Question about Westinghouse LTV-32w1 32 in. HD-Ready LCD Television

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Tv problem westinghouse LCD tv LTV-32 w3 hd won,t turn on plug in led flash one then go away,wait to 5 minutes then press power button led on again and lid.i unable to turn it on or off again??? help

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Your problem is in HOT, Horizontal output transistor is defected already ,this is high voltage transistor , if no high voltage there no picture ,but supply is there because light is flashing ,the supply voltage is trap ,when this voltage go to horizontal section your tv is automatically shut off because defected HOT,,you change this transistor ,so performance will better again ..find a tv repairman to do the works in changing the transistor and little reheating works.
This is better in order to avoid high voltage shock,this not cost much....

Posted on Jun 26, 2008

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  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 26, 2008
  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 26, 2008

    Normal Power supply (PSU) fault finding techniques:
    Start with , Any power from secondary of chopper transformer, at the diodes)
    usual PSU voltages are 5v,3.3v 12v (the 12v feeds the CCF tubes power generators)
    If yes the psu ok, If no check for 320v across mains smoothing capacitor
    If 320v ok but no output, check for shorts on the output lines (schottly diodes)
    If the PSU is running and there are any leds glowing on the front
    check to see it the flurecent tubes (on each side) are glowing
    they usually have their own supply generators powered by 12v from PSU

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 26, 2008

    If PSU is ok the see for Display Panel faults:
    Vertical (source) faults are usually within the actual panel (Lines/Bands down Picture)
    Horzontal (gate) faults are usually within the actual panel (Bands/Lines across the screen)
    All faults that are within the panel aren't repairable (I know specialist repairs are possible , But the COST)
    there is a firm calle D'lec why not ask them for a price



    Permanant Missing or Lit spots are often found , and are normal (most screens have a few)

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It appears that the power supply is starting to fail on your LCD. Many failures like this one are due to bulge or leaky capacitors that overtime become defective.

Posted on Jun 26, 2008

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hi;
if it has a warranty return you led TV, all store has a 7 days return policy.
you led TV has a defective parts inside. may be it comes from power supply or from led driver
circuit.

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1. Try this - hold the menu button down for 10 seconds. TV should power up; you will have to turn off front panel buttons on menu.

2. You can also try a hard reset: Unplug TV from AC mains and remove all cables from TV. Wait about 30 minutes and replug to AC power and redo the cabling. Switch on the TV and see if it works..

3. Powering down the set or putting it in standby may have allowed the power supply to cool. Weak capacitors often go out of spec when they cool, thus preventing a section of the power supply from firing up properly again. There is a simple trick...just warm the back of the TV with a hair dryer for 5-7 mins after you have unplugged the TV. Look for the little areas of holes in the back panel of TV. Use these as your guide at where to use the hairdryer, but don't hold the dryer too close (say 5-6inches away). (Make sure the dryer is on High heat). If the TV doesn't turn on after you have heated it up (like it tries to come on but then turns off) you need to unplug the TV again, this resets it. And repeat those steps till it works. Resetting the TV after it fails to turn on is the key.

Try these first and let me know how it goes..

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Tv turn on now,have no power LED light indication at all or LED power light indication is flashing now?Yes,than the tv power supply board it is the causes and the problems.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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Parts: http://www.shopjimmy.com/catalogsearch/result/?q=westinghouse+LTV-32W1
http://s807.photobucket.com/albums/yy352/budm/LTV-32W3HD/
http://s807.photobucket.com/albums/yy352/budm/Westinghouse%20LTV-32W1/

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