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Go Back   Blu-ray Forum > Displays > LCD TVs

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Old 12-06-2009, 05:01 AM   #1
jonesyg27 jonesyg27 is offline
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Jul 2009
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Default Samsung Power Supply Problem

This may be known to many but I don't remember seeing anyone mention it here. After just over 2 years, my Samsung LN-T4053H started clicking and turning on/off multiple times before finally turning on. I researched it and found lots of other people having this problem with their TVs (multiple models, it seems to be those made 2007 and earlier). See here and here and here. The problem is faulty capacitors on the power supply board. Samsung tried to deny the problem, but they finally acknowledged it (see the cnet forum linked above) but only offered to help 50 people. I tried to fix it myself but the solder wouldn't melt easily and I ended up destroying a contact on the board. I just ordered a new board for about $100 and it only takes a screwdriver to install. That's cheaper than a TV repair service but it's still a pain to have to repair a $1500 TV after only 2 years. If I had known I was buying a disposable TV I would have gotten another brand. At least now I have all the supplies to try and fix the replacement board when it fails, unless it has different capacitors. I'll know when it arrives.

I've bought 3 Samsungs of various sizes in the past 2 years and 2 of them have had problems (google 'robot audio' to learn about the other one). Now I'm just waiting for them to fail too. Suffice it to say I'll never buy another Samsung, I don't care how good the picture is. I could rent a TV for less if they only last 2 years.
Panasonic TC-P50ST50 Plasma
Denon AVR-1911; Oppo BDP-83
Fluance AVFR fronts, AVSC Center; Klipsch R-2650-W surrounds
Acoustic Audio HD-SUB10
Basement: Samsung LN-T4053H LCD
PS3; XBOX 360; Wii; NES
Denon AVR-1613; Bose Acoustimass 10 Series II
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Old 12-06-2009, 12:24 PM   #2
bfocussvt bfocussvt is offline
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Dec 2008
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Okay.
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Old 12-07-2009, 03:20 AM   #3
jonesyg27 jonesyg27 is offline
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Jul 2009
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Default

Quote:
Originally Posted by bfocussvt View Post
Okay.
Okay what? Thought it might be worth a mention that Samsungs seem to only last 1 to 2 years. If you're not a DIY'er, expect to pay $300+ to have it fixed. At least get an extended warranty, that's all I'm saying.
Panasonic TC-P50ST50 Plasma
Denon AVR-1911; Oppo BDP-83
Fluance AVFR fronts, AVSC Center; Klipsch R-2650-W surrounds
Acoustic Audio HD-SUB10
Basement: Samsung LN-T4053H LCD
PS3; XBOX 360; Wii; NES
Denon AVR-1613; Bose Acoustimass 10 Series II
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Old 12-07-2009, 09:20 PM   #4
Sammy Sammy is offline
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Jan 2009
Right next to Wineville, CA
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I have a 6 y.o. 32" LCD 720p that is still going strong. The one in my sig is over a year old with no problems either.
Samsung BD-P2500 (f/w ver 2.7 via USB)
Samsung LN-40A650
Denon AVR-889 7.1 [Retired: 1998 Sony STR-DE925 5.1 dts]
Cherry Polk Audio Monitor 50 Front, JBL Northridge 24II Surrounds & Rears
Cherry Polk Audio CS1 Center Channel
Cherry Polk Audio PSW10 Sub
Patriot Box Office Core HD media player; Technics SL-Q350 O.S. licorice pizza player
Denon ASD-3N media bridge; Sony SLV-M11HF VCR; Logitech Harmony 880
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Old 12-07-2009, 09:27 PM   #5
zaxx_1984 zaxx_1984 is offline
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Dec 2009
Aurora, IL
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I have had a 46" Samsung for over 2yrs and no problems to report as of yet
I always wondered why they were called roofies. Cause you're more likely to end up on the floor than the roof. They should call em floories. -Black Doug
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Old 12-08-2009, 02:40 AM   #6
jonesyg27 jonesyg27 is offline
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Jul 2009
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Until 2 weeks ago, I would have said the same thing. It's luck of the draw, really. Either you get the bad batch of capacitors or not. But after about 2,000 hours of use (more or less) the bad ones will fail. The model numbers hardest hit seem to be LN-Txxxx and LN-Sxxxx, and some others made around 2005-2007. I've seen complaints from all over the US, the UK, and Australia. It's not like I'm making stuff up, one more link. Until now I've been quite happy with my TV. This is just a real nuisance.
Panasonic TC-P50ST50 Plasma
Denon AVR-1911; Oppo BDP-83
Fluance AVFR fronts, AVSC Center; Klipsch R-2650-W surrounds
Acoustic Audio HD-SUB10
Basement: Samsung LN-T4053H LCD
PS3; XBOX 360; Wii; NES
Denon AVR-1613; Bose Acoustimass 10 Series II
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Old 12-08-2009, 07:45 PM   #7
CASteel CASteel is offline
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Dec 2009
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I feel your pain. I had a similar issue with my Sony. I use to work in a manufacturing plant and can tell you that some of the same bad parts go in all TV across the board.

The developing companies try and keep cost down. They give the specs to the manufacture and then the manufacture will procure all parts based on the specs. If price is an issue then the manufacture will find a part that meets specs at the price point set by the developing company. Believe it or not Sony, Samsung, Pionner, and so on don't make the parts in the TV. Many TV's have the same parts from electronic manufactures. They only design the units. There are some company specific parts but not many.

There will be bad TV's and electronic devices from all companies.
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