Yukon Viking 2x24 Night Vision Binocular - Answered Questions & Fixed issues


Hello, don't worry about it. It is HV to the image intensifier tube. The battery voltage goes through control circuit then to ccfl inverter (here is were dc voltage is switch on and off and switch dc voltage is step up by toroid coil that has two input and only two out puts). By impulsing the coil with two different switch dc voltage on the input this make the current lag the two different phase voltage by 90 degrees. Here is where the strange noise is coming from. The toroid coil is encased in iron case and if half of this iron case is loose, it makes case vibrate so the noise.


Now, the voltage come out of the toroid coil is switching dc (one could call it AC because that what AC voltage is, it switch between positive to negative) this voltage is about 300 to 900 switching DC voltage. This voltage will be applied to a 1/2 wave voltage multiplier (this voltage multiplier with have anywhere four four stages to 10 stages depend on what the input voltage to multiplier is.

Low the voltage out of the ccfl inverter the more stages the multiplier will have.



Now, the voltage multiplier will double the voltage per stage to need image intensifier tube voltage of 12000 to 45000 volts---DC switching or AC what ever one wants to call it. This voltage will bit you but it doesn't have a lot current associated with it, the current would be in the 10 to 15 ua (micro-amps) 1/10X6 amps.



Now, you know. GB...stewbison

Yukon Optics | Answered on Sep 24, 2011 | 377 views


It may be the year 1967. Because I find greener gun number 79259 was made in 1967.

Optics | Answered on May 15, 2020 | 111 views


Trying to figure out how old my Whirlpool washer is Locate your machine's nameplate, which contains both the model and serial numbers. On top-loading Whirlpool washing machines, open the lid and look for the tag at the top rear of the tub. On front-loading washers, the tag is usually inside the door or near the bottom of the left or right side of the cabinet. If the tag is not in one of those places, pull the machine away from the wall and check the rear. Record the serial number with a pencil and paper or take a photograph. Be sure to record the serial number, not the model number. Decode the serial number at an online source like Appliance Cafe or Appliance 411 (links in Resources). Whirlpool serial numbers include a code in the second character for the year the product was built. Before 1990, the character was a number; from 1990 to 2010 the character was a letter. The number sequence started over in 2011.

Optics | Answered on May 13, 2020 | 98 views


https://www.youtube.com/watch?v=s90HADv-mJk

https://www.ebay.com/itm/NEW-BATTERY-CAP-COVER-SCREW-FOR-BUSHNELL-TOUR-V3-OR-V3-SLOPE-GOLF-RANGEFINDER-/264409429458

Optics | Answered on Mar 13, 2020 | 56 views


Sorry, no. But thanks for asking.

Optics | Answered on Jan 23, 2020 | 77 views


TRY THE MANUFACTURER WE DO NOT HAVE REPLACEMENTS FOR ANY THING

Optics | Answered on Jan 15, 2020 | 79 views


You should know what you paid for it, whatever it is. If you are enquiring about its value, however - Fixya does not do appraisals or valuations

Optics | Answered on Jan 15, 2020 | 79 views


Bottle-shaped cartridges and long barrels cry out for Cordite, shame it is no longer made but research the burn rate and try and match it with a powder...

Optics | Answered on Jan 09, 2020 | 67 views


It's now 2020 - went up on January 1. Didn't you notice the noise ?

Optics | Answered on Jan 09, 2020 | 99 views


try AMAZON.com

Optics | Answered on Jan 08, 2020 | 80 views


Ask your parents. Your mother, at least, must have been there when you were born. Or look on your birth certificate.

Optics | Answered on Dec 31, 2019 | 70 views


Look on Google or YouTube. Some other nutcase is bound to have had the same idea.

Optics | Answered on Dec 31, 2019 | 78 views


fixya does not do appraisals.

Optics | Answered on Dec 29, 2019 | 106 views

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