Panasonic TH-42PX50U Replacement Procedure page 35

Entry to Serviceman Mode:
Using the Remote Control:
1. Select SET-UP icon and select CABLE mode.
2. Select TIMER icon and set SLEEP time for
30Min.
3. Press "ACTION" twice to exit menus.
4. Tune to Channel 124.
6. Press VOL down on the receiver. Red "CHK"
appears in the upper left corner of the screen.
7. Select an active station.
•Press Power on the Remote Control to display the Serviceman Adjustment Menu.
•Press Power again on the Remote Control to exit the Serviceman Adjustment Menu.
Exiting the Serviceman Mode:
•Press the Power button on the receiver (Not the remote) until the receiver
turns off.
•The unit momentarily shuts off (for about 5 seconds);
then comes back on tuned to channel 3 with a preset level of sound.
Note: If the Action and Power buttons are used to exit the Serviceman
mode, any programmed channels, channels caption data, and some other
user-defined settings will be erased.
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