Question about Akai PDP4273M Television
After 2 years with this display it is no longer working.
While watching tv today all the sudden the screen turned off and I heard it click two to three times.
Pressing power button did nothing.
I unplugged the display.
Then I plugged it back in and pressed the power button.
I could hear the click sound (like it always does when you turn it on) but the screen never turns on, and then upon pressing the power button nothing happens at all.
I can get it to make the click sound when pressing the power button only after unplugging it and then plugging it in again.
I also tried plugging it back in and then keeping the power button pressed down. When I did this I was able to get the screen to turn on, but only long enough for the blue AKAI screen to show up before the display shut down.
Any help on this is greatly appreciated.
It does sound like it is a capacitor problem, blown capacitors are usually curved out or bulg out when they are bad. You can try taking apart and look for the power board and check to see if there any blown capacitors, Most repair shops usually charge about $150-$200 to fix it. I have never fixed a plasma before, but I have fixed numerous LCD panels and 95% of the time it is a capacitor issue and sometimes a transistor issue in the invertors. I am not sure if Plasmas have invertors or not, I think only LCD's do.
Heat is the enemy of electronics, and these sets operate hot. You might wish to unplug the TV for an hour or more. If this power reset does not allow the TV to turn on component failure is indicated. These sets are assembled using the wave soldering process they are known for having cold solder connections. This model of TV has over 2,000 parts which include millions of transistors inside the integrated circuits. The capacitors will change value, leak and become defective. Resistors will change value and burn. Integrated circuits and transistors can go bad. This can cause other components to become defective, which can have a domino effect and cause other parts to fail. Replacing one defective part may make the TV operate for a short time but the part will fail again since if the parts that caused the failure to begin with are not replaced. The only way to know for sure what is causing the problem, which parts that are no longer within factory specs and for proper repair all the electronics must be diagnosed by someone with the correct electronic test equipment and the skills to use the test equipment.
I would reccomend having it done by a professional, or getting the TV replaced, preferebly LCD HDTV as they are easier to diagnose and fix than plasma's.
Posted on May 11, 2009
Basically sir, it is not a capacitor issue. It is a flyback issue or video amplifier. As you have said, there is no picture.
Is there any sound? if there is it could be the two i mentioned earlier. The best way to deal with TV is to take them to a technician and let them do the work. Working with TV is very dangerous since it can electricute once you made a wrong move.
It can be the video amplifier that it is not getting much signal or the flyback has a hole/leak since you hear a sound. The sound is actually the current that escapes thru the holes. So i suggest that you don't plug it again and take it to a technician before you burn your house.
Posted on May 10, 2009
The photon charges at the back of the tv might be damaged, if ur tv is not under warranty i suggest u to check the interior to see if there is any burnt capacitors at the back..... have a multimeter and test the capacitors
identifying and fixing it shud solve ur problem
thank you have a nice day
Posted on May 10, 2009
This seem issue with the HT transistor, or rectfying diode from chopper transformer.
Let me know
Posted on May 10, 2009
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Posted on Jan 02, 2017
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