Question about Mitsubishi VS-5043 50" Rear Projection Television
I have aa Mitsubishi VS-5071 50 inch rear projection TV and the video just stopped working. None of the projectors light up but sound is great. I examined the PCB's and found no burnt marks and there is no smell of burnt components. The fuses look ok. There is a faint sound coming from the ( coil ? ) on the anode PCB side. Sort of a faint electrical arc ???
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.
Posted on Sep 10, 2008
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Posted on Jan 02, 2017
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