Hi samuelcheren,
Here are some basic steps that
will help you fixing the problem.
I'm assuming that your unit is
dead set without an standby LED light and your outlet is live.1.Power cord - check the cord it might be opened (no
continuity).This is due to frequent bending,pulling. 2. Power switch - check for dry joints, open contact. 3.Check the internal fuse-
sometimes the fuse failed because of power
surge, replacing with same current(ampere) rating will cure the problem, If this is the case I
would advice you to use surge protector/AVR (Automatic Voltage Regulator).
However, if the fuse blew again this is an indication that you have a shorted parts in the power supply, you may visit the
link http://www.fixya.com/support/r8053361-fuse_keeps_blowing for more info. If no reaction and
still the unit didn't power up then you have an open parts on the power supply.
4.If you
see that the fuse is intact , don't attempt to touch anything
because there some fatal components
stored electricity enough to hurt you with a simple mistake only. I would
advice you to look for a
professional to troubleshoot
the power supply.
You may also click this LINK.
Another option is to replaced the entire power supply board yourself, this is more convenient if you are going to DIY because no soldering required. Click this LINK for the replacement or obtain it from your local service center.
Also check if your unit is under
warranty before opening the back panel, it will void the warranty. Avail it because
the manufacturer of your unit will fix it for free or a little charge only.
Hope I helped you.
Have a nice day!
Thanks for using fixya.
Jdvillanueva
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