TH-42A410T85 Service Mode5.1. How to enter into Service Mode5.1.1. PurposeAfter exchange parts, check and adjust the contents of adjustment mode.While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.5.1.2. Key command[1] button...Main items Selection in forward direction[2] button...Main items Selection in reverse direction[3] button...Sub items Selection in forward direction[4] button...Sub items Selection in reverse direction[VOL] button...Value of sub items change in forward direction ( + ), in reverse direction ( - )5.1.3. How to exitSwitch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.5.1.4. Contents of adjustment mode• Value is shown as a hexadecimal number.• Preset value differs depending on models.• After entering the adjustment mode, take note of the value in each item before starting adjustment.Main item Sub item Sample DataADJUST H POSH AMPV POSV AMPV COMWB-ADJ R-GAIN 8DG-GAIN AEB-GAIN FFR-CENT 6CG-RENT 80B-CENT A0OPTION Boot upgrade NOSTBY-SET 00EMERGENCY ONCLK MODE 00CLOCK FC7Y/C DELAY DYNAMICOPT 1 00000000OPT 2 11100110OPT 3 00001001OPT 4 00000000EDID-CLK HIGH