Question about Televison & Video

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While watching the television it suddenly went off. I used tried to turn it back on but it just makes a clicking noise.

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  • vnarmi Apr 26, 2010

    The television is a Sansui Model # is DTV2798. We have the back off but we do not see anything wrong. It just clicks when it is on.

  • vnarmi Apr 26, 2010

    I took the back off the tv but I don't see anything wrong. It still makes the clicking noise, however there is still no sound or picture. The tv is a Sansui and the model # is DTV2798. Thanks.

  • vnarmi Apr 27, 2010

    We have a Sansui DTV2798 that went off while i was watching it. Now it just makes a clicking noise. There is no picture, just a black screen and no noise other than the clicking. As instructed by the previous expert, we took the back off and do not see anything wrong with the power supply board. Please help!

  • vnarmi Apr 27, 2010

    No. Nothing comes on. Just the clicking noise like it is trying to come on. The tv brand is a Sansui and the model # is DTV2798.

  • vnarmi Apr 27, 2010

    I continually list my tv information yet I can't seem to get any answers to the problem I have. I have a Sansui tv Model # DTV2798 that will not come on. It just makes a clicking noise. There is no picture, no volume...nothing! I have taken the back off as instructed by expert #1 and I have listed the information requested by expert #2. Please help.

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  • Master
  • 374 Answers

Sounds like the power supply burned out. Could have ben a electrical surge when you were watching TV.

Does any lights come on the TV when you have it plugged in???

whats the model number and brand??

Posted on Apr 27, 2010

  • Robert Dahmen
    Robert Dahmen Apr 27, 2010

    It is the power supply. There are several options we can go from here:

    Do you want to open the unit and try to see what part of the power supply is bad??? One of us can take you thru it.

    we can replace the power supply unit but we will need to find a part(for a decent price) and repair the whole thing.

    If you do not want to open it yourself a tech can come out and diagnose/repair it.

    Let me know and I can help further.


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  • Master
  • 8,619 Answers

Hi

Thanks for using FixYa. It seems to be a power supply issue, you'll need to open the back of the unit and check the power supply board. However, if you are looking for more information then please post back with manufacturers name and model no# of your TV.

Thanks
Rylee

Posted on Apr 26, 2010

  • gregory jacobs
    gregory jacobs Feb 14, 2011

    I have sansui HDLCD3200B red ligth on but falsh green back 2 red make a click sound like it want 2 come on

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  • Master
  • 12,061 Answers

This set has a "Classic" Switchmode Power Supply, protection fault. What "Gives it away" is the "Clicking" sound. The set has sensed a "Fault" of such a magnitude, that it must Shut Down, the set, to avoid a Fire, and Explosion, or Both. but you see with this symptom, it is impossible to tell what the exact "Cause" of this symptom is. The symptoms do not tell us what is wrong, sometimes it may indicate the "Area". We will just "say" in your case it is the X board. BUT, even then, thats NOT where the "Fault" "Is" thats just the part that is affected. These days unlike the "Old" analogue days it just isn't realistically possible to fix anything but the most basic of problems with todays sophisticated units. This is quite apart from the Safety aspect, any unit that can cause a firs or have an explosion, or both, is NOT to be treated lightly, and and the repairer, of the unit is legally responsible, another thing to think about. Also, one must have tools, a Multimeter, a soldering iron, a deslodering iron, an oscilloscope, a signal tracer, tools, and most important of all, a Service Manual, without which, there is no way to even begin to understand and fix it, and more importantly Program it, AFTER it has been fixed. As these days a TV, is a PC, a Tuner, and an HDTV Monitor, and more, all in one. in the "old" days TV"s were more, rudimentary, and built to last for 20 years, and a "Parts" supply was set aside. They usually used to fail for only a few reasons, and they while still difficult, were less difficult to repair. Electrical knowledge was transferable, and they could be and would respond to, This-is-the-symptom-This-us-the-Fix, But that no longer applies, as now, it can be a Fault on I squared Bus, or "Sensor" failure, or it simple may have "Crashed" just like a PC, It could be a Diode go bad, and that will stop the whole thing. You see, in the day, the sets were Very "Fault Tolerant" because they were Analouge, and a faulty, component, or more sometimes, the set would always diplay something usually, and when they didn't it was one of anly a few things, sure there are always the horrid ones, and there are pleanty of those, but all in all it was quite easy. But with Digital Electronics, it either goes, or it doesnt, there are usualy few half measures. I mean thats the definition of logic either going or not. So it can take very little to completely paralyse a set, and generally give the only sysmptom, it can, by not working, usually No picture, or the like. So you, see the list is endless almost for any given SYMPTOM, as that is what is being seen, not the cause, as I keep going on about. Also any fault, usually involves the Power Supply, it is either the cause, the cause of the damage, or it is damaged. or ALL of them. Then after you have done the electronic repairs, you then must program the set to work, and align, and set up in general, any one of those settings missed or done wrong, back to square one. So, it is nearly always my professional opinion that one should always get a "Quote" form the manufacturers recommended service center, you did not indicate that, but you need to contact a local office, and ask for a referral, to an authorised service center. I cannot stress how important that last point is. It is even worth the cost of shipping. You see an Authorised Service Agent, will have trained staff, trained on their/your brand, also they have first hand access to parts, original parts. This will, overall, in the end, actually save you money and ensure you can actually get it back fixed. Of course asking for a "Quote" also gives one the option of repair or replace. Often my clients, do not go through with repair, unless it is of moderate cost, but in some of the more costly jobs, they see it, as do I, that a new, replacement unit, with a warranty, is a better option. As an aside here, one could then tear the TV down, and sell the Known Good bits. You'd be surprised who needs parts, I myself often must by from third party sources to effect a repair. So money could be recouped, somewhat,and help out someone else.

Posted on Apr 27, 2010

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