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Re: my mitsubishi vs 5071
You might have a bad PIP board, When you say NO picture. Is it totally blacked out or blacked out with "blue snow". The PIP has been alot of problems in this chassis and you will experience what your describing. Capacitors are the root of the PIP boards failure. Let me know if I can assist you further.
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CLEANING THE " LENS" MIGHT BE POSSIBLE IF YOU HAVE A LITTLLE SKILL,,UNPLUG THE TV FROM THE WALL OUTLET ,,,,LET ME REPEAT THAT --UNPLUG THE TV FROM THE ELECTRICITY....TAKE THE BACK OFF THE TV---LOOK UP AND YOU WILL SEE 3 PICTURE TUBES POINTING UP,,,ON TOP OF THE TUBES THERE IS A LENS (GLASS)...YOU CAN SPRAY GLASS CLEANER ON RAG OR PAPER TOWELL AND GENTLY RUB OFF ALL THE DUST AND DIRT--USUALLY REALLY BAD IF SMOKERS-- WHEN U GET THRU ,,PUT THE BACK AND REPLUG IN WALL OUTLET--THERE IS ALSO A MIRROR ON PROJECTION TV'S --I RECOMMEND A TECH FOR THAT SERVICING --IF YOU ARE UNCOMFORTABLE ABOUT DOING THIS ----DON'T
THE FRONT SCREENS USUALLY AND RARELY NEED CLEANING...JUST USE A SOFT CLOTH AND RUB TOP TO BOTTOM ON THE OUTSIDE ONLY-GEENTLY TUNICA
A clue to what is wrong is by looking from the back (taking the back off) and looking to see if the three picture tubes have any yellow glow at the bottom of them where the three identical boards are located on each tube.. If you have no glow there you possibly have a resistor R4703 open. It is a 3.3 ohm resistor and feeds the voltage to the filaments in each tube where the glow is suppose to be. If you do have the glow the problem could be much more complicated. Another to check is to see if the menu comes up on the screen. You could possibly be in the wrong input mode, Check your input mode with the input button on the remote The number R4703 is a location number to identify where the resistor is. This is all I can tell you that would not require much more complicated procedures requiring a tv repairman to look at it. If you have an ohm meter you can check R4703 but it must be checked out of circuit. (or at least one leg loose) Hope this helps
No video but good audio Mitsubishi VS5051. Check R509 and R 519, 100 ohm resistors located on the main PCB near the flyback transformer. Also bad connections on any of the yokes and the vertical output IC will cause the same problem.