Question about Panasonic PT-40LC12 40" Rear Projection HDTV
New lamp air filter cleaned now how do i reset it?
Remove silver panel on front marked HDTV and BBE
Open bulb compartment
On the right side of the bulb compartment is the filter compartment
Remove filter and clean
Every 400hours it will prompt to do so.
Comment by Soulvisitor, posted on Jan 03, 2008 Service mode info
Enter Service Mode: With the TV powered off (make sure it's off for a few minutes before trying this, or you'll wait for the customary cooldown period before anything happens if you turn the set off and try this stuff immediately), press and hold both the "VOLUME Down" button on the TV itself and the TV/VIDEO key on the remote control simultaneously for about 7 seconds (they say over 5 seconds in the manual). The TV will be turned on and it will have a screen full of status data atop an active TV channel.
Next, press the SWAP/STOP key on the remote for more than 5 seconds.
You should be taken to a screen that has " LAMP/FILTER/IIC" as a selectable entity. Press the Action key to select it and move to the next screen of info.
You'll see a status screen with the number of Service Mode Resets of the Lamp run time (I inadvertently reset my Lamp to 0 hrs after 95 hours of initial operation, and I'll show you how to avoid that in a minute). You'll also see Total Time, which I assume is total TV run time, Lamp Run Time, and Filter Time, all in hours.
You can backchain to the the prior screens with the Recall button on remote.
To exit this service mode entirely, you must turn off the TV.
You can also enter a different service mode menu to control a number of parameters, as I first learned from Doug McDonald at this link >> http://www.avsforum.com/avs-vb/show...hlight=pt40lc12 when I was trying to learn how to perform service mode color adjustments.
Depress the "Volume Down" button on the set itself while concurrently depressing the "Recall" key on the remote for about seven seconds, and you'll be taken into "Work Mode". At this point, you can press the Action key, and select "Information", where you'll not only see Input mode (as usual) but also Lamp Run Time (but not Filter time or total run time).
You can enter the more advanced service mode menu by pressing and holding the Volume Down button down on the set itself while concurrently depressing the SWAP/STOP key on the remote for more than five seconds. -- This displayed a Factory Adjust menu, with bunch of settings. See Doug's message for more details. (Do not press Vol Down on the set and PIP/PLAY on remote simultaneously, or you'll reset the Lamp time to 0hrs as I did !)
Unfortunately, the service manual does not describe all the tweakable settings in the Factory Adjust menu.......
PC Mag and ExtremeTech
Posted on Jan 03, 2008
SOURCE: tv is displaying to clean
Found on the net:
The Panasonic air filter is located BEHIND the removable Front Panel.....it pops off and you should see it located in a "screwed in" panel.
But, it MAY be located on the BACK or side.....LOOK for a Grille with a grey or black foam piece. IF you don't find it behind or beside the TV, then pull off the Front panel.
Now, those foam filters can be removed from the grille-plate to be washed......the best way to wash it is to PUSH the dust out of the filter by turning the Clean-side of the filter TOWARDs your water source (the faucet or the Much-preferred Kitchen Sprayer)....Now get that DUST OUT!
Once finished cleaning just shake all the water out of the foam panel. Snap it just like you're snapping somebody with a towel. Still Moist? Don't worry, the plenum on the TV is pretty long and "moisturized air" won't hurt the bulb......
And DO NOT let that filter go that long between Cleanings!! It EXTENDS the life of the bulb when maintained regularly.
Posted on Oct 12, 2010
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