Sony XR-55A95K Service Manual page 6

SAFETY NOTES
To reduce the risk of image retention:
• Fill the screen by changing [Wide mode] to eliminate the black bars. Select [Wide mode]
other than [Normal].
• Turn off the OSD (On Screen Display) by pressing the DISPLAY button and turn off the menus
from connected equipment. For details, refer to the instruction manuals for the connected
equipment.
• Avoid displaying static images with bright colours (including white), clocks or logos on any
portion of the screen.
• Set the picture settings based on the ambient conditions. The Standard Picture is
recommended for home use and when viewing content that often displays the station logos, etc.
The TV has following features to help reduce/ prevent image retention. Press the HOME button,
then select [Settings] – [Picture & Display] – [Expert panel settings] – the desired option.
Panel refresh.
Panel refresh will automatically run to adjust the uniformity of the TV screen after it has been
in use for long periods of time.
Panel refresh can also be performed manually and should only be used if image retention is very
noticeable, or you see the following message: [Panel refresh did not finish...]
Caution:
• The Panel refresh function may affect the panel. As a reference, perform the Panel refresh only
once a year, do not perform it more than once a year as it may affect the usable life of the panel.
• Panel refresh takes about one hour to complete.
• A white line may be displayed on the screen during the Panel refresh, this is not a
malfunction of the TV.
• Panel refresh will only work when the room temperature is between 10ºC and 40 ºC.
Pixel shift.
Automatically moves the image on the screen to prevent image retention.
Other feature.
The screen brightness is automatically reduced when displaying still images, clocks, bright
colours or logos etc.
1-3. Caution_for_Board_handling.
Symptom : The following problems will occur due to handling of the IC mounted on the board.
・Solder crack due to substrate handling (stress).
・IC breakdown due to static electricity (ESD).
When repairing the TV at the customer's home or service station or Repair of defect board,
please pay attention to the handling of the board.
※Substrate that needs attention for handling
・Main Board（B** - Board）
・Backend Board（D** - Board）
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SYS SET