Originally Posted by plop
you can modify the time (number of hours) and number of ON/OFF, in service menu... may help to restore black level for begining...
I have panasonic plasma TX-P42V10E
press volume- on tv, an press 0 0 0 on remote
select svr tool
in right column, in last blank space if press mute for 3 seconds, will see time and numbers of on/off.
in right column in FIRST BLANK SPACE , (in the top) if press mute for 3 seconds, will see MEMORY EDITOR....
will see a menu with four memories in left column
in the third line is EEPROM (PEAKS)
at adress 6CF and 6D0 is number of hours in hexa, and
at adress 6CB and 6CC is number of on/off in hexa
you can modify the values
i have 04430:00 hours, in hexa is 11 4E
at adress 6CF is value 4E an at adress 6D0 is value 11
i put at 6CF value 01 and at 6D0 value 00
finally a have one hour on the last space in right column.
may be the modification, is usefull for restore initial black level