Question about Mitsubishi VS-4543 45" TV

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TV turns off a second after turning on....

When I turn on my VS 4543, it "clicks" as if turning on normally, and the power lite comes on, but it then "clicks" off one second later, before any picture or sound comes on. This happens whether I turn it on by remote or by the pushing the power button.

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Re: TV turns off a second after turning on....

You have a high voltage shutdown problem, look at the threads here on Mitsubishi and you will find your answer.

Posted on Sep 21, 2007

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Tv turns off immediately after turning on

Hi I'm Peter hope this helps, Harley , S&S and a few others sell the adjustable pushrods.

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Apr 20, 2014 | Mitsubishi VS-4543 45" TV

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Blank screen and no audio on Mitsubishi vs 4543 when ps3 is connected through rca cables. other electronics work fine.

Check and replace the main power regulator [SMPS] board to your TV. Contact any service technician, or the authorized service center for Mitsubishi. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.

Mar 12, 2014 | Mitsubishi VS-4543 45" TV

1 Answer

I turn it on with a remote and it turns right back off.

This is a older rear projection set. What I have seen and suspect is your problem is this set develops bad solder connections with age---this is a normal thing as the boards expand and contract when hot and then cool down.

Most likely some connection in the power supply has broken loose---I fixed several where it was a 20 minute job to get at the bottom of the circuit boards and resolder poor connections.

Let me know if you have questions as I am here to help.


Aug 10, 2010 | Mitsubishi VS-4543 45" TV

1 Answer

My tv will come on with sound but no picture

This is annoying, but common. There is a delay to the backlight that sometimes seems to get stuck and can usually be resolved by restarting right after you turn it off.
If it wont light up at all, you may need a new inverter depending on how old the set is.

Mar 07, 2010 | Mitsubishi VS-4543 45" TV

1 Answer

I have a Mitsubishi vs-4543 tv that when powered

check the power supply section.. probably the electronic component got problem.

Jun 04, 2009 | Mitsubishi VS-4544 45" TV

1 Answer

I have a vs-4543 picture only works part time sound always works

most likely bad solder connection or cold solder connection which is making contact after the set is moved or vibrated doe's this happen right away
or after the set is warmed up

May 07, 2009 | Mitsubishi VS-4543 45" TV

1 Answer


PVAT!!Look for bad connects--start w/easy first. Power supply,then vertical IC pins,then regulators.Take your time,be thorough.

Oct 01, 2007 | Mitsubishi VS-4543 45" TV

3 Answers

Power problem

Look in Mitsubishi threads here your problem has already been answered.

Sep 21, 2007 | Mitsubishi VS-4543 45" TV

1 Answer

Mitsubishi vs-4543

Most likely the convergence output IC has shorted out and has overloaded the convergence power supply, which has stopped working. The computer senses that the convergence power supply is not running and shuts the set down. The convergence IC should be replaced, the power supply restored and the convergence circuits realigned by someone experienced in Mitsubishi projection sets. When I do a housecall for a set like that I charge $150, but shops in your area will vary so ask around.

Aug 04, 2007 | Mitsubishi VS-4543 45" TV

1 Answer

Black screen and have sound

find problem here in threads,

Nov 15, 2006 | Mitsubishi VS-4543 45" TV

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