Question about US Night Vision Ultra PVS-7B Goggles

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Powering down Unit powers off after a short use. Sometimes operates up to two minutes but usually less. Also seems to shut down faaster with the Ir "ON". Initially I thought that it must be the batteries. I replaced with new AA energizers. No luck. Again I replaced with Duracell. No Luck. I tested the voltage of each battery and found no less than 1.5 volts per battery. I tried Ni-Cad batteries with an initial output of 1.63 volts each. Again no luck. I am utilizing my PVS 7B in complete darkness as to avoid the bright light shut down possibility. I'm fresh out of ideas. Any suggestions? Thanks -Jay

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How long have you had the system? Did you purchase from USNV or private party? If from USNV why not call them up and send it in for repair. If from private party,,,,,that's the chance you take. Sounds like you have either a failing power supply or an electrical short somewhere. In any event the system should be looked at by somebody who knows about night vision. If purchased within the past 2 years it will still be under warranty.

Posted on Dec 30, 2007

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Posted on Jan 02, 2017

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The computer keep shutting down.... i had taken down and he feel the mother board or something had been shorten circut.. i had it for 3 years... other than that seem that everything is fine but shut down...


If there was a short circuit it wouldn't power on period. If it shuts down completely and not rebooting your most likely teleconferencing one of the following
  • Power supply is crapping out (less likely)
  • Your computer is overheating (Most likely)
If it is rebooting then your most likely experiencing a software crash perhaps due to a failing hardrive or just general operating system corruption.
If your computer stays up for more than a few minutes try downloading speedfan (click the words "Speedfan 4.4" not the giant button (thats an ad) http://www.almico.com/sfdownload.php Run it and it will display your core and CPU temps anything over 60-65 is pretty **** high, shutdowns will usually occur higher than 75 C though. If you know how to enter BIOS (usually F10) while the system is first booting up, some BIOS will allow you to set a shutoff threshold.
After thought... failing CPU fans can also cause a computer to shutdown.
Comment back with your finding or if you need further help.

Aug 12, 2011 | Computers & Internet

1 Answer

When powering from full shut-down, takes about 30


whenever you want to turn it off, put it on hibernate.

Jan 02, 2010 | Toshiba Satellite M35X-S161 Notebook

1 Answer

Never shuts off its making snow in the Freezer and it's + 10 in the Fridge


try powering down for about 5 minutes then power back on, this will usually reset the unit into normal mode

Oct 10, 2009 | Maytag Refrigerators

1 Answer

We have a GE built in oven, model # JCKP13GP-1. The oven, after operating for an hour or so, shuts down. Sometimes the signal beep goes off when this happens but not always. Any hints on what this could...


We see a symptom like this sometimes due to a failure in the electronic clock/control. Although, by the time we get the control in for repair, it is usually shutting down after a minute or less. You could also have an intermittent temperature sensor or intermittent wiring to it or the door lock, so you should consider that first. The control board for this unit has been discontinued, but we repair them at www.fixyourboard.com.

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1 Answer

Shuts itself off periodically


If the period of time in question is reasonably consistent - say 45 minutes after powering up it shuts off - you could be suffering from an overheating issue inside the unit. Temprature sensors can override manual operation and shut the unit off to avoid greater damage (or even a fire) occuring. Have the TV serviced.
If you find it happens at random time intervals from cold this is less likely to be the case and it could be relative to the mains power supply going to the TV. If you suffer from 'dirty power' (power that dips and surges instead of giving a consistent voltage) this could also cause an automatic shutdown condition within the TV. This could happen at any time after the unit has been turned on. An unterruptible power supply (UPS) would help with that.

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1 Answer

The a/c unit cooling fan shuts down shortly after unit kicks on.


If a fan motor quits working during a cycle it usually means that the thermal protector is turning it off. If you had an amp meter on it, you would notice that it is exceeding the listing on the nameplate, Nine times out of ten this is irreversable, the motor needs to be changed. Sometimes if there are oil ports on the motor, you can add a few drops of zoom spout oil and that does the trick. But usually the motor is already damaged. Good luck.

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1 Answer

Nothing on screen


MY NOKIA 6630 MOBILE IS HANG AND HIS SCREEN BECOME WHITE

May 31, 2009 | Computers & Internet

1 Answer

Unit powers itself down


does it do this when on battery mode?
or when its plugged in?
i found they do tend to drain quicker the older it gets and that just because of a week internal battery.. i just leave mine plugged in to the cig lighter in my car and i dont have that problem but if you have to use battery power it will drain fast no real fix unless you get a new internal battery and its much easier to just leave it plugged in.

May 22, 2009 | Garmin GPSMAP 172C GPS Receiver

1 Answer

Power turns off


Protect mode will kick in whenever a fault is detected.

You get the unit not powering up, and sometimes you hear a clicking noise, that is the protection switch that keeps shutting down the unit.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Jan 31, 2009 | Samsung HT-X50 System

1 Answer

Unit shuts itself off after 10 -15 minutes


Protect mode will kick in whenever a fault is detected.

You get the unit not powering up, and sometimes you hear a clicking noise, that is the protection switch that keeps shutting down the unit.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Jan 08, 2009 | Samsung HT-WX70 Theater System

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