Service Manuals, User Guides, Schematic Diagrams or docs for : RCA LCD RCA_L37WD250_L42WD250_L46WD250_SI_Alignments_[SM]

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RCA_L37WD250_L42WD250_L46WD250_SI_Alignments_[SM]


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P810
Alignments
                                                                                                                                                                                                      Local Upgrades/Applications: Will search for software up
Entering the Factory Service mode                                                                                                                                                                     grades, then initiate the upgrade process.
Turn the instrument OFF. Then press the Vol - button on the       Clear RRT: Clears the Regional Ratings Table. Select OK to
remote and Vol - on the keypad simultaneously. Hold the           clear the table.
                                                                                                                                                                                                      Current Software Info: Displays the current software version
buttons for approximately 10 seconds until the instrument                                                                                                                                             and the date of install.
turns ON. Using the remote if you want to select an item,         Test Pattern
press the Up (^) and Down (v) buttons. Adjust the setting         The Test Pattern menu will display either a multiple color
                                                                                                                                                                                                      Video Alignment
value using the Left (<) and Right (>) key. Press the Clear       bar or a flat color screen. Each display will be visible for
button to return to the main menu after adjusting a value.        approxitimately 5 seconds. Use the arrow up or down on the
                                                                                                                                                                                                      The Cut Off alignment is used to define the color
Press the Clear button or select Go Back the menu to exit         remote to select Test Pattern from the menu. Then use the
                                                                                                                                                                                                      coordinates for low level luminance. The Whitepoint is
the Factory Service mode.                                         OK button on the remote to enter the next menu. Select Go
                                                                                                                                                                                                      used to define the color coordinates for bright luminance
                                                                  Back to return to the previous menu.
                                                                                                                                                                                                      This alignment must be completed using Line Input
                                                                                                                                                                                                      (CVBS).




                                                                                                                                     Multiple Color: Select, then select OK to display multiple
                                                                                                                                     bands of color.




Main Menu
The Main Menu includes the following features:
                                                                                                                                                                                                      1. Enter the Factory Service mode.
Dealer Service Menu: This is at the very top of the screen. It    Single Color: Will bring up 2 options.                                                                                              2. Select VIDEO from the menu, then select Normal from
contains the current software version loaded in the instrument.                                                                                                                                          the Color Temperature sub-menu.
                                                                  Manual: Select which color to display (Red, Green, Blue,
Go Back: Returns to the previous menu.                            White and Black). Press the OK button on the remote to                                                                              NOTE: It is only necessary to perform the Cut Off and White
                                                                  display the pattern.                                                                                                                      Point Alignments with the Color Temperature set to
Test Pattern: Menu will bring up color test screens.                                                                                                                                                        the Normal position. The values for Cool and Warm
                                                                                                                                                                                                            are interpolated based on the Normal settings.
Speaker Test: Press OK for a 5 second test tone.                                                                                     Software Upgrade
                                                                                                                                                                                                      3. Insert a grey test pattern with a 10 to 20 Nits luminance
                                                                                                                                     Software upgrades are installed by the use of a generic USB
Operating Hours: Displays the hours of operation                                                                                                                                                         level.
                                                                                                                                     device. Specific instructions related to software updates will
                                                                                                                                     be released within the software data package.                    4. Using a Color TV Analyzer meaure the coordinates at
NVM Initialise: Clears the NVM. This function resets all                                                                                                                                                 the center of the screen. Adjust Red Offset, B Offset and
customer settings to a out of box condition. Press the OK                                                                                                                                                Green Offset for x = 0.280 +/- 5%, y = 0.290 +/- 5%
button to start the process.                                                                                                                                                                          5. Insert a 50IRE (or 150 nits) grey test pattern.
                                                                                                                                                                                                      6. Using a Color TV Analyzer measure the coordinates at
Reset Operating Hours: Resets the operating hours to 0.                                                                                                                                                  the center of the screen. Adjust R Gain, G Gain and B
                                                                                                                                                                                                         Gain for x = 0.280 +/- 5%, y = 0.290 +/- 5%.
Current Software Info: Displays the current software
version.
                                                                                                                                                                                                      NOTE: It may necessary to switch between the Cut Off and
                                                                                                                                                                                                            White Point Alignments in order to achieve the
Software Upgrade: Allows for software upgrades.
                                                                                                                                                                                                            proper alignment.
Picture: Customer Picture Menu                                                                                                                                                                        8. Exit the Service Menu by press the Clear button on the
                                                                  Automatic: Select, then select OK to scroll through the                                                                                remote.
Video Alignment: Video Alignemt Menu                              different color screens (Red, Green, Blue, White and Black).
                                                                  Will continue to scroll through the patterns until the OK button
                                                                  is press.


                                                           Page 2-1                                                                                                                             Page 2-2
P810
Alignments
 Brightness Alignment
  1. Enter the Factory Service mode.
  2. Select VIDEO from the menu, then select Brightness.
  3. Insert a pluge test pattern thru RF with a 2% setup
     background with a 0% and 4% bar.
  4. Adjust the Brightness so that the 0% bar is invisible
     with the 4% bar visible.
 5. Exit the Factory Mode by pressing Clear on the remote.

 Peak White Adjustment
 The Peak White alignment must be completed to the
 following standards.

 1. Enter the Factory Service mode.
 2. Select VIDEO from the menu, then select Peak White.
 3. Input a test pattern with a 100% white centered pad on
    a dark background.
 4. Using a Color TV Analyzer measure the luminance
    level (Y[nit]) of the white pad. Adjust with the Scaling
    Contrast the Light Output Level (PW Level) for 400
    Nits + 20%/- 10%.

 Defective Pixel Specification
   A pixel is defined as three elements or dots, one red, one
 blue, and one green. Thus one bright pixel is three bright
 adjacent dots. No bright pixels are allowed but 3 bright
 dots are allowed subject to the following:
   The bright dots must be viewable on normal program
 material (not static test patterns) when viewed at a distance
 of five feet from a point perpendicular to the center of the
 screen at eye level. The panel is considered defective if
 the pixels are viewable and they are within 



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