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Samsung power on off problem

When I turn my samsung 4665f lcd on it turns itself off 2 times before comes on with a picture

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The power supply is probably getting weak and ready to fail. Having a qualified technician repair it now would probably be less expensive than waiting until it fails completely.

Posted on Sep 09, 2009

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Posted on Jan 02, 2017

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My Samsung 46 inch LN550j1fxza LCD TV turns on and plays sometime but then shuts back off with no sound, black screen and won't come back on until it's off for a while. thank you


Samsung 46" LCD TV (LNT4665F) turns off and on over again - Forums ...

www.cnet.com > Forums > Samsung

CNETJun 11, 2015 - About 3-4 months ago, my TV would start turning off and on a few times at startup ... Samsung 46" LCD TV (LNT4665F) turns off and on over again ...chirp would sound and then it would power off and the cycle would continue. ... After 5-10 minutes of this without being able to shut it off completely, I pulled out the power cord. Samsung UN55B8500 - turns off by itself! - Forums - CNET
Nov 16, 2011
Samsung LN46A650 green/pink static picture and power resets ...
Jul 27, 2010
More results from www.cnet.com

How to fix clicking samsung tv (wont turn on) - Instructables

www.instructables.com/.../How-to-fix-clicking-samsung-tv-...

Instructablesif your looking at this then you probably have a samsung tv thats broken. This instructable is for how to fix one of the most common faults in samsung LCD tvs. .....its fine and never goes off until it is shut off but will not turn on immediately . ... The issue with my LN46A650A1F just started happening last weekend (12/7/2014).

SAMSUNG TV REPAIR- TURNS OFF RANDOMLY - YouTube

? 9:24
https://www.youtube.com/watch?v=7Rj22VNhKXg
Jun 25, 2012 - Uploaded by Tampatec
EASY HOW TO FIX SAMSUNG TV- TURNS OFF RANDOMLY Clicking ON AND OFF Repairing Samsung LCD No power problem LN ... LCD No power problem LN MODEL LN46B500 - buy the cap kit for your tv model ...

Jan 05, 2016 | Samsung Televison & Video

1 Answer

My Samsung LN-T2653H is having problems with power


Possible bad(bulged) capacitors on power supply board, and possible bad main board, too.

Apr 18, 2010 | Samsung LN-T2653H 26 in. LCD HDTV

1 Answer

Samsung LNT-4665F won't power up properly


There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
You can get parts for your TV here:
http://www.shopjimmy.com/catalogsearch/result/?q=LN-T4665F+

Dec 09, 2009 | Samsung LN-T4665F 46 in. LCD Television

1 Answer

Tv tries to come on but just clicks and clicks. seems to be powering it self on and off. Samsung LNT 4665F. Red standby light blinks on and off with clicking sounds. Blue Power on light tries to...


There are 3 capacitors in power supply board, all 1000uF10v.
2 for 5vdc and 1 for 12vdc. replace with best quality 1000uF 25V cap.
do it yourself repair will save you $300

Oct 18, 2009 | Samsung LN-T4665F 46 in. LCD Television

1 Answer

Samsung LNT-4665F takes several minutes to turn on


This could be the power supply problem, or the main board. You need technician to fine out what is going on.

Aug 16, 2009 | Samsung LN-T3253H 32 in. LCD Television

1 Answer

4665 samsung has sound but no picture


Try a hard restart, which simply means unplugging the power cord of the TV, and replugging it after 4 hours have passed. This technique reprograms the electronics, to a certain extent.

Jul 28, 2009 | Samsung LN-T4665F 46 in. LCD Television

1 Answer

Automatically turns off


I have the same problem and had a samsung technician come to the house. It was the Power Board and the main board. He gave me an estimate to fix and it was $529. I'm trashing the TV. Samsung sucks.

May 17, 2009 | Samsung LN-S4041D 40 in. LCD HDTV

1 Answer

Samsung LCD tv - Turns on and off by itself.


Since you have another TV with the same problem you can try using an antenna(indoor model ok) to see if the cable is causing the problem. If not return TV before the warranty expires.

Mar 03, 2009 | Samsung LN46A850 LCD TV

7 Answers

Have same tv and same problem samsung lnt4665f


We have the same problem with our 46" Samsung LCD Tv LNT-4665F. It's only 2 years old and unfortunately it's out of warranty too. Our tv would not power on and just does this clicking sound. We called to get it serviced and we will need to pay $95 to have somebody comeout and diagnose the problem or we bring it to the shop and pay $50 to diagnose the problem. we've never had any problem with our SONY TVs. we regret buying Samsung!

Jun 08, 2008 | Samsung LN-T4665F 46 in. LCD Television

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