Question about Samsung HCL4715W 47" Rear Projection Television

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Samsung tv wont turn on or takes 30 minutes lots of clicking going on

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Bad capacitor inside power supply or main board

Posted on Jun 27, 2009

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When i turn my samsung tv on,it just clicks on and off,with the red light blinking on and off.it sounds like it wants to power up,but it wont.i have had left my tv on for about 7 hrs now and it just wont...


You likely have the infamous Samsung capacitor problem. A capacitor(s) on your power supply board has failed, or is failing. Youtube has several videos (search "samsing capacitor) that are generic to Samsung TVs, showing how to identify and replace the failed capacitors with parts that are readily available. What it takes, more than anything, is soldering skills. I own the exact same TV you have (P3F variant), and have fixed it. I'm an electrical engineer with the parts available in my basement, but for me, the fix took about 15 - 30 minutes with the most time removing the back cover, plus if you don't have the parts, a trip to an electrical parts store or Radio Shack, or an order to DigiKey (less than $10). Some have reported that haranguing Samsung customer service brought free fixes even though the warranty has expired. If all else fails, I'd be willing to repair your power supply board, but you'd have to mail it to me and I'm not sure how contact info is passed on Fixya.

Dec 27, 2010 | Samsung LN52A550 LCD TV

1 Answer

Tv takes 20 minutes to turn on, keep hearing a clicking sounc


Ur tv the Ballast board the help to turn on the tv projection bulb is dead.Try website like Tvrepairworld.com to buy the Ballast board for the replacement.The Samsung/Akai tvs use the same Ballast board.When in the website go to the menu that said Samsung/Akai circuit boards.Pick that option click on it,u will see a picture of a Ballast board look like.

May 31, 2010 | Samsung HCN4226W 42" Rear Projection...

1 Answer

The tv takes about 4 minutes to turn on


Power supply board is dead,have defictive capacitors. Replaced the power supply board will solved this problems.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Apr 24, 2010 | Samsung LE40R73BD 40 in. HD-Ready LCD...

1 Answer

Samsung TV now takes over 30min to come on


There are a number of Capacitors on the IP/Power supply bd and they have gone bad. Replaced them with the proper Capacitance as the old ones are BUT get the 35 volt Caps. Going from 10v to 35v will fix this problem.

Apr 14, 2010 | Samsung LN-T5271F 52 in. LCD Television

1 Answer

Tv takes forever to turn on sharp television LC-32SB23U


This problems very common with sharp tv.The Main Turner Signal board have problems.Keep using it,when it stop and completely dead 20-30 on-off no backlight show up and picture.U know ur Tuner board signal board is dead, have to replaced it.

Jan 06, 2010 | Sharp LC-32SB23U 32 in. LCD TV

3 Answers

Samsung tv wont turn on stand by button just keeps clicking


To all who are having power supply issues: Samsung is now acknowledging a problem with faulty capacitors. I called 1 800 726-7864 and they said they would repair certain out-of-warranty TVs if the problem is related to the capacitors. I just called and they are sending a service rep out to diagnose the problem

Jan 04, 2010 | Samsung LE40M91B 40 in. LCD TV

1 Answer

My sony has started turning itself off after 20-30 minutes, each time you turn it back on it will turn itself off after a shorter and shorter run time. Leave it over night and it will start the next day...


It might be over heating. If there is a lot of dust
inside of the back of the T.V. you should take it outside and blow it out with an air compressor.

good luck

Aug 06, 2009 | Sony KV-36XBR400 36" TV

1 Answer

Tv wont turn on


Mine was doing that then it quit even turning on too so I replaced the 4 Capacitors today on the power supply board that had bulged up on the top 3 had split open they where on the top right corner of the board where the ribbon jumps from the power board to the main board with ones from Jameco Part Number 606521 they worked perfect but make sure you put them in with the correct polarity easy to do just keep an eye on it. Very simple repair and took me about 30 min to take itapart solder on the new ones and put it back together all for under $10.

Jun 21, 2009 | Samsung LN-S4041D 40 in. LCD HDTV

1 Answer

46" samsung flat screen takes 30 to 50 minutes to turn on


Hello,This sounds like a capacitor malfunction. Check the capacitors on your power supply boards (there should be two of them one is the AC input board and the other is the main DC switching powersupply). I have seen this before and every time it has been a series of dried out and bloated capacitors, effecting voltage regulation.Check for bloated capacitors and replace them, then check the voltages at the test points to make sure they are within specifications.You will need a multimeter, and the schematic for this TV set.I hope this helpsThank you,Shuttle83http://www.electron-age-technologies-llc.com

May 19, 2009 | Samsung LN-S4692D 46 in. LCD HDTV

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