Question about AMT Datasouth Aries MK238 Weapon Sight

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Amt mk238 when I changed the battery and turn it

Amt mk238 when I changed the battery and turn it on nothing. I hear high frequency noise. No image no green image at all. I see no change from off to on.

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High frequency noise from toshiba dvd recorder


if you can remove the cover of your dvd recorder, then access the power supply board first check if their is bulging capacitor or transformer which emits the noise.if ok, observe if the noise is coming from the dvd burner during recording.

Sep 15, 2012 | Toshiba DR410 DVD Recorder

1 Answer

Put in battery and light comes on but nothing happens, i have a aries mk 238


Jeepers! I have work on these ATN MK238 before. All internal electronic are made in Russia. There are two major problem with them. Image intensifier tube goes lights out, the ccfl inver, coil and voltage multiplier are seal in dielectric jell and epoxy. can't work of them. I can work on them, but I am not. Who ever work on it will need to install a new image tube, manufacture ccfl inverter, fine a coil and manufacture voltage multiplie and get the correct cathode ingnitor voltage, hard.
Sorry, I wish you all the luck. They one more option send it ATN and before you send it call ask what the price will be, and get the guys name or record it. stewbison

Jun 07, 2011 | AMT Datasouth Aries MK238 Weapon Sight

1 Answer

Lens diagram aries 238


Hi, the objective lens on this ATN MK238. Now these lenses are Russian Optics and they manufacture very good to excellent optics. Take the lens to a camera shop, if they can fix it, then they will know who will. If you send it to ATN they just throw away your lens and replace it with a new lens. If you are going to replace the lens then up grade to 90mm to 100mm lens, OK. stewbsion

May 09, 2011 | AMT Datasouth Aries MK238 Weapon Sight

1 Answer

I'm hearing a high frequency electrical "whirring"


COuld be a grounding issue. Place a ground plug on your computer where it plugs into the wall outlet. You can get these at almost any store for about a $1.
Otherwise, you might try using a battery backup system.

Mar 21, 2011 | Sony MDR-7506 Professional Headphones

1 Answer

Power light turns on, Infra red illuminator works, cant see anything in scope. Reticule doesnt light up and no vision through optics. New battery etc.


Hello, bad image intensifier tube and possible ccfl with it coil. Major repair on MK238 scope. I think they make a generation 2 tube for this scope like 350,360,390, and 410. Call AT ATN. stewbison

Mar 04, 2011 | AMT Datasouth Aries MK238 Weapon Sight

1 Answer

There is a white noise hiss after every sound that comes through the headphones.The sound decays over approx 1.5 seconds. Have tried moving the base around the room, spent $$$ on high quality connection...


Maybe changing channels will do the trick. The noise your hearing is like a distortion of frequency from a nearby device that is using the same frequency the headphones uses.

Oct 13, 2010 | Sony MDR-RF970RK Headphones

1 Answer

Crate TX50 DB has noisy DSP circuit when rotating the DSP pot!


When you are changing the DSP effect on the fly, static or noise is NORMAL !!! The DSP is changing the data and having to recalculate on the fly and doesn't mute itself while doing so which results in "garbage sounds out".

The bypass setting should NOT get any tone UNLESS you have feedback going on. If your guitar can "hear" the speakers in the amp, the strings can vibrate and get feedback going.

Unplug the guitar and see if high freq tone is still there on bypass. If the tone is in the musical range, then there is a problem if nothing is plugged in. If it is a VERY weak, very high frequency tone, this may be the digitizing noise from the DSP. On bypass, the audio is likely to still go through the DSP, just not be modified by it.

May 03, 2010 | Crate FlexWave FW15 Guitar Amp Combo, 15...

1 Answer

Put in battery and light comes on but nothing happens


if the eye tube is not lighting up its likley to be the censor burnd out or the tube is broken,,, dont use it in full day light,,

Nov 17, 2009 | AMT Datasouth Aries MK238 Weapon Sight

2 Answers

Amt aries mk238 model#500433


I have a Amt aries 208 I have changed the battery but i cant get to do any thing . and i have lost all of the manuals can you help.Ed.

Nov 13, 2007 | AMT Datasouth Aries MK238 Weapon Sight

1 Answer

TV won't stay turned on, no picture, started making high pitched noise


That high pitched noise you're hearing is the power supply telling you that it has too much of a load on it and lowered its operating frequency which in effect cuts its output way down! Normally you don't hear any thing since the power supply operates at a frequency that's beyond human hearing. In an RCA this indicates more than likely that your horizontal output transistor is shorted and this short was caused by the flyback transformer shorting. This is a common happening with RCA's You'd need to take to a tv shop and have it checked out. Stargazer

Jan 28, 2007 | RCA F27650 27" TV

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