REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Thursday 21 February 2019

GE - 27GT 530TX51 SERVICE MODE AND ADJUSTMENTS

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.