Question about Panasonic PT-50LC14 50" Rear Projection HDTV-Ready Television
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Posted on Jan 02, 2017
Found that the thermistor/temp measuring device is suspect, no resistance across legs. There is a label there that says F701 see service manual
I went here for a tech manual for the Panasonic tv.
Part Description: FUSE
Part Number: LSJA0411-1
it was mounted to the case that holds the lamp. had to remove the back panel, etc. Also think I had to splice in the fuse or something. was a while ago.
i purchased a NTE8115 from my electronics supplier, closest I could find. Radio shack also has them.
remove the back cover and measure for continuity across the thermal fuse
above the lamp housing.
if open jump it wth a 5 amp fuse, be sure to close the safety switch with
the small blue lever then try to power on.
If comes on ok you will need to replace the entire ballast assembly to get
Panasonic does not have a part number for just the fuse on the PT40LC
It is possible to cut off the fuse and replace with another but dont solder
Posted on Jan 28, 2008
I know this isn't the right field to enter this information, however I cant recall where that is. So I will state that as it turned out the lamp was the culprit. After buying the manual from http://www.ManualsParadise.com, [bad photos within the manual from Panasonic] and having a friend or a friend look over the particular pages referring to the thermistor AND looking at the lamp, we couldn't determine whether or not the bulb had blown or "fizzled out". As it ended up, thru Panasonic, I found a service technician that would come out to my home, and he was able to determine that it was indeed the lamp. Cost me $300 for the replacement lamp, and additional monies for labor. Not to mention my out of pocket for the service manual and the first tech coming out and looking it over.
Posted on Jan 31, 2008
Depends on how much tv you watch, lamps burn out after anywhere from 5,000 up to 8,000 hours also you xould have a bad fan if fan does not work lamp will not come on.
Posted on Dec 04, 2008
Check your FAN if fan does not work Lamp will not come on ,also Lamps only last 5,000 up to 8,000 hours so every hour that set plays the lamp timer is counting .Go to E-Bay you can find lamps 99.00
Posted on Dec 04, 2008
Lamp light flashing once every 5 seconds or twice every 5? Twice every 5 seconds,....lamp failure, once every 5 seconds,...ballast or thermal fuse failure. You have a lamp, ballast or thermal fuse problem. The ballasts are a discontinued part and can only be purchased used at approx. $225.00 or rebuilt for around $175.00 less any service charges to diagnois and repair.
Posted on Jan 24, 2010
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