Question about Mintek DTV-323 32 in. LCD TV/DVD Combo

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The power board burned out don't know where to get replacement board

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Check this website to find the power supply for your LCD or you can replace the defective capacitors C120, C112, C113, C119, C118, C117, C115 and C114 if your LCD has the following symptoms:
No powering ON
Slow powering ON
Back lights ON, No video

Let me know if you require further assistance.

Posted on Sep 28, 2009

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1 Answer

My 42" samsung plasma sparked after a lightning strike near by. I know for a fact the power board is no good. How do I test the other components?


Without any power; how can? Just replace the power board, and then check further. If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/

May 06, 2016 | Samsung Televison & Video

1 Answer

CS4228A burns after replacment


Hi

Martynas Z

CS4228A on DSP board can be overdriven on the inputs

CS4228A on DSP board can have shorted loads on the output


Check also the board (might be burnt also)

Here is block diagram for you:


9_29_2012_3_36_36_am.jpg



Check components around it thoroughly.


Let us know how you make it out.

Sep 28, 2012 | Marantz SR-5200 Receiver

1 Answer

My 50" ps50b451b2w Samsung has just had a new main


Clicking sounds like a bad power board. There are small relays on power boards that would make a clicking noise.

I don't know why a main board would have been replaced for that, as I don't know of any main boards with relays or anything that would cause a clicking noise on them.

Sep 15, 2012 | Televison & Video

1 Answer

I have a philips plasma tv # 42pf7220a/37 has no pic. have replaced the power supply board with new one,still has red lite flashing 7 times. Have checked all capacitors and any thing that looked...


Good day!!!!


Blinks 7 times of your unit indicated bad power supply board but since you said that your power supply was now new then kindly try to reconnect all the connectors inside your tv before proceed to the advance process. May I ask if you know how to use a multimeter and soldering?...

Just add a comment for our next movement....I will do my best to help you...Thank you...

Jan 07, 2012 | Philips Televison & Video

1 Answer

Heater blower goes on an smells like gas and doesn't light


The ignitor is not working. I don't know what kind of ignition your heater has but it is either a thermal ignitor or a spark ignitor. In either case the problem could be in the ignitor or the board that supplies the power to the ignotor.

First of all, be careful while looking into the system when the gas comes on because it could unexpectedly ignite and burn you.

If your unit contains an ignitor it should glow brightly when the gas starts. If it is glowing then it is probably not glowing brightly enough or not in the right place and therefore needs to be either replaced or repositioned. If it is not glowing then you should measure the voltage using a volt/ohm meter going to the ignitor. If it reads about 115 then the ignitor is broken and needs to be replaced. If it reads much lower voltage then the board that supplies power to it probably has a problem on it. It may be a defective relay, bad solder joint or some other problem. I would first re-solder the relay connections to the board and see if that fixes it. Otherwise the board will need to be replaced.

If the unit has a spark ignitor and you hear a spark sound it may be too low power or the spark probe might be in the wrong place and therefore not delivering the spark to the fuel air mixture. If you don't hear the spark then you may have a bad relay or bad solder joint to it.

Please let me know how this works out. Thank you.

Sep 03, 2011 | Hayward Gas Swimming Pool Heater 100k Btu...

1 Answer

No display on temp controls and both frig and freezers are warm. i don't here the motor running at all. this happened after we had a power flash do to weather.


your main board in the back of the unit is bad and needs replacing,if you recently replaced a burned out light bulb in the freezer and now they strobe rapidly this is another good sign its this board the new board is a G.E. # WR55X10942

Aug 22, 2011 | GE PFS22SBSSS Stainless Steel French Door...

1 Answer

Relay for compressor on controller circuit board arced and came off the circuit board. Is this a common problem or does this sound like the compressor is locked up?


Don't know what unit you have, but it sounds like a faulty circ. bd. Have you had the circ. bd replaced already and it keeps burning out? If so, you may have a compressor problem.

Apr 13, 2011 | Heating & Cooling

1 Answer

Matsui m32lw509 turns on and just flash's blue red and green.


Power supply board it dead,must replaced power supply.Tries Shopjimmy.com,Ebay.com to buy the refurbish power supply board.Know how to solders can tries to replaced capacitors that puff up or bust open might get power back.But because somethings else might also burn have no experience find out what that is, best have the whole board replaced.

Feb 03, 2010 | Televison & Video

3 Answers

Need info on component 3071 on power supply board - burned up.


Its been a while since i worked on that power board. But I believe you are refering to the orange diode that runs into the single connector for the video board next to the power supply. I replaced mine with a 1n914 diode after replacing the 2200uf lytic cap and the tv fired right up.
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Jul 23, 2009 | Philips Televison & Video

1 Answer

Power supply not working


Hello my friend, if one of your power supply's part is burned, your power supply won't work else if its work i has a short time to operate and it will be burned the whole board of your supply. Mainly the reason of burning your supply are the following: 1. The Electric supply  from the source is to high or above the limitation of your Power supply. 2. Your power supply is over capacity. 3. You're power supply board develop a liquid moisture inside that is why it shorted and eventually the board is burned.  4. The load of your power supply is overload due to some device you attach that is beyond to the limit of your power supply's wattage capacity.
Note: try to see the wattage or voltage or the capacity of your power supply can supply the electricity within your computer system. To ensure that it does not exceed the limit of your power supply's limitation.  I therefore reccomend that to avoid burning the entire power supply board from short circuit, it is recommended to replace your power supply to avoid incidents may arise.
Hope this advice helps your problem. If you need more assistance just reply to this post.  If this solution or recommendation is able to solve or help your problem then please rate it.  Thanks

Jun 25, 2009 | Office Equipment & Supplies

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