Panasonic gp8du gph8du th-37px50u th-42pd50u th-42px50u th-42px500u th-50px50u th-50px500u troubleshooting Service Manual
TH-42/50PX500U Self-check Function (Reset)
Diagnostic Procedures
Self-check is used to automatically check the status of the ICs that are controlled via the
IIC bus line. Under normal condition, the status is OK. A status indication other than OK
indicates a problem within a specific board
IIC bus line. Under normal condition, the status is OK. A status indication other than OK
indicates a problem within a specific board
How to access the Self-check Screen (Reset)
To get into the Self-check mode, press and hold down the VOLUME DOWN button on
the front of the unit
the front of the unit
,
and the SLEEP button on the remote control. Hold them down for at
least three seconds. The unit automatically tunes to channel 3. The word “SELF-
CHECK“ appears at the center of the screen for a few seconds, and then a graphic
OSD that resembles the one in the figure below appears.
CHECK“ appears at the center of the screen for a few seconds, and then a graphic
OSD that resembles the one in the figure below appears.
How to exit the Self-check Screen
To exit the Self-check mode, press the power button in front of the unit for
approximately three seconds. The unit powers down and then powers back up in a few
seconds.
approximately three seconds. The unit powers down and then powers back up in a few
seconds.
Screen Display
Figure 47
Note: All Customer settings (parameters) including CableCard activation data will be
erased. If the customer uses a CableCard, re-activation will be required after the reset.
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