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Bad power supply on tv - Televison & Video

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Please respond to this same post with your model number and I will help you locate a power supply but need the model number of your set.

Posted on Aug 15, 2008

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Samsung LCD... Power supply, t-con or inverter?


Samsung LCD TV Repair - TV Won't Turn On - How to ...

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https://www.youtube.com/watch?v=n54IurMvr6o
Apr 4, 2014 - Uploaded by ShopJimmy.com
So in this video today we are going to be looking at a Samsung LCD and how to diagnose if you have a bad main or a bad power supply.

Samsung LCD TV Fixing Power Supply Problem - YouTube

? 10:52
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Samsung LCD TV Fixing Power Supply Problem. Studio G Vision .... How switch mode power supplies (SMPS) work - Duration: 19:22.

Samsung LCD TV Power Supply Repair, Capacitor Replace ...

? 25:23
https://www.youtube.com/watch?v=lL0id3-YZsQ
Feb 9, 2013 - Uploaded by HandySavesMoney
... LN46A630 LCD TV. This procedure will apply to several otherSamsung TVs. ... Samsung LCD TV Power Supply Repair, Capacitor Replace, LN46A630. HandySavesMoney .... Country: Worldwide; Restricted Mode: Off.


Jan 27, 2016 | Samsung Televison & Video

2 Answers

TV won't turn on.


Check its main power supply regulator section circuit for defective component/s. Contact any service technician.

Nov 15, 2013 | RCA L26W11 26 in. HD-Ready LCD Television

1 Answer

When I turn on my tv the screen is white and nothing else happens.


This is a common symptom of a power supply failure on the TLA-01911c. The board has parts called capacitors that filter the output power and when they go bad the power supply does not power up right. The unit can either have no power, just a flashing power light, just a white screen or it could take a long time to show a picture. Here is a link to a repair guide that shows what to replace on the power supply board to repair the unit.

http://www.ccl-la.com/blog/index.php/repairing-a-polaroid-fla-01911c-with-a-bad-power-supply/

I hope this helps you get your TV bad up and running,
BuddyMc

Jul 13, 2012 | Polaroid TLA-01911C TV

1 Answer

When i turn off tv it wont go back on for hours


The most likely issue is your power supply is failing. Most likely issue that would cause this problem is bad capacitors on the power supply.
What happens in the above situation is:
After the Tv has been off for some time the electronics and capacitors are cool and supply the correct voltage so the TV turns on.
After using the TV the electronics heat up and the material in the capacitors expands causing the power supply to supply incorrect voltage. With the TV the power is flowing and is close enough to the correct values for the TV to stay on, after being shut off the TV will not turn back on because correct voltage is not present until the components cool down and the voltage at power on no longer engages the protection circuit.

Info on checking and testing power supply's

Info on finding and repairing bad. Damaged, leaking or swollen capacitors

Jun 07, 2012 | Hisense LHDN32V66AUS 32 in. LCD TV

3 Answers

I have a panasonic TC-P42C1 blinks 10 times no picture no sound What is common to go on this model (which board)?


Check the tv power supply board.That the board where the tv power A/c plug into it.Check the tv power supply board carefully for dying components parts that are called capacitors parts.Bad or dying capacitors parts on the tv power supply board are alway causes this problems to the tv.Bad or dying capacitors parts are very easily to spots,all these capacitors parts are alway bulges up onto it tops.Never have plats round tops as they suppose too.U have all the tools and know basic electronic also can do basic soldering work,u should changes all these dying capacitors parts in the tv power supply board with no problems at all.If u check all over the tv power supply board and it have no dying and leaking capacitors parts to the tv power supply board all.Then the tv Y-Sustain main logic Tuner board it is the causes and the problems.The tv Y-Sustain main logic Tuner signal board that is the board that take in the tv imcomming tv broadcasting signal cable plug into it.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv power supply board and or the tv Y-Sustain main logic Tuner signal board for the replacement.

Nov 06, 2011 | Panasonic TCP42C1 Plasma TV

2 Answers

P65s1 wont power up no red light


Check the power sources.Tries tv unplug,replug it back like about an hour later for the tv to do a resetting itself back to the factory setting.The tv now could be working again.If not,the tv power supply board it is dead.That the board where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Jun 15, 2011 | Panasonic Viera TC-P65S1 65 in. HDTV...

1 Answer

NO POWER TO TV POWERSPEC TV MODEL V30DMBT TESTED POWER SOURCE AND TURNED POWER BUTTON OFF AND ON


The power supply circuit inside the tv may be bad. Normally a bad capacitor is the culprit. You may visually inspect the circuit (the first circuit connected to the power chord inside) for leaks or swollen capacitor. The entire power supply circuit may have gone bad. Test if there is power coming out of the circuit to verify.

Jun 08, 2010 | Televison & Video

1 Answer

Image quality problem


Check the power supply part no. matching. If there is adjustment potentiometer for the supply voltages try adjusting to the required level of the voltage.

Apr 30, 2010 | Panasonic Viera TH-50PZ85U Plasma TV

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