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Bad video how would we identify this part, and is it worth replacing?

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Usually its more to replace than to just get a new TV, I had one replace about 2 years ago, and it cost me short of 50 bucks of what I paid for the set.

Posted on Aug 30, 2008

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Computer will not turn on how to fix it


I do not have experience with the Acer Aspire 5600U, so I will write about such problems in general. A desktop computer that will not turn on usually has a bad power supply, assuming you've checked the power outlet, power cord to the computer, and the fuse in the power supply. Many computers and monitors built a few years ago have electrolytic capacitors in the power supply that go bad. You can identify a bad capacitor visually. It either leaks or the top of the capacitor is no longer flat but bulges. Desktop computers with bad power supplies commonly have two bad electrolytic capacitors that bulge on top. To fix the problem, you have to be comfortable unsoldering the bad part(s) and soldering in the replacement(s). You also have to be able to identify the specifications of the part(s) you need to replace. A Google search on replacing bad capacitors will give you lots of information, including a number of good YouTube videos. Alternatively, you can buy a replacement power supply.

Apr 03, 2014 | Acer Aspire 5600U all-in-one desktop

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Iv accidently replaced polarity while installing my car dvd..i replaced the positive with the ground....after that i smelled somthing from the dvd.....how can i fix that.....


With difficulty, you need electronic knowledge, a circuit diagram and you need identify the faulty components and then purchase these electronic components.
In most cases, this type of damage is not worth fixing, most likely the cost of repairs would not be justfied. I suggest you put your money towards a new DVD player.

Jan 05, 2012 | Car Audio & Video

1 Answer

I have a JBL home theater system that is about 8 years old. The sub woofer is independently powered with an ac line and now intermittently has static/white noise that comes and goes without any apparent...


Its probably electrical interference. You are better off replacing it, or borrowing a friends sub and hooking it up. Just to make sure it's not your reciever or any wiring.

Mar 14, 2011 | Audio Players & Recorders

1 Answer

On half the screen the colors are faded. when a video is watched on the faded half the colors are really bad


Often problems with LCD monitors can be traced to bad capacitors. The following sites will help you identify if your monitor has bad capacitors, and how to replace them.

www.fixyourmonitor.com and http://www.youtube.com/watch?v=9Q6_TgNJvQw

Good Luck!

May 26, 2010 | ViewSonic VP230mb 23.1" LCD Monitor

1 Answer

Kenwood amplifier 5.1 sound keeps droping out . Pro logic stop working then other sound modes stop working after a while i.e. stereo, Hall etc...


You have a component (probably a transistor) that is overheating, or possibly a capacitor going bad. The circuit board will have to be troubleshot, and the bad component identified. Fortunately, heat problems can be figured out by buying some Freeze Spray (Freon), and when the unit acts up, you spray suspected components, slowly...until it works again. This will identify which component you need to replace by unsoldering, etc. I would start in the power supply area, if you can identify it...chances are that's where your problem is. Good luck, hope this helps.

Apr 27, 2010 | Kenwood KRF-V5060D Receiver

1 Answer

Optiquest q9b-2 blank white screen (lights up when powered up) no video ??no problem with computer, video fine on another monitor, tried this monitor on several computers same problem, blank white...


Often problems with LCD monitors can be traced to bad capacitors. The following sites will help you identify if your monitor has bad capacitors, and how to replace them.

www.fixyourmonitor.com and http://www.youtube.com/watch?v=9Q6_TgNJvQw

Good Luck!

Feb 06, 2010 | ViewSonic Optiquest Q19wb LCD Monitor

1 Answer

Heads destroyed... is it necessary to change controller board ?


Part 1: No (to my knowledge)
Part 2: Test equipment to do that test would be expensive to have for one fix.
Part 3: If you can identify the controller board as being bad, then yes. If you can't identify, then why change it?

After all is said and done, is it worth fixing? I fixed a printer for my office, it took a long time to find the replacement parts, but I got a $600 printer for about $140 in parts and labor... so in this case, it was worth it. Good luck.

Mar 06, 2009 | Canon PIXMA MP750 All-In-One InkJet...

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JVC 27"


Repaiur or replacement? It's Your call! If you know Solid State repairs, then worth a try. Most likely a bad Electrolytic capacitor in the Vertical Oscillator / Output section. Do not waste time identifying faulty one, but change all at one go. Even if one is faulty, the others must have started drying up, and will cause problems in the future.Remember "An Ounce of prevention is better than......"

Oct 01, 2006 | JVC AV-27D303 27" TV

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