Set the Bass to maximum position, set the Treble to
minimum position, press the F button followed by the
volume down button on the customer controls at the
front of the TV and at the same time press the
"INDEX" button on the remote control, this will place
the TV into the Service Mode.
2. Press the RED / GREEN buttons to step up / down
through the functions.
3. Press the YELLOW / BLUE buttons to alter the
function values.
4. Press the STR button after each adjustment has
been made to store the required values.
5. To exit the Service Mode, press the "N" button.