After return of a power outage, my R227 was rendered"dead", presumably because of voltage spike. Is there a fuse in the interior which might be open?

The control board may have gotten wiped out by a recovery power surge.

First check your circuit breakers. Also,If you are capable, open the TV and check the fuse inside. The power outage and the sudden spike in power might have tripped the breaker or blown the fuse. Good luck!

If you have any electronics experience you should check the diodes or the bridge rectifier in the power circuit. Look for burned components or bulged capacitors.!!!Always unplug the unit and wait a few minutes before attempting any procedure!! I have found that capacitors usually fail due to voltage spikes which can happen when power is reinstated after an outage. Always use surge protectors on electronic devices. They have a component called an MOV that will absorb voltage spikes and save your equipment.

Your home may have suffered an electrical power surge, check the end of the electrical cord, there you may find a built in surge suppressor with two buttons, depress the reset button. If one does not exist, then you must access the interior power supply and search for a low voltage electrical fuse. Inspect and replace if burned.

Could be bad capacitors or fuse. Fuse is inside under a plastic cover as I recall. Caps on power supply board all go bad sooner or later, so replace them all ($5). Look for bulging tops especially, and the green ones are the worst. Power spike could have caused poor quality caps to fail. Don't want to fix it, sell it to me.

Voltage spike likely blew across the dielectric of several electrolytic capacitors. The internal fuse may or may not have survived. If it did not- replace it once and see if it is as simple as that, although you are likely looking something more.

If you want to try to salvage it, recap all electrolytics and tantalums. with new high ripple current types for the electrolytics.

Flashing is caused by bad capacitors Caps on power supply board all go bad sooner or later, so replace them all ($5). Look for bulging tops especially, and the green ones are the worst. Power spike could have caused poor quality caps to fail. Don't want to fix it, sell it to me.

I am assuming you weren't plugged into a surge protector when you lost power. During power outages, spikes in voltage occur, so what happens is there's no mechanism to interrupt that spike by grounding, which surge protectors are designed to do. Any laptop/computer components cannot handle this voltage spike as they are delicate to certain voltage tolerances. I hate to say it, but your laptop is toast.

After a power surge or a power outage that resulted in a surge, voltage spike or transient there is almost always going to be damage to electronic circuitry somewhere in the household, especially to electronics using highly sensitive cmos computer chips, especially when additional surge protection hasn't been provided.

These days such computer chips are found in just about every tv, radio, washing machine, fridge, microwave oven - in fact in a modern household there is hardly any appliance or device that doesn't contain such electronics. A surge or spike in the supply often damages circuitry but doesn't immediately render it useless but weakens the components so early failure is likely but not so soon the power surge is fresh in the memory...

There might be an internal fuse that has failed or the fault might be more serious but only removing covers and checking the circuit with a multimeter will reveal the fault.

after a power outage, normally as power comes back in, it's a little bit high than normal.

with a dead set that you got, it would probably be the control transformer. the primary could have been burn by a spike voltage.( sudden rise in voltage above normal).

or im sure it has a fuse. check first the fuse. if the fuse is ok, then it would be the transformer.

tnx 4 using fixya,

Drcool