Question about Sony LF-X1 12.1 in. LCD Television

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The audio transmits, but no video. . .

This happened after a power outage, could have been a surge on the home base power supply or through the cable TV box attached, after power was restored.

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  • Sony Master
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Check all cable and connection first, try unplugging battery for five minutes, you may need to replace the cables to the display.

Posted on Nov 25, 2008

  • Ginko
    Ginko Nov 25, 2008

    Forget about the battery, I mixed your model with an handheld tv.

    In your case leave the TV unplugged for one hour or more.
    When TVs get stuck after a power surge , that is becauso of the internal protection circuit, that keep the TV off.

    You often fix it by unplugging the power cord for a couple of hours, this will drain power from the set completely, and reset the internal circuits.

    If that does not work , that means that the power surge had blown something inside the computer (typically power supply problems) , and you need a technician to find the faulty part.


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Oven is two weeks old. Town had a power outage we reset at breaker but still just beeps once and nothing happens


power outages cause power surges when the power comes back on
this surge generally manages to fry the power/control board
I suggest that you get the services of the service centre to come out and check it out.

May 30, 2015 | Bosch 27" Double Wall Oven HBN56

Tip

HOW TO PROTECT YOUR ELECTRONIC GOODS AGAINST POWER SURGES


I have only been giving advice on FIXYA for a very short while but have noticed that an awful lot of the people who relate their product issues , particularly complain about faults developing after power cuts / outages. It is apparent, from a description of the complaints, that damage is being caused by outages that may be a result of power surges blowing electricity sub stations.
There are a lot of damaged audio devices / tvs being affected. As such I advise you TO BUY SURGE PROTECTORS for all you valuable devices.
I have them around the house and although we only get an occasional power cut here in the UK I know that at times they have saved my equipment fron power spikes. The small cost is justified in the long run.

on Jul 20, 2015 | Yamaha Rx-v365 A/V Home Theater Receiver

1 Answer

I have a Yamaha htr-3065 HDMI receiver that won't turn on after we experienced a power outage. When I plug the unit in I get a buzz sound from transformer but still won't come on. The fuse and power supply...


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.

Oct 03, 2014 | Audio Players & Recorders

4 Answers

Yamaha RX V671 will not turn on anymore after a power outage


The protection mode has activated.
Reset the protection mode as follows and see what happens.

Connect power cord to mains and wait 5 seconds or so. While holding down "info" and "tone control" buttons, press "main zone" power button briefly and release, but keep "info" and "tone control" buttons pressed for at least 3 more seconds. The unit should power up. Assuming the reason for the protection has passed or been fixed, the unit can now be turned off and then back on with the "main zone" power button to restore normal operation mode.
If the protector activates again, the fault is still present and the unit needs to be repaired, ideally by a Yamaha authorised repairer.
There are dangerous voltages present in high power amps and a lot of grunt in terms of stored energy - best left to trained technicians.

Apr 10, 2012 | Yamaha Audio Players & Recorders

1 Answer

Hi, this morning we experienced power outage in our location, after 5 hours later power came back, but not our main server IBM System x32002. I checked the monitor and there is power. I check the green...


Hello,

Depending on what caused the power outage, you may need to replace the power supply in the server. When outage happen and the power is restore. a power surge can destroy power supplies, especially if not connected to an UPS unit.

Good Luck
C2Solutions

Feb 17, 2011 | IBM System x3200 M2 Server

2 Answers

Receiver will transmit t.v. sound but no picture


Maybe the video portion of your receiver was fried by the lightning. The good news is, you don't need it!
I run all my video sources (sattelite, xbox and dvd player) to my TV with hdmi cables, and a single toslink(optical) from the televison to my 5.1 home theatre receiver. it sounds great and I only use a single input of the receiver for all my video.

If your setup does not have toslink themn use coaxial digital. it is also one wire and probably is indistinguishable in sound quality.

for future, run the power for all your electronics through a UPS or fancy surge supressor to protect them from bad power (and lightning)

Jun 18, 2009 | Denon AVR-2807 Receiver

1 Answer

XBOX POwer outage?


it is possible that is might have suffered a power surge, i would also check the fuse in the plug if the orange/green light is not on the power supply.

if you have checked this and still not working then try to borrow a power supply from someone and try that with your console - if it works then its your power supply that is dead.

www.fixmyconsole.co.uk

Mar 09, 2009 | Microsoft Xbox 360 Console

1 Answer

Speaker crackle


HDMI is a High Definition Multimedia Interface and has the capability to transmit both AUDIO and VIDEO all in one cable. Your setup right now is transmitting 2 audio frequecys (L/R stereo RCA and HDMI) into the Denon inputs. Not necessary! I would recommend eliminating the red/white audio cable from the direct tv box to the Denon.

After doing such, your receiver should be able to process audio/video signals appropriately. REMEMBER to unplug all POWER CORDS before reconnecting any speaker/audio/video cable, as it may cause a small electrical surge and fry a micro component in your system!

Feb 01, 2009 | Denon AVR588 Receiver

1 Answer

Poor picture quality on my samsung HD TV


Hey xf1racer,

Based on the description that you provided, it sounds like you are using a bundled composite video cable to connect your cable box and TV. Composite video cables generally consist of three color-coded cables: one yellow, one red and one white. While the yellow cable is typically used to transmit the video signal to your TV, the red and white cables transmit the right and left audio channels respectively.

Red/green/blue bundled cables however, are often referred to as component video cables - each of the three colored cables is used to transmit a different portion of the same video image from one device to another, and require a second separate cable (typically red/white) to transmit an audio signal.

The primary benefit of using component over composite cabling is that many users may report a cleaner, more brilliant image on their TV as a result. Please keep in mind however that this is not a guarantee that changing from your current set-up to component cables will improve the picture quality on your TV, as picture quality is often based as much on personal preference as it is the actual configuration and settings of the equipment used.

Additionally, many retailers may suggest changing your current configuration to one using HDMI cables instead to improve picture quality even further. Unlike composite and component cables, standard coaxial cables, and S-Video cables which transmit analog signals, HDMI cables are designed to instead transmit uncompressed digital signals. This typically means that more information is available for your TV to process in terms of color hue, color intensity, as well as image resolution. Again, remember that any perceived improvements will be based on both personal preference as well as your home theater configuration.

Should you have any questions or lingering doubts, I would strongly suggest speaking with a Magnolia Home Theater agent at your local Best Buy™ store for more information. Most stores will have similar TV's on display using more than one type of connection, and sales associates are always able to provide additional suggestions if desired.

Hope this helps you out.

Sincerely,
Aaron
Go Ahead. Use Us.

May 10, 2008 | Samsung PCL545R 54" Rear Projection...

2 Answers

Tv won't come on


Sounds like the typical power surge created by the outage has caused a power supply problem inside your TV. IF that is it, there not much you can do yourself.

Nov 07, 2007 | Televison & Video

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