Question about Panasonic PT-LB50U Multimedia Projector
Posted by Anonymous on
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Posted on Jan 02, 2017
There is a problem in your 3.3v main line and until corrected it will not power the lamp. This isn't usually an expensive repair but one that a shop will need to do since most of the work will be in trace testing voltage and signal using a scope.
For future information only here are the blink codes for this unit:
1 | Load Shortage
2 | Over Volage
3 | Fan Sos
4 | Main 3.3v
5 | Lamp Disable
6 | Gc3fm-Iic
7 | Gc3fs-Iic
8 | Gc3i-Iic
9 | Color Wheel Stop
Hope this helps!
Posted on Dec 01, 2007
Having similar issue with my PT-44LCX65. Lamp blew and replaced it (last month), never figured out how to reset timer. Now red indicator light blinks once every 5 seconds and after about 4 minutes TV goes black.... Any ideas?
Posted on Jan 12, 2008
SOURCE: replacement lamp not working
It seems there could be a number of problems causing this. For the PT-LB10 series, there's a service manual at
You'll need to be handy with electronics, or know someone who is...
Posted on Feb 16, 2009
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Possible bad color wheel...
Pull the lamp out & look inside where the lamp sends the light-
does the color wheel look defective? If so,replace it.
Or, the lamp ballast may be bad.After that,usually replace
Oct 19, 2007 | Samsung HL-R6167W 61" HDTV
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