Replacement

    All manuals and user guides at all-guides.com LAMP UNIT REPLACEMENT Cautions when replacing LAMP UNIT The light source for this TV is a mercury lamp with internal atmospheric pressure that increases during use. The lamp has a limited service life that varies depending on user settings.
  • Page 14 All manuals and user guides at all-guides.com Turn off the TV and unplug the power cord. Grasp the lamp unit handle and gently pull the lamp unit straight out of the TV. Set the old lamp unit aside. STOP! Allow the lamp to cool for at least one (1) hour before replacing it.
  • Page 15 All manuals and user guides at all-guides.com Reattach the lamp unit door, making sure to insert the hook on the left side of the lamp unit door inside the opening in the TV cabinet. Replace the thumb screw and hand-tighten. Plug in the power cord and turn on the TV.

  • Page 16: Light Engine Replacemant

    All manuals and user guides at all-guides.com LIGHT ENGINE REPLACEMENT 1-2. Adjustment is made by service mode. The adjusting Cautions when replacing LIGHT ENGINE items consist of CWDL, CWDH and DMDB. LIGHT ENGINE is a heart of TV which emits high heat. CWDL CWDH Make sure to replace it after turning off the TV and wait...
  • Page 17 All manuals and user guides at all-guides.com Conversion Table for Decimal and Hexadecimal Numbers CW delay number CWDH CWDL CW delay number CWDH CWDL CW delay number CWDH CWDL CW delay number CWDH CWDL CW delay number CWDH CWDL 0000 0375 0750 1125...

  • Page 18: Parts Replacement In Light Engine

    All manuals and user guides at all-guides.com PARTS REPLACEMENT IN LIGHT ENGINE 2-3. Detach the ballast power unit by removing 4 substrate FAN Replacement stoppers that hold the ballast power unit. 1-1. For replacing FAN for cooling heatsink, remove 2 screws.

  • Page 19: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW W661 12 screws 4 screws K601 12 screws A101 12 screws W662 4 screws 2 screws 1 screw UV03 A227 4 screws A333 A201 A222 A101 A278 3 screws A271 A215 A204 2 screws 2 screws...

  • Page 20: Mechanical Disassembly

    All manuals and user guides at all-guides.com MECHANICAL DISASSEMBLY 1 Bezel Ass'y Removal 2 Mirror Removal 12 screws K601 (MIRROR) A101 A201 4 screws 12 screws 3 Back Cover Removal 4 Speaker & Touchpad Removal A101 4 screws A204 4 screws 2 screws A227 1 screw...
  • Page 21 • 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 : 52HMX84/62HMX84 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 22 All manuals and user guides at all-guides.com Location Location Parts No. Description Parts No. Description C8240 24073038 ELECTROLYTIC, 16V 100UF M 3A CV04 24100104 CERAMIC CHIP, 25V F 0.1UF Z C8241 24503047 PLASTIC FILM, 63V 0.33UF J CV05 24092621 CERAMIC CHIP, 10V B 1UF K C8242 24073141 ELECTROLYTIC CE04P 10V 1000UF M 3A...
  • Page 23 All manuals and user guides at all-guides.com Location Location Parts No. Description Parts No. Description CY541 24761102 ELECTROLYTIC CE04G, 6.3V 1000UF M R847 24366473 CARBON FILM, 1/6W 47K OHM J CY582 24105101 CERAMIC CHIP, 50V CH 100PF J R848 24366102 CARBON FILM, 1/6W 1K OHM J R849 24552470...
  • Page 24 All manuals and user guides at all-guides.com Location Location Parts No. Description Parts No. Description RA85 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RV03 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RA86 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RV06 24011101 CHIP, METAL FILM, 1/20W 100 OHM J...
  • Page 25 All manuals and user guides at all-guides.com Location Location Parts No. Description Parts No. Description RY511 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J L885 23103145 FERRITE CHOKE, TEM2011AA RY512 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J L886 23103145 FERRITE CHOKE, TEM2011AA RY513 24011152...
  • Page 26 All manuals and user guides at all-guides.com Location Location Parts No. Description Parts No. Description Q8902 23314965 TRANSISTOR, KTC3198 Y D628 23316597 DIODE, ZENER, MA8120-M Q8904 23314962 TRANSISTOR, KTA1266 Y D801 23316393 DIODE, VRM=600V IO=6A SIP D5SB60, 4009 F05 Q8911 23314965 TRANSISTOR, KTC3198 Y D840...
  • Page 27 FERRITE CORE, TFE1012 UA06 23761341 PC BD ASSY, FRONT KEY 57HL83 PU PD1503 M811A 23103778 FERRITE CORE, TFE1008 UD02 #1 23148134 PC BOARD ASSY, SCALER 52HMX84 B910PD1870D1 M905A 23103778 FERRITE CORE, TFE1008 #2 23148135 PC BOARD ASSY, SCALER 62HMX84 B910PD1870E1 M905E 23103840...
  • Page 28 BRACKET, SPEED CLIP A305 23717197 SCREW, THUMB SCREW A306 23717198 SCREW, THUMB SCREW RETAINER A329 #1 23940118 PIECE, SCREEN FRAME DECO PIECE 52HMX84 #2 23940120 PIECE, SCREEN FRAME DECO PIECE 62HMX84 A333 23450837 PANEL, A/V MOUNT PURCHASE ASSY A401 23532768...
  • Page 29 All manuals and user guides at all-guides.com BACK AV BOARD PD1774B (U103) BOTTOM (FOIL) SIDE PV04 PB60 PS01 PV14 CV253 11 10 9 5 4 3 2 1 RY587 RY596 CV253 PX18 PX19 RY594 DV250 DV249 DV01 CV254 DV244 CV255 DV03 QV009 QV009...
  • Page 30 All manuals and user guides at all-guides.com BACK AV BOARD PD1774B (U103) TOP (COMPONENT) SIDE PX19 PV04 PX18 CV01 PV14 RV01 CV01 RV09 RV03 CV03 CV03 RV10 PS01 RV06 CV04 CV04 RV07 QV01 RV08 CV05 CV05 RV11 CV11 CV11 RV12 CV13 CV13 RV14...
  • Page 31 All manuals and user guides at all-guides.com MAIN POWER BOARD PD1773A-1 (U802) BOTTOM (FOIL) SIDE F8210 P891 D883 R888 1.5A 125V L890 D866 R885 C883 D865 R866 L861 C884 B1-V-0 Q862 R869 P892 D883A L881 R887 Q881 C886 R886 Q8210 Q801A D884 L892...
  • Page 32 All manuals and user guides at all-guides.com IF AUDIO ACIN BOARD PD1775B (U101) BOTTOM (FOIL) SIDE D614 P807B D894 R892 R693 D611 P106 D895 R152 BB20 BB10 D896 R155 D612 R155 R152 R154 D612 R612 Q612 D897 D101 T802 Q153 D615 R687 GJ151...
  • Page 33 All manuals and user guides at all-guides.com OPSS SCALER BOARD (52HMX84:PD1870D1 62HMX84:PD1870E1) (UD02) BOTTOM (FOIL) SIDE - 38 - - 39 -...
  • Page 34 All manuals and user guides at all-guides.com OPSS SCALER BOARD (52HMX84:PD1870D1 62HMX84:PD1870E1) (UD02) TOP (COMPONENT) SIDE - 40 - - 41 -...

  • Page 35: Terminal View Of Transistors

    All manuals and user guides at all-guides.com TERMINAL VIEW OF TRANSISTORS 2SC5144 2SC3852 2SC752 2SA1788 2SC752GTM 2SC5859 2SD1763A 2SC2482 2SA562TM 2SC1569 2SA1015 2SC2655 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 2SD1554 ON4409 RN2203 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SD2553 RN1204...
  • Page 36 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM MODEL : 52HMX84/62HMX84 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 "...
  • Page 37 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM STRUCTURE back_av (1/5) [SHEET-1/5] ....1/52 (audio_select) [SHEET-2/5] ....2/52 (video_select1) [SHEET-3/5] ....3/52 (video_select2) [SHEET-4/5] ....4/52 (wright_connection) [SHEET-5/5] ....5/52 front_av ..........................6/52 front_key (touch_control_panel) ..............7/52 if_audio (if/audio) [SHEET-1/4] ....
  • Page 38 All manuals and user guides at all-guides.com - 45 -...

  • Page 39: Specifications

    This model may not be compatible with features and/or specifications that may be added in the future. Television System Dimensions NTSC standard 52HMX84: Width 58-3/8 inches (1,483 mm) Height 35-1/16 inches (890 mm) Channel Coverage Depth 15-1/4 inches (387 mm)
  • Page 40 All manuals and user guides at all-guides.com TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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