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LG 52SX4D turns off randomly.

I have an LG 52SX4D-UB projection TV. It shuts off randomly. Sometimes every 5-10 minutes, sometimes it takes a few hours. When it shuts off by itself the screen goes black and then the light which is the second from the top of the vertical light display blinks red approx 10 times.

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My Lg 52"tv turn off and on

Posted on Aug 15, 2009

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6ya6ya

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Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

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Good luck!

Posted on Jan 02, 2017

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1 Answer

Recently we replaced the bulb in our LG 52SX4D-UB. Once the bulb was installed we reset the hours for bulb according to the instructions that we reviewed on-line. Once the power button is pushed on the...


Tv goes off and on.It have alots of clicking noise sounds too?Yes.The board that call the Ballast board it is also dead too.The Ballast board only job it is to help to ignite the tv projection lamp.Tries websites like Partstore.com,Ebay.com to buy the Ballast board for the replacement.

Apr 03, 2011 | LG 52SX4D 52" HDTV

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My LG projection tv (serial number 52sx4d-ub) won't turn on, an orange light flashes then turns red. How do I know if I need to change the bulb or the ballast? And how much does it cost to change the...


Orange blinking light under a small picture of a light bulb? Then turns to a red light?
Sounds like the same problem I had when I picked up my LG 52SZ8R. After replacing the lamp the TV ran fine.

Easiest way to see if the lamp is the problem is to take it out, and look at the peice of wire in the globe as you would an old light globe.

If you need help, download the following manual, and look at page 9.
http://www.jordansmanuals.com/ServiceManuals/LG/TV/PROJECTION/62SX4R/62SX4R%20Service%20Manual.pdf

If it does come down to you needing to replace the ballast contact: http://www.statewideapp.com.au/index.php?selectedContent=1188381775
They should be able to give you a quote and part number, if you don't like their quote you can always use the part number to search for one thats cheaper.

Mar 07, 2011 | LG 52SX4D 52" HDTV

1 Answer

I can hear the sound but i can only see the picture in Video mode and PIP mode..... LG model # 52sx4d-ub


dcooper1288,

You have a bad mainboard.

They are available at http://www.encompass.com and are not that difficult to replace. This is a common problem with the LG units and don't be surprised if it takes a while to get a board.

Thanks for using FixYa and for the generous rating.

hardrocko

Sep 27, 2010 | LG 52SX4D 52" HDTV

1 Answer

Model # 52sx4d lg randomly shuts down, intervals between time has decreased recently, now wont power up at all


Hello,
Well I just joined regarding a differant problem with my LG and seen this one.
I had basically the same problem with mine where it was randomly shutting off but would turn on by itself right after.
What the problem with mine was, was a solder joint on the power supply. Tech found 2 bad solder joints, repaired them and works great. This happened about 2 years ago. Hope that helps

Aug 16, 2010 | LG 52SX4D 52" HDTV

1 Answer

Tv Turns on then stops after a few minutes


This set uses a lamp and a bad lamp will cause this symptom. You should be able to get the lamp out yourself and get a part # off it.

Mar 30, 2009 | LG 52SX4D 52" HDTV

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How to reset after replacing bulb


mute on remote+ok on tv panel at the same time

Jan 24, 2009 | LG RU-52SZ30 52" Rear Projection...

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Lg RU-52sz30 rear projection tv does not go on


I have an lg dlp projection tv Model # 52sx4d-ub.I replaced the bulb,everything correctly,but no picture. LG says I have to have a tech come out to reset? Can you help.

Jan 23, 2009 | LG RU-52SZ30 52" Rear Projection...

1 Answer

HELP


I had the same issue. Replaced the lamp and now mine is working. Normally this is a sign that the bulb is out, however - I would say now that either:
1. Your lamp is defective.  2. The balast in your TV is defective. 
I would check out Discount-Merchant.com - they can help.

May 18, 2008 | LG 52SX4D 52" HDTV

5 Answers

Lg 52sx4d problem


If the red light scrolls through, you need to replace the bulb. I replaced the my own bulb, and when I tried to turn on the tv the light kept scrolling. What was wrong? I DIDNT FULLY REASSEMBLE THE TV AFTER REPLACING THE BULB.

Make sure that all the screws are put back in and it will probably work if you have replaced the bulb.

May 14, 2008 | LG 52SX4D 52" HDTV

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