Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA LCD 32A3030D toshiba_32a3030d_full_sm

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                                                                          . 1  1




                               LCD Color Television

                     32A3030D                                 Ver. 2.00




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     ADJUSTMENT


   Service Mode

   Entering to Service Mode




                                    1. Set VOLUME to minimum and press
                                       button once on remote control.




                  


                                    2. Press   button again and hold button down.




                  


         Service Mode display

                                    3. While holding the   button, press MENU
                                       button on TV set.




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   Displaying the Adjustment Menu

   Press MENU button on TV.

              Service Mode




            Press   Press


            Adjustment Mode




   Key Function in the Service Mode

   The following key entry during display of adjustment menu provides special functions.


    CAUTION: Never try to perform initialization unless you have changed the
    memory IC.




                                                  button (on remote control)




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   Test signal selection

   Selection of the adjustment items            CH         (on TV or remote control)

   Change of the data value                     Volume      +/- (on TV or remote control)

   Adjustment menu mode ON/OFF                  MENU button (on TV)

   Initialization of the memory (QA02)          CALL + CH      button on TV

   Reset the count of operating
                                                CALL + CH      button on TV
   protect circuit to "00"

   Turn off I2C bus communication               CALL + Volume       + button on TV

   "RCUT" selection                             1 button

   "GCUT" selection                             2 button

   "BCUT" selection                             3 button

   "CNTX" selection                             4 button

   "COLC" selection                             5 button

   "UVTT" selection                             6 button

   Automatic A/D Adjustment
                                                7 button
   (PC, Component, Composite (PAL, NTSC))

   Self diagnostic display ON/OFF               9 button




   Selecting the Adjusting Item

   Every pressing of CH      button in the service mode changes the adjustment items in the
   order of table below. (   button for reverse order)




   SETTING & ADJUSTING DATA

   [ SERVICE MODE ]

   ADJUSTING ITEMS AND DATA IN THE SERVICE MODE:

   Note:

   The image system data of RCUT-BDRV is different by each image format.
   The PAL value is indicated in the table.
   Never adjust H.POS and V.POS except PAL/WIDE mode.



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    Item                   Name of adjustment
   RCUT    R CUT OFF

   GCUT    G CUT OFF

   BCUT    B CUT OFF

   RDRV    R DRIVE

   GDRV G DRIVE

   BDRV    B DRIVE

   BRTC    BRIGHTNESS CENTER

   COLC    COLOR CENTER

   UVTT    BASE BAND TINT

   CNTX    CONTRAST MAX

   VOLUX MAX VOLUME LIMITED

   PLLW0 PLL WAIT TIME

   PLLW1 PLL WAIT TIME

   PLLW2 PLL WAIT TIME

   PLLW3 PLL WAIT TIME

   PLLW4 PLL WAIT TIME

   PLLW5 PLL WAIT TIME

   OPT1    TV SET OPTION 1

   OPT2    TV SET OPTION 2

   OPT3    TV SET OPTION 3

   OPT4    TV SET OPTION 4 (PANEL OPT DATA FOR VENDOR)

   OPT5    TV SET OPTION 5 (PANEL OPT DATA FOR SIZE)

   OPT6    TV SET OPTION 6 (HOTEL MODE)

   OPT7    TV SET OPTION 7 (HOTEL MODE)

   OPT8    TV SET OPTION 8 (HOTEL MODE)

   TVOP    TV SET OPTION

   ID      MODEL ID

   BDWID BORDER WIDTH FOR EXACT SCAN

   BDHIT BORDER HEIGHT FOR EXACT SCAN

   FPLG    MASK_ENABLE (SD/HD)




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   FPLG2 Channel LOGO Vector Clip SW (SD)

   FPLG3 Channel LOGO Vector Clip SW (HD)


   Factory preset data will be loaded after setting Model ID data.
   (Refer to Initialization of Memory Data of QA02 and setting data of signal board.)




   Adjusting the Data

   Pressing of VOLUME        +/- button will change the value of data in the range from 00H to
   FFH. The variable range depends on the adjusting item.




   I2C Bus Off

   Turn off I2C communication between IC700 and IC400.

   1) Press and hold the CALL button on the remote control, then press the Volume
      + button on the TV.

   2) Display "BUS Off" OSD.

   3) I2C communication turned off.

   Note:

   To return Bus on status, press and hold the CALL button on the remote control, then press
   the Volume       + button on the TV again. TV will be turned off and automatically turned
   on, then status will be Bus On.




   Setting TVOP

   Enter to service mode and select menu of TVOP by pressing P or P during display of
   adjustment menu. After selecting TVOP, press    + or     - to set I2C check function to
   disable or enable as below.

    TVOP             FUNCTION DESCRIPTION                    1     0 (Normal)
   D5 (bit5) I2C check between IC700 and IC400. (WDT) Disable Enable




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   Setting Panel Option Data

   Panel option data is subject to OP4 and OP5.
   Enter to service mode and select menu of OPT4 or OPT5 by pressing P or P during
   display of adjustment menu. After selecting OPT4 or OPT5, press    + or - to set OPT4
   or OPT5 value as table below.


   Panel option data

            Series              Model name           Panel vendor OPT4 value OPT5 value
   A3000 EU Digital/Ready 26A3030D/A3000P            LPL                    0x01         0x03

                                                     IPS                    0x07         0x03

                            32A3030D/A3000P          LPL                    0x01         0x05

                                                     IPS                    0x07         0x05

                            37A3030D/A3000P          LPL                    0x01         0x06

                                                     IPS                    0x07         0x06

                            42A3030D/A3000P          LPL                    0x01         0x07


   OP4

   Ex. OPT4 value 0x05 indicates that panel vendor is AUO AMVA.

                                                                 OPT4

                              D7       D6       D5          D4       D3            D2    D1       D0
                             (bit7)   (bit6)   (bit5)      (bit4)   (bit3)     (bit2)   (bit1)   (bit0)
   Panel vendor LPL            -        -        -           -          0          0      0        1

                SHP            -        -        -           -          0          0      1        0

                CMO            -        -        -           -          0          0      1        1

                AUO PMVA       -        -        -           -          0          1      0        0

                AUO AMVA       -        -        -           -          0          1      0        1

                SAMSUNG        -        -        -           -          0          1      1        0

                IPS            -        -        -           -          0          1      1        1


   OP5



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   Ex. OPT5 value 0x05 indicates that panel size is 32.

                                                                     OPT5

                                  D7         D6        D5    D4         D3       D2       D1       D0
                               (bit7)     (bit6)   (bit5)   (bit4)     (bit3)   (bit2)   (bit1)   (bit0)
   Size          32               -          -          -        -          0     1        0        1

                 37               -          -          -        -          0     1        1        0

                 42               -          -          -        -          0     1        1        1




   Convert from Bit (Binary) to Hex

   The table for converting from bit (D7-D0) to hex (0x**).

                                       BIT (Binary)

   High nibble               D7         D6         D5       D4
   Low nibble                D3         D2         D1       D0
   HEX                0       0          0         0        0

                      1       0          0         0        1

                      2       0          0         1        0

                      3       0          0         1        1

                      4       0          1         0        0

                      5       0          1         0        1

                      6       0          1         1        0

                      7       0          1         1        1

                      8       1          0         0        0

                      9       1          0         0        1

                      A       1          0         1        0

                      B       1          0         1        1

                      C       1          1         0        0

                      D       1          1         0        1

                      E       1          1         1        0

                      F       1          1         1        1




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   E.g. If Bit D7-0 = 0101 1010, Hex data is 0x5A.




   Exit from Service Mode

   Pressing POWER button to turn off the TV once.




   Initialization of Memory Data of QA02 and Setting Data of Signal Unit

   After replacing QA02 or signal board, the following initialization is required.


    CAUTION: Never attempt to initialize the data unless QA02 has been
    replaced.
    Whenever using new signal board to the set, setting the Model ID data
    according to Panel option data.



   1) Enter the service mode.

   2) Select menu of ID by pressing P      or P   during display of adjustment menu in the
      service mode.

   3) Change ID data into MODEL ID to initialize by pressing          + or     -., refer to table
      below.

   4) Press and hold the CALL button on the remote control, then press the CHANNEL
         button on the TV.

   5) Initialization progress dialog including model name and panel vendor is shown.
      Progress status is "WRITING".

   6) Progress status is changed "OK" and power cycle (automatically). Then QA02
      initialization has been completed.


   7) Enter the service mode and select version check mode. Confirm if model name and
      model id set is correct. If not, repeat steps 1) to 6).




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   Note:
      In case initialization by setting wrong MODEL ID is done, there is a possibility of
      abnormal display.

   8) Set I2C check function of TVOP to enable.


   9) Check the picture carefully. If necessary, adjust any adjustment item above.
      Perform "Auto tune" on the owner's manual.

   MODEL ID (HEX) Model name Panel vendor
   0x01               26A3000P      LPL

   0x02               26A3000P      IPS

   0x03               32A3000P      LPL

   0x04               32A3000P      IPS

   0x05               37A3000P      LPL

   0x06               37A3000P      IPS

   0x07               42A3000P      LPL

   0x08               26A3030D      LPL

   0x09               26A3030D      IPS

   0x10               32A3030D      LPL

   0x11               32A3030D      IPS

   0x12               37A3030D      LPL

   0x13               37A3030D      IPS

   0x14               42A3030D      LPL

   0x15

   0x16

   0x17

   0x18

   0x19

   0x20

   0x21

   0x22

   0x23

   0x24

   0x25




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   0x26

   0x27

   0x28

   0x29

   0x30

   0x31

   0x32

   0x33




   Initializing Data setting flowchart after replacing the Signal Unit



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   Test Signal Selection




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   Every pressing of     button on the remote control changes the built-in test patterns on
   screen as described below in Service Mode.




        Picture           Signal



                       Red raster




                       Green raster




                       Blue raster




                       All Black




                       All White




   Self Diagnostic Function

     1. Press "9" button on remote control during display of adjustment menu in the service
        mode. The diagnosis will begin to check if interface among IC's is executed properly.

     2. During diagnosis, the following displays are shown.

   * Self check display and Item are subject to the models.



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   (1) Firmware :
       Version information of microprocessor
       Series name (AAAA) and market area (BB) and software program version (0000)
   (2) Time : Total hour of turn the TV on. (Unit : H)
   (3) BL_STATUS :
       Counter for saving BackLight on error.
      This value is counted till 99 (Decimal).
   (4) Bus line : -- "OK" is normal
       SCL-GND (Red indication) : SCL-GND short circuit
      SDA-GND (Red indication) : SDA-GND short circuit
      SCL-SDA (Red indication) : SCL-SDA short circuit
   (5) Bus cont : --- "OK" is normal.
                      NG is abnormal (Red indication).
                     When the abnormal status is detected, type name of semiconductor is
                     indicated in red colour.
   (6) Block
       UV      : TV reception mode
      V1 - V9 : VIDEO 1-9 input mode
      PC      : PC mode
      YUV : YUV mode
      DTV      : DTV mode

        UV              RF
                         1
        V1
                 (SCART (FULL))

                          2




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        V2       (SCART (S+AV))
                        3
        V3
             (Component/Composite)

        V4            HDMI1

        V5              --

        V6              --

        V7              --

        V8              --

        V9              --

        PC              PC

       YUV              --

       DTV              --




   Version Check Mode

     1. Press "9" button twice on remote control during display of adjustment menu in the
        service mode.
        The version of main MPU will be checked.

     2. During Version Check, the following displays are shown.

   * Version check display and Item are subject to the models.



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    (1) MAIN MPU :
        Version information of microprocessor
        Series name and Code Program Version (4 figure number) and OSD Version (2 figure
       number).
    (2) EEPROM :
        Version information of EEPROM : Display 1 byte data.
    (3) SUB MPU :
        Version information of SUB MPU : Display 1 byte data.
    (4) OPTION :
        Option information : Display six numbers of 1 byte data.
    (5) HDMI ID :
        HDMI ID information : Display 4 byte data.
    (6) SW Ver
       Version information of DB software as Toshiba release. (Only digital model.)
    (7) MW Ver
       Left side is Application and UI version information of DB software. (Only digital
       model.)
       Right side is Firmware (Driver) version information of DB software. (Only digital
       model.)




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    (8) A/D Adjust
        A/D adjustment item.
        --MAIN : It's enable only in double Window model. A/D adjustment status of main
                  picture.
        --PIP   : It's enable only in double Window model. A/D adjustment status of sub
                 picture.
        --COMP : Component input
        --PC   : PC input
        --NTSC : NTSC (60 Hz) SD signal (composite input).
        --PAL    : PAL (50 Hz) SD signal (composite input).
        --OK     : A/D adjustment set correctly.
        --NG     : A/D adjustment set incorrect.
        --       : A/D adjustment is not needed. Because its picture format isn't used.
    (9) 100 Hz FPGA Software Version
        It's enable only in 100 Hz drive panel model.
        Upper 2 figure number means function versions of double frequency convert.
        Lower 2 figure number means function version of vector complement.
   (10) Memory Data Version
        Version information of EEPROM.
        DRMA**** means model number of EEPROM.
        REV** means version of EEPROM.
   (11) CD number
        CD information (ascii code). : Display 4 byte data.
   (12) Model Name
        Model name information (ascii code). : Display 7 byte data.
   (13) LCD Panel Vendor information display
        The following Panel Vendor (DDD) and screen size (00) are displayed.
        Example : AUO-32 indicates that Vendor is AUO and Screen Size is 32 inch




   Status Check Mode

    1. Press "9" button thrice on remote control during display of adjustment menu in the
       service mode.
       The status of this model will be checked.

    2. During Status Check, the following displays are shown.



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   * Status check display and Item are subject to the models.




   (1) MAIN :
       Main source information :
       Display RF position number (0 - 99) on the main screen, or Input Source
       (EXT1/2/3/HDMI etc.)
   (2) MAIN FORMAT :
       Display Video and PC format information
   (3) MAIN PLL :
       Main PLL information : Display 1 byte data at five.
   (4) SUB :
       Sub source information :
       Display RF position number (0 - 99) on the Sub screen, or Input Source
       (EXT1/2/3/HDMI etc.)
       This item displays only Double window model.
   (5) SUB FORMAT :
       Display Video and PC format information
       This item displays only Double window model.
   (6) SUB PLL :
       Sub PLL information : Display 1 byte data at five.
       This item displays only Double window model.
   (7) SCREEN SIZE :
       Display the screen size as follows.
       Exact Scan

       Wide

       Super Live 2




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       Cinema 2

       4:3

       Super Live 1

       Cinema 1

       Subtitle

       14:9


       Note:
       Exact Scan is shown only for 1080p panel model with video input mode except pc.
   (8) OTHER STATUS :
       Other status information : Display three numbers of 2 byte data.




   Setting Hotel Mode

   Enter to service mode and select Hotel Mode menu by pressing P or P .
   After selecting Hotel Mode, press     + to enter details setting in Hotel Mode.

   To select menu, press P or P and press OK to enter the adjustment menu of table bellow.
   To move the cursor in the adjustment, press + or     -.

     1. By pressing P or P         , OPT2 setting will change the value either 1 or 0 on selected
        items as follows;


   OP2

      OPT2           FUNCTION DESCRIPTION                              1                0 (Normal)
   D7 (bit7)                   - (no use)                              -                     -

   D6 (bit6)                   - (no use)                              -                     -

   D5 (bit5)      FRONT Key                            Disable                         Enable

   D4 (bit4)      All keys except input selector key   Disable                         Enable
                  (Video/TV)

   D3 (bit3)      User remote control operation        Disable                         Enable
                                                       (Service mode and Supere
                                                       User mode may possible to
                                                       setting only)

   D2 (bit2)      Disable SET UP MENU except           Disable                         Enable




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                 language.                         (Display the language only)
                 (tuning SETUP MENU)

   D1 (bit1)     Disable SETUP MENU                Disable                            Enable

   D0 (bit0)     HOTEL Mode                        On (Enable the setting of D1       Off
                                                   from to D7)                        (Normal)


   VOLUX

   Set VOLUX as following.

   1) Set speaker volume to 100. (Any value is OK, but 100 is better to check sound level.)

   2) Down value of VOLUX until finding suitable sound volume level.




    VOLUX                 FUNCTION DESCRIPTION                            1         0 (Normal)
   D7 (bit7) ~
                 Max Limiter of Volume Control                   0x00 ~ 0x7F (Normal: 0x7C)
   D0 (bit0)


   OP6

     OPT6                 FUNCTION DESCRIPTION                         1            0 (Normal)
   D7 (bit7)     Enable mode that POS or VIDEO program           Enable           Disable
                 number will be appeared in forced when turn
                 ON the main power

   D6 (bit6) ~ POS or VIDEO program number                       0 ~ 127 [decimal] (Normal: 0)
   D0 (bit0)                                                     POS number: 0 ~ 99
                                                                 VIDEO number: 100 ~ 127
                                                                 (DTV = 100, VIDEO = 101,
                                                                 VIDEO = 102..)
                                                                 100 is used as ATV when
                                                                 DTV option is disable.


   OP7

     OPT7                 FUNCTION DESCRIPTION                            1         0 (Normal)
   D7 (bit7)     Enable mode that speaker volume will be set     Enable           Disable
                 in forced when turn ON the main power

   D6 (bit6) ~ Forced speaker volume                             0 ~ 100 [decimal] (Normal: 0)




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   D0 (bit0)                                                     Value above 100 is no effect.


   OP8

      OPT8                 FUNCTION DESCRIPTION                           1          0 (Normal)
   D7 (bit7) ~                      - (no use)                            -               -
   D3 (bit3)

   D2 (bit2)      Enable mode that picture mode will be set in   Enable            Disable
                  forced when turn ON the main power             (Display the
                                                                 language only)

   D1 (bit1) ~ Forced picture mode                               0 [dec]: Dynamic (mode-1)
   D0 (bit0)                                                     (Normal)
                                                                 1 [dec]: Standard (mode-2)
                                                                 2 [dec]: Mild (mode-3)
                                                                 3 [dec]: Memory (mode-M)




   LED Indication

   The Green and Red LEDs on the TV (at the bottom center of the TV) indicate the TV's
   status, as described below.

         Red ON (solid) and Green OFF = The TV power cord is plugged in.

         Green ON (solid) and Red ON = The On timer is operating.




                 LED Indication                  Condition                    Solution
   1 Green is OFF;                       Abnormal operation      Turn OFF the TV and unplug
     Red blinks continuously at 0.5-                             the power cord.
     second intervals.                                           Plug the power cord in again
                                                                 and turn ON the TV.

   2 Green is OFF;                       Abnormal operation of Turn OFF the TV and unplug
     Red blinks continuously at 1-       BUS line.               the power cord.
     second intervals.                                           Plug the power cord in again
                                                                 and turn ON the TV.




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  FUNCTION AND OPERATION


The Remote Control

Simple at-a-glance reference of your remote control.




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    FUNCTION AND OPERATION


  Controls and Input Connections

  A wide variety of external equipment can be connected to the input sockets on the side of the
  television.
  Whilst all the necessary adjustments and controls for the television are made using the remote
  control, the buttons on the television may be used for some functions.




  Switching On




  Using the Remote Control




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  Using the Controls and Connections




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     FUNCTION AND OPERATION


  Tuning Digital Television for the First Time

  Before switching on the television put your decoder and media recorder to Standby if they
  are connected and ensure the aerial is connected. To set up the television use the buttons on
  the remote control.




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     FUNCTION AND OPERATION


  Digital Auto Tuning

  Note: As new services are broadcast it will be necessary to re-tune the television in order to
  view them.


  Auto Tuning




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     FUNCTION AND OPERATION


  Digital Programme Sorting, Manual Tuning

  Note: When the television is switched off the mode being viewed at the time will
  automatically be selected when the television is switched back on.


  Programme Sorting




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  Manual Tuning




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     FUNCTION AND OPERATION


  Tuning Analogue Mode for the First Time

  The Quick Setup feature will tune all analogue channels currently available in the area. To
  put the television into ATV mode press the    button then use     or     to select ATV.




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     FUNCTION AND OPERATION


  Analogue Manual Tune

  The television can be tuned-in manually using Manual tuning. For example: if the television
  cannot be connected to a media recorder/decoder with a SCART lead or to tune-in a station
  on another System.

  Use     and   to move across the screen and select any of these Manual Tune options.




    Programme            : The number to be pressed on the remote control.
    System               : Specific to certain areas.
    Colour system        : Factory set to Auto, should only be changed if problems are
                             experienced, i.e. NTSC input from external source.
    Programme skip       :         means nothing has been stored or the facility to skip
                             the channel is ON.
    Channel              : The channel number on which a station is being broadcast.
    Search               : Search up and down for a signal.
    Manual fine tuning : Only used if interference/weak signal is experienced.
    Station              : Station identification. Use the    or     and   or     buttons to
                           enter up to seven characters.


  To allocate a programme position on the television for a decoder and media recorder: turn the
  decoder on, insert a pre-recorded film in the media recorder and press PLAY, then manually
  tune.




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     FUNCTION AND OPERATION


  Auto Tune

  Using Auto Tuning




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Handling the LCD Module                                                                      . 1  4




     SAFETY INSTRUCTION


   Handling the LCD Module

   Safety Precaution

   In the event that the screen is damaged or the liquid crystal (fluid) leaks, do not breathe in or
   drink this fluid.
   Also, never touch this fluid. Such actions could cause toxicity or skin irritation. If this fluid
   should enter the mouth, rinse the mouth thoroughly with water. If the fluid should contact the
   skin or clothing, wipe off with alcohol, etc., and rinse thoroughly with water. If the fluid
   should enter the eyes, immediately rinse the eyes thoroughly with running water.


   Precautions for Handling the LCD Module


    CAUTION: The metal edges of the LCD module are sharp, handle it with
    care.


   The LCD module can easily be damaged during disassembly or reassembly; therefore,
   always observe the following precautions when handling the module.




     1. When attaching the LCD module to the LCD cover, position it appropriately and fasten
        at the position where the display can be viewed most conveniently.




     2. Carefully align the holes at all four corners of the LCD module with the corresponding
         holes in the LCD cover and fasten with screws. Do not strongly push on the module
         because any impact can adversely affect the performance. Also use caution when
         handling the polarized screen because it can easily be damaged.




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Handling the LCD Module                                                                    . 2  4




     3. If the panel surface becomes soiled, wipe with cotton or a soft cloth. If this does not
        remove the soiling, breathe on the surface and then wipe again.
        If the panel surface is extremely solied, use a CRT cleaner as a cleaner. Wipe off the
        panel surface by drop the cleaner on the cloth. Do not drop the cleaner on the panel.
        Pay attention not to scratch the panel surface.




     4. Leaving water or other fluids on the panel screen for an extended period of time can
        result in discoloration or stripes. Immediately remove any type of fluid from the screen.




     5. Glass is used in the panel, so do not drop or strike with hard objects. Such actions can
        damage the panel.




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Handling the LCD Module                                                                     . 3  4




     6. CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static
        electricity. When handling the module, use a wrist ground or anchor ground.




     7. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an
        extended period of time.




     8. Do not store the LCD module below the temperature conditions described in the
        specifications. Failure to do so could result in freezing of the liquid crystal due to cold
        air or loss of resilience or other damage.




     9. Do not disassemble the LCD module. Such actions could result in improper operation.




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    10. When transporting the LCD module, do not use packing containing epoxy resin
        (amine) or silicon resin (alcohol or oxim). The gas generated by these materials can
        cause loss of polarity.




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     PANEL IDENTIFICATION


  Panel Identification

  If the several panels are alternatively used in the same model without amending the model
  name, the identification marking will be shown at the last digit of the set serial number on the
  specification label on the back cover.

  In servicing, do not alter the panel because several setting and parts are different.

    Marking      Panel Vendor      Marking      Panel Vendor       Marking      Panel Vendor

         A     AUO                     J                               S      SHARP

         B                             K      SAMSUNG                  T

         C     CMO                     L      LPL                      U

         D                             M                               V

         E                             N                               W

         F                             P                               X

         G                             Q                               Y

         H     IPS                     R                               Z




  With this alternative use, some of key parts may differ and their combinations are
  indicated with the suffix marking on the location number in the part list
  (Miscellaneous).

  e.g.

         Location No.          Part No.                  Description

   B001A                   75007869          LCD Panel, 32" LPL

   B001B                   75007870          LCD Panel, 32" AUO

   MZ01A                   75006036          LDVS Cable

   MZ01B                   75007893          LDVS Cable




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                     U02A
 U03B
                    LOW-B
  Key
                                      U01A
                                      POWER




           U04A
 U03A
           Main
Front-AV                    U05A
                            Digital




                  U03C
                  LED
                                                                                            . 1  4




     SAFETY INSTRUCTION

    WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY
    PRECAUTION" AND "PRODUCT SAFETY NOTICE" INSTRUCTIONS BELOW.



  Safety Precaution


    WARNING: SERVICING SHOULD NOT BE ATTEMPTED BY ANYONE
    UNFAMILIAR WITH THE NECESSARY PRECAUTIONS ON THIS RECEIVER.
    THE FOLLOWING ARE THE NECESSARY PRECAUTIONS TO BE OBSERVED
    BEFORE SERVICING THIS CHASSIS.




    1. An isolation transformer should be connected in the power line between the receiver
       and the AC line before any service is performed on the receiver.



    2. Always disconnect the power plug before any disassembling of the product. It may
       result in electrical shock.



    3. When replacing a chassis in the cabinet, always be certain that all the protective
       devices are put back in place, such as nonmetallic control knobs, insulating covers,
       shields, isolation resistor-capacitor network, etc.



    4. Always keep tools, components of the product, etc away from the children, These items
       may cause injury to children.



    5. Depending on the model, use an isolation transformer or wear suitable gloves when
       servicing with the power on, and disconnect the power plug to avoid electrical shock
       when replacing parts. In some cases, alternating current is also impressed in the
       chassis, so electrical shock is possible if the chassis is contacted with the power on.



    6. Always use the replacement parts specified for the particular model when making
       repairs. The parts used in products require special safety characteristics such as




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       inflammability, voltage resistance, etc. therefore, use only replacement parts that have
       these same characteristics. Use only the specified parts when the mark is indicated
       in the circuit diagram or parts list.



    7. Parts mounting and routing dressing of wirings should be the same as that used
       originally. For safety purposes, insulating materials such as isolation tube or tape are
       sometimes used and printed circuit boards are sometimes mounted floating. Also make
       sure that wirings is routed and clamped to avoid parts that generate heat and which use
       high voltage. Always follow the manufactured wiring routes / dressings.



    8. Always ensure that all internal wirings are in accordance before re-assembling the
       external casing after a repairing completed. Do not allow internal wiring to be pinched
       by cabinets, panels, etc. Any error in reassembly or wiring can result in electrical
       leakage, flame, etc., and may be hazardous.



    9. NEVER remodel the product in any way. Remodeling can result in improper operation,
       malfunction, or electrical leakage and flame, which may be hazardous.



   10. Touch current check. (After completing the work, measure touch current to prevent an
       electric shock.)

          Plug the AC cord directly into the AC outlet. Do NOT use an isolation transformer
          for this check.

          Connect a measuring network for touch currents between each exposed metallic part
          on the set and a good earth ground such as a water pipe.




                                                Annex D
                                               (normative)

                              Measuring network for TOUCH CURRENTS




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          Resistance values in orms ( ).



          V: Voltmeter or oscilloscope
               (r.m.s. or peak reading)

                   Input resistance :  1M
                   Input capacitance :  200 pF
                   Frequency range : 15 Hz to 1 MHz and d.c. respectively

          Note: Appropriate measures should be taken to obtain the correct value in case of non
          sinusoidal waveforms.

          The measuring instrument is calibrated by comparing the frequency factor of          with the
          solid line in figure F.2 of IEC 60990 at various frequencies. A calibration curve is
          constructed showing the deviation of       from the ideal curve as a function of frequency.

          TOUCH CURRENT =                  /500 (peak value).




         The potential at any point (TOUCH CURRENT) expressed as voltage                       and
         does not exceed the following value:



          The part or contact of a TERMINAL is not HAZARDOUS LIVE if:

          a) The open-circuit voltage should not exceed 35 V (peak) a.c. or 60 V d.c. or, if a) is not
             met.
          b) The measurement of the TOUCH CURRENT shall be carried out in accordance with
             IEC 60990, with the measuring network described in Annex D of this standard.

              The TOUCH CURRENT expressed as voltages        and           , does not exceed the
              following values:
              - for a.c. :  = 35 V (peak) and = 0.35 V (peak);
              - for d.c. :  = 1.0 V

          Note: The limit values of   = 0.35 V (peak) for a.c. and       = 1.0 V for d.c. correspond to
          the values 0.7 mA (peak) a.c. and 2.0 mA d.c.




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  Product Safety Notice

  Many electrical and mechanical parts in this chassis have special safety-related
  characteristics. These characteristics are often passed unnoticed by a visual inspection and
  the protection afforded by them cannot necessarily be obtained by using replacement
  components rated for higher voltage, wattage, etc. Replacement parts which have these
  special safety characteristics are identified in this manual and its supplements; electrical
  components having such features are identified by the international hazard symbols on the
  schematic diagram and the parts list.
  Before replacing any of these components, read the parts list in this manual carefully. The
  use of substitute replacement parts which do not have the same safety characteristics as
  specified in the parts list may create electrical shock, fire, or other hazards.




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     SPECIFICATION




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                                                                                                                                                                  Digital BOARD                                                                                                         P212B
                                                                                                                                                                  (A3030D ONLY)                                                                                                         Audio OUT
                                                                                                                                                                                                                                                                CVBS
                                                                                                                                                                                                                     PJ212                                                              CVBS OUT
                                                                                                                                                                                                                                        IC302
                                                                                                                                                                                                                     Serial port        Audio Amp
                                                                                                                                                                                                                     for debug                                  ITU-R656      P200B
                                                                                                                                                               H801                                  PJ400                                                                    Digital VIDEO OUT
         +Low B                                     AC INPUT&                                                                                                  Tuner                                 DVB-CI



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