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My lcd tv made a loud glass breaking noise and then no picture

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Sounds like the inner tube cheaper to go get another tv

Posted on Nov 02, 2008


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Last night our TV made a loud popping noise then the picture went out. We still have sound but have trouble turning the TV off. What could this be and is it fixable? Thanks, Anne Marie Orcutt

Question shows it is Vizio L32 lcd tv and symptom shows back light inverter board for defective for some reason and loud noise would be popping of any chip on inverter board. has replacement boards of that model on reasonable price and local tv repairman will replace defective board after checking/ testing the tv.
Hope these info will help.

May 11, 2011 | Vizio L32 32 in. LCD HDTV

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Sanyo model DP42848 pic comes on for a sec then goes off made noise when first turned on a couple days before it went out

If there is problem with an inverter or a back light, the lights will come on for about 2 seconds and then shut off.
The Sanyo DP42484 television has a problem with poor quality back lights. I had one that had three bad back lights. I replaced them and it fixed the problem. The TV now comes on and stays on.
Replacing the back lights is a very tricky problem. You have to completely disassemble the entire TV to expose the back lights. The hardest part is removing the LCD glass without damaging the very delicate ribbon cables that connect it to the rest of the TV or cracking the glass.
You then have to reassemble the television, except without the LCD glass. You can then power up the TV and see which back light are not illuminating.
The back lights are 950 mm long and 3.3 mm wide. There are 12 of them. The ends are coated in a silver paint for conductivity. They are held by metal U-shaped sockets at either end. In the middle of the length of the fluorescent tube is a C-shaped plastic support to hold up the center of the long tubes. This plastic is very brittle and breaks easily. Try to slide the tube to the side thru the plastic support. If you try to spread the support wider and pull the tube foreward, the C-shaped plastic support will break.
I searched for an exact replacement, but I was not successful. The closed I could get was 950 mm long and 3.0 mm wide with wire ends. I purchased these from for $25 each. Part number CC30950. I bent the wire ends back and soldered them to the metal sockets. When the 3 bad lights were replaced the Television came on and stayed on.

Nov 20, 2010 | Sanyo DP42848 LCD TV

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The problem with this set, is defective YSUS board, to avoid future same problem, you must change the following boards: YSUS, ZSUS & Control.
Verify with LG if your serial Number is included within
lots production that were recalled by this design defect

May 28, 2010 | LG 42PJ350 42 in. TV

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If you have lost your freeview channels & your picture has been breaking up (pixelating / freezing) etc as well as crackle on the audio, then I would suspect you check your antenna, it could be your incoming signal is weak which would give you these problems.

Aug 13, 2009 | LG 37LH55 37 in. LCD TV

1 Answer

Tv plays sound but no picture or any signs of backlight

This sound is a capcitor pop and this could be in the power supply unit itself. The glass could be a fuse that took the brunt from the capcitor pop.

1. Unplug the unit and do not plug it in.
2. if its under warrenty take it in please!
3. if its not under warrenty and you know eletronics verify what cap popped and replace that and the fuse.
4. if you do not know about eletronics this work would cost you around $150 for the wrok done.

Good luck I hope this information helps you!!

Jul 17, 2009 | Vizio L32 32 in. LCD HDTV

2 Answers

Blown picture and BUZZING?!?

could have been the ballast shorting out which could have destroyed the lamp.

Apr 05, 2008 | Samsung HLR5667W 56" Rear Projection HDTV

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My LT37HVS was purchased in 2006 and the LCD light engine "blew" with a loud noise and only displays super dim picture-in-picture component feeds.

Need service for a quote. HELP!

Nov 17, 2007 | Hitachi 65S500 65" HDTV-Ready Rear...

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