Question about Akai PT5250A Television

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AKAI PT5250A I HAVE A AKAI PT5250A TELEVISION, THE HORIZONTAL OUTPUT GETS HOT, AND BLOWS. THERE IS LOW VOLUME, HIGH PITCH SCREEL WHILE IT'S PLAYING, THEN IT POP'S AND GO DEAD, H.O.T. SHORTED.

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  • Akai Master
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You need a flyback.

Posted on Aug 15, 2008

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  • Akai Master
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Slinteriors is CORRECT BAD FLYBACK TRANSFOMER!

Posted on May 16, 2009

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No power for AKAI PT5250A


This is a main power regulator board fault. Check it. If you are not handy with high-voltage circuit board repair, ever attempt to continue, because, some capacitors at the power supply regulator board are dangerous to touch, even after you have unplugged the TV from AC mains supply line. They will have storage charge, that you could suffer by severe electric shock.

May 28, 2013 | Akai PT5250A Television

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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

Samsung hc-p4752w


look for trouble in the low voltage and or high voltage power supply circuits. the popping sound could be an exploded safety capacitor in the horizontal output to the flyback transformer. the horizontal output transistor maybe damaged. chances are the low voltage regulator is also damaged.

Aug 11, 2009 | Samsung HC-P4752W 47" Rear Projection...

2 Answers

Akai PT5250A - I cannot converge correctly.


this fixed this problem
Plugs on the chassis coming from keyboard and side video input are switched (they have same plug)
redoo convergence save and auto focus in factory mode after switching plugs

Jan 13, 2009 | Akai PT5250A Television

1 Answer

Akai PT5250A - I cannot converge correctly.


There is 2 or 3 resistors ck them near STK ICS 2.7 ohms replace them most of the time it is 2 of them bad.

Jan 13, 2009 | Akai PT5250A Television

1 Answer

HORIZONTAL OUTPUT OVERHEATING, HIGH PITCH SCREEL. BLOWING THE H.O.T.


whats the model number of your set and I will assist you with the problem, please respond to this same post with your model number.

Aug 13, 2008 | Projection Televisions

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Samsung PCL542R Chirping noise


There is problem in sound IC. First check it

Feb 17, 2008 | Samsung PCL5415RB 54" Rear Projection...

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Akai PT4298HD No Power, Blinking timmer light


if you know aything about tvs which it appears you do check to see if you are getting voltage to the horizontal output ckt at the collector of the horizontal output transistor if you are probably you either have a horizontal drive or output problem if you are not check to see if you have either fuses or icps or pico fuses are open generally you will see about a 135 volts to yhe hoizontal output ckt.

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