Question about Haier 42EP24S 42 in. EDTV-Ready Plasma Television

3 Answers

My haier plasma tv HLH406BB I turned it on last night and heard a pop sound now have no picture or sound, can you tell me the problem and give a solution if possible. Thank you Pam Shogren shogren@windstream.net

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  • shogren May 02, 2010

    We are receiving no error message or blinking light the TV will not power on.

  • shogren May 02, 2010

    Hi Robb

    I sent you another message did you get that one about the Tv not powering on at all and no error message or blinking light.

    Thanks

    Pam

  • shogren May 03, 2010

    Thank you so much for your help, I will give my husband the info and he can try tomorrow night and I still keep our line of communication open so if he needs to talk to you he can. Thank you so much for answering me.

    Thanks again,

    Pam

    shogren@windstream.net

  • shogren May 03, 2010

    Do I need to accept your solution now or can I wait till we try this? Thanks, Pam

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  • Haier Master
  • 12,061 Answers

Http://elektrotanya.com/?q=TVs&page=14
http://elektrotanya.com/haier_htx14s33.pdf/download.html
http://freeservicemanuals.net/index.asp?q=4&page=8
Above are service manual for your make and model. use the troubleshooting procedures inside.
ANY "pop" sound is NEVER GOOD....But even with these symptoms, you may wish to have a look. I would start at the Power Supply and work out, here's some info below... Troubleshooting say if it is shutting down, after a certain amount of time, of working and then faulting, then it is most definitely a "Thermal" problem, the way we "Find" problems such as this is "Freeze Spray" you use this on each component that is suspected of being the "Culprit" and you will soon,find that errant component. Now also not every fault is a Capacitor, I see many, many people that think, that Capacitors are always the "Culprit" now while that may be true in a few cases, a faulty Electrolytic Cap, or ordinary, Cap goes faulty, this is only a SYMPTOM, something has damaged those caps causing them to "Fail". One MUST always find the root "Cause", otherwise if you just treat, the SYMPTOM, the "Cause" will just make the "Symptom" come back, in short order, as the prime cause still, hasn't been fixed., Now Capacitors hate AC ripple, or Over Voltage. Thats it. Oh.. and Heat, if these Capacitors, are too close to a Heat Source, then thats a prime cause of failure. Resistors, hardly ever go faulty,and if they do, it is generally obvious. However it doesn't hurt to check values with our Multimeter. Remember though resistors are made, with up to 20% tolerance from stated value, as such, are not too critical, unless in Timing circuits etc. Always check, the Values, of resistors, as with any other component, with the power OFF. Now Diodes especially "Zener Diode", are another thing to check, those and ordinary "Signal Diode" should always be suspect. next we have Transistors and IC's. The Transistors MUST ALL be checked to see if they have a good, "Junction" this is done, with our meter set to "Diode Test" and usually are about 0.6 to 0.7. With IC's you must check, voltage levels, or Logic Levels, going in and out, have a look at the circuit diagram, and it will tell you what they should be. It is a good idea to always measure the Power Supply voltages, see if a "Rail" is Low, that will be because some component has gone somewhat or all short circuit, to Earth, now, if the "Rail" is Higher, suspect an "Open Circuit" component, like a Diode, or Transistor. The voltages expressed in the manual are spot on, ANY variation MUST be investigated. I have been doing all this for over 30 years now, and I do indeed wish, we could have a set of "Symptoms" and be ables to say.. "Oh that;s the so-in-so and replace this" however unfortunately this although does happen, most "Symptoms" can have literally tens, of "Causes" all often "Interlinked" One simply has to do a methodical troubleshooting procedure, and always think, "are my Voltages Correct" as this is how, you Fix the problem, by making them so. Keep up the good work. If that link above doesn't furnish a Service manual, it is imperative you get one, even if you must pay for it. It will pay for itself in about 2 mins. Now just replacing boards will most likely just end up with more faulty, boards, as related you MUST ensure that you have the cause of the event, before we change anything. I have seen so called, "Techs" replace every board, and virtually every component, and that STILL didn't fix it, because the "Fault, or Cause" lay elsewhere, and had not be repaired FIRST, you see that FIRST STEP, like everything in life, is, CRITICAL.
Now if you feel that it you do not want to do it. It is my professional advice is to get you set looked at by a Haier Authorised Service Centre, and ask for free "Quote", this way, you will be able to make an informed judgment, as to repair or replace. As these days seemingly insignificant SYMPTOMS, often cost as much to repair as it may cost to buy.

Posted on May 03, 2010

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  • Master
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Hi,

As there is a Pop Noise, more likely it is Power Supply Board. You need to Open the TV. Make sure it would be Unplugged. You need to Take all the Precautions. Locate the Power Supply Board. Remove the Connectors and Pull out the Board. Once you Pull out the Board, with the Help of Magnifying Glass, locate Cold Solder Joint. If Everything is OK, then you would Locate Bulged / Leaked / Swelled Caps. They would have Ammonia kind of Odor. You need to De-Solder them. You could take the same to Radio Shack / Fry's / Order Online. Once you get the New Caps, Solder them and it is all set.You also need to Check Fuses around that.

Getting a Service Manual for this Model could be tough, but i would be able to ask few vendors, in case problem would not be resolved. Usually, you could easy repair the Power Supply Board, if you could catch Few Bad Caps ( which i assume as you heard a Pop Sound ).

Let me know,once done.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on May 03, 2010

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  • Master
  • 666 Answers

If something blew you tv should be giving you a error message in the form of a blinking power light

the blinking light signifies to a repair technician with capacitors or circuits are having an issue they can diagnose the problem via the amount of blinks in between pauses however it will require a technician and some specific tools and schematics to fix and it may be cheaper if its no longer under warranty to purchase a new one


Hope this helped
Robb

Posted on May 02, 2010

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