Hi, This is an indication of out-of-regulation in the power supply section. This is cause by leaky/dried electrolytic capacitor in
that section. It will dropped the supply from normal voltage and
will disable the unit.It needs a little warm-up to make itself stable but the
symptom will get worst until the unit will not even power up. Sometimes it has a bulged/dome at the top but not all, it is better
that you have a capacitor
checker/tester to determine
its condition. Your unit will back to normal again if the leaky/dried capacitor is
isolated. If you don't have necessary tools
and test instruments, and can't do the job yourself, I would advice you to
look for a professional to troubleshoot the problem. Don't
attempt to work in the power supply if you don't know the safety precaution of handling it, there some stored
electricity enough to hurt you with a little mistake only. Also check if your unit is under warranty /extended warranty,
avail it because the manufacturer of your unit will fix it for free. Don't open
the back panel, this will void the warranty. Hope I helped you. Have a nice day! Thanks for using Fixya.
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