Troubleshooting - Hitachi 50PD9800TA Service Manual

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50PD9800TA (FW1)

7. Troubleshooting

How to get to Burn-in mode
This mode displays the test patterns of some single color raster in turn. These signals are from built-in gener-
ator of panel. So it can be presumed that maybe the panel has some trouble when the screen of Burn-in
mode is abnormal.
Using the R-side control buttons with the set turned off (standby) can activate this mode.
Press the SUB-POWER( ) button and VOLUME DOWN( ) button at the same time, and hold for more
than 5 seconds. (This operation is equal to select service Adjustment Menu No.407 and change data from 0
to 1.)
The set turns on with single color raster and the OSD of [BURN IN: ON].
To escape from this mode, press the SUB-POWER( ) button and button at the same time, and hold for
more than 5 seconds. Burn-in mode will be released.
How to check method of the use accumulation time for panel.
Select No.594 of Service Adjustment Menu.
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