Wednesday, August 08, 2012

GE - 27GT 530TX51 SERVICE MODE and ADJUSTMENTS




TO ENTER SERVICE MODE


  • Turn the TV ON.
  • Press and Hold the 'Menu" button, and hold it down while pressing the "Power" button.
  • While Holding Down the Menu button, Release 'Power" button and press the "Volume (+)' button.
  • The screen will display Service Menu.
  • On the left 'the Parameter P0 & on the right parameter V0.
  • Release buttons.  
  • Use "Ch Up & Ch Dn" buttons to call an item to adjust.
  • User 'Vol + & Vol - buttons to change the data value to selected item.
NUMBER  =>  PARAMETER NAME  => DEFAULT VALUE

  1. => Error code 1 => 0
  2. => Error code 2 => 0
  3. => Error code 3 => 0
  4. => Horizontal Phase => 10
  5. => EW DC (Width) => 16
  6. => EW Amplitude => 8
  7. => EW Tilt => 8
  8. => Top Corner Pin Correction => 2.
  9. => Bottom Corner Pin Correction => 2.
  10. => Vertical DC => 33.
  11. => Vertical Size => 84.
  12. => Vertical Count Down Mode => 0.
  13. => Red Bias => 30.
  14. => Green Bias => 15.
  15. => Blue Bias => 34.
  16. => Red Drive => 41.
  17. => Green Drive => 33.
  18. => Blue Drive => 32.
  19. => Gem star Horizontal OSD position => 166.
  20. => Gem star Vertical OSD position => 68.
  21. => Gem star PIP Horizontal position => 40.
  22. => Gem star PIP Vertical position => 43.
  23. => Gem star PIP Window Vertical Size => 3.
In order to adjust the RF AGC, audio or video levels, tuner, PIP, or stereo circuits the 'Chipper Check' hardware and software must be used.  This can be purchased from 'Thomson Electronics'.  Before making any changes to any of the values, record the On Set values.

COLOR TEMPERATURE

Press 'Menu" button for collapsed raster service line.  Disconnect the antenna.  Preset the Red, Green and blue drive values to [32].  Adjust screen control for a service line that is just visible.  Adjust Red, Green and Blue drives to obtain a white raster.  Check the low-light to high-light gray scale tracking.  Repeat the procedure, if necessary, to obtain the best performance.

Note:  See Service adjustment Parameters to change the Drive and Bias values.