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Logic board How can I change the burn capacitors

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My 2009 Ford Focus ignition fuse 29 keeps blowing and now car won't start we changed ignition switch and it still won't start please help me?

This fuse powers the coils but also goes to the transformer capacitor. Trace the purple wire from the coils to find the capacitor. Disconnect the capacitor and test with an ohmmeter. The resistance should start at zero and climb to infinity. If not, replace the capacitor. If the capacitor is good, unplug all coils, put in a fresh fuse, and turn on the key. Check the fuse. If it burned, you have a short on the wire. If not, plug the coils back in one at a time, and check the fuse each time. If the fuse burns after plugging in a coil, replace that coil. Does this make sense?

Jul 23, 2017 | Ford Cars & Trucks

2 Answers

How can i repair str z2062 power supply of my hp m1005 mfp laser printer ?

First of all; it is DANGEROUS to fix a power supply if you don't know what you are doing. Thus; don't even think about to open power supply tower, if you are not qualified enough.

If you are a qualified person, you can go on with below steps by taking risk on your own.

You must discharge biggest capacitors in order to avoid any fatal electrical shock. Even it is disconnected from electricity plug, power supply may keep high voltage in it for long time. Once you discharge big capacitors; you may diassemble power supply tower. At your question you mentioned about burned power supply which makes it a little bit easier. (I assume you discharged big capacitors) Once you open psu tower; do visual inspection on each capacitor. If there is a burned area start with it. Remove blowed capacitors and replace them with same valued new capacitors. If you can't see the values on blowed capacitors; you need to find board diagram of your psu. Otherwise you can't find suitable one to replace. Besides; check form of other capacitors. If there is a change on any capacitor's form, replace them too. The best way to find out dead capacitors is using capacitor testers. If problem caused by another type item; its not easy to find it as finding bad capacitors.

Nov 19, 2014 | HP LaserJet M1005 MFP Printer

2 Answers

Refrigerator repair

how burned compressor looks like inside. opened it up.

Dec 11, 2013 | Everest Refrigeration Refrigerators

1 Answer

Sometimes after my screen goes to sleep mode, when I move the mouse to awaken it, the monitor gives me a high pitched noise and shows the image for a second, and then goes to black. I have to turn the...

Can't be sure before I see it, but sounds like capacitor(s) are burned out. If it is possible to open it ip, do it after you have removed all power sources. Burned out capacitors look something like this:
The smaller one in the picture is fine.
It doesnt have to be messy at all, but notice the bellying top.

If there is your problem, you have 2 choices...
1) You find somebody who is able to change capacitors and let him/her do it.
2) You buy new monitor or just use the old one.

Changing capacitors can be tricky at times and might be expensive.

Apr 10, 2011 | Samsung SyncMaster 932B LCD Monitor

1 Answer

Hi there, few days ago my HAIER 12,000 btu, ESA3125 died. it smell like burning wires. after i disconnect it from the wall and after putting my rubber gloves i open the case that holds the circuit and...

You should be able to take the information you have (on the capacitor) to Air Conditioning Supply House and purchase an exact replacement.

As to the diagram. There should be a schematic on the unit - somewhere. Usually located on an 'inside' panel.

Unless someone has removed it - the AC will have a schematic on it.

May 05, 2010 | Haier ESA3125 Wall/Window Air Conditioner

1 Answer

Weatherking 3 ton Run Capacitor

Could be; age,lightning,power surge,defective wire,loose wire,tight compressor. Capacitors fail sooner or later. They are like batteries they do not last for ever.

Aug 04, 2009 | Weather King Heating & Cooling

1 Answer

The capacitor 2508 is burned

i replace the burned capacitor with a 220pF/1KV and then it worked just fine

Jun 26, 2009 | Philips 14PT1356 14" TV

2 Answers

Magnavox 27" TV- Burned Capacitor

For a schematic diagram, contact Philips directly.

Oct 04, 2017 | Televison & Video

1 Answer


you must look around for the reson of this burning look for burnt resisttor--explosive capacitor-----short circuit capacitors----short of winding in pulse transformer-----circuit diagram will be helpful.

Aug 09, 2008 | Sony DAV-SC5 System

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