Question about Projection Televisions

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Tv doesnt always come on straight away

When we switch the tv on sometimes it may come on straight away or sometimes it can take hours. The red light flashes for a while then it goes back to standby.

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Its an LG 44" screen rear projection television.

Posted on Feb 19, 2008

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  • 95 Answers

Need more input, what model, what brand, do it turn on if you hit the side.


What About Bob

Posted on Feb 19, 2008

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Toshiba DLP rear projection tv noise problem on turn on - model 62HMX85

If its a high pitched or fan like sound (but not a fan) it may be the color wheel going out.

Dec 10, 2012 | Projection Televisions

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Television will not respond to panel power switch or remote

This unfortunately has become a widespread problem with this series of Mits televisions. You can read a forem about it here: Flashing green light of death But there is hope, Mitsubishi has instituted a rebuilding program for the chassis inside of your television. Any authorized Mitsubishi repair center should know about how to get you set repaired. It's not cheap (expect $500-$600) and it takes a few weeks, but it will save your TV.

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I have a Sony kf-50we620, It started having problems this week. Sometimes, not always, I turn it on, the green light flashes and the TV will eventually start but it takes over 2 minutes to start. I will...

Its symptoms of weak lamp that need to be replaced.
How old is this TV and did you replaced its lamp recently?
lamp replacement is easy and would be written in user manual. Please buy Sony original lamp for TV safety.

Jan 15, 2010 | Sony Grand WEGA KF-50WE620 Television

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Hitachi 43UWX10B

you need the front panel PC board . You can get one most likely at the following link, just leave them an email and indicate your model number and what youre needing they will respond quickly.

Jun 18, 2008 | Hitachi 43UWX10B 43" Rear Projection...

2 Answers

Tv switches off on its own at different intervals [off timer is not switched on] another tv of same make & model [panasonic tx-32lmd70a] sometimes will not switch on - all i get is a flashing red light...

Wish I could be more of a help to your problem. I have found that, in the power supply area, sometimes a scr or switching transistor is heating up, or a cap feeding that section is breaking down. As for the blinking lights, that indicates the problem area by knowing the proper code sequence. You do need a service manuel to find those codes. ( One can be obtained on line for a cost by using your google search ( service manuels).
Good Luck, and I hope in some way I have helped
Cheers Back to you
Ed ( Radio Man )
NC Electronic
Mills, Wyoming

May 27, 2008 | Projection Televisions

1 Answer

TV fault

What is the model of your set? I can help you, but definitely need the model number

Feb 24, 2008 | Projection Televisions

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Rear projection tv picture problem

Sounds like a tuner or Video output problem. What make and model set do you have.

Jan 09, 2008 | Projection Televisions

1 Answer

Hitatchi tv

Most likely your "light engine" needs complete replacement and it is quite an installation...If not under warranty, usually Hitachi will NOT charge you for the light engine assembly (about as big as a bread box) for this particular V500 series because of all the failures they are aware of..However Hitachi will require a technician to do the installation and first verify that the light engine needs replacement...Hitachi will NOT pay for labor unless the tv is still under warranty. Labor varies. I know that for this 3 hour procedure or more, including calibration after replacement as necessary, I charge $400 or more..Above all pick a highly recommended technician.. Sorry for the bad news.. this happens alot to the V500 series. colors vary..sometimes red and sometimes blue ...this problem due to overheating. The replacement should be an improved assembly, sometimes rebuilt, sometimes new and both usually upgraded so this does not happen again. Do not attempt repairs on this yourself as it requires great expertise; and disassembly and reassembly of top portion of TV requires 2 people. And, on top of that, ever so often the lamp for this tv has to be replaced after a certain amount of hours of play (hopefully 2 years depending on hours of use) and just the lamp alone which you CAN replace yourself is $260 give or take more or less money. Always research any NEW TECHNOLOGY TV's thoroughly before you spend mucho bucks so you know what you might be in for. I try to avoid buying cutting edge technology myself as it's not fully tried and true and tested by any means. It cant be avoided if you want to buy the latest and the greatest motherboards for computers and once in a while I get burned like anybody else. But motherboards are usually only a couple hundred bucks, not thousands of dollars!

Aug 21, 2007 | Hitachi 60V500 60" Rear Projection...

1 Answer

My 60" lcd projection tv wont turn on sometimes and throws a lamp light, and if i watch tv for a while and turn it off it wont turn back on and throws the red lamp light

The buzzing sound you most likely hear is the ballast trying to fire up the lamp. I would say replace the lamp and yes they can act up at will. If this is the first lamp replacement ever then you are doing good.

Feb 01, 2007 | Hitachi 60V500 60" Rear Projection...

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