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JVC AV-24F703 Service Manual
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JVC AV-24F703 Service Manual

JVC AV-24F703 Service Manual

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  • Page 1 This file is provided FREE OF CHARGE from the electromaniacs.com community You are free to distribute this file to other persons who needs it , but without of charge Also on http://electromaniacs.com you can find thousands of service manuals , schematics free of charge...
  • Page 2 AV-24F703 SERVICE MANUAL COLOR TELEVISION AV-24F703 TV CATV VCR DVD POWER STANDARD INPUT DISPLAY SLEEP TIMER RETURN C.C. LIGHT AUDIO SELECT RM-C309G MUTING ENTER MENU EXIT – VCR CHANNEL + VCR/DVD TV/VCR PREV NEXT POWER PLAY POWER STOP PAUSE OPEN/CLOSE...
  • Page 3 AV-24F703 SPECIFICATIONS TELEVISION Picture Tube: 24” (measured diagonally) Color System: NTSC TV RF System: CCIR (M) Tuner Type: 181 Channel, Quartz PLL Frequency Synthesized Receiving Channels: 2-13 14-69 CATV 01-97 (5A)-(A-3) 98-99 (A-2)-(A-1) 14-22 (A)-(I) 23-36 (J)-(W) 37-65 (AA)-(FFF) 66-125 (GGG)-(125) Intermediate Frequency: Picture (FP) : 45.75 MHz...
  • Page 4 AV-24F703 SAFETY PRECAUTIONS SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.
  • Page 5 AV-24F703 SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.
  • Page 6 AV-24F703 DISASSEMBLY INSTRUCTIONS 3. When IC starts moving back and forth easily after 2. REMOVAL AND INSTALLATION OF FLAT desoldering completely, pickup the corner of the IC using PACKAGE IC a tweezers and remove the IC by moving with the IC REMOVAL desoldering machine.
  • Page 7 AV-24F703 DISASSEMBLY INSTRUCTIONS INSTALLATION 4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- 1. Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern.
  • Page 8 AV-24F703 SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key for more than 1 second. Set Key...
  • Page 9 AV-24F703 WHEN REPLACING EEPROM (MEMORY) IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. Table 1 Enter DATA SET mode by setting VOLUME to minimum.
  • Page 10 AV-24F703 SERVICE ADJUSTMENTS ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE 2. BASIC ADJUSTMENTS Read and perform these adjustments when repairing the circuits 2-1: CONSTANT VOLTAGE or replacing electrical parts or PCB assemblies. Set condition is AV MODE without signal. CAUTION Connect the digital voltmeter to the TP002.
  • Page 11 AV-24F703 ELECTRICAL ADJUSTMENTS 2-6: HORIZONTAL POSITION 2-11: SUB BRIGHTNESS Receive the monoscope pattern. Activate the adjustment mode display of Fig. 1-1 and Using the remote control, set the brightness and contrast press the channel button (16) on the remote control to to normal position.
  • Page 12 AV-24F703 ELECTRICAL ADJUSTMENTS 2-15: SEPARATION 1, 2 Please do the method (1) or method (2) adjustment. Method (1) Set the multi-sound signal generator for each different L- 100% ch and R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz) and receive the RF. Connect the oscilloscope to the Audio Out Jack.
  • Page 13 AV-24F703 ELECTRICAL ADJUSTMENTS 2-18: TRAPEZIUM Receive the crosshatch signal from the Pattern Generator. Using the remote control, set the brightness and contrast to normal position. Activate the adjustment mode display of Fig. 1-1 and press the channel button (30) on the remote control to select “TRAPEZIU”.
  • Page 14 AV-24F703 ELECTRICAL ADJUSTMENTS 3. PURITY AND CONVERGENCE 3-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar genera- Turn the unit on and let it warm up for at least 30 minutes tor.
  • Page 15 AV-24F703 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CP852B CRT PCB VM COIL PCB CP804 CD803 CP803 J801 CP801_1 CP851_1 CD801 CP801A CP101 CP851A FB401 CP401 T501 SPEAKER CD701B R527 L503 CP502 VR502 TP002 S502 AC IN...
  • Page 16 AV-24F703 GUIDE FOR REPAIRING IC DESCRIPTION MAIN PCB OEC7075A (IC101) Pin name Symbol I/O Logic Function Option P11/SCL1 AUDIO MUTE Audio MUTE Output C-MOS P00/PM0 EXT MUTE Audio MUTE Output for external Output Nch-OD P01/PWM1 STANDBY_H Output HIGH at a teleevision power off.
  • Page 17 AV-24F703 TROUBLESHOOTING GUIDE NO POWER Is the voltage at the point (A) Is the voltage at pin G Check Q501 and associated circuit. in the Figure DC160V ? of Q501 DC5V ? Check Q502 and associated circuit. T502 Is the voltage at the point (B) Check R501 and R541.
  • Page 18 AV-24F703 TROUBLESHOOTING GUIDE NO RASTER Does the RASTER Is the voltage of pin 10 of Check the output circuit and appear at maximum associated circuit. CP801 DC180V ? BRIGHT/CONTRAST ? Check the 180V line. Is the high voltage of Is the heater voltage at...
  • Page 19 AV-24F703 TROUBLESHOOTING GUIDE NO COLOR Are the waveforms at pins 6, Defect of CRT or contact defects 8 and 11 of J801 normal ? of J801. Are the waveforms at pins 6, Check the output circuit and 7 and 8 of CP801 normal ? associated circuit.
  • Page 20 AV-24F703 TROUBLESHOOTING GUIDE NO VERTICAL Is the waveform at pin Check DY. 5 of CP401 normal ? Check IC401 and check the Is the waveform at pin Is the voltage at pin 6 1 of IC401 normal ? of IC401 25V? peripheral circuit.
  • Page 21 AV-24F703 TROUBLESHOOTING GUIDE NO SOUND Is sound setting appropriate ? Is the waveform at pins 7 Check speaker. and 12 of IC1001? Is the AUDIO signal at pins Check IC301 and peripheral circuit. 1 and 20 of IC301? Is the AUDIO signal input Check IC303x and peripheral circuit.
  • Page 22 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. Head office : 1700 Valley Road, Wayne, New Jersey 07470 (973)317-5000 East Coast : 10 New Maple Avenue, Pine Brook, New Jersey 07058 (973)396-1000 Midwest (630)851-7855 705 Enterprise St. Aurora, Illinois 60504...
  • Page 23 AV-24F703 PARTS LIST CAUTION The parts identified by the ! symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the safety . The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied .
  • Page 24 AV-24F703 MECHANICAL REPLACEMENT PARTS LIST ! Ref.No. Part No. Part Name Description X-A3L3030720 CABINET,FRONT ASSY X-7230006818 SHEET,CAUTION X-713WPA0140 GLASS,LED X-735WPA0538 BUTTON,HOLDER X-7235380003 BRAND,BADGE X-735WPA0539 BUTTON,CHANNEL/VOLUME X-735WPB0102 BUTTON,POWER X-702WPAA210 CABINET,BACK X-722538A016 SHEET,RATING X-800WQ00039 FELT SHEET X-741WUA0001 SPRING,EARTH X-762WPA0011 HOLDER,CRT WIRE X-899HV3T000...
  • Page 25 AV-24F703 MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) PCB060 (VM COIL PCB) L503 X-028R250009 FB401 V801 X-043224003R X-098W250401 PCB010 SP1002 (MAIN PCB) X-070C457003 TU001 X-145100059 SP1001 X-070C457003 No. 52000...
  • Page 26 AV-24F703 ELECTRICAL REPLACEMENT PARTS LIST MAIN PCB ASS’Y ! Symbol No. ! Symbol No. Part No. Part Name Description Part No. Part Name Description PCB010 X-A3L3030010 MAIN PCB ASS’Y TMA532B RESISTORS R320 NRSA02J-822X MG R 8.2KØ 1/10W VARIABLE RESISTORS R321...
  • Page 27 AV-24F703 ! Symbol No. ! Symbol No. Part No. Part Name Description Part No. Part Name Description RESISTORS RESISTORS R544 NRSA02J-271X MG R 270Ø 1/10W R1011 NRSA02J-103X MG R 10KØ 1/10W R545 NRSA02J-151X MG R 150Ø 1/10W R1013 NRSA02J-103X MG R 10KØ...
  • Page 28 AV-24F703 ! Symbol No. ! Symbol No. Part No. Part Name Description Part No. Part Name Description CAPACITORS CAPACITORS C304 X-E62KU52R2M 2.2µF C604 QETN1HM-105Z 1µF C305 X-E62KU52R2M 2.2µF C605 NCB21EK-104X 0.1µF C306 NCB21HK-332X 0.0033µF C606 NCB21EK-104X 0.1µF C307 NCB21HK-332X 0.0033µF...
  • Page 29 AV-24F703 ! Symbol No. ! Symbol No. Part No. Part Name Description Part No. Part Name Description CAPACITORS DIODES C930 NCB21EK-104X 0.1µF D517 1SS133-T2 SILICON C931 NCB21EK-104X 0.1µF D519 1SS133-T2 SILICON C932 NCB21EK-104X 0.1µF D520 1SS133-T2 SILICON ! D523 C935 X-E02LT54R7M 4.7µF...
  • Page 30 AV-24F703 ! Symbol No. ! Symbol No. Part No. Part Name Description Part No. Part Name Description TRANSISTORS OTHERS Q1503 X-T8YJ2412K0 SILICON 2SC2412KT146 R,S B502 X-024HT03553 CORE,BEADS W5RH3.5X5X1.0 Q1504 X-T8YJ2412K0 SILICON 2SC2412KT146 R,S B504 X-024HT03553 CORE,BEADS W5RH3.5X5X1.0 ! CD501 Q1505...
  • Page 31 AV-24F703 ! Symbol No. ! Symbol No. Part No. Part Name Description Part No. Part Name Description RESISTORS TRANSISTORS ! Q801 R854 QRE141J-333Y 33KØ 1/4W X-TCA0042170 SILICON KTC4217(O,Y) ! Q802 R855 X-R65582331J R,FUSE 330Ø 1/2W X-TCA0042170 SILICON KTC4217(O,Y) ! Q803...
  • Page 32 AV-24F703 PACKING 1,8,9,10,11,12,13 ACCESSORY REPLACEMENT PARTS LIST ! Ref.No. Part No. Part Name Description X-076G0EC010 TRANSMITTER EUR524339(RM-C309G) X-723000B851 SHEET,UPC X-791WHA0092 LAMIFILM,BAG X-792WHA0309 PACKAGE,TOP X-792WHA0310 PACKAGE,BOTTOM X-793WCDB225 GIFT BOX X-JB5KD500 POLYBAG,INSTRUCTION(RED CAUTION) X-J3L30301 INSTRUCTION BOOK X-J5500112 GUARANTEE CARD X-J5500115 SERVICE STATION LIST...
  • Page 33 STOP PAUSE OPEN/CLOSE STILL/PAUSE Illustration of AV-24F703 and RM-C309G IMPORTANT NOTE TO THE CUSTOMER: In the space below, enter the serial number for your television (located on the rear of the television cabinet). Staple your sales receipt or invoice to the inside cover of this guide.
  • Page 34 The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product's enclosure that may be of sufficient magni- tude to constitute a risk of electric shock. CAUTION: TO REDUCE THE RISK OF The exclamation point within an equilateral triangle is intended to...
  • Page 35 13. LIGHTNING To protect your unit during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the unit due to lightning and power line surges.
  • Page 36 IMPORTANT RECYCLING INFORMATION This product utilizes both a Cathode Ray Tube (CRT) and other com- ponents that contain lead. Disposal of these materials may be regu- lated in your community due to environmental considerations. For disposal or recycling information, please contact your local athori- ties, or the Electronic Industries Alliance: http://www.eiae.org TABLE OF CONTENTS FEATURES ............
  • Page 37 LOCATION OF CONTROLS Illustration of AV-24F703 FRONT BACK ANT(75‰) VIDEO VIDEO L/MONO L/MONO AUDIO AUDIO S-VIDEO VIDEO 1 VIDEO 2 POWER POWER VIDEO 3 IN VIDEO L/MONO AUDIO ON TIMER CHANNEL VOLUME HOW TO OPEN THE FRONT DOOR 1. POWER Button - Press to turn the TV on or off.
  • Page 38 REMOTE CONTROL 1. TV/CATV Switch - Used to select the TV or Cable Box to be operated. (You can operate your cable box TV CATV POWER after you have programed the remote control.) STANDARD 2. VCR/DVD switch - Used to select the VCR or DVD to be operated.
  • Page 39 Cable Box • The CH +/– and VOL +/– buttons are also used to may have to be reset (see page 8). navigate JVC’s onscreen menu system. • You can directly access specific channels using the EFFECTIVE DISTANCE OF THE REMOTE 10-key pad.
  • Page 40 REMOTE CONTROL (CONTINUED) REMOTE PROGRAMMING Setting the CATV, VCR and DVD Codes You can program your remote to operate your cable box, satellite receiver, VCR or DVD player by using the instructions and codes listed below. If the equipment does not respond to any of the codes listed below or to the code search function, use the remote control supplied by the manufacturer.
  • Page 41 VCR setup The remote control is programmed with VCR codes for power on, power off, play, stop, fast-forward, rewind, pause, record, channel up, and channel down operation. 1) Find the VCR brand from the list of codes shown below. 2) Slide the first 2-way selector switch to “TV ”and the other 2-way selector switch to “VCR ”. 3) Press and hold down the DISPLAY button.
  • Page 42 REMOTE CONTROL (CONTINUED) DVD setup The remote control is programmed with DVD codes for power on, power off, play, stop, fast-forward, rewind, previous chapter, next chapter, tray open/close, and still/pause operation. 1) Find the DVD player brand from the list of codes shown below. 2) Slide the first 2-way selector switch to “TV ”...
  • Page 43 VIDEO 1 VIDEO 2 300 ohm Twin-lead Wire (not supplied) provided by the cable company. Illustration of AV-24F703 VHF Antenna Separate VHF/UHF Antennas Single 75 ohm Cable Connect the 75 ohm Cable from the VHF antenna and the UHF antenna Twin-lead to a combiner (not supplied). Attach the Combiner to the Antenna Jack.
  • Page 44 CONNECTION TO OTHER EQUIPMENT The exact arrangement you use to interconnect various video and audio components to the TV is dependent on the model and features of each component. Check the User’s Guide provided with each component for the location of video and audio inputs and outputs.
  • Page 45 SETTING LANGUAGE This TV can display the channel number, on-screen displays and picture adjustments on the screen in English, Spanish or French. On-screen language selection (step 3) will automatically appear on the screen when you press the MENU button initially. Select the language you prefer first, then proceed with the other menu options.
  • Page 46 TO MEMORIZE CHANNELS This TV is equipped with a channel memory feature which AUTOMATIC CHANNEL MEMORY allows channels to skip up or down to the next channel set MENU Press the MENU button. into memory, skipping over unwanted channels. CLOCK SET ON/OFF TIMER Before selecting channels, they must be programmed into CH SET-UP...
  • Page 47 TO MEMORIZE CHANNELS (CONTINUED) CH LABEL You can labal every channel up to 4 characters. Channel labels will appear over the channel number display each time you select a channel. Select a channel you want to label by pressing Go to step 7 when you select the "SET". the 10-key pad or CH + or - button.
  • Page 48 SETTING V-CHIP (continued) for U.S. TV RATING MOVIE RATING VOL – ( ) VOL + ( ) VOL – ( ) VOL + ( ) TV–Y TV-Y7 TV-G TV-PG TV-14 PG-13 NC-17 TV-MA TV-Y : all children : parental guidance TV-PG : all ages : under 17 years old...
  • Page 49 TV BASIC OPERATION RETURN button Before operate your TV select TV position of the TV/CATV Returns to the channel viewed just before the channel switch on the remote to control the TV with the remote. currently onscreen. To turn on the TV, press the POWER button. CH 012 CH 007 The VOLUME can be adjusted to a desired level by...
  • Page 50 INPUT button Selects the signal input source for the The input source changes as below. television or Video1,2,3 or Component VIDEO 1 VIDEO1 VIDEO2 VIDEO3 for video devices like VCR's, DVD players, or camcorders. COMPONENT STEREO AND SEPARATE AUDIO PROGRAM (SAP) The TV is equipped with a feature known as Multi-channel LISTENING TO SAP (SEPARATE AUDIO PROGRAM) TV Sound or MTS.
  • Page 51 PICTURE ADJUSTMENTS You can adjust the settings for color, sharpness, con- Press the VOL + ( ) or – ( ) button to adjust the trast, brightness, tint and component. setting. Press the MENU button. – increase brightness decrease brightness BRIGHTNESS Press the CH + ( ) or –...
  • Page 52 CLOSED CAPTION WHAT IS CLOSED CAPTIONING? Most other shows provide two or three lined Captions This television has the capability to decode and display placed near the character who is speaking so the viewer Closed Captioned television programs. Closed can follow the dialogue. Words in italics or underlined Captioning will display text on the screen for hearing describe titles, words in foreign languages or words impaired viewers or it will translate and display text in...
  • Page 53 ON/OFF TIMER ON TIMER SETTING This feature allows you to have the TV automatically turn "ON" at predetermined time. If you program the "ON" timer once the timer will turn "ON" the TV daily at the same time and to the same channel. If the power has been turned on at programmed time, the channel is changed to a programmed one.
  • Page 54 • The remote is preset with the code 000 to control record, rewind, fast-forward, stop, pause, channel scan, JVC-brand VCR's. For any other manufacturer's brand TV /VCR, power on, and power off. VCR, please see the code chart and instructions on page 9.
  • Page 55 TROUBLESHOOTING GUIDE Before requesting service, please refer to the following chart for the symptom and possible solution. SYMPTOMS POSSIBLE SOLUTIONS • Make sure the power cord is plugged in. • Try another AC outlet. TV does not operate • Power is off, check fuse or circuit breaker. •...
  • Page 56 Remote Control Batteries (2 x AA) Specifications are subject to change without notice. JVC COMPANY OF AMERICA JVC CANADA, INC. Division of U.S. JVC CORP. 21 Finchdene Square 1700 Valley Road Scarborough, Ontario Wayne, New Jersey 07470 Canada M1X 1A7...
  • Page 57 STOP PAUSE OPEN/CLOSE STILL/PAUSE Illustration du AV-24F703 et RM-C309G REMARQUE: Veuillez inscrire dans les espaces ci-dessous le n˚ de série de votre téléviseur (sités à l'arrière du téléviseur). Agrafez votre reçu ou votre facture à la page intérieure de ce guide. Rangez ce manuel dans un lieu où...
  • Page 58 Le signe représentant un éclair dans un triangle équilatéral a pour ATTENTION but d'avertir l'utilisateur du danger présenté par des pièces non isolées RISQUE DE CHOC ELECTRIQUE à l'intérieur de l'appareil et dont la tension est suffisante pour provoquer NE PAS OUVRIR des décharges électriques dangereuses.
  • Page 59 13. Orage électrique Pour éviter les dommages causés par la foudre ou les soudaines hausses de tension, débranchez l'appareil de la prise électrique et déconnectez l'antenne ou le système de câblodistribution si l'appareil doit rester sans surveillance et inutilisé pendant une longue période. 14.
  • Page 60 IMPORTANTES INFORMATIONS DE RECYCLAGE Ce produit utilise à la fois un tube cathodique et d’autres com- posants qui contiennent du plomb. Il se peut que l’évacuation de ces matériaux soit réglementée dans votre communauté afin de pro- téger l’environnement. Pour de plus amples renseignements sur l’é- vacuation ou le recyclage, veuillez contacter vos autorités locales ou l’association Electronic Industries Alliance à...
  • Page 61 EMPLACEMENT DES COMMANDES Illustration of AV-24F703 VUE AVANT VUE ARRIERE ANT(75‰) VIDEO VIDEO L/MONO L/MONO AUDIO AUDIO S-VIDEO VIDEO 1 VIDEO 2 POWER POWER VIDEO 3 IN VIDEO L/MONO AUDIO ON TIMER CHANNEL VOLUME COMMENT OU VRIR LE PANNEAU FRONTAL 1.
  • Page 62 TÉLÉCOMMANDE 1. Sélecteur TV/CATV - Permet de sélectionner le télécouleur ou décodeur câble à commander. (Vous TV CATV pouvez commander votre décodeur câble après avoir POWER programmé la télécommande.) STANDARD 2. Commutateur VCR/DVD - Utilisez ce commutateur pour choisir l'appareil, magnétoscope ou lecteur de INPUT DVD, à...
  • Page 63 (voir page 8). • Les boutons CH +/– et VOL +/– servent également à la navigation dans le système JVC de menus à l’écran. DISTANCE EFFICACE DE • Vous pouvez accéder directement à des canaux FONCTIONNEMENT DE LA TELECOMMANDE particuliers à...
  • Page 64 TÉLÉCOMMANDE (SUITE) PROGRAMMATION AVEC LA TÉLÉCOMMANDE Réglage du récepteur CATV, magnétoscope ou DVD Vous pouvez programmer votre télécommande pour qu'elle puisse commander votre récepteur câble ou satellite en utilisant les instructions et les codes indiqués ci-dessous. Si l'équipement ne répond à aucun de ces codes ou à...
  • Page 65 Configuration du magnétoscope Le boîtier de télécommande est programmé à l'aide de codes pour la mise en service, ou la mise hors service du magnétoscope, la lecture, l'arrêt, le bobinage rapide vers la fin de la bande, le bobinage rapide vers le début de la bande, la pause, l'enregistrement, le choix du canal suivant ou du canal précédent.
  • Page 66 TELECOMMANDE (SUITE) Configuration du (DVD) La télécommande est programmée avec des codes DVD pour la mise sous tension, la mise hors tension, le canal précédent ou suivant et un fonctionnement sur 10 touches. 1. Repérez la marque dans la liste de codes ci-dessous. 2.
  • Page 67 Fil jumelé de 300 ohms VIDEO 1 VIDEO 2 (non fourni) regarder ces signaux, un Illustration du AV-24F703 Antenne VHF débrouilleur, en général fourni par la compagnie, est nécessaire. Câble unique de 75 ohms Antennes séparées VHF/UHF (câble de 75 ohms de l'antenne VHF et fil jumelé...
  • Page 68 CONNEXION À UN AUTRE APPAREIL La configuration exacte des liaisons entre les divers appareils audio et vidéo et le téléviseur, dépend du modèle et des particularités de chacun. Pour connaître l'emplacement des entrées et des sorties audio et vidéo, reportez-vous au mode d'emploi qui est fourni avec chaque appareil.
  • Page 69 CHOIX DE LA LANGUE Ce télécouleur peut afficher à l'écran le numéro du canal et les réglages d'image/sonores en français, en espagnol ou en anglais. En pressant la touche MENU au début, le choix de la langue d'affichage (étape 3) apparaît à l'écran automatiquement. Choisissez la langue pour se servir des autres options du menu.
  • Page 70 MISE EN MÉMOIRE DES CANAUX Les canaux disponibles dans votre région peuvent être SYNTONISATION AUTOMATIQUE DES CANAUX emmagasinés dans la mémoire de ce télécouleur. Ce qui permet de balayer tous les canaux mémorisés, en ordre MENU Pressez la touche MENU. REGLAGE HORLOGE MINU MAR/ARR croissant/décroissant, ou de sauter les canaux non désirés.
  • Page 71 MISE EN MÉMOIRE DES CANAUX (SUITE) S-TIT CANAL Vous pouvez donner un nom comportant 4 caractères à chaque canal. Les noms des canaux apparaissent au-dessus de l’affichage du numéro de canal chaque fois qu’un canal est choisi. Au moyen du pavé clavier numérique ou de la Passez à...
  • Page 72 UTILISATION DE LA PUCE V (SUITE) pour les Etats-Unis NIVEAU DE TÉLÉVISION NIVEAU D'UN FILM VOL + ( ) VOL – ( ) VOL – ( ) VOL + ( ) TV–Y TV-Y7 TV-G TV-PG TV-14 TV-MA PG-13 NC-17 TV-Y : tous les enfants TV-PG : assistance des parents...
  • Page 73 FONCTIONNEMENT DU TÉLÉCOULEUR Touche RETURN Pour agir sur le téléviseur au moyen du boîtier de Cette touche permet d'afficher l'image diffusée sur le canal télécommande, choisissez la position TV du sélecteur TV/ choisi immédiatement avant le canal actuellement utilisé. CATV de ce boîtier de télécommande. Pressez l'interrupteur (POWER) pour mettre l'appareil en circuit.
  • Page 74 Touche INPUT Cette touche permet de choisir la La source change comme suit. source appliquée au téléviseur, ou les VIDEO 1 VIDEO1 VIDEO2 VIDEO3 entrées Vidéo 1, 2, 3 ou Component pour les appareils vidéo tels que magnétoscopes, lecteurs de DVD ou COMPONENT caméscopes.
  • Page 75 RÉGLAGE DE L'IMAGE Vous pouvez régler différents paramètres concernant Appuyez sur la touche VOL + ( ) ou – ( ) pour faire l’image, à savoir les couleurs, la netteté, le contraste, la varier le réglage. luminosité et la teinte. –...
  • Page 76 SOUS-TITRAGE texte de nouvelles apparaissent normalement à l’écran. QUE SIGNIFIE SOUS-TITRAGE? La plupart des autres émissions offrent deux ou trois Ce télécouleur a la capacité de décoder et d’afficher les lignes de sous-titres près de la personne qui parle afin émissions télévisées avec sous-titres.
  • Page 77 MINU MAR/ARR POUR RÉGLER L’HEURE DE MISE SOUS TENSION Cette fonction vous permet de mettre le téléviseur sous tension à une heure donnée. Si vous programmez une fois la minuterie de mise sous tension, le téléviseur se mettra sous tension tous les jours à la même heure et sur le même canal. Si l'appareil a été...
  • Page 78 DVD. Ces fonctions comprennent : lecture, • La télécommande est préréglée avec le code 000 rembobinage, avance rapide, arrêt, image fixe/pause, pour commander les lecteurs DVD de marque JVC. image précédente/suivante, ouverture/fermeture du Pour un lecteur DVD de toute autre marque, reportez- plateau, mise en marche et mise à...
  • Page 79 GUIDE DE DÉPISTAGE DES PANNES Vérifiez d'abord les points suivants avant de faire appel à un service de réparation. SYMPTÔME SOLUTION POSSIBLE • Assurez-vous que le cordon d'alimentation soit branché. • Essayez une autre prise. L'appareil ne fonctionne pas. • Il n'y a pas de courant. Vérifiez le fusible ou le disjoncteur. •...
  • Page 80 ACCESSOIRE: Télécommande 2 piles “AA” Les spécitications peuvent changer sans préavis. JVC COMPANY OF AMERICA JVC CANADA, INC. Division of U.S. JVC CORP. 21 Finchdene Square 1700 Valley Road Scarborough, Ontario Wayne, New Jersey 07470 Canada M1X 1A7 3L30301A K 02/03 IMPRIMÉ...
  • Page 81 AV-24F703 SCHEMATIC DIAGRAMS COLOR TELEVISION AV-24F703 CD-ROM No. SML200204 TV CATV VCR DVD POWER STANDARD INPUT DISPLAY SLEEP TIMER RETURN C.C. LIGHT AUDIO SELECT RM-C309G MUTING ENTER MENU EXIT – VCR CHANNEL + VCR/DVD PREV NEXT POWER TV/VCR PLAY POWER...
  • Page 82 AV-24F703 AV-24F703 STANDARD CIRCUIT DIAGRAM CONTENTS SEMICONDUCTOR BASE CONNECTIONS ..............2-2 BLOCK DIAGRAM ......................2-3 SCHEMATIC DIAGRAMS ....................2-5 MAIN PCB MICON/TUNER SCHEMATIC DIAGRAM MAIN PCB CHROMA/IF SCHEMATIC DIAGRAM MAIN PCB DEFLECTION SCHEMATIC DIAGRAM MAIN PCB POWER SCHEMATIC DIAGRAM MAIN PCB SOUND SCHEMATIC DIAGRAM...
  • Page 83 AV-24F703 SEMICONDUCTOR BASE CONNECTIONS DIODE CATHOD ANOD 1N4937 10ELS6N-TA1B2 10ELS2N-TA1B2 SLR-342VCT32 1SS133T-77 11E1-EIC RM11C-EIC AU02A-EIC 30DF6-FC RU-4AM MTZJ12B T-77 SB290S MTZJ15B T-77 MTZJ18B T-77 MTZJ30B T-77 MTZJ33A T-77 MTZJ5.6B T-77 MTZJ6.2B T-77 MTZJ8.2B T-77 MTZJ9.1B T-77 RS-4FS TB1253N M62420SP AN5829S...
  • Page 84 AV-24F703 AV-24F703 BLOCK DIAGRAM SPEAKER SPEAKER SP1001 SP1002 TU001 IC198 MICON HEAD S-24C16AFJA-TB-01 IC101 OEC7075A PHONE JACK J1001 MEMORY SOUND AMP IC1001 AN5276 YUV IN CHROMA IC IC201 TB1253N 24 25 43 44 IC301 NJM2150AM 18 19 V OUT SOUND DECORDER...
  • Page 85 AV-24F703 AV-24F703 SCHEMATIC DIAGRAMS [MAIN PCB MICON/TUNER SCHEMATIC DIAGRAM] MICON/TUNER SCHEMATIC DIAGRAM (MAIN PCB) OS101 RPM7138-H5 ACCESORY TU001 ENV56DB6G3 TEST POINT CP101 BT001 173979-7 R6P(AR)XICI R003 I2C_SCL TM101 330K I2C_SDA BT002 R111 EUR524339 R6P(AR)XICI I2C_OFF H-BUFFER Q102 2SC2412K C003 RED LED...
  • Page 86 AV-24F703 AV-24F703 [MAIN PCB CHROMA/IF SCHEMATIC DIAGRAM] CHROMA/IF SCHEMATIC DIAGRAM (MAIN PCB) FROM/TO AV C_V_OUT_SW Y_V_OUT_SW FROM/TO MICON/TUNER TUNER_VIDEO R214 SYNC_OUT TUNER_AUDIO_L AUDIO TUNER_AUDIO_R BUFFER C213 Q201 2SC2412K OSD_B OSD_G C615 R608 FROM AV OSD_R C212 1/4W W820 R205 TV BUFFER 0.01 B...
  • Page 87 AV-24F703 AV-24F703 [MAIN PCB DEFLECTION SCHEMATIC DIAGRAM] DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) V.OUTPUT IC IC401 LA78041 THERMAL PROTECTION PUMP UP 25.0 12.0 25.0 R407 5.6K BUFFER Q408 BUFFER KTA1266 Q409 R448 KTA1266 C411 R414 500V 27K +-1% R417 33K FROM/TO DY...
  • Page 88 AV-24F703 AV-24F703 [MAIN PCB POWER SCHEMATIC DIAGRAM] POWER SCHEMATIC DIAGRAM (MAIN PCB) 6.3A 125V CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 6.3A 125V(F501) ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE N'UTILISER QUE DES FUSIBLE DE MEME TYPE 6.3A 125V(F501)
  • Page 89 AV-24F703 AV-24F703 [MAIN PCB SOUND SCHEMATIC DIAGRAM] SOUND SCHEMATIC DIAGRAM (MAIN PCB) FROM AV R314 SW_AUDIO_R 8.2K R324 C334 1.8K 0.033 B SW_AUDIO_L C332 R326 C331 0.47 B 100 1/4W 0.022 R328 R301 C306 R303 C308 0.0033 0.033 1.8K TONE...
  • Page 90 AV-24F703 AV-24F703 [MAIN PCB AV SCHEMATIC DIAGRAM] AV SCHEMATIC DIAGRAM (MAIN PCB) TO CHROMA/IF CD701A CH243001 YUV_IN(REAR) J704 MSP-213V1-652_PBSN A/V_OUT(REAR) J708 MSP-213V2-432_PBSN LINE2(REAR) J703 FROM POWER MSP-213V2-432_PBSN L703 P.CON+9V 47uH 0305 C713 R751 C714 R752 FROM/TO COMB/FILTER SW_VIDEO_OUT C715 R713...
  • Page 91 AV-24F703 AV-24F703 [MAIN PCB COMB/FILTER SCHEMATIC DIAGRAM] COMB/FILTER SCHEMATIC DIAGRAM (MAIN PCB) L1505 L1511 15uH 0305 15uH 0305 C1523 120P CH 8.78 3.80 BUFFER BUFFER 4.92 8.15 Q1506 2.77 Q1503 W852 C1513 BUFFER 2SA1037AK 1.50 2SC2412K Q1505 0.1 B 2.14...
  • Page 92 AV-24F703 AV-24F703 [CRT PCB AND VM COIL PCB SCHEMATIC DIAGRAMS] CRT PCB SCHEMATIC DIAGRAM PCB110 TCA391 TP804 R828 2.7K 1/4W RED AMP Q801 R813 123.5 KTC4217(O,Y) 220 1/4W D801 VM+12V IC 1SS133 RED AMP IC851 Q810 R801 KIA78L12BP-AT KTC3199_Y FROM DEFLECTION...
  • Page 93 AV-24F703 AV-24F703 PATTERN DIAGRAMS [MAIN PCB PATTERN (INSERTED PARTS)] CP801A W006 W826 D411 J702 Q410 CP101 D407 J701 J703 J704 J708 CD701A W158 C427 L703 W801 CP851A HS401 R734 C442 C428 W861 D409 W065 W064 W063 C418 L403 C004 CP401...
  • Page 94 AV-24F703 AV-24F703 [MAIN PCB PATTERN (CHIP MOUNTED PARTS)] Q705 Q108 R737 IC198 R104 R731 Q704 R510 Q1503 R1507 R1506 C336 C554 C136 R155 C920 R319 R1504 C334 R532 Q509 C928 R324 R111 C137 C1514 C926 C330 C923 C333 R303 R146...
  • Page 95 AV-24F703 AV-24F703 [CRT PCB PATTERN] Q803 L804 CP804 R830 W001 D803 L802 Q801 R828 C863 C864 L803 D801 C865 C852 R813 R829 R810 C821 R815 Q802 R811 C804 R817 D802 W003 C806 R803 R862 W805 R858 R821 R863 W008 R861...
  • Page 96 AV-24F703 WAVEFORMS MICON/TUNER 1 1V 0.1µs/div 1V 20µs/div 11 0.5V 20µs/div 2 1V 1µs/div 7 1V 20µs/div 12 1V 2µs/div 0.5V 10ms/div 3 1V 50µs/div 13 1V 20µs/div 4 1V 0.1ms/div 9 1V 50µs/div 14 2V 20µs/div CHROMA/IF 10 2V 20µs/div 5 1V 50µs/div...
  • Page 97 AV-24F703 DEFLECTION 16 2V 5ms/div 21 200V 50µs/div 26 5V 2ms/div SOUND 27 5V 2ms/div 22 2V 5ms/div 17 20V 5ms/div 18 10V 10ms/div 23 2V 5ms/div 28 200mV 20µs/div 19 20V 20µs/div 24 2V 5ms/div 29 200mV 20µs/div 20 2V 20µs/div 25 2V 5ms/div 30 2V 20µs/div...
  • Page 98 AV-24F703 31 1V 50µs/div 38 50V 20µs/div 39 50V 20µs/div 32 2V 5ms/div 33 2V 5ms/div 34 0.5V 20µs/div CRT/SVM 37 50V 20µs/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 99 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. Head office : 1700 Valley Road, Wayne, New Jersey 07470 (973)317-5000 East Coast : 10 New Maple Avenue, Pine Brook, New Jersey 07058 (973)396-1000 Midwest (630)851-7855 705 Enterprise St. Aurora, Illinois 60504...