9619 AOC L32W431 Televisor LCD Manual de Servicio

  • View
    90

  • Download
    14

Embed Size (px)

Text of 9619 AOC L32W431 Televisor LCD Manual de Servicio

  • 32 LCD TV AOC L32W431

    1

    Service Service Service

    .scf

    Horizontal Frequency

    31. 5 kHz to 49 kHz

    TABLE OF CONTENTS

    Description Page Description Page

    SAFETY NOTICE

    ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS

    AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC

    EQUIPMENT CONTAINING HIGH VOLTAGES.

    CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

    Table Of Contents............................................1

    Revision List....2

    Important Safety Notice.............................................3

    1. General Specification......................................4

    2. Operating Instructions........5

    2.1. The Use Of Remote Control.........5

    2.2. Front Panel Control Knobs......6

    2.3. To Use The Menu...........7

    2.4. How To Connect.......13

    3. Input/Output Specification........................15

    4. Mechanical Instructions.................17

    5. Repair Flow Chart .......20

    6.White-Balance, Luminance Adjustment.............26

    7.PCB Layout .............30

    7.1 Main Board..........30

    7.2 Power Board..........33

    7.3 Tuner Board.........35

    8. Block Diagram..37

    9. Schematic Diagram...38

    9.1 Main Board..........38

    9.2 Power Board........49

    9.3 Tuner Board.........51

    10.Exploded View..............................55

    11.BOM List..56

    12.Different Parts List107

  • 32 LCD TV AOC L32W431

    2

    Revision List

    Version Release Date Revision History TPV Model

    A00 Apr.-02-2007 Initial Release E326MTNSD1A3NP

    A01 May-29-2007 Second Release E326MTNCW1GLN

    A02 Jan-07-2008 Add SKD model for Brazil E327MTNSW1AC6N

  • 32 LCD TV AOC L32W431

    3

    Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.

    It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. AOC could not possibly know, evaluate and advise the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently, AOC has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by AOC must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected. Hereafter throughout this manual, AOC Company will be referred to as AOC. WARNING Use of substitute replacement parts, which do not have the same, specified safety characteristics may create shock, fire, or other hazards. Under no circumstances should the original design be modified or altered without written permission from AOC. AOC assumes no liability, express or implied, arising out of any unauthorized modification of design. Servicer assumes all liability. FOR PRODUCTS CONTAINING LASER: DANGER-Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM. CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. CAUTION -The use of optical instruments with this product will increase eye hazard. TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF THIS SERVICE MANUAL. Take care during handling the LCD module with backlight unit -Must mount the module using mounting holes arranged in four corners. -Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen. -Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to the panel. -Protect the module from the ESD as it may damage the electronic circuit (C-MOS). -Make certain that treatment persons body is grounded through wristband. -Do not leave the module in high temperature and in areas of high humidity for a long time. -Avoid contact with water as it may a short circuit within the module. -If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth may damage the panel.)

  • 32 LCD TV AOC L32W431

    4

    1. General Specification Items Specification

    LCD Panel

    Screen Size 32(81cm)TFT-LCD Panel

    Panel type TV 32" B1-L04 CMO

    Aspect Ratio 16:9

    Resolution (Native) 1366 x 768 WXGA

    Active Area 714.96 (H) x 404.6 (V) mm

    Pixel Pitch 0.1730 (H) x 0.5190 (V) mm

    Contrast Ratio 700:1 (Typical)

    Brightness 420 nits (Typical)

    Response Time 6.5ms (G-G) Display colors 16.7 million Rated Life (Backlight) > 60000 Hrs (at 4.5mA)

    Preset Color Cool /warm

    TV Function

    TV Tuning System NTSC 181 channel (PLL band) electronic adjustment system Sound System MTS + SAP

    Color systems NTSC / PALN / PALM

    Video Input

    AV1 RCA x 1 Audio channel L / Rx 1

    AV2 RCA x 1 S-Video x 1 Audio channel L / R x 1shared

    S-VIDEO S-VIDEO x 1 Audio channel L / Rx 1

    HDMI HDMI x 1 High Definition Media Interface COMPONENT (480i/480p/720p/1080i) Y,Pb,Pr x 1 Audio channel L / Rx 1

    PC Input

    Signal Input Analog: D-Sub 15 pin (detachable cable)

    PnP compatibility DDC 2B

    Input frequency Analog: FH: 31.5kHz to 49kHz FV: 56Hz to 75Hz Recommended Analog:1024 x 768 (60Hz)

    Input Audio Headphone Mini-jack for stereo (3.5)

    Audio Output Audio Output: L / R

    Speaker (built-in): Two 15W speakers

    Headphone Mini-jack for stereo (3.5)

    Line Output (RCA L/R)

    OSD language English / Spanish / Portuguese

    Wall Mount VESA 100mm X 100mm

    Power Power Input AC100V~240V, 50/60Hz Power Consumption

  • 32 LCD TV AOC L32W431

    5

    2. Operations Instructions 2.1 The Use of Remote Control

  • 32 LCD TV AOC L32W431

    6

    2.2 Front Panel Control Knobs

    : Press to turn the TV on or off.

    MENU Key: Press to show the OSD menu and exit OSD menu at the TV. Down / Up Key: Press to select OSD function or change channel. - / + Key: Press to confirm your function selection and make adjustment. Source Key: Press to select your input source.

  • 32 LCD TV AOC L32W431

    7

    2.3 OSD Operations To use the menus 1. Press the MENU button to display each menu. 2. Use the cursor up/down to select a menu item.

    3. Use the cursor left/right to enter a submenu or enable/disable the function.

    4. Press the MENU button to exit the menu.

    Main menu SOURCE SELECT Press the INPUT key on remote control or SOURCE key on keyboard to select source: TV>AV1>AV2>S-VIDEO>COMPONENT>VGA>HDMI

    Menu screen in TV mode: Press the MENU button to enter into the OSD MENU in TV mode. Items adjustable include: VIDEO SETTING,

    SOUND SETTING, OPTIONS SETTING, and CHANNEL SETTING

    VIDEO SETTING:

    1. PICTURE: User can select PERSONAL,VIVID,STANDARD,MILD,if selected except PERSONAL item, Contrast, Brightness ,Saturation,Sharpness,NR,Backlight cant adjust.

    2. CONTRAST: Adjust black and white level, suitable contrast can make picture more lightly. Adjustment range is from 0 to 100.

    3. BRIGHTNESS: Adjust background brightness, user can collocation it with contrast adjustment range is from 0 to 100.

  • 32 LCD TV AOC L32W431

    8

    When adjust any item sub-OSD will show up like this.

    4. SATURATION: Adjust color saturation, range is from 0 to 100. 5. SHARPNESS: Adjustment picture sharpness, range is from 0 to 100. 6. NR: When the signal is poor, you can turn on the noise reduction function. 7. BACKLIGHT: The adjustment range of Black Level is from 0 to 10. You can adjust contrast, brightness, Saturation, Sharpness to your prefer level.

    SOUND SETTING

    1. VOLUME: The Volume adjustment range is from 0 to 100 You can adjust the Volume of the picture to the level you prefer.

    2.EFFECTYou can choice your prefer mode of CUSTOM, STEREO, NEWS, MOVIE, MUSIC, BBE VIVA. 3.120Hz, 500Hz, 1500Hz, 5 KHz, 10KHZ. Choice the prefer frequency to increase or decrease. OPTIONS SETTING:

    English 1. MENU LANGUAGE: This indicates the different languages available for the OSD menu, including English