thecrow09
Registered
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- Dec 9, 2016
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- 86
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Share ko lang po mga ka Co-Tech...
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problem no power, adaptor light off when plugging...
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checking all power section mga ka tech, no 19 volts come out..check mosfet, caps with multimeter continuity to the ground...
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1 cap found positive leg shorted to ground, near to dc jack..
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remove this cap, again testing continuity to the ground, shorted gone..try to check 19 volts on 1st mosfet present on source, gate & drain pin, presented..but no 19 volts in 2nd mosfet drain pin...
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try to inject 19 volts from dc regulate power supply on drain pin (2nd mosfet) no shorted indication..jumper from removed cap to mosfet drain, as you can see....
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plugging charger, lights come out..
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pressing power button, asus logo appear...
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problem solved....
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Maraming Salamat po!!! sana po ay may matutunan kayo...hit thanks na lng po..
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problem no power, adaptor light off when plugging...
<blockquote class="imgur-embed-pub" lang="en" data-id="a/6kEDQWB"><a href="//imgur.com/6kEDQWB"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
checking all power section mga ka tech, no 19 volts come out..check mosfet, caps with multimeter continuity to the ground...
<blockquote class="imgur-embed-pub" lang="en" data-id="a/bFRisvC"><a href="//imgur.com/bFRisvC"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
1 cap found positive leg shorted to ground, near to dc jack..
<blockquote class="imgur-embed-pub" lang="en" data-id="a/KTpbXjm"><a href="//imgur.com/KTpbXjm"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
<blockquote class="imgur-embed-pub" lang="en" data-id="a/Fhf6EiX"><a href="//imgur.com/Fhf6EiX"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
remove this cap, again testing continuity to the ground, shorted gone..try to check 19 volts on 1st mosfet present on source, gate & drain pin, presented..but no 19 volts in 2nd mosfet drain pin...
<blockquote class="imgur-embed-pub" lang="en" data-id="a/JStwKlE"><a href="//imgur.com/JStwKlE"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
try to inject 19 volts from dc regulate power supply on drain pin (2nd mosfet) no shorted indication..jumper from removed cap to mosfet drain, as you can see....
<blockquote class="imgur-embed-pub" lang="en" data-id="a/lC4tv3N"><a href="//imgur.com/lC4tv3N"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
plugging charger, lights come out..
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pressing power button, asus logo appear...
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problem solved....
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Maraming Salamat po!!! sana po ay may matutunan kayo...hit thanks na lng po..
