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La32e420 has sound and backlight but no picture

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Check and replace its T'Con board. Contact any service technician. Gopakumar Gopalan Google

Posted on May 18, 2014

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How do you fix a Samsung 55" Television with no picture but good sound?

The symptoms you described would indicate the backlights are not working.

The 2 main reasons are the backlight inverter board has gone or the backlights have blown!

Since you have replaced the inverter board with a new working one then this would point towards the LED backlights.

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I have sound but no picture. The picture can be seen by shining a torch(Flashlight) on it. What needs replacing please?

The backlight has failed. If it is an LCD television, likely the fluorescent backlight or the ballast has failed. If it is an LED television, the backlight driver has failed.

May 16, 2015 | Televison & Video

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When the tv set is put on, no picture shows but the sound is ok

Check If there is a backlight?
With Backlight, With sound....Main Board
No Backlight, With Sound.....Power supply (24V) or Inverter Board (Capacitor)....

Oct 27, 2013 | Toshiba Televison & Video

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I have sound but no picture.

Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board will get ur picture back.It a long board in shape.Tries websites, to buy a refurbish LCD inverter backlight board for the replacement.

Mar 17, 2010 | Sansui HDLCD3210 32 in. LCD TV

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Picture come on for about 2-3 minute, then goes out has sound no picture, red light come on near power button

Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board to get the picture back.Tries, to buy a refurbish LCD inverter backlight board for the replacement.

Mar 03, 2010 | Philips 60PL9200D Projection Televisions

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No picture

If we first establish if the tv has actually come on and out of standby. If this is the case, gently press on the lcd with your finger..Is there any backlight showing ? Is there any sound on the TV? If there is sound and no picture and no backlight your problem will be the invertor. If there is no sound, no backlight, the fault most probably is the power supply board, and could be a fuse or capacitors going 'dry' with bulging tops. If there is backlight and sound, the problem will most likely be main pcb or the Tcon pcb (mounted on the LCD rear top middle).

Feb 13, 2010 | Samsung LE22A457 22 in. LCD TV

1 Answer

I have sound but no picture??

vague discription , but can help here, is the backlight lit?
if not
shine flashlight on screen and see if any picture is actually there,m if there is a picture there with no backlight, could be a power issue or bad panel (screen).
if no picture but has backlight, may be Tcon board or signal board

Jul 27, 2009 | Samsung LE37B550A5 37 in. HD-Ready LCD TV

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