Wednesday, August 01, 2012

SONY - KV 25F1U - KV 28WF1U - KV 28DS20U SERVICE MODE



APPLICABLE TO:  

SONY-KV25F1U_KV29F1U_KV25F2U_KV29F2U_KV25F3U_KV29F3U | KV25XX1U_KV29X1U_KV24WX1U_KV28WX1U_KV24WS2U_KN28WS2U | KV28WF1U_KV32WF1U_KV29FX11U | KV28DS20U_KV28DX20U_KV32DS20U.

TO ENTER SERVICE MODE

  • Turn the set ON and put it to Standby. [Press power button on the remote control to make it standby, after switch the Set On by its front panel Power Switch.]
  • Press the "OSD" button. [On Screen Display button].
  • Press digit '5' by the remote control.
  • Press [Volume +] button on the remote control.
  • Press "TV" button on the remote control.
  • Press "Menu" button on the remote control to call up the 'test screen'.
  • Use 'Joystick' on the remote control to navigate the service menu. [<]&[>]; [Up or Dn].
  • Press (>) joystick to enter the selected item.
  • Turn Off Power to Store and Exit service mode.
Test-2 mode allows entry to "TT' numbers to perform some functions.  

The important functions to these sets are:
  1. TT-0 => Switch the TT mode Off.
  2. TT-08 => To set the TV to shipping condition.
  3. TT-24 => To set the TV to 'UK' model [PAL I]
  4. TT-44 => To set all favourite pages to 100.
  • To re-initialize the NVRAM.
  • Set the TV to CH-59.
  • Select "TT-49".
  • Switch OFF the Main Supply and wait for two minutes, and switch it back ON again.
  • Select '59' and enter the service mode.
  • Select "TT-24" [UK]
  • Select "TT-42"[Reset].
  • Switch the set "OFF" by AC mains Power ON/OFF switch, and wait for two minutes and switch it ON again.
  • Auto-tune channels and carry out a complete adjustment on the set.