Question about Samsung LN32A330 32 in. LCD TV

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Red power light on, but no sound or picture, just a black screen. What can I look for and or do to fix. Also, what is cost factor. Possible lightening in the area may be at fault.

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HI...
Replace the main power supply

Posted on Oct 04, 2010

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How do I fix a flat screen tv that when turned on the screen is black with no picture?


place a turned on torch against the tv screen while tv on can you see a picture ? If yes then back light problem possibly inverter that powers the back light.
You tubesearch on tv faults for more insight on possible causes of black screen or no screen on Tv's

if no picture with torch then it might be main board .
Check you tube for ideas on possible causes.

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When the TV is plugged in the screen is black,little red power light bottom right corner blink 5x then you hear the sound of power on pause then power off. This continues to repeat and no picture.


Repairing Flat Screen TV - Blacked out with blinking red light

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Repairing Flat Screen TV - Blacked out with blinking red light ...Capacitors are little cylinders with a flat top with an X. If they have failed the X .... picture, no sound, totally black just the red power light blinking on the corner ... hello i have a dynex dx-lcd42-09 the red light blinks as soon as i plug it in i opened ...Missing: 5x

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1 Answer

Have a RCA flatscreen model # L40FHD41, blue power light comes on and stays solid but I don't get any picture or sound. Screen stays completely black as if it doesn't have any power at all.


Other than checking all the connections going to it for signal it is likely a shop repair.

The nature of these sets is someone must open and inspect them and check for voltages missing.

At that point it becomes a guessing game---try the boards (purchase them) and see if a bad board.

It is always possible the front screen unit or display has failed which is fatal cost wise.

You have to weigh the cost of repair, age of set and cost of replacement in this.

The only way anyone can KNOW which board is bad is to actually remove and replace it----most shops look at it and shoot you a high estimate.

let me know if you have questions.

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Spetroniq 42"lcd screens black no picture no


Sounds like maybe power supply, but I would check with flashlight 2 in from screen when the green light comes on to see if you have a picture, if so then you have a bad inverter board, if not then power supply problems. You can look for bad or bulged caps in PS

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1 Answer

Plasma Hyundai 42'' TV ,NO SOUND OR PICTURE


most times then not it's the capacitors on your power board that blew there for not supplying the tv with enough power if you open it up and check the capacitors it should be leaking some kind of liquid or the tops have bubbled up. its an easy fix cost>>2 dollars each

May 21, 2009 | Televison & Video

1 Answer

No Picture & No sound. Red LED, Green LED, Red LED.


If the power supply outputs are good! Then I would say the back light inverter is bad! If the screen stays black and does not come on.

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1 Answer

Sony kv35s66: No picture, just sound and red blinking


This should be a quick fix. Try resoldering the vertical IC. This is a small flat IC attached to a heat sink with about 11 pins. It should be marked LA7837 or something similar. That should resolve the problem.

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Sep 08, 2008 | Televison & Video

2 Answers

NO PICTURE, RED LIGHT ONLY FLASHES.


The red led would flash about 1 to 9 times, then stop's about 5 sec and restart.
There is nurmerous problem that may cause your ctv not to function, first commond porblem is power supply, second is defflection circuitry Vertical and horizontal, second is a bad solder connection very rarely, bad cap's is a factor or voltage regulator. You would have to get the schematic first to even try to think about troubleshooting. Lot's of technician or fedup with hight price for info's, all info should be free if compagny's like sony want's to help. There web site well it speak's for itself, not enough tech support. You can't call, there no one there or won't answer.
If you need the schematic I don't know how but maybe I can send you a link. First I would check for short circutry to see if you can solve it.

Regards

What about Bob
Timmins, Ontario

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1 Answer

WEGA KF50WE610 50 no red color


Hello ml707,

This could be a problem with the red video driver circuitry or the signal processor. The $1000.00 price range is rather steep, I say this because you can buy one of these sets for $1400.00 used from:
http://www.amazon.com/gp/offer-listing/B0000E3DQE/ref=dp_olp_2/104-4293379-3459139

It is possible (the $1000.00 repair price) depending on if the lens is at fault along with other factors, Take into mind this is an LCD projection TV and the lens in this case is to focus the picture from the LCD screen onto the projection screen

I hope this helps,

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1 Answer

Black screen


Plasmas don't use lamps. Could be many things probably need a pro

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