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Loud pop and turns off, grainy color

Continues to power up but will not stay on

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Replace the power supply board

Posted on Jan 21, 2013

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Posted on Jan 02, 2017

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1 Answer

Runco TV turned on made a loud pop and now will not stay turned on


Capacitors blew most likely. Take it to a repair shop or learn to open and replace the caps yourself. Could be a fun project.

Aug 18, 2014 | Televison & Video

1 Answer

Samsung LN-T4071F picture starts clear, then gets grainy as the TV stay on.


I have samsung TV 40 inches flat screen comes on the picture ok but within 10 minutes the picture goes black and white

Jan 20, 2013 | Samsung LN-T4061F 40 in. LCD HDTV

1 Answer

Samsung Big screen mod. HL-P6163W made load pop, then buzzing sound with screen going to black and white. Make buzzing sound and no picture when turned back on?


This set has a problem with the color wheel falling apart, which if one of the segments should fly off while the set was on it may sound like a loud pop, and the buzzing sound could be mechanical in nature with the wheel being off balance. If smoke appeared after the loud pop, then it could be a capacitor blowing in the power or video circuits. This model uses two different types of Color Wheel assemblies, either an L3 or a L6 and it would be listed on a white label on the Light Engines metal frame. Hope your solution is this easy.
Bill

Mar 08, 2011 | Samsung HL-P6163W 61" TV

1 Answer

Samsung DLP TV repair or replace that is the question!


Color wheel sounds like it needs replacement. The set will often shut down when the color wheel gets bad and wont power up.

Jul 10, 2010 | Samsung HLN5065W 50" Rear Projection...

1 Answer

Burned out lamp?


First. Turn on the set and see if the Lamp Illuminates, If so then you have a bad Color Wheel. If the Lamp does not light up, you have a bad lamp.
Take out the lamp and look to the center of the lamp. If you see broken glass inside you have a bad lamp.

Apr 08, 2010 | Samsung HLR6178W 61" HDTV

1 Answer

It pops and shuts off when I first turn it on. It finally stays on with sound and grey screen which changes colors. then the picture finally comes in about 20 minutes later


NEVER operate a set after it makes a loud pop. Only high voltage discharges can make such a sound. It is DANGEROUS to operate a set under those conditions. The chassis could be electrified or it could start a fire. Contact a qualified service technician.

Jan 09, 2010 | Westinghouse LTV-27w6 27 in. LCD HDTV

1 Answer

LG Plasma 42pc3d turns on, pops, then turns off


The first thing you should look into is the Z-SUS board, the one situated on the right side viewed from the rear. This board develops a high voltage during operation that might be the source of the popping sound. It is also responsible in refreshing the panel for proper picture display. The weird colors on your TV indicates a faulty Z-SUS board.
Note: Unplug the TV and wait for at least five minutes in order to allow the voltages to drain before you disconnect or reconnect any connector.

  • Disconnect the Z-SUS board from the Y-SUS board. The Z-SUS board is situated on the right side viewed from the rear of the TV while the Y-SUS is on the left.
  • Plug the TV back and turn it on.
  • You will still be able to see the weird colors the moment the TV shut off but do not flash. If it does not pop and stays on and there's a sound, you are pretty sure the Z-SUS board is faulty. Replace it.
  • If it still pops and shuts off, disconnect the Y-SUS board from the power supply. The Y-SUS board also develops a high voltage during operation. The power supply is the one right between the Z and Y-SUS boards.
  • Re-apply AC power then turn the TV on.
  • You'll not be able to see any color or video. If it does not pop and stays on with sound, you have a faulty Y-SUS board, replace it.
  • If it still pops and shuts off, please let me know.
Feel free to update me of the result and your own findings.

Dec 03, 2009 | LG 42PC3D 42 in. Plasma Television

1 Answer

I own a Samsung HL-R5067W 50'' DLP. Set is about 3 years old. Recently I heard a loud pop while viewing, picture distorted, but never went blank. I turned set off. When turned on again a loud whining noise...


Check your color wheel. There is a DIY guide for replacing the color wheel. Mine did the same thing yours is and my color wheel was all busted up. Unfortunately after replacing the color wheel my set continues to do the same thing, but this could mean I need to replace the ballast as well.

Sep 20, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

Bizzare problem with the color


Sounds like something may be wrong with your cable line might need to have it checked.

Aug 19, 2009 | Sony KV-32FS13 TV

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