Question about Philips Magnavox 51MP392H Rear Projection Television
At first the red lines would not line up even when adjusting the converse settings, the blue and green are fine , now the red lamp is lit but there is no picture coming from that paticular lamp, when you try to adjust the voltage (light power) knob in the back of the tv for the red light it shuts off all 3 lights, there is picture coming from the blue and green just not the red.... what part would mess this up?
Have an older magnovox projection tv. The tv is now dark with a purple hue. I opened the back of the tv and the blue and red light is lite but the one in the middle is off don't know what color that one should be but is this fixable or is this hopeless. and if this is fixable where would I find the part.
Posted on Aug 02, 2009
Sounds like you have two differant problems. A red drive or red picture tube is bad and the conbvergence IC's are bad. To test the red drive disconnect the green picture tube socket BUT MAKE SURE THE SET IS UNPLUGGED!!Then remove the red socket and move over to the green tube. Then turn on the set. If you get the same out of the green then you have a drive problem that needs to be trouble shot for a bad componet. If you do get a picture with the red connected to the green then the red tube is shot. If you know how to read a schematic, get one and then you should have no problem troubleshooting the red drive and the convergence problem. If you dont then there is no easy or quick fix as this is a solid state set and there are no user replaceable parts inside this.,. Your going to need, for safetys sake, call in a trained tech to assist you with this repair
Posted on Sep 15, 2006
Tips for a great answer:
Could you show a picture of the distended cover you mentioned?
Were the light blue lines you were referring to, diagonal, or truly horizontal?
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