Panasonic gp8du gph8du th-37px50u th-42pd50u th-42px50u th-42px500u th-50px50u th-50px500u troubleshooting Service Manual
TH-42/50PD50U Self-check Function
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, and the SLEEP button on the remote control. Hold them down for at
least three seconds. The unit self 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.
the front of the unit, and the SLEEP button on the remote control. Hold them down for at
least three seconds. The unit self 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.
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 48
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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