Mitsubishi vs-5043 rear projection sound no picture
It has worked fine, But the all of the sudden the picture is black nothing coming out of CRT's I do see glowing near bottom of tube. I have service manual and what I have checked out seems ok. I have sound
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That is a VZ3 chassis, similar to Mitsubishi models Ts-4545, Ts-5045, Ts-5545, Vs-4543, Vs-4544, Vs-5043, Vs-5044, Vs-5047, Vs-6043, Vs-6047 and has common failures in the vertical circuit, specifically vert Ic401 which is a La7845 which is usually caused by defective C402 100uf 50v and/or open 1.2 ohm 2 watt R510 next to FBT.
If not that check C268 off Q215 on signal board 22mf/50v and Ic200 on signal module Cxa2025s. However the vertical failure is more likely.
I turned the set on and everything was fine, then the screen went black and mullti-colored horizontal (arched) lines were flashing across the screen. The next day I turned the set on and everything was fine for about 5 minutes then the problem reoccures again. Haven't looked for solutions till now.
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.
Is the noise in all inputs (line, tumer) ? If it is in the tuner alone, check the coax lug to see if you knocked it loose. This could be the problem. Check you picture with a DVD player on the Video input. Let me know what you find.
I just had this same exact problem. I looked for an answer on here and could not find one. So I took the back off, vacuumed and cleaned everything out with the hose on my house vacuum, cleaned the bulbs and wiggled them around some. Voila !!!! lights on and all is working fine and better then ever. I hope this helps someone fix their problem. Just saved me tons of money and a morning of hassle.