SONY - KV 16WS1U - KV 21X1U - KV 21X4U - KV 20WS1U SERVICE MODE

SERVICE MODE ENTRY

• Turn the TV on, and put it on Standby.  {Power On by Main Power Switch at the front panel of the set, and then press "Power" button on the remote control} (Standby mode).
• Press On Screen Display [OSD] button.
• Enter digit '5' by number  button on the remote control.
• Press the [Volume (+)] button on the remote control.
• Press the [TV] button.
• Press the 'Menu" button on the remote control to call up the Service Menu display on the screen.
• To enter not an item to adjust, use "Green" | 'Blue' button on the remote control.
• Use "Yellow" | "Red' button on the remote control to adjust the data value to selected item.
• To "Exit' from service mode, turn OFF the set.

TEST MODE 2

Test mode -2 allows entry of "TT" numbers to perform some functions.  

The important functions to this chassis are:

1. TT-0 => Switch Off the TT mode.
2. TT 08 => To set the TV to shipping condition.
3. TT 26 => Set TV to UK model (PAL I).
4. TT 41 => To Re-initialize NVM.
5. TT 43 => Initialize the Geometry Settings.

For "TT" numbers above (41), the channel number need to be set to [59].