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Faulty Beko Television

Discussion in 'Electronic Repair' started by Lee Gathercole, Sep 23, 2003.

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  1. Hi,

    Not sure if this is the right group but here we go anyway. I've got a
    Beko 33" television. It died the other day and is making a funny
    crackling sound when trying to turn it on.

    I've taken the back off and checked the fuse. With the back off I
    tried to turn the television on and a blue flash came out of a large
    black component on the motherboard. Sorry I can't be any more
    descriptive than that but I have pictures if anyone can help.

    I was just hoping for some advice and an idea of how severe the
    problem is.

    Thanks
     
  2. john

    john Guest

    It died then you still tried to switch it on.
    That just causes more problems.
    Take the TV to a service shop..
    Oh !
    Dont forget to tell them what you did.

    kip
     
  3. Rid

    Rid Guest

    you have to have some electrical knowlege if you want to undertake your own
    tv repairs,you must realise that tv repairs are not like the days when you
    could poke about with a neon pencil, and changing bottles, first find out
    which chasis the tv has in it, get a circuit if you can read it, it will be
    obvious to what is wrong , if you have no understanding of reading circuits
    you could try the method of standing in a bucket of water whilst taking the
    lead that goes onto the back of the tube and placing it firmly between your
    teeth , this will give you a good indication of an efficient supply of
    EHT.<<<was a joke .... other than this method you might try replacing the
    flyback transformer which is the thing that the flash came from it is quite
    common to find this component to have failed, there will be a number on this
    part, you will also have to replace the line output transistor, which will
    have the prefix 2sd,xxxx this wil be fitted to a heatsink, a piece of metal,
    BTW, if you are in the uk , it might be ilegal for you to fit these parts
    unless you can prove you have some sort of qualification to do so , but I
    guess that if it's your own tv then that would be ok, I would add that you
    must be very careful if you don't know what you are doing as this is the
    most dangerours part of the set, after the primary power supply ,
     
  4. Jerry G.

    Jerry G. Guest

    You should take the set in for a proper estimate. To service these sets you
    will require the proper set-up, and training. They are not simple to
    service.

    --

    Greetings,

    Jerry Greenberg GLG Technologies GLG
    =========================================
    WebPage http://www.zoom-one.com
    Electronics http://www.zoom-one.com/electron.htm
    Instruments http://www.zoom-one.com/glgtech.htm
    =========================================


    Hi,

    Not sure if this is the right group but here we go anyway. I've got a
    Beko 33" television. It died the other day and is making a funny
    crackling sound when trying to turn it on.

    I've taken the back off and checked the fuse. With the back off I
    tried to turn the television on and a blue flash came out of a large
    black component on the motherboard. Sorry I can't be any more
    descriptive than that but I have pictures if anyone can help.

    I was just hoping for some advice and an idea of how severe the
    problem is.

    Thanks
     
  5. Clint Sharp

    Clint Sharp Guest

    Since when? AFAIK it isn't and has never been illegal for anyone to set
    themselves up as a television (or general electronics) repair company
    regardless of their qualifications or lack of. I, personally, have
    never been asked to prove my qualifications by anyone.
     
  6. aphrodite

    aphrodite Guest

    Well Clint you quite rightly state that no-on ever asked you for any proof
    of qualifications, the law is verry poor in this country on this matter
    until something goes wrong. (how sad it is that properly trained engineers
    are not deemed qualified over the twiddler) however ask this question, could
    you hand on heart expect to have anyone with no knowledge whatever fit a
    line output transformer when as you know EHT is involved,and high scan
    current, a poorly soldered joint could give rise to a problem of p.c.b
    burning, so what about the implications of shock and possible fire safety?
    for example if you repair an electrical device are you not duty bound to
    saftey test the unit before it is returned to use ? and in the event of a
    miss hap, which indivual would be responsible. Clearly the last person who
    serviced the unit. You may not be aware, but it is not beyond the situation
    where an individual who repairs an item, and the user looses his life, or
    premisis are damaged by fire could be liable and may face a term of
    imprisonment ( not the company he/she works for but the individual)

    The point is that whilst anyone as you correctly state can set up as
    anything they wish to, do you as a (i presume proffesional) feel it is ok
    for unskilled people to perform what might be dangerous tasks, either to
    themselves or others....
     
  7. Rid

    Rid Guest

    sorry sent on wrong news slot
     
  8. Rid

    Rid Guest

    KIP

    Kierman wigfalls ?


    I wonder


    can love be measured by the hours in a day?????

    if not forget me now


    rid
     
  9. Clint Sharp

    Clint Sharp Guest

    You want to kill yourself by bodging a job, feel free. Not my problem.
    You seem to have a problem telling the difference between unskilled and
    unqualified though, I have met and worked with many people of both
    flavours and would definitely not trust some of the most highly
    qualified to fix anything (or even change a light bulb in one case!),
    many of the unqualified people I have met have better skills than some
    of the ones who have studied for years, I don't know why this is.

    AFAIK it is still not illegal for anyone to fit any part to any
    appliance in the UK (Even gas heating systems, providing it's checked
    and certified by a CORGI engineer before it's connected or reconnected
    to the gas supply)
     
  10. aphrodite

    aphrodite Guest

    you make a fair point Clint, as you rightly say there is a world of
    difference between unskilled and unqualified .. your point that somthing has
    to be checked by someone qualfied must mean somthing ! and if people want
    to kill themselves thats fine with me, but if they kill somone else who's
    that to do with? But at least it raised debate thats good dont you think
    this wasnt meant to be a flame war, just that the guy seemed to so
    incompetent ...

    Rid
     
  11. Clint Sharp

    Clint Sharp Guest

    Yes, it means that fiddling around with gas appliances is inherently
    dangerous and the government has, rightly in my opinion, legislated that
    you have to be 'qualified' and registered to commission the appliance.

    A gas appliance can make a rather nasty and destructive explosion, it
    can also kill in a silent and insidious way (carbon monoxide poisoning)
    Generally, domestic electrical appliances don't explode with enough
    force to cause injury and the vast majority only kill by inducing a lack
    of exercise in normal use but I don't think you can legislate against
    that, although I'm sure someone will try and sue the broadcast companies
    for it sooner or later if they haven't already.
    The liability lies with the person who put the equipment in such a
    dangerous condition that someone got injured/lost their life. I agree
    that a mandatory qualification might stop some accidents but there are
    always people who tinker and the best way to stop accidents is to
    educate them and give them the knowledge they need to either do the job
    safely or realise they can't do the job.
    Debate is good, flame wars not good (didn't mean it to turn into one!)
    I agree and that should have been pointed out to him, if somebody else
    hadn't, I might well have.
     
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