Question about Akai PT5492S 54" Rear Projection Television

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PT5492S Akai PTV

No video, sound ok. high volt ok, filiments lit, menu works, tubes are lit.

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  • Anonymous Dec 01, 2008

    sound fine, no picture Akai 1080 i 54 inch projection tv

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  • Master
  • 934 Answers

That unit has a couple of various problems that are common. The first, I would check the 2d comb filter for ring cracks. If you see any resoldering them should restore the picture,
Bill

Posted on Nov 02, 2008

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Akai rear projection tv suddenly stopped working.


This set with Akai is actually made by Samsung (they own and use the Akai name).

If lamp light etc and you have heard a cracking sound it may be the color wheel.

You can remove the lamp and look where it faces--look and the wheel can be seen----is it shattered or missing plastic pieces?

The wheel commonly fails in this fashion and is turning at over 12,000 rpm. The set will detect if the wheel is stopped or moving too slow and just what you describe will happen.

Wheel is widely available and You Tube has video instructions for replacing them by model number.

Questions?


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Mar 28, 2012 | Akai PT5492S 54" Rear Projection...

1 Answer

How do I replace the red high voltage wire going to the back of the tube? Without getting the heck knocked out of me by capacitor lol..


The B+ voltage can be replaced by unpluggin the television for at least 24 hours before beginning the work on the tv. This allows the charge to dissipate.


Hope this helps :)

Mar 07, 2011 | Akai PT5492S 54" Rear Projection...

2 Answers

AKAI PT5492S - Makes a ticking noise,black


This usually is indicative of the EXTREMELY HIGH VOLTAGE anode connection somewhere between the flyback transformer and one or more of the crt picture tubes or the splitter. Being that this circuit has a running voltage potential of over 30,000 volts if you are not familiar with these YOU CAN BE KILLED messing with it!!! What happens is that there is a breakdown of insulation over time usually from dirt or other environmental contamination. Usually a good cleaning and replacing the HV anode wire that has failed. (hint) it will be the one that the "ticking noise" is coming from. The ticking noise is actually the high voltage arcing to the chassis/ground.

Be careful!!!!

Dec 27, 2009 | Akai PT5492S 54" Rear Projection...

1 Answer

What is the oem lamp # for an akai model#pt5492s and where is the best place to purchase one?


Only DLP TVs have a lamp ,projection has 3 tubes red/green/blue. Call Encompass for power supply board, Akai is the same as Samsung.
1-800-638-3328

Sep 26, 2009 | Akai PT5492S 54" Rear Projection...

1 Answer

No picture, only sound from my Akai PT5492S


This set does not have a bulb. It could be a number of things; a high-voltage problem or if the convergence IC's are bad this would prevent the set from comong on.

Mar 30, 2009 | Akai PT5492S 54" Rear Projection...

2 Answers

"NO Picture" 54" AKAI model PT5492S


I just had that problem. Check the terminal board that is on the left if you open the back of the TV. There is a thing in there with the number aa93-something. If you check under that board there should be some solders that have come loose. I just fixed this problem last night!!

Apr 29, 2008 | Akai PT5492S 54" Rear Projection...

1 Answer

AKAI PT5492S


make sure it's not muted. you can also change from lift to right speakers. you may have burned up the audio driver amp.

Apr 22, 2008 | Akai PT5492S 54" Rear Projection...

2 Answers

Akai pt5492


This could be one of many different issues. Main flaw with these units are as follows:

Blue picture tube leaks coolant onto neck board and mainboard causing problems.

Dec 17, 2007 | Akai PT5492S 54" Rear Projection...

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