Question about Philips Magnavox 51MP392H Rear Projection Television
So I rearranged my room and the night I moved my TV, the convergance blew. Thinking it must have been due to moving and not knowing anything about televisions, I opened the back and tried to adjust the blue lamp, thinking it had come loose. It hadn't but what was loose was the screw that seals the fluid in the lamp. It had a few drops on the board, and when I touched the lamp, a few more dropped, and the fuse right under it blew. At this point, the TV would still turn on and off, I would hear the mechanical 'click' when powered on, but the secondary 'click' and the picture were no longer present, obviously because the fuse was toast.
So, I did some reading on here, changed the two ICs which was really easy, cleaned up any drops of that fluid, put it all back together, and now as soon as the plug touches the outlet, the fuse right next to the power cord immediately blows, and that other fuse blows in a less dramatic fashion. As a side note, there are 3 rectangle resistors 3301, 3302 and 3365 in the vicinity of the other fuse that are labeled 220R but measure 75 ohms, and the 6.8 ohm resistors around the ICs all measure 4.0-4.1 ohms.
My two questions are, 1, what could I check in the region of the power cord that could be causing this immediate fuse blow that was before not present? 2, should I be replacing all of the above-mentioned resistors,or am I doing something wrong in measuring them? It's strange that they're all measuring incorrectly at a consistent value.
I am a novice and really appreciate any help that anyone might be able to provide.
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Posted on Jan 02, 2017
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