Question about Philips 42PFL5332D 42 in. LCD Television

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How can I identify the power supply on TV and where can I buy it?

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Trace to the Power Suppy via the AC cord hookup. There is currently a power supply on shopjimmy.com. Just match the picture, especially the plugs, and the number of the board. You can also call shopjimmy for assistance in getting the right part. Type in the search field with the model number.

Posted on May 21, 2011

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How to repair the power supply board of the LG M2277WDP TV


I don't have a specific answer, but suggest the following: look for electrolytic caps (small cans) that have leaked or bulged. This is the most common failure due to heat. Replace all you can identify.

Jan 03, 2016 | LG Televison & Video

1 Answer

Why wont tv turn on today worked fine yesterday? powers up but shuts right back off.


This is a general answer to your question:
Your TV is shutting down because it is consuming too much current from the internal power supply. The power supply has a protection cct
to protect your TV from further damage. If yo have any technical background, then you can follow these simple steps to troubleshoot your TV fault with the aid of a schematic diagram. Let us revise what you need for your job:
1- You need a schematic diagram for your TV model
2- You must be very careful when dealing with powered equippments
3- You need to prepare all the required tools to start your test and repair
4- You must be very confident that you are able to do the job using scientific steps. We all have done many mistakes but at the end we became experts in our fields. Please remember the fault is hidden somewhere and you are going to dig it out.

Let me start now:
-Disconnect any device connected to your TV
-Plug your TV to the Main
-Power on your TV, If the fault is still persisting then check the timer setting of your remote control or take the batteries out. Restart your TV again and if the same problem appear then we need to start our repair now. I personally advice you not to do any think if you don't know what you are doing, but if you want to learn, then do the followings without powering your TV.
- Disconnect your TV cable from the main
- Place and secure your TV on a clean wooden bench.
- Remove the back cover carefully
- look at the boards and identify which is which and compare it with the technical diagram of your TV.
- Identify the power supply section. Remember that 50 % of the TV faults are within the power supply and the rest lies in different area. Furthermore, many faults occurs due to bad soldering, sparks,loose connecters, metallic debris, excessive heat and bad ventilation.

Now if you have identified the power supply board(SMPS) which is very easy to find, disconnect the output jack and test each of the male and female jack pins with the ground. Use an AVO meter (put the selector to ohms) to check for any short cct with the ground. Remembr that there are some pins connect to the ground in both jacks. If you find any thing abnormal then compare your findings with the diagram. Alternatively, you can power your TV and measure the voltages at the output pins of the power supply and compare your readings with the service manual, but please be very careful. Again remember that switch mode power supplies (SMPS)
can work with a range of voltages 90VAC-240VAC, so if you have a step-down transformer from 220VAC to 110VAC, then it would be great and more safe when conducting your tests. In this test we can isolate the fault if it is in the power supply or in a different place. Also remember that your AVO (DC voltage) readings would appear higher than normal because we have isolated the load.

If the power supply was perfect then we are sure now that the problem is somewhere else, but in certain and limited cases some SMPS cannot provide the required power to the load due to internal changes and shifts in the values of the components in the loads and the power supply. In this case you need more experience to identify the source of the problem.

We have now finished from the power supply, however in the old TVs there is another power supply source which is the line transformer. This one is very simple and I am going to discuss that later.














Aug 15, 2014 | Televison & Video

1 Answer

My LG42Lh3000 tv just stays on stand bye and won't turn on I have tried looking for leaks or cracks on components and can't seem to found anything a miss any other tips please


I would check for any shorted or open components on the power supply. You may prefer to just buy a replacement power supply board. That model could use 2 different boards. You can identify which one you need by looking on the barcode sticker of yours. It should have a partial part number 57681301 (EAY57681301) or 57681305 (EAY57681305) on the barcode sticker. Below is a link to a common vendor I use for replacement boards.

www.tristatemodule.com

Nov 04, 2013 | Televison & Video

1 Answer

Small picture


Usually if the picture of the television is small the problem is the power supply.The power supply have low output voltage.Theres a deffective filter capacitor,so it is need replace.If you have no knowledge to identify the leak capacitor in using tester.You can identify the leak capacitor through visual checking.Try to look the power supply of your TV.If you can see the good capcitor,the top part is flated shape,while the leak capacitor is round shape at the top parts.Replace the leak capacitor.

Aug 18, 2011 | Televison & Video

1 Answer

No, LED is not lit or blinking when I press Power. I am very sure that there is power in the outlet. How can I get circuit diagram/schematics so I can identify the right part and number. Also where would...


Hello,

Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.


Hope this will help in solving the problem....

Nov 29, 2010 | Sony KP-53V85 53" Rear Projection...

1 Answer

When I use the remote to turn the television on, nothing happens.


This problems happen to all LCD and Plasma tvs.In to 1 or 2 maybe 3 to 4 years old in used.The power supply board have these componnents parts call the capacitors,it will started to bulges up on it top,or puff up on it top.These capacitors are leaking gases and it dead.The tv will not power up and the LED power lite indicator start continuous flashing LED light.U know basic electronic's and soldering?Take the tv aparts where the power cord plug into it that ur power supply board.Searches all around the power supply board and it supporting boards,replaced all those dead gas leakage capacitors.Ur tv will power up normal again and work.Or Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

May 24, 2010 | Panasonic TH-42PD50U 42 in. Plasma EDTV

2 Answers

My protron will not turn on and no lights will come on. I have it plugged in and the switch is on in the back but no lights come on and it dosnt respond to commands


Ur tv power supply board is dead.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.

May 16, 2010 | Protron PLTV-37 37 in. LCD Television

2 Answers

The red standby light is flashing and i cant turn the tv on


Ur power supply board is dead.U know basic electronic's and soldering?Most of the times,the power suppply board just have dead leakages gases capacitors.These capacitors alway bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get ur tv power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole rerfurbish power supply board for the replacement.

May 07, 2010 | LG 42LC2D 42 in. LCD HDTV

1 Answer

I have a Samsung LNS3251D 32-Inch LCD HDTV , that after two years of use is going Off/On every ten seconds after the initial turn On. I understand from reading this forum that the Samsung 40 inch LCD has a...


In almost all cases where the set is taking a long time to turn on and then turning off it will be the Power Supply board that will have bulging capacitors, usually three to five. Look on the upper right side of the Power Supply and look for any blown caps. You can replace these caps and you will be fine. Now the other cause can be the Power Switch is shorting out. You can disconnect the the Power Switch but not the IR sensor and then turn ON the set with your TV remote and see if this stops the problem. If you are not skilled in component level repair on the Power Supply board then buy a new Power Supply board and install it.

Apr 15, 2010 | Samsung LN-S3251D 32 in. LCD HDTV

1 Answer

TV repair person told me my Toshiba 50HP16 Main Power Supply Circuit Board is bad as well as a secondart board. How do I identify these boards and get part numbers? Its too expensive to have the repair...


Even if you buy the parts you may get sticker shock!!! Why did it need a power supply and another board. Will your set come on? I may be able to give you part numbers but you need to be specific about which other board you think you need such as X Y signal board or power supply Some single circuit boards for some sets are as high as 600 bucks hope not for you

Sep 19, 2008 | Televison & Video

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