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Tech Head - The Technology Section
The Work Bench and Soldering Station
Manhattan Rx with a dead Power Supply
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<blockquote data-quote="HB13DISH" data-source="post: 483900" data-attributes="member: 262829"><p>Hello FTAaddict,</p><p></p><p>Recently I had a problem with my Nokia 9800S receiver and I also suspected the power supply and ended up replacing an electrolytic capacitor with an alternate and the box was alive again.</p><p>And it was a 400V 47uF, just like what you are suspecting.</p><p>See this thread </p><p><a href="http://www.satellites.co.uk/satellite/digital-systems/110919-nokia-9800s-problem.html" target="_blank">http://www.satellites.co.uk/satellite/digital-systems/110919-nokia-9800s-problem.html</a></p><p></p><p>I don't think that you will need a capacitance meter. Just order a capacitor with the same ratings (105C) and same lead spacing.</p><p>Look for incriminating signs like leakage of electrolyte and if any component looks brownish in colour or if they look like they are about to explode.</p><p>It would be easier for you since you have two power supplies and it is easier to compare between the good one and the faulty one.</p><p>The problem might be something else, but the capacitors are the prime suspects.</p><p>You will need a soldering iron and a piece of solder, if you can find them from last time. <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p><p>Good luck</p></blockquote><p></p>
[QUOTE="HB13DISH, post: 483900, member: 262829"] Hello FTAaddict, Recently I had a problem with my Nokia 9800S receiver and I also suspected the power supply and ended up replacing an electrolytic capacitor with an alternate and the box was alive again. And it was a 400V 47uF, just like what you are suspecting. See this thread [url]http://www.satellites.co.uk/satellite/digital-systems/110919-nokia-9800s-problem.html[/url] I don't think that you will need a capacitance meter. Just order a capacitor with the same ratings (105C) and same lead spacing. Look for incriminating signs like leakage of electrolyte and if any component looks brownish in colour or if they look like they are about to explode. It would be easier for you since you have two power supplies and it is easier to compare between the good one and the faulty one. The problem might be something else, but the capacitors are the prime suspects. You will need a soldering iron and a piece of solder, if you can find them from last time. :) Good luck [/QUOTE]
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Manhattan Rx with a dead Power Supply
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