Question about Samsung HCL4715W 47" Rear Projection Television

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Power Problems This set has been flawless for the 7 years I have had itm, but recently the power tends to cycle. The set shuts off and turns itself back on. Could this be something I could purchase to fix?

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Hello
No
You will need a tech. to repair this one.
Thanks Guy9

Posted on Jun 16, 2008

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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

I have had my television for 3 years and apparently the bulb is supposed to last 5 years but every year we have had to replace the bulb, So tell me where the problem would be, what a great...


I have a very good suggestion for you. If the set is working go into the customer menu and look for something called "quick start".

If this set has this feature it is default---means unless you change it that will be the way it is. It was a stupid idea----what happens is if it is there and engaged when you shut the set off the lamp will dim down about 60% but it and the fan will be one 7/24 which tends to shorten the lamp life.

Average lamp life should be at least 2,000 hours.

If you have the set off and turn it on and instantly get a picture, it is engaged----the "idea" was the customer would not have to wait for the set to slowly bring the lamp up to full brightness (about 15-20 seconds from start to finish).

If you turn the set on and get a normal bright picture in under 7 seconds your set has this feature.

The way this works if it is not engaged is when you shut the set off the lamp will turn off completely and the lamp fan will run for a few minutes until the temperature of the lamp drops below a specific level.

Not to mention vastly shortening the life of the lamp, it also is eating power 7/24.


Please let me know what you find and if you have any questions let me know by posting a "comment" here.


Regards, SD TECH


Aug 05, 2010 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

First convergence problems, not won't turn on


The problem is the Convergence circuit and the reason it does not power up is that one or two of the 5a pico fuses have opened when the Convergence IC failed. It is either going to be a pair of STK392-570's or a single IC STK393-110. That is as long as this set is a Mitsubishi made in the last 7 to 9 years.
I would estimate the cost to repair 280.00 plus service call fee if any, plus tax on parts.
Let the Tech check it out. If if it cost less than 400.00 to repair, it may well be worth taking the chance.

Jun 09, 2009 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

TV shuts itself off..red light blinks 7 times.


the only way is by bringing to a tech.i think there is no need fro self-fixing with problems like this.try tapping the tv several times then turn it on.

May 28, 2009 | Projection Televisions

1 Answer

My JVC AV-48WP30 picture is distorted vertically to about half the screen height. If I turn the tv on and off a few times, sometimes it will correct itself, until I turn it off again.


Try resoldering the vertical output IC that should correct the issue repeated off and on cycles often tend to bridge the solder connection causeing the set to work untill power is cut off.

May 15, 2008 | JVC Projection Televisions

1 Answer

Green screen for 30 seconds, then shuts down


yes you need a new picture tube, those tend to lose there power after a few years.

Mar 27, 2008 | GE D52GW12 52" Rear Projection HDTV-Ready...

1 Answer

No power all of a sudden


Check IC601, C603 for leakage, I601 and vertical pulse detector QN05

for poor convergence check RK42 for open circuit.

Jan 06, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

TV shuts off


I would suggest that you guys turn the unit off when this happens, unplug the unit for 30 seconds, plug it back in, and see if this helps. If this does not solve your problem, you should call 1-800-448-2244, so a service center in your local area can be found for further assistance.

Nov 08, 2007 | Projection Televisions

3 Answers

Power turns off automatically


happened with my 2002 42" model. they say the convergence circuit.

Mar 10, 2007 | Mitsubishi VS-60707 60" Rear Projection...

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