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Toshiba 50HX70 Service Manual

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See also: Owner's Manual
50HX70
Televisión a color
Capítulo 1: Ajustes generales
Instrucciones de seguridad
Reemplazo y montaje del ensamble de TRC
Ajustes de los componentes del tubo de imagen
Reemplazo del TRC
Modo de servicio
Ajustes eléctricos
Ajustes de convergencia
Alineación de pantalla y espejo
Revisión de circuitos
Capítulo 2: informaciones específicas
Fijación y ajuste de datos
Localización de controles
Programación de la memoria de canales
Diagrama a bloques del circuito
Desensamble mecánico
Lista de partes de reemplazo del gabinete y el chasis
Vista inferior de placas de circuito impreso
Vista de terminales de transistores
Especificaciones
Diagrama esquemático
Segur idad
Con versión de señal
DEF/Encendido
TR C/SVM
A/V
Con versión digital
HYPER

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Summary of Contents for Toshiba 50HX70

  • Page 1 Televisión a color Capítulo 1: Ajustes generales Instrucciones de seguridad Reemplazo y montaje del ensamble de TRC Ajustes de los componentes del tubo de imagen 50HX70 Reemplazo del TRC Modo de servicio Ajustes eléctricos Ajustes de convergencia Alineación de pantalla y espejo Revisión de circuitos...

  • Page 2: Service Manual

    FILE NO. 020-200026 SERVICE MANUAL COLOR TELEVISION N0PSP Chassis 50HX70 , 55HX70 , 61HX70 (TAC0067) (TAC0066) (TAC0065) 55H70 , 61H70 (TAC0069) (TAC0068) PUBLISHED IN JAPAN, Aug., 2000 So...

  • Page 3: 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 .......................... 14 SCREEN AND MIRROR ALIGNMENTS ........................

  • Page 4: 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 5: 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, 8 o’clock are “NOT”...

  • Page 6: 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 7: 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 Pole 4, 6 magnet Pole 2 magnet DESCRIPTION OF NECK COMPONENTS 2. Select adjustment mode (see page 10). 3.
  • Page 8 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 9 LOCATION OF SCREEN AND FOCUS VR’S SCREEN VR FOCUS VR – 8 –...

  • Page 10: 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. 50HX70 23005770 23005771 23003382 ↑ ↑ 55HX70 23005777 HITACHI 55H70 23005723 23005808 23005724 61HX70 23007215 23007216 23007217 61H70...

  • Page 11: 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 12 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 18) 5.

  • Page 13: Electrical Adjustment

    ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE VERTICAL POSITION (VCEN) 1. Call up the adjustment mode display, then select item VCEN. 2. Press the VOLUME s or t button to get the voltage 0 ±10 mV. 3. Measuring the terminals voltage are TP-V and TP-G on SIGNAL Board. SUB-BRIGHTNESS 1.
  • Page 14 ITEM ADJUSTMENT PROCEDURE HEIGHT 1. Call up the adjustment mode display, then select the item HIT. (HIT) 2. Press the VOLUME s or t button to get the picture so the top of raster begins * Except 16:9 mode to lack. 3.

  • Page 15: Convergence Adjustment

    CONVERGENCE ADJUSTMENT Adjust convergence from center to circumference in order. 1. Select the adjustment mode following the steps on page 10. RCUT KEY FUNCTION IN THE CONVERGENCE ADJUSTMENT: Up : 2 button Selet Green color: 3 button Left : 4 button 2.
  • Page 16 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.

  • Page 17: Screen And Mirror Alignments

    SCREEN AND MIRROR ALIGNMENTS ASSEMBLING OF MOUNTING OF FRONT SCREEN FRONT SCREEN Fresnel sheet 5 screws Lenticular shield 3 screws FRONT Protect shield (for 50”) 3 screws Lenticular sheet Protect shield 3 screws FRONT Fresnel sheet Stick cotton cloth tape Label with part Label with part number...

  • Page 18: 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 19: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 40~61" HIGH VOLTAGE AT ZERO BEAM: 31.5 kV MAX HIGH VOLTAGE: 32.6 kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Name of adjustment Preset Date Item Name of adjustment Preset...

  • Page 20: Location Of Controls

    LOCATION OF CONTROLS (Representative : 61HX70) TV front Remote sensor (Behind the screen) Behind the door Power Indicator T Sst MENU EXIT TV/VIDEO DEMO POWER Video Audio inputs POWER VOLUMET S TV/VIDEO (Video3) CHANNEL st DEMO MENU EXIT TV rear ANT (75Ω) ANT-1 AUDIO CENTER...

  • Page 21: Remote Control

    Remote Control SLEEP LIGHT POWER POWER LIGHT SLEEP CABLE/SAT MOVIE SPORTS NEWS MODE switch AUDIO1 Set to “TV” to control the TV. SERVICES LIST AUDIO2 MODE Channel Number PIC SIZE 100/ – ACTION FAVORITE INFO MENU/ENTER MENU/ stT S/FAV T S ENTER CHANNEL s/t VOLUME s/t...

  • Page 22: Programming Channel Memory

    PROGRAMMING CHANNEL MEMORY The channel memory is the list of TV channel numbers the TV tunes in 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 23 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 22 –...

  • Page 24: Circuit Block Diagram

    CIRCUIT BLOCK DIAGRAM – 23 – – 24 –...

  • Page 25: Mechanical Disassembly

    MECHANICAL DISASSEMBLY 1 Speaker Grille Removal 2 Control Panel Removal 3 Front Mask Removal 4 Mask Removal A001 A201 A202 A201 A213 A224 K502 A268 K503 K501 A102 A102 4 screws 5 Shield Plate, Lens Removal 6 Mirror Removal 7 Back Board Removal 8 Light Box Removal 5 screws 4 screws...

  • Page 26: 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. Models : 50HX70/55HX70/61HX70/55H70/61H70 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 27 Location Location Part No. Description Part No. Description Chip, 0.01?F, ±10%, 25V Chip, 2200pF, ±10% C427 24109103 C504 24109222 C427 24828473 PF, 0.047?F, 200V C505 24108120 Chip, 12pF EL, 1?F, ±20%, 50V C428 24797010 C506 24108120 Chip, 12pF Chip, 0.01?F, ±10%, 25V C429 24109103 C507...
  • Page 28 Location Location Part No. Description Part No. Description EL, 0.1?F, ±20%, 50V EL, 47?F, ±20%, 16V C630 24206108 C788 24666470 EL, 47?F, ±20%, 16V C631 24100472 Chip, 0.1?F, +80%, -20%, 25V C789 24666470 EL, 47?F, ±20%, 16V C632 24203470 C790 24435560 CD, 56pF, 500V EL, 22?F, ±20%, 160V...
  • Page 29 Location Location Part No. Description Part No. Description CD, 1000pF, ±10%, 2kV C921 24211102 CA20 24105181 Chip, 180pF EL, 100?F, ±20%, 16V C922 24794101 CA21 24092442 Chip, 0.47?F, C923 24436681 CD, 680pF +80%, -20%, 16V Chip, 0.01?F, ±10%, 25V C924 24232103 CD, 0.01?F, +80%, -20% CA22...
  • Page 30 Location Location Part No. Description Part No. Description CH006 24100104 Chip, 0.1?F, +80%, -20%, 25V CH171 24105681 Chip, 680pF CH007 24100104 Chip, 0.1?F, +80%, -20%, 25V CH172 24105331 Chip, 330pF CH008 24100104 Chip, 0.1?F, +80%, -20%, 25V CH173 24105102 Chip, 1000pF, 25V CH009 24100104 Chip, 0.1?F, +80%, -20%, 25V...
  • Page 31 Location Location Part No. Description Part No. Description Chip, 0.1?F, ±10%, 16V CD, 1000pF, ±10% CH250 24092730 CV39 24212102 EL, 100?F, ±20%, 16V CM01 24100104 Chip, 0.1?F, +80%, -20%, 25V CV40 24763101 CM02 24100104 Chip, 0.1?F, +80%, -20%, 25V CV41 24232103 CD, 0.01?F, +80%, -20% EL, 10?F, ±20%, 16V,...
  • Page 32 Location Location Part No. Description Part No. Description CX168 24105331 Chip, 330pF CX811 24105330 Chip, 33pF Chip, 0.33?F, ±10%, 16V CX172 24092616 CX812 24105330 Chip, 33pF EL, 22?F, ±20%, 10V CX175 24202220 CX821 24105101 Chip, 100pF CX176 24100104 Chip, 0.1?F, +80%, -20%, 25V CX822 24105101 Chip, 100pF...
  • Page 33 Location Location Part No. Description Part No. Description Chip, 0.1?F, ±10%, 16V CY177 24100104 Chip, 0.1?F, +80%, -20%, 25V CY721 24092730 Chip, 0.1?F, ±10%, 16V CY178 24100104 Chip, 0.1?F, +80%, -20%, 25V CY722 24092730 Chip, 0.1?F, ±10%, 16V CY179 24100104 Chip, 0.1?F, +80%, -20%, 25V CY733 24092730...
  • Page 34 Location Location Part No. Description Part No. Description Chip, 0.01?F, ±10%, 25V CZ104 24109103 R318 24366153 CF, 15k ohm Chip, 0.01?F, ±10%, 25V CZ105 24109103 R320 24000249 MF, 47k ohm, 1/4W Chip, 0.01?F, ±10%, 25V CZ106 24109103 R321 24366472 CF, 4700 ohm CZ108 24100104 Chip, 0.1?F, +80%, -20%, 25V...
  • Page 35 Location Location Part No. Description Part No. Description R406 24382222 OMF, 2200 ohm, 1W R496 24366223 CF, 22k ohm R407 24381100 OMF, 10 ohm, 1/2W R497 24366223 CF, 22k ohm R408 24366101 CF, 100 ohm R499 24366563 CF, 56k ohm R409 24011102 Chip, 1k ohm, 1/20W...
  • Page 36 CF, 1200 ohm R898 24002000 R761 24366273 CF, 27k ohm R900 24000961 FR, 2.2 ohm, 2W R762 24366563 CF, 56k ohm (50HX70/55HX70/61HX70) R763 24552331 OMF, 330 ohm, 1/2W R900 24000945 FR, 1.8 ohm, 2W R764 24366470 CF, 47 ohm (55H70/61H70) R765...
  • Page 37 Location Location Part No. Description Part No. Description R915 24366270 CF, 27 ohm R4010 24366102 CF, 1k ohm R916 24366331 CF, 330 ohm R4011 24366103 CF, 10k ohm R917 24366681 CF, 680 ohm R4012 24366472 CF, 4700 ohm R918 24366330 CF, 33 ohm R4013 24366103...
  • Page 38 Chip, 33k ohm, 1/16W R7715 24384680 OMF, 68 ohm, 3W R7889 24872333 Chip, 33k ohm, 1/16W R7716 24323129 MF, 1.2 ohm, 2W (50HX70) R7717 24872472 Chip, 4700 ohm, 1/16W R7889 24872123 Chip, 12k ohm, 1/16W R7718 24872472 Chip, 4700 ohm, 1/16W...
  • Page 39 Location Location Part No. Description Part No. Description RA19 24872102 Chip, 1k ohm, 1/16W RB61 24872222 Chip, 2200 ohm, 1/16W RA26 24872102 Chip, 1k ohm, 1/16W RB62 24872103 Chip, 10k ohm, 1/16W RA27 24872102 Chip, 1k ohm, 1/16W RB65 24872392 Chip, 3900 ohm, 1/16W RA29 24872102...
  • Page 40 Location Location Part No. Description Part No. Description RH184 24872122 Chip, 1200 ohm, 1/16W RS31 24366103 CF, 10k ohm RH185 24872122 Chip, 1200 ohm, 1/16W RS32 24366104 CF, 100k ohm RH186 24872122 Chip, 1200 ohm, 1/16W RS33 24366222 CF, 2200 ohm RH187 24872122 Chip, 1200 ohm, 1/16W...
  • Page 41 CF, 10k ohm RX191 24011102 Chip, 1k ohm, 1/20W RX11 24366151 CF, 150 ohm RX192 24011100 Chip, 10 ohm, 1/20W (50HX70/61HX70) RX193 24871331 Chip, 330 ohm, 1/8W RX101 24011101 Chip, 100 ohm, 1/20W RX195 24011100 Chip, 10 ohm, 1/20W RX102...
  • Page 42 Location Location Part No. Description Part No. Description RX301 24011103 Chip, 10k ohm, 1/20W RX403 24011101 Chip, 100 ohm, 1/20W RX302 24011103 Chip, 10k ohm, 1/20W RX404 24871101 Chip, 100 ohm, 1/8W RX303 24011103 Chip, 10k ohm, 1/20W RX405 24011101 Chip, 100 ohm, 1/20W RX304 24011103...
  • Page 43 Location Location Part No. Description Part No. Description RY31 24011101 Chip, 100 ohm, 1/20W RY306 24011152 Chip, 1500 ohm, 1/20W RY32 24011330 Chip, 33 ohm, 1/20W RY307 24011102 Chip, 1k ohm, 1/20W RY33 24011330 Chip, 33 ohm, 1/20W RY308 24011181 Chip, 180 ohm, 1/20W RY68 24011152...
  • Page 44 Location Location Part No. Description Part No. Description RY742 24011101 Chip, 100 ohm, 1/20W RZ105 24011821 Chip, 820 ohm, 1/20W RY743 24011101 Chip, 100 ohm, 1/20W RZ106 24000445 Chip Jumper, 1680 Type RY747 24011102 Chip, 1k ohm, 1/20W RZ107 24011751 Chip, 750 ohm, 1/20W RY751 24011222...
  • Page 45 Location Location Part No. Description Part No. Description L861 23103880 Coil (Ferrite Bead), TEM2011Y LM09 23103906 Chip (Ferrite Bead), L862 23103859 Coil (Ferrite Bead), TEM2011 TEM2118AS L881 23103880 Coil (Ferrite Bead), TEM2011Y LV05 23289560 Coil, Peaking, TRF4560AF L882 23103880 Coil (Ferrite Bead), TEM2011Y LV06 23289560 Coil, Peaking, TRF4560AF...
  • Page 46 Location Location Part No. Description Part No. Description LX311 23103886 Chip (Ferrite Bead), LY342 24000445 Chip Jumper, 1680 Type TEM2129AM LY502 23103906 Chip (Ferrite Bead), LX321 23103906 Chip (Ferrite Bead), TEM2118AS TEM2118AS LY503 23103906 Chip (Ferrite Bead), LX322 23103906 Chip (Ferrite Bead), TEM2118AS TEM2118AS LY701...
  • Page 47 Location Location Part No. Description Part No. Description * T461 23236635 Transformer, Flyback, Q504 23314993 Transistor, 2SC4081T106Q TFB3088AD Q510 B01A0150 IC, TA1316N T461A 23192940 Anode Cap, TCCP5157 Q520 23114530 Transistor, 2SA933S-Q T801 23211698 Line Filter, TRF3218AK Q521 23114530 Transistor, 2SA933S-Q T802 23211712 Line Filter, TRF3209BQ...
  • Page 48 Location Location Part No. Description Part No. Description Q799 A6030110 IC, TC4S66F QH173 23905320 IC, NM24C16EN Q801 23135015 IC, STR-Z4369 QH177 23904743 IC, LC89066M Q820 23314965 Transistor, KTC3198 Y QR02 A6335470 Transistor, 2SC2712-Y Q821 A6002060 Transistor, RN1206 QR03 A6004020 Transistor, RN1402 Q830 23904163 IC, SI-3090CA...
  • Page 49 Location Location Part No. Description Part No. Description QX191 23000197 IC, SN74AHC2G53H QY505 A6549570 Transistor, 2SA1586-Y QX192 23314345 Transistor, IMZ1 T108 QY506 A6549570 Transistor, 2SA1586-Y QX195 A6030695 IC, TC7SH32FU(BR QY507 A6549570 Transistor, 2SA1586-Y QX196 A6030695 IC, TC7SH32FU(BR QY508 A6549570 Transistor, 2SA1586-Y QX201 23314993 Transistor, 2SC4081T106Q...
  • Page 50 Location Location Part No. Description Part No. Description D415 23118707 Diode, RP 1H, LF-C1 D901 23118859 Diode, 1SS133 D416 23118041 Diode, MA111-(TX) D902 23118859 Diode, 1SS133 D435 23118094 Diode, EU2A, LF-F10 D911 23118859 Diode, 1SS133 D436 23118094 Diode, EU2A, LF-F10 D912 23118859 Diode, 1SS133...
  • Page 51 Location Location Part No. Description Part No. Description DB01 23358501 Diode(LED),SCL003URC5F GJ05 24000824 Chip Jumper, 2125Type (50HX70/55HX/61HX/61H70) GJ05 24000824 Chip Jumper, 2125Type DB10 23316574 Diode, Zener, MA8062-M, TX GJ06 24000445 Chip Jumper, 1680 Type DB11 23118041 Diode, MA111-(TX) GJ06 24000824...
  • Page 52 PC BOARD ASSEMBLIES PC BOARD ASSEMBLIES PC BOARD ASSEMBLIES SA06 23145226 Switch, Push, 1C1P E031Z CRT-D/R Board, PB9586A1 SA07 23145226 Switch, Push, 1C1P (50HX70/55HX70/61HX70) SA08 23145226 Switch, Push, 1C1P E031Z CRT-D/R Board, PB9586B1 SA09 23145226 Switch, Push, 1C1P (55H70/61H70) SR41...
  • Page 53 Protector Coupling B (55H70) A701 23064269 Case (55H70) * V903B 23005690 Protector Coupling B (61H70) A701 23064271 Carton (61H70) A703 23935847 Packing, Top (50HX70) TUNER TUNER TUNER TUNER TUNER A703 23946070 Packing, Top (55HX70/55H70) A703 23946072 Packing, Top (61HX70/61H70) H001...
  • Page 54 Location Location Part No. Description Part No. Description K503 23430571 Screen Protector, SCR-PRO61RH (61H70) K601 23430509 Mirror, MIRROR50H (50HX70) K601 23430529 Mirror, MIRROR55H (55HX70/55H70) K601 23430528 Mirror, MIRROR61H (61HX70/61H70) – 55 –...
  • Page 55 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 56 –...
  • Page 56 SIGNAL/CONV BOARD PB9581 BOTTOM (FOIL) SIDE – 57– – 58 –...
  • Page 57 DEF/POWER BOARD PB9582 BOTTOM (FOIL) SIDE – 59 – – 60 –...
  • Page 58 A/V BOARD PB9583 BOTTOM (FOIL) SIDE –61 – –62 –...
  • Page 59 HYPER PRO BOARD PB9584 DPC BOARD PB9602 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE – 63 – – 64 –...
  • Page 60 CRT/D-RED BOARD PB9586-1 BOTTOM (FOIL) SIDE CRT/D-GRN BOARD PB9586-2 BOTTOM (FOIL) SIDE – 65 –...
  • Page 61 CRT/D-BLU BOARD PB9586-3 BOTTOM (FOIL) SIDE D-COVER BOARD PB9486 BOTTOM (FOIL) SIDE – 66 –...
  • Page 62 SVM-G BOARD PB9586-5 SVM-R BOARD PB9586-4 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE – 67 –...
  • Page 63 FRONT-CON BOARD PB9615-1 SVM-B BOARD PB9586-6 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE – 68 –...
  • Page 64 SRS BOARD PB9587 BOTTOM (FOIL) SIDE FRONT-IN BOARD PB9615-2 BOTTOM (FOIL) SIDE REM BOARD PB9615-3 BOTTOM (FOIL) SIDE – 69 –...

  • Page 65: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SC5144 2SC3852 2SC752GTM 2SC752 2SA1788 2SD1763A 2SA562TM 2SC2482 2SC1569 2SA1015 2SC2655 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 2SD1554 ON4409 RN2203 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SD2553 RN1204 2SC5143 RN2204 RN1205 RN1202 RN1201 –...

  • Page 66: Specifications

    SPECIFICATIONS (Representative: 61HX70) 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) POWER SOURCE 120 V AC, 60 Hz POWER CONSUMPTION...
  • Page 67 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

  • Page 68: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 50HX70 Chassis No. TAC0067 55HX70 Chassis No. TAC0066 61HX70 Chassis No. TAC0065 55H70 Chassis No. TAC0069 61H70 Chassis No. TAC0068 WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL.
  • Page 69 SCHEMATIC DIAGRAM MODEL : 50HX70 55HX70 61HX70 Chassis No. TAC0067 Chassis No. TAC0066 Chassis No. TAC0065 55H70 61H70 Chassis No. TAC0069 Chassis No. TAC0068 NOTE: WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL.

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