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Sony TRINITRON HMD-A240 Service Manual

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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE MANUAL

ORIGINAL MANUAL ISSUE DATE: 1/8/2002
ALL REVISIONS AND UPDATES TO THE ORIGINAL MANUAL ARE APPENDED TO THE END OF THE PDF FILE.
REVISION DATE
1/8/2002
9-978-884-01
REVISION TYPE
SUBJECT
No revisions or updates are applicable at this time.
HMD-A240
US/Canada Model
Chassis No: SCC-L38A-A
17VC
TRINITRON
COLOR MONITOR
®
HMD-A240
CHASSIS

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Summary of Contents for Sony TRINITRON HMD-A240

  • Page 1: Service Manual

    HISTORY INFORMATION FOR THE FOLLOWING MANUAL: HMD-A240 SERVICE MANUAL HMD-A240 US/Canada Model Chassis No: SCC-L38A-A 17VC CHASSIS ORIGINAL MANUAL ISSUE DATE: 1/8/2002 ALL REVISIONS AND UPDATES TO THE ORIGINAL MANUAL ARE APPENDED TO THE END OF THE PDF FILE. REVISION DATE REVISION TYPE SUBJECT 1/8/2002...

  • Page 2: Color Monitor

    Self Diagnosis Supported model HMD-A240 SERVICE MANUAL HMD-A240 Trinitron US/Canada Model Chassis No: SCC-L38A-A 17VC CHASSIS SPECIFICATIONS Picture tube 0.24 mm aperture grill pitch (center) Power Consumption 100 W 17 inches measured diagonally 90-degree defl ection Defl ection frequency Horizontal: 30 to 75 kHz Vertical: 48 to 120 Hz Video image area (16.1"...

  • Page 3: Table Of Contents

    HMD-A240 TABLE OF CONTENTS SECTION TITLE PAGE Power Management..........................4 Self Diagnosis Function ..........................4 Timing SpeciÞ cation..........................4 Warnings and Cautions..........................5 Safety Check Out ............................. 6 1. Disassembly 1-1. Cabinet Removal ..........................7 1-2. Service Position..........................7 1-3. A & D Board Removal........................8 1-4.

  • Page 4: Power Management

    HMD-A240 POWER MANAGEMENT The power saving mode complies with the VESA Display Power Management Signaling standard. Each state of power management shall be activated by the host computer terminating the appropriate sync signals. Blanking the video must precede termination of the sync signals. The elapsed time counter shall also be controlled by the host computer.

  • Page 5: Warnings And Cautions

    Ne les remplacer que par des composants sony dont le numero de piece est indique dans le present manuel ou dans des supplements publies par sony. Les reglages de circuit dont l’importance est critique pour la securite du fonctionnement sont identiÞ...

  • Page 6: Safety Check Out

    HMD-A240 SAFETY CHECK-OUT Leakage Test After correcting the original service problem, perform the following The AC leakage from any exposed metal part to earth ground and from all safety checks before releasing the set to the customer: exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes).

  • Page 7: Disassembly

    HMD-A240 SECTION 1: DISASSEMBLY 1-1. CABINET REMOVAL Remove (4) Screws (+BVTP 4 x 16) Release top claws - Insert the tip of a ß athead screwdriver approximately 0.25" to unlock the claw. Gently lift up and then back to remove the cabinet.

  • Page 8: A & D Board Removal

    HMD-A240 1-3. A & D BOARD REMOVAL Remove (1) screw (+BVTP 3 x 8) from the cable holder at the rear of the chassis base to release the cable. Remove (2) screws (+BVTP 3 x 8) from the rear of the D Board and remove the rear of the chassis base.

  • Page 9: Picture Tube Removal

    HMD-A240 1-4. PICTURE TUBE REMOVAL Place the unit face down on a cushion to avoid scratching. Remove the anode cap. Remove (4) screws (Screw (5) Tapping) from the CRT. Remove the A board. Remove the neck assembly. Remove the deß ection yoke. Remove (2) screws (BVTP 4 x 16) from the base assembly and slide out to remove.

  • Page 10: Safety Related Adjustments

    HMD-A240 SECTION 2: SAFETY RELATED ADJUSTMENTS When replacing parts shown in the table below, the following 2-2. HV PROTECTOR CIRCUIT CHECK operational checks must be performed as a safety precaution against X-ray emissions from the unit. ConÞ rm that the voltage between cathode of D517 and GND is more than 27.0 VDC.

  • Page 11: Adjustments

    HMD-A240 SECTION 3: ADJUSTMENTS Connect the communication cable of the connector located on the D Board on the monitor. Run the service software and then follow the instructions. 3-702-691-01 1-690-391-21 A-150-919-A Connector Attachment Interface Unit IBM at Computer To BUS CONNECTOR as a Jig D-Sub Mini Din...

  • Page 12: Vertical And Horizontal Position And Size Speciþ Cation

    HMD-A240 TB Pin Movement 14. Adjust XCV with XCV VR. XCV Movement Adjust V.SIZE with "VSIZE". Change "CONV_SW" to "0" and "MCR2" to "153". 15. Adjust YCH with YCH VR. Display crosshatch pattern with red and blue lines and black Þ eld. YCH Movement Adjust H.STAT and V.STAT with 4 pole magnet.

  • Page 13: Focus Adjustment

    HMD-A240 3-6. FOCUS ADJUSTMENT Convergence (High) Mode Adjust the H.STAT and V.STAT with "HSTAT-HI" and "VSTAT-HI". Adjust Focus (V) and Focus (H) for optimum focus. Horizontal Convergence YBH-T-HI CBH-T-HI CBH-T-R-HI MBH-T-L-HI MBH-T-R-HI APH-L-HI APH-R-HI Focus (V) HSTAT-HI MBH-B-L-HI MBH-B-R-HI CBH-B-L-HI CBH-B-R-HI Focus (H) YBH-B-HI...

  • Page 14: Diagrams

    HMD-A240 SECTION 4: DIAGRAMS 4-1. CIRCUIT BOARDS LOCATION The components identiÞ ed by shading and symbol are critical for safety. Replace only with part number speciÞ ed. The symbol indicates a fast operating fuse and is displayed on the component side of the board.

  • Page 15: Block Diagram And Schematics

    HMD-A240 4-3 BLOCK DIAGRAMS AND SCHEMATICS BLOCK DIAGRAM (1/2) — 15 —...
  • Page 16 HMD-A240 BLOCK DIAGRAM (2/2) — 16 —...

  • Page 17: A Board - Schematic Diagram

    HMD-A240 A BOARD - SCHEMATIC DIAGRAM — — — — — — — A BOARD IC VOLTAGE LIST — IC001 IC002 79.4 IC003 IC004 volt volt volt volt 67.3 11.9 11.9 56.6 61.0 11.9 0.06 11.9 62.4 56.3 11.9 178.8 0.07 54.4 —...
  • Page 18 HMD-A240 [Video] COMPONENT SIDE .725 Vp-p (H) .705 Vp-p (H) .701 Vp-p (H) 3.188 Vp-p (H) 2.938 Vp-p (H) 2.769 Vp-p (H) 40.94 Vp-p (H) 38.75 Vp-p (H) 35.94 Vp-p (H) CONDUCTOR SIDE A BOARD LOCATOR LIST DIODE COMP COND D001 D104 D105...

  • Page 19: D Board - Schematic Diagram

    D BOARD - SCHEMATIC DIAGRAM HMD-A240 TO H1 BOARD CN801 CN904 STBY 5V STBY 5V IIC SCL IIC SCL IIC SDA IIC SDA FB902 JW(5) STBY KEY SCAN IC702 IC703 LED RED -15V STK391-120 LA6510 LED GRN — D CONV OUT S CONV OUT IC904 C912...
  • Page 20 HMD-A240 D BOARD IC VOLTAGE LIST 10.7 IC401 IC601 IC607 IC703 volt volt volt volt 77.4 -0.1 14.3 10.4 4.43 Vp-p (H) 3.14 Vp-p (H) -13.3 -14.4 -75.7 IC608 volt -14.8 13.8 -65.7 12.1 -66.1 5.11 Vp-p (H) 5.51 Vp-p (H) IC501 -75.1 volt...
  • Page 21 HMD-A240 [POWER] [CONVERGENCE] COMPONENT SIDE D BOARD LOCATOR LIST DIODE DIODE COMP COND COMP COND COMP COND D401 D611 IC401 D402 D612 IC501 D403 D613 IC502 D404 D614 IC601 D501 D616 IC602 D502 D617 IC603 D503 D-10 D618 IC604 D504 D619 IC605 D505...
  • Page 22 HMD-A240 [POWER] [CONVERGENCE] CONDUCTOR SIDE — 22 —...

  • Page 23: H1 Board - Schematic Diagram

    HMD-A240 H1 BOARD - SCHEMATIC DIAGRAM — — — — — [Front Panel] — 23 —...

  • Page 24: J Board - Schematic Diagram

    HMD-A240 J BOARD - SCHEMATIC DIAGRAM — — — — 24 —...

  • Page 25: Semiconductors

    HMD-A240 4-4. SEMICONDUCTORS 2SC2610 2SC1623-L5L6 DTC143ESA 2SC4634LS-CB11 2SA1037AK-T146-R 2SC3941A-Q(TA) DTA114EKA-T146 HZU5.6B2TRF MTZJ-T-77-12B D1NS6 2SK2605LBSONY 2SA1175-HFE ERC81-004 D1NL40-TA2 2SK3155-01 2SC2785-HFE EGP10D UF4007G23 2SK2098-01MR-F119 DTC114TSA RGP10JPKG23 RGP02-20EL-6394 2SK2843LBS2SONY 2SC3311A-QRSTA RGP10DG23 ERB91-02 IRFU110A RL3Z-LF014-302 LETTER SIDE CATHODE CATHODE ANODE ANODE 1SS119-25 D4SB60L HSS83TD RD5.1ESB2 1SS355TE-17 RD5.6ESB2...

  • Page 26: Exploded Views

    COIL, DEGAUSSING 4-086-076-01 BUTTON, POWER 4-080-810-21 BAND (L), DEGAUSS COIL 4-086-077-01 GUIDE, LED A-1300-165-A A COMPLETE PC BOARD 4-086-075-01 BUTTON, MENU 4-042-353-42 EMBLEM(NO.7), SONY X-4039-842-1 CABINET ASSY 17-21 4-086-081-01 COVER, SIDE(L) 1-452-032-00 MAGNET,DISC 4-086-084-01 COVER, TOP 4-086-695-01 LABEL, INFORMATION 8-738-556-05...

  • Page 27: Chassis

    HMD-A240 NOTE: The components identiÞ ed by shading and mark are critical for safety. NOTE: Les composants identiÞ es par un trame et une marque sont critiques pour Replace only with part number speciÞ ed. la securite. Ne les remplacer que par une piece portant le numero speciÞ e. 5-2.

  • Page 28: Packing Materials

    HMD-A240 NOTE: The components identiÞ ed by shading and mark are critical for safety. NOTE: Les composants identiÞ es par un trame et une marque sont critiques pour Replace only with part number speciÞ ed. la securite. Ne les remplacer que par une piece portant le numero speciÞ e. 5-3.

  • Page 29: Electrical Parts List

    HMD-A240 SECTION 6: ELECTRICAL PARTS LIST NOTE: The components identiÞ ed by shading RESISTORS The components in this manual identiÞ ed by the following mark are critical for safety. Replace only • All resistors are in ohms symbol: indicate parts that have been carefully factory- with part number speciÞ...
  • Page 30 HMD-A240 NOTE: Les composants identiÞ es par un trame et une NOTE: The components identiÞ ed by shading and marque sont critiques pour la securite. Ne les mark are critical for safety. Replace only with remplacer que par une piece portant le numero speciÞ e. part number speciÞ...
  • Page 31 HMD-A240 NOTE: Les composants identiÞ es par un trame et une NOTE: The components identiÞ ed by shading and marque sont critiques pour la securite. Ne les mark are critical for safety. Replace only with remplacer que par une piece portant le numero speciÞ e. part number speciÞ...
  • Page 32 HMD-A240 NOTE: Les composants identiÞ es par un trame et une NOTE: The components identiÞ ed by shading and marque sont critiques pour la securite. Ne les mark are critical for safety. Replace only with remplacer que par une piece portant le numero speciÞ e. part number speciÞ...
  • Page 33 HMD-A240 NOTE: Les composants identiÞ es par un trame et une NOTE: The components identiÞ ed by shading and marque sont critiques pour la securite. Ne les mark are critical for safety. Replace only with remplacer que par une piece portant le numero speciÞ e. part number speciÞ...
  • Page 34 HMD-A240 NOTE: Les composants identiÞ es par un trame et une NOTE: The components identiÞ ed by shading and marque sont critiques pour la securite. Ne les mark are critical for safety. Replace only with remplacer que par une piece portant le numero speciÞ e. part number speciÞ...
  • Page 35 HMD-A240 NOTE: Les composants identiÞ es par un trame et une NOTE: The components identiÞ ed by shading and marque sont critiques pour la securite. Ne les mark are critical for safety. Replace only with remplacer que par une piece portant le numero speciÞ e. part number speciÞ...
  • Page 36 HMD-A240 NOTE: Les composants identiÞ es par un trame et une NOTE: The components identiÞ ed by shading and marque sont critiques pour la securite. Ne les mark are critical for safety. Replace only with remplacer que par une piece portant le numero speciÞ e. part number speciÞ...
  • Page 37 HMD-A240 A component identiÞ ed by this symbol indicates that it NOTE: The components identiÞ ed by shading has been carefully factory-selected to satisfy regulations mark are critical for safety. Replace only regarding X-ray radiation. Should replacement be required, with part number speciÞ ed. replace only with the value originally used.
  • Page 38 R804 1-243-762-91 CARBON 1/4W R805 1-249-419-11 CARBON 1.5K 1/4W R806 1-247-843-11 CARBON 3.3K 1/4W SWITCH S801 1-771-734-11 SWITCH TACTILE Sony Corporation English Sony Technology Center 2002AJ74WEB-1 Technical Services Printed in USA 9-978-884-01 Service Promotion Department © 2001.1 — 38 —...
  • Page 39 D BOARD - SCHEMATIC DIAGRAM IIC SCL IIC SDA KEY SCAN IC702 IC703 -15V STK391-120 LA6510 — D CONV OUT S CONV OUT IC701 L901 R743 R741 CXA8070AP 0.82 0.82 :FPRD CONV. CONTROL 5V-2 STBY 5V :FPRD TO CONVERGENCE C716 H CONV_CLP YOKE C709...
  • Page 40 HMD-A240 TO H1 BOARD CN801 CN904 STBY 5V STBY 5V IIC SCL FB902 IIC SDA JW(5) STBY SCAN LED RED LED GRN IC904 C912 R925 4.7k CN901 PST9143NL :CHIP RESET TEST R926 :CHIP :S-MICRO D905 DCONV SW C910 1SS355TE-17 R903 D GND :CHIP ROTATION...
  • Page 41 Q520 1/2W 250V IC601 L503 2SJ449 STBY OFF T504 C518 TEA1504-N2 R621 C622 D506 D524 H.REG D502 177.7 D606 D617 4300p SW REG HSS83 MAIN ON D3S4M FMQ-G1FS 1800V RGP10JPKG23 CONTROL :CHIP UF4007G23 100V R581 C575 R602 C574 MAIN CNT C579 D516 4.7M...
  • Page 42 R530 C543 180V 100p L507 C550 C576 Q503 JW(5) CH:CHIP C564 R583 2SJ449 0.47 D509 CH:CHIP B:CHIP HV REG NNCD12A-T1 C526 53.2 2200p R584 500V 4.7k R531 :CHIP R572 0.47 1/2W R527 L501 :FPRD 178.1 D513 Q510 R541 C527 C524 D1NL40 STP4NB80FP R568...
  • Page 43 4-086-970-12 (1) Trinitron Color â Computer Display Operating Instructions Mode d’emploi Manual de instrucciones HMD-A240 HMD-A440 © 2002 Sony Corporation...
  • Page 44 Laguna Mainar No. 5520, Seccion C Sony Customer Information Center Parque Industrial El Lago 1 Sony Drive, Mail Drop #T1-11, Park Ridge, NJ 07656 USA Tijuana, B.C. Mexico C.P. 22570 Tel. (6) 625-32-16, RFC STE-961001-959 The number below is for FCC related matters only.
  • Page 45 • Trinitron and FD Trinitron are registered trademarks of Sony Corporation. Precautions ....... . 3 •...

  • Page 46: Adjustments

    Setup Adjustments Navigating the menu Connecting your monitor to your computer Press the center of the joystick to display the main menu. Main menu Video signal cable to HD15 of the of the monitor connecting computer Connecting to a Macintosh or compatible computer When connecting this monitor to a Macintosh computer, use the the horizontal...
  • Page 47 On-Screen menu adjustments Main menu icons and adjustment Sub menu icons and adjustment items items Horizontal position Horizontal size Adjusting the size or centering of Vertical position the picture Vertical size Enlarge/reduce Rotating the picture Expanding or contracting the picture sides Adjusting the shape of the picture Shifting the picture sides to the left or right Adjusting the picture width at the top of the screen...

  • Page 48: Technical Features

    Technical Features Troubleshooting x No picture Preset and user modes If the 1 (power) indicator is not lit • Check that the power cord is properly connected. When the monitor receives an input signal, it automatically matches the • Check that the 1 (power) switch is in the “on” position. signal to one of the factory preset modes stored in the monitor’s memory to The 1 (power) indicator is orange (see “Preset mode timing table”...
  • Page 49 x Color is not uniform On-screen messages • Degauss the monitor.* If you place equipment that generates a magnetic field, such as a speaker, near the monitor, or if you change INFORMATION the direction the monitor faces, color may lose uniformity. x White does not look white OUT OF SCAN RANGE •...

  • Page 50: Specifications

    1 (power) indicator and inform your authorized Operating temperature 10 ºC to 40 ºC Sony dealer of the monitor’s condition. Be sure to note the model Approx. 461 × 479 × 471 mm (w/h/d) Dimensions name and serial number of your monitor. Also note the make and /8 ×...
  • Page 51 Table des Matières Sony Corporation. Précautions ....... . 3 •...

  • Page 52: Navigation Dans Le Menu

    Configuration Réglages Navigation dans le menu Raccordez votre moniteur à votre ordinateur Appuyez au centre du joystick pour afficher le menu principal. Menu principal SORTIR TAILLE/CENTRE GEOMETRIE Câble de signal vidéo vers le HD15 de COULEUR du moniteur l’ordinateur raccordé CONVERGENCE LANGUAGE OPTION...
  • Page 53 Réglages du menu d’écran Icônes du menu principal et éléments Icônes du sous-menu et éléments de réglage de réglage Position horizontale Taille horizontale Réglage de la taille ou du centrage Position verticale de l’image Taille verticale Agrandissement/Réduction Rotation de l’image Étirement ou contraction des côtés de l’image Réglage de la forme de l’image Déplacement des bords de l’image vers la droite ou la gauche...
  • Page 54 Caractéristiques Dépannage techniques x Aucune image Si l’indicateur 1 (alimentation) est éteint • Assurez-vous que le cordon d’alimentation est raccordé correctement. Modes préréglés et personnalisés • Vérifiez que l’interrupteur 1 (alimentation) est en position activée (on). L’indicateur 1 (alimentation) est allumé en orange Lorsque le moniteur reçoit un signal d’entrée, il compare automatiquement le •...
  • Page 55 x Les couleurs ne sont pas uniformes Messages à l’écran • Démagnétisez le moniteur.* Si vous placez à côté du moniteur un appareil qui génère un champ magnétique, comme un haut-parleur, ou si INFORMATIONS vous changez l’orientation du moniteur, il est possible que les couleurs perdent leur uniformité.
  • Page 56 Environ 130 W secondes entre les clignotements oranges de l’indicateur Température d’utilisation 1 (alimentation) et informez votre revendeur Sony agréé de l’état du 10 ºC à 40 ºC moniteur. Notez soigneusement le modèle et le numéro de série du Environ 461 × 479 × 471 mm (l/h/p) Dimensions moniteur.
  • Page 57 â • Trinitron y FD Trinitron son marcas comerciales registradas de Sony Índice Corporation. Precauciones ....... 3 •...

  • Page 58: Ajuste Del Brillo Y El Contraste

    Configuración Ajustes Navegación por el menú Conexión del monitor a la computadora Oprima el centro del botón de control para mostrar el menú principal. Menú principal SALIR Cable de señal de a HD15 de la computadora TAMANÕ/CENTRO vídeo del monitor GEOMETRIA conectado COLOR...
  • Page 59 Ajustes de menús en pantalla Iconos del menú principal y Iconos del submenú y elementos de ajuste elementos de ajuste Posición horizontal Tamaño horizontal Ajuste del tamaño o centrado de la Posición vertical imagen Tamaño vertical Aumentar/reducir Giro de la imagen Expansión o contracción de los lados de la imagen Ajuste de la forma de la imagen Desplazamiento de los lados de la imagen a la izquierda o la derecha...

  • Page 60: Modos Predefinidos Y De Usuario

    Características técnicas Solución de problemas x No aparece la imagen Modos predefinidos y de usuario Si el indicador 1 (alimentación) no se ilumina • Compruebe que el cable de alimentación está correctamente conectado. Cuando el monitor recibe una señal de entrada, hace coincidir automáticamente •...

  • Page 61: Mensajes En Pantalla

    x El color no es uniforme Mensajes en pantalla • Desmagnetice el monitor.* Si coloca equipos que generen campos magnéticos, como altavoces, cerca del monitor, o si cambia la INFORMACION orientación de éste, el color puede perder uniformidad. FUERA DEL RANGO DE x El blanco no parece blanco AJUSTE •...
  • Page 62 Aprox. 365 × 274 mm (an/al) Si las barras de color no aparecen, significa que existe una posibilidad /8 × 10 /8 pulgadas) de falla del monitor. Informe a un proveedor Sony autorizado sobre el Imagen visible Aprox. 456 mm (18 pulgadas) estado del monitor.

  • Page 63: Appendix

    Appendix Preset mode timing table (For HMD-A240) No. Resolution Horizontal Vertical Graphics (dots × lines) Frequency Frequency Mode 640 × 480 31.5 kHz 60 Hz VGA-G 720 × 400 31.5 kHz 70 Hz VGA-Text 800 × 600 37.9 kHz 75 Hz VESA 800 ×...

  • Page 64: Schematic Diagrams

    PRINTING THE SERVICE MANUAL The PDF of this service manual is not designed to be printed from cover to cover. The pages vary in size, and must therefore be printed in sections based on page dimensions. NON-SCHEMATIC PAGES Data that does NOT INCLUDE schematic diagrams are formatted to 8.5 x 11 inches and can be printed on standard letter-size and/or A4-sized paper. SCHEMATIC DIAGRAMS The schematic diagram pages are provided in two ways, full size and tiled.
  • Page 65 ON-SCREEN SEARCH OPTION All of the text within the service manual PDF is content searchable. This means that you can enter any text, word, phrase or reference number that appears in the manual, and the PDF software will search, fi nd and move the cursor to the location where you requested text fi rst appears. This feature can be particularly useful in locating components on a specifi...

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