My Sony receiver is 3 years old. During a nasty thunderstorm, the power zapped out (I didn't have a surge protection power strip) and ithasn't returned. However, when I plug it in, I can still hear that usual, subtle click, so something is going on. Is this a reasonable fix or should I invest in a new one? Thanks.
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Re: Loss of Power
Without a professional inspection no one can tell you if it is an easy fix or not. It could be as simple as an internal fuse blew or as costly as damaged circuitry. It would be worth a phone call to a repair center, $75 is around what they charge to tell you what the problem is.
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Power surges, such as those caused during lightning storms, can often cause power supplies in electronics to fail. Sometimes, if you're lucky, the manufacturer will have placed a protection fuse in the power supply which can be replaced after a surge. If there is no such fuse, the power supply typically will need to be replaced for the equipment to regain function.
It is VERY IMPORTANT to use SURGE PROTECTORS on all electronics, especially if you live in an area where thunderstorms are commonplace. This will protect your electronics from most (not all) surges that would otherwise zap them into failure.
the protected mode kicks in when there is a safety issue with the receiver. This
usually comes from an overload to the system via a short in the system
or perhaps a surge in power. Your receiver shuts down, and you'll need
to shut the entire system down to fix it. In some older homes, some of the wiring doesn't deliver the "cleanest"
power, delivering minor power surges to the items you plug directly into
the wall. If your receiver is plugged directly into the wall, purchase a
surge protector to stop this Read more: http://www.ehow.com/about_5516888_problem-sony-receiver-protected-mode.html#ixzz2ZYa9W0Mi God bless you
It's very likely that your TV experienced a power surge and it fried the components within the television. I would recommend buying surge strips (can find these for $20 or so, or more depending on its features) from an electronics store and have all your nice electronics plugged into them. TV, computer, sound system, etc. Power surges are a common way of losing electronics. I'm not saying the TV is completely broken, I would need more information/hands on, but I have a feeling you're going to be buying a new one after this.
Not all power strips prevent power surge, only those that specify on their packaging or imprinted on them, that they are "surge protectors". Also, even these will have lost their surge protection once they have been hit either by lightning or a strong power surge. You would have to check with the manufacturer on how much of a hit they can withstand. Was there a thunderstorm in your area recently? Are you using a remote to try to change the channels? If so, try the buttons on the tv itself. Also try unplugging, waiting 15 or more seconds, plug it back in, directly to the wall socket. See if that resets it. If you still can't get it to change channels call the manufacturer of the tv, it may be a known problem and they may be able to help.
Your unit took a power spike or a brown out; big dip in power then a surge. Yamaha's receivers are pretty solid when it comes to power supply's! it takes alot to zap em! If that's the case, it's about a 275 dollar repair. They will replace main transistors and caps. If you don't have a serious Home Theater Surge/Conditioner (not a power strip) get one! any receiver with today's spec's will be toast!. If you need some guidance on receiver's or surge, post a comment and I can help you out. Sorry for the bad luck!
First, most of the UPS sensitivity can be adjusted. Setting a higher sensitivity will make the UPS compensable much faster if the current goes to high to too low thus always providing a good power quality to the equipments. For example, on a BackUPS RS the low level can be configured from 94V to 104V and the high level from 126V to 136V. An entry-level UPS such as the APC BackUPS ES will switch to battery mode as soon as the power goes out of the sensitivity range. On the other hand, a high-end UPS for workstation like the APC BackUPS RS has a feature called Automatic Voltage Regulation (AVR) that compensate at some extent without requiring the battery; this makes the battery last longer before needing to be replaced.
Second, most of the UPS have "Battery Protected" and "Surge only" outlets. Make sure that the computers are connected to the "Battery Protected". The "Surge only" outlets will only protect from parasites or surges like a thunder storm. They should be used for less important stuff like a desk lamp or devices with high demand peek such as a laser printer.
Third, the use of a power bar connected to the "Battery Protected" side should not have any impact as long as it is not overloading the UPS. Personnaly, I have a power bar connected to both my UPS.
is it pl;uged direct in wall must nbe on a nice hi end break surge proably got zapped transisters in it best to try to replace it u can try to un plug it from that outlet few min then back in anther one