Hi ,
Here are some DIY steps that may 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 fail because of the power
surge, replacing with new one will cure the problem, If this is the case
I've 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 on 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 on the board, don't attempt to touch
anything because there somefatal components
stored electricity enough to hurt you with a simple mistake only.
The next steps should be done by an expert or qualified technician
because isolating the problem on the power supply is quite technical.
You can also look for availability of power supply at .ebay.com and shopjimmy.com if you want to replace the entire unit.
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.
Give a thumbs up if you find it useful.
Thanks for using fixya.
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