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Do-It-Yourself (DIY) Question & Answer Forum
AC/DC power supply with 19.5V 7.9A issue
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 540075" data-attributes="member: 250"><p>Welcome to the forum..</p><p>I admire your eagerness to try and fix this yourself to save waste etc..</p><p></p><p>But from the information you have given its almost impossible to guess the cause.... </p><p>It could be numerous possibilities...</p><p>Damaged input lead...</p><p>Failed component(s)..</p><p>Failed joint on PCB..</p><p>Failed output lead...</p><p>etc..</p><p></p><p>If you could get hold of manufactures data sheets/component lists/wiring diagrams.. etc... etc..</p><p>And you have access to some suitable test equipment..</p><p></p><p>You may stand a chance of sussing out a probable cause....</p><p>that you may then be able to evaluate if its worth trying to repair...</p><p></p><p>But as you say you have limited electrical knowledge....</p><p>Although you can solder..</p><p>You really do need a comprehensive understanding of identifying various components..</p><p>and the ability to read what their products numbers/values are...</p><p></p><p>If it was me...</p><p>I would probably just start googling an equivalent power supply..?</p><p>Buy it, and save time and hassle..</p><p>Unless you actually do PSU repairs as your day-job and have the kit readily available..</p><p></p><p>Do you have any computer repair shops locally to you..</p><p>advertising PC, Laptop, MacBook repairs upgrades etc..</p><p>(We've probably got 3 or 4 within 2 or 3 miles.. ) </p><p></p><p>It could be worth asking locally if any will repair your PSU..</p><p>Or do they have an equivalent new or refurbished item you could buy?</p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 540075, member: 250"] Welcome to the forum.. I admire your eagerness to try and fix this yourself to save waste etc.. But from the information you have given its almost impossible to guess the cause.... It could be numerous possibilities... Damaged input lead... Failed component(s).. Failed joint on PCB.. Failed output lead... etc.. If you could get hold of manufactures data sheets/component lists/wiring diagrams.. etc... etc.. And you have access to some suitable test equipment.. You may stand a chance of sussing out a probable cause.... that you may then be able to evaluate if its worth trying to repair... But as you say you have limited electrical knowledge.... Although you can solder.. You really do need a comprehensive understanding of identifying various components.. and the ability to read what their products numbers/values are... If it was me... I would probably just start googling an equivalent power supply..? Buy it, and save time and hassle.. Unless you actually do PSU repairs as your day-job and have the kit readily available.. Do you have any computer repair shops locally to you.. advertising PC, Laptop, MacBook repairs upgrades etc.. (We've probably got 3 or 4 within 2 or 3 miles.. ) It could be worth asking locally if any will repair your PSU.. Or do they have an equivalent new or refurbished item you could buy? [/QUOTE]
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AC/DC power supply with 19.5V 7.9A issue
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