HOW TO ENTER SERVICE MODE - JVC - LT-42A80SU - LT-42A80ZU, LT-42DA8BJ -LT-42DA8SJ, LT-42DA8SU - LT-42DA8ZU - LT-42DA81U - LT-42DT8ZJ
- Press the [INFORMATION] key and [MUTING] key simultaneously, then enter the SERVICE MODE.
- When the Main Menu is displayed, press [9].
- The screen shown in Fig is displayed, and the SYSTEM SETTING starts.
When the SYSTEM SETTING is performed, all settings are reset
to the factory setting. Perform the setting again.
SERVICE MENU SCREEN
PIXEL FAULT
There are three pixel faults - bright fault , dark fault and
flicker fault - that are respectively defined as follows.
BRIGHT FAULT
In this pixel fault, a cell that should not light originally
is lighting on and off.
For checking this pixel fault, input ALL BLACK Screenland
find out the cell that is lighting on and off.
DARK FAULT
In this pixel fault, a cell that should light originally is
not lighting or lighting with the brightness twice as brighter as originally
lighting. For checking this pixel
fault, input 100% of each R/G/Bicolor and find out the cell that is not
lighting.
FLICKER FAULT
In the pixel fault, a cell that should light originally or
not light originally is flashing on and off. For checking this pixel fault,
input ALL BLACK SCREEN signal or 100% of each RGB color and find out the cell
that is flashing on and off.
MAIN DIFFERENCES OT SET MODELS
{Click on Chart to Zoom In}