Related Manuals for Toshiba 57HX84
Summary of Contents for Toshiba 57HX84
- Page 1 FILE NO. 020-200410 SERVICE MANUAL Projection Television N4PS Chassis 51HX84 57HX84 DOCUMENT CREATED IN JAPAN, July, 2004...
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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 ..........................16 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, are NOT Adjustment Screws DO NOT LOOSEN-FLUID... -
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 FOCUS COVER Speaker grille - 8 -...
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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. 57HX84 HOKUTO 2334118 2334119 2334120 51HX84 HITACHI 2334122 2334123 2334124 REPLACEMENT OF HIGH VOLTAGE CABLE 1. When replacing Anode Lead or Anode Cap with new one,... -
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, press MENU button on TV set. on Remote Control. again to keep pressing. 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 button in the service mode changes the adjustment items in the order of table-2. button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 21) 5.
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Page 12: Electrical Adjustment
ELECTRICAL ADJUSTMENT - 12 -... - Page 13 - 13 -...
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Page 16: Convergence Adjustment
CONVERGENCE ADJUSTMENT EXPLANATION OF KEY-FUNCTION IN THE CONVER- 1. Receive NTSC signal. GENCE ADJUSTMENT MODE 2. Enter to the service mode. (See Page 10.) Load BACK UP DATA: 1 button Up : button RCUT Selet Green color: button Left : button Blinking of cursor ON/OFF: 5 button... - Page 17 DEFRECTION and CONVERGENCE MEASURING ITEM NAME SETTING INPUT TEST POIN ADJUSTMENT METHOD ADJUSTMENT SPEC IN STRUMENT SIGNAL 0 + - 10 mV CONTRAST :MAX VCEN VERTICAL Retma Between TP-G Digital Volt Adjust the vo ltage betwee n TP-G an d TP-V. BRIGHTNESS:CNT Raster Signal...
- Page 18 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.
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Page 19: 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 20: 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 21: Chapter 2 Specific Informations
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 51", 57" HIGH VOLTAGE AT ZERO BEAM: 32.8 kV MAX HIGH VOLTAGE: 33.9 kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Name of adjustment Preset Data Item Name of adjustment... -
Page 22: Location Of Controls
LOCATION OF CONROLS FRONT Front Remote sensor (Behind the screen) Volume TouchFocus™ Channel L/MONO MENU VOLUME CHANNEL EXIT TV/VIDEO TouchFocus S-VIDEO VIDEO AUDIO POWER MENU EXIT Video 3 Video/audio inputs Power TV/VIDEO (behind the door) indicator Lift up ANT OUT Lift up ANT OUT ANT-2 IN... -
Page 23: Learning About The Remote Control
Learning about the remote control The buttons used for operating the TV only are described here. For a complete list of the remote control’s functions, see the “Remote Control functional key chart”. turns the TV on and off POWER allows access to the automatic TV shut-off function SLEEP The first press of the LIGHT button lights the keypad and turns LIGHT... -
Page 24: Adding Channels To The Tv's Memory
ADDING CHANNELS TO THE TV'S MEMORY When you When you press Channel , your TV will stop only on the channels stored in the TV's channel memory. Follow the steps below and on the next page to program all active channels into the TV's memory. Adding and erasing channels manually Programming channels automatically Your TV can automatically detect all active channels in your... -
Page 25: Mechanical Disassembly
MECHANICAL DISASSEMBLY 1 Speaker Grille Removal 2 Control Panel Removal 3 Front Mask Removal 10 screws A001 A201 A223 A202 K501 K502 K503 4 screws A102 4 Shield Plate, Lens Removal 5 Mirror Removal 6 Back Board Removal 4 screws 4 screws K111 K112... - Page 26 • 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 : 51HX84/57HX84 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
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Page 27: Chassis Replacement Parts List
Location Location Parts No. Description Parts No. Description C607 24073053 ELECTROLYTIC, 25V 100UF M 3A C917 24214101 CERAMIC DISC, 500V B 100PF K C608 24073086 ELECTROLYTIC, 50V 10UF M 3A C921 24211102 CERAMIC DISC, 2KV B 1000PF K C612 24073039 ELECTROLYTIC, 16V 220UF M 3A C922 24794101... - Page 28 Location Location Parts No. Description Parts No. Description RESISTORS R375 24011153 CHIP, METAL FILM, 1/2OW 15K OHM J R101 24382223 OXIDE METAL FILM, 1W 22K OHM J R376 24011333 CHIP, METAL FILM, 1/20W 33K OHM J R150 24011332 CHIP, METAL FILM, 1/20W 3.3K OHM J R378 24011103 CHIP, METAL FILM, 1/20W 10K OHM J...
- Page 29 Location Location Parts No. Description Parts No. Description R486 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J R864 24552102 OXIDE METAL FILM, 1/2W 1K OHM J R487 24552271 OXIDE METAL FILM, 1/2W 270 OHM J R865 24552390 OXIDE METAL FILM, 1/2W 39 OHM J R488 24552151 OXIDE METAL FILM, 1/2W 150 OHM J...
- Page 30 Location Location Parts No. Description Parts No. Description R992 24366222 CARBON FILM, 1/6W 2.2K OHM J R7733 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J R4430 24381150 OXIDE METAL FILM, 1/2W 15 OHM J R7735 24383221 OXIDE METAL FILM, 2W 220 OHM J R4431 24366102 CARBON FILM, 1/6W 1K OHM J...
- Page 31 Location Location Parts No. Description Parts No. Description RA78 24366273 CARBON FILM, 1/6W 27K OHM J L902 23289159 COIL, PEAKING, TRF41R5AF RA79 24366823 CARBON FILM, 1/6W 82K OHM J L904 23289120 COIL, PEAKING, TRF4120AF RB01 24366391 CARBON FILM, 1/6W 390 OHM J L905 23289689 COIL, PEAKING, TRF46R8AF...
- Page 32 Location Location Parts No. Description Parts No. Description Q661 23205204 TRANSISTOR, NPN VEBO=25V KTC2875B-RTK QY160 23205006 TRANSISTOR, KTC4075Y Q662 23205204 TRANSISTOR, NPN VEBO=25V KTC2875B-RTK D101 23316755 DIODE, ZENER, MTZJ33C Q663 23906596 IC, BA4558 D301 23316581 DIODE, ZENER 7.51-7.89 MA8075-H, TX Q664 23114493 TRANSISTOR, RN2404...
- Page 33 Location Location Parts No. Description Parts No. Description D851 23357216 DIODE, D4SBL20U DH301 23316672 DIODE, ZENER, MTZJ5.6B @E051Z D852 23316714 DIODE, RL2Z 23316672 DIODE, ZENER, MTZJ5.6B @E052Z D853 23316714 DIODE, RL2Z 23316672 DIODE, ZENER, MTZJ5.6B @E053Z D854 23357366 DIODE, FR105-B5 23316672 DIODE, ZENER, MTZJ5.6B @E054Z D862...
- Page 34 U001 23148103 SCAN CONVERTER MODUL, MHSU11 MHSU11 U401 #1 23762136 PC BOARD ASSY, DEFPOWER 51HX84 PU PD1730D #2 23762341 PC BOARD ASSY, DEFPOWER 57HX84 PU PD1730G U601 23761975 PC BOARD ASSY, IF/AUDIO PU PD1731A2 U711 23761974 PC BOARD ASSY, CONVER PU PD1731A1...
- Page 35 SCAN CONVERTER MODUL, MHSU11 PD1738 (U001 ) BOTTOM (FOIL) SIDE - 36 - - 37 -...
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Page 36: Pc Boards Bottom View
SCAN CONVERTER MODUL, MHSU11 PD1738 (U001 ) TOP (COMPONENT) SIDE - 38 - - 39 -... - Page 37 DEFPOWER BOARD (51HX84:PD1730D 57HX84:PD1730G) (U401) BOTTOM (FOIL) SIDE D881 CCP-3400S R883 R864 R868 10 9 8 7 5 4 3 2 R874 C316 R873 C854 D885A Q862 D864 C862 TP-G Q881 R371 R475 D327 R371 GR31 TP-V R865 L888 R372...
- Page 38 CONV/ IF/AUDIO BOARD PD1731A2 (U601) BOTTOM (FOIL) SIDE R153 GJ151 GJ150 Q681 C601 R603 P105 Q153 R601 GJ104 GJ106 GJ103 R604 C109 GJ105 R150 R150 C607 R151 C606 C605 C662 C663 R151 C101 C602 R152 R673 H001 R154 GJ170 R684 D605 Q682 R155...
- Page 39 CRT/SVM/R BOARD PD1733B1 (E031Z) CRT/SVM/G BOARD PD1733B2 (E032Z) BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE CRT-D/G Q902 D941 Q912 CCP-3400S CRT-D/R D943 R7009 R7109 Q7103 R7007 Q7003 R963 R7101 Q961 R7107 R7001 R7009 R963 R7109 C933 L907 CCP-3400S L917 C943 Q961 Q7101 C7006 C7003...
- Page 40 BACK/AV BOARD PD1735A1 (E021Z) FRONT-CON BOARD PD1735A2 (E022Z) BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE QB513 QB510 QB511 23547592 PB503 PS01 23547592 CB505 B1-V-0 QB508 DB504 LV36 B1-V-0 RB05 PB11 RV36 RB01 CV39 RA78 DB501 RA71 RA72 RA73 RV35 MENU VOL DN VOL UP CH DN CH UP...
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Page 41: Terminal View Of Transistors
TERMINAL VIEW OF TRANSISTORS 2SC5144 2SC3852 2SC752 2SA1788 2SC752GTM 2SC5859 2SD1763A 2SC2482 2SA562TM 2SC1569 2SC2655 2SA1015 2SC4544 2SC1815 2SC4721P 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 2SD1554 ON4409 RN2203 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SD2553 2SC5143 RN1204 RN2204 RN1205 RN1202 RN1201 - 48 -... - Page 42 SCHEMATIC DIAGRAM MODEL : 51HX84/57HX84 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 43 SCHEMATIC DIAGRAM STRUCTURE: DEF POWER Circuit (1/3) [ SHEET - 1/3] ..... 1/60 (2/3) [ SHEET - 2/3] ..... 2/60 (3/3) [ SHEET - 3/3] ..... 3/60 BACK/AV Circuit ......................4/60 CONV/IF/AUDIO (1/3) [ SHEET - 1/3] ..... 5/60 (2/3) [ SHEET - 2/3] .....
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Page 44: Circuit Block Diagram
CIRCUIT BLOCK DIAGRAM - 51 - - 52 -... -
Page 45: Specifications
15 W + 15 W Mass 51HX84: 169 lbs (76.0 kg) Speaker Type 57HX84: 204 lbs (92.0 kg) 51HX84: Two 6-5/16 inches (16 cm) round 57HX84: Two 6-5/16 inches (16 cm) round Operating condition Temperature: 41˚F-95˚F (5˚C-35˚C) Video/Audio Terminals S-VIDEO INPUT Supplied Accessories Y : 1 V(p-p), 75 ohms, negative sync. - Page 46 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...