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RCA LED55G55R120Q It powers on but no display. Did the flashlight test and can see the menu. While having the back panel off looking at it I noticed the back light flashed every so often. What part needs to be replaced?

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  • RCA Master
  • 10,627 Answers

Make sure input or source correct then check picture setting

Posted on Dec 18, 2019


6 Suggested Answers


6ya staff

  • 2 Answers


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Posted on Jan 02, 2017


Jose Zetino

  • 149 Answers


in this case you may have problem with light engine or power supply this is a job for experienced tech for more info e-mail me or call 520-248-4242

Posted on Apr 03, 2008


  • 69 Answers

SOURCE: "Light Dry" light flashes 5 times & odd light displayed

maytag website...all the help youll need

Posted on Sep 20, 2009


  • 381 Answers

SOURCE: the power light comes on but no picture. i've done

inverters. check power supply for bubbled caps first

Posted on Dec 20, 2009

Louis Ebert

  • 732 Answers

SOURCE: display is blank...power light flashes at around 1

djreynolds, maybe go look for some clues at YOUTUBE and search for videos that are longer than 6 minutes and use search term "LCD monitor disassembly" and "LCD monitor repair" may turn up something!! Also find a very DULL butter knife to prevent visit to emergency entrance of local hospital when "PARTING" the rear plastic cover from the front bezel. Use extreme caution to prevent damage to LCD PANEL. 12fixlouie

Posted on Jan 05, 2010

John Dube

  • 131 Answers

SOURCE: I have an RCA DLP M50WH72S tv. Powers up, picture

Hello; I am John at J D Electronics in Poland Maine. I have had an RCA model M50WH72S setting dead in my shop for over a year now and is now mine. The set would start intermittently and run for an hour and die. Other times it would not start at all and the LED would flash 5 or 6 times and stop. With no support from Thomson/ RCA, I was on my own. The extended warranty Co said to try the light engine first. I replaced the light engine with no improvement, just the led flashing. I was not going to pay 500 to 700 dollars for other boards to try to fix this piece of JUNK.I have since read several blogs that point to power supply caps as being the problem. I took this piece of junk apart for the last time before I hauled it to the dump. I pulled out the power supply on the left as you face the back of set. I noticed 2 Electrolytic caps had " domed shaped tops ,which is a good sign of failure or overheating. They are 1000 ufd @ 35Volts 105 degree rating. They were both bad along with 2 more on the same board ! They are labeled CP624 and CP647 on the bottom edge of the board inside the "c" shaped heat sink. The other two are above the chopper transformer labeled CP641 @ CP639. replacing these fixed the set. Call DigiKey 800-344-4539 part # 493-1588 are ten for $7.00. Don't spend money on a lamp you don't need.

Posted on Jan 10, 2010

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Your manual doesn't mention it, so no you can't. RCA are inexpensive basic sets.

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Did you do the flashlight test to see if the TV image is present and you have a burned on back light display?

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A led55g55r102q RCA tv that wont turn on and the power light on the front does not light up

The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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Hi Anonymous,
It looks to be a case of failed backlights.

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My HDTV has gone out.

Fault to its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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either the backlight power board or the power board itself isn't powering up the backlight power board

or your backlights are burnt... this is where testing comes in

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Sound no picture

Its a common problem for this model.
1. Is there any flash of light from the backlights (best viewed from the back of the TV with the back removed)?

2. Have you tried shining a flashlight on the screen to see if a display is present when power up?

There are three possible failures.

1. A failure in the main board.

2. A failure in the LCD panel / Tcon

3. A failure in the inverter / backlight system. This could be as simple as a blown fuse.

Thos three failures would mean it needs to be RCA

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Does the backllght go out after a few seconds? Could still be a lamp or something else on the inverter boards. You could try used inverter boards from the same set with other problems (broken screen), Or a complete working backlight from another set but very delicate operation to swap the LCD display from one panel to another.

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