Wednesday, August 01, 2012

SONY - KL 371U - KL 501U - KL 50W2U SERVICE MODE



                                              TO ENTER SERVICE MODE
  • Turn the Main Power On, while holding the [Program Up & Program Dn] buttons on the front panel of the set, simultaneously.
  • AT the top right corner of the screen "TT" will be displayed.
  • Press [01] button on the remote control to see the Service Menu on screen.
  • Press "Up Arrow or the Down Arrow' buttons on the remote control to navigate through Menu Items.
  • Press "OK" button to select an adjustment.
  • Press "Up Arrow or Down Arrow" buttons to highlight an adjustment item that need to be adjusted and press "OK" button.
  • Use "Arrow Up or Arrow Down" buttons to adjust the data value to selected item, and press "OK" button to store it in memory.
  • To "Exit" service mode, Turn Off the Main Power by the front panel of the TV set.
Test mode-2 allows entry of "TT" numbers to perform some functions.  The important numbers to this chassis are:
  1. "TT-0" => Switch the TT mode Off.
  2. "TT-08" => Set the TV to shipping condition.
  3. "TT-15" => Set the TV to Factory Reset.
  4. "TT-16" => User defined reset values.  Loads the contents of the NVM when the set was last switched Off.  [TT-15] loads the Factory Defaults.  To do this, press "TT-15" followed by "TT-16"