Question about Dwin TransVision 3 Plus Multimedia Projector

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Where to find Dwin TV3 processor power supply?

The power supply on my Transvision 3 processor has gone bad causing the two power solenoids on the main board to cycle (click) continuously when the processor power cord is plugged in. Any idea how I can fix/replace this since Dwin is gone and did not release any schematics? I have considered buying a used TV3 for parts. Any ideas?

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Posted on Jan 02, 2017

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icansolve
  • 45 Answers

SOURCE: Dwin lamp turns off

I design and implement switching power supplies for the commercial lighting industry. I also own a DWiN Transvision and have opened it and worked on it several times. I believe I can answer this question.

The DWIN projectors use a proprietary switching power supply to strike the lamp and keep it burning. The power supply is extremely sophisticated and maintains tight voltage and current tolerances. This is important because the halides in the lamp are damaged by power supply fluctuations. The halides can often be seen in an unfired lamp, they appear as small specks of dirt or tiny beads inside the lamp envelope. When a metal halide lamp is struck, the halides (which are rare earth elements) vaporize and cling to the inner wall of the lamp envelope. The mixture of halide gas in the lamp is what determines the color temperature of the lamp, as well as the accuracy of the lamp across the entire color spectrum.

One of the ways that DWIN is able to deliver such great color is because they use a lamp which delivers this great color across the spectrum, but, as I pointed out earlier, can be damaged by fluctuations.

The power supply contains three switching sections and five references for such things as input and output voltage for each psu section, as well as overcurrent demands from the lamp.

From my experience, your lamp(s) are all exhibiting issues that require replacement.

Posted on Nov 27, 2008

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SOURCE: replacment of bulb on dwin transvision 3 plus ceiling mounted

It is fairly simple. Take the unit down as you need to get to the underside. There you will see the retaining screws that hold the cover on. Remove these and open the unit. Inside you will see the bulb and mounting bracket. Off hand I don't remember exactly how it is held in place but there are a number of screws and a lead to disconnect to remove it.

Posted on Apr 30, 2009

  • 6 Answers

SOURCE: We have a Transvision 3 that is not working. The

I am looking for parts if you want to sell it. dgrayid@yahoo.com

Posted on Dec 10, 2009

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1 Answer

I have a transvision 3 that starts up and runs fine. at some undetermined point the picture will flash back and forth from snow to the clear picture????


prestopete here...no kidding..I have the same problem...Can't find any cables. I do have a source for bulbs if you need.

Mar 25, 2012 | Dwin TransVision 3 Plus Multimedia...

1 Answer

I have a Dwin TransVision 4 that is not working. It started out with us being able to watch a movie for about an hour and the bulb shutting down. I finally ordered a bulb from Dwin (at 458.00!!) and...


honestly it sounds as if a capasitor is overheating and once it overheats the machine is shutting off.... I myself would be able to look at it and see if this was correct or not. i am not sure how familliar you are with these types of things, probably best to take it in and tell them exactly what is wrong...

Feb 26, 2011 | Dwin TransVision 3 Plus Multimedia...

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Dwin transvision 4 projector lamp will not light even after changing the bulb. It also looks like Dwin went out of business. Any options to fix?


Call Interlight @ 219-989-0060 and read them what the part # is on the bulb inside the cage. They can probably supply you with the lamp and you simply reuse your cage.

They were able to do this for me

Mar 22, 2009 | Audio Players & Recorders

1 Answer

Replacment of bulb on dwin transvision 3 plus ceiling mounted


It is fairly simple. Take the unit down as you need to get to the underside. There you will see the retaining screws that hold the cover on. Remove these and open the unit. Inside you will see the bulb and mounting bracket. Off hand I don't remember exactly how it is held in place but there are a number of screws and a lead to disconnect to remove it.

Mar 09, 2009 | Dwin TransVision 3 Plus Multimedia...

2 Answers

Dwin Trans3 Plus will not lite


I had a similar problem and it turned out to just need a good clean. The fans can pull in a lot of dust and eventually this causes intermittant starting problems/noise. I attacked mine with compressed air and a vacuum cleaner and this completely fixed the problem. Try to control where the dust goes you want to avoid just blasting it inside the unit and on the lense, bulb, etc

Dec 31, 2008 | Dwin TransVision 3 Plus Multimedia...

1 Answer

Bulb or power problem?


You have to order it on the website and they are terrible about getting back to you. Worste customer service in the world. Terrible

Jan 03, 2008 | Dwin TransVision 3 Plus Multimedia...

1 Answer

Dwin lamp turns off


I design and implement switching power supplies for the commercial lighting industry. I also own a DWiN Transvision and have opened it and worked on it several times. I believe I can answer this question.

The DWIN projectors use a proprietary switching power supply to strike the lamp and keep it burning. The power supply is extremely sophisticated and maintains tight voltage and current tolerances. This is important because the halides in the lamp are damaged by power supply fluctuations. The halides can often be seen in an unfired lamp, they appear as small specks of dirt or tiny beads inside the lamp envelope. When a metal halide lamp is struck, the halides (which are rare earth elements) vaporize and cling to the inner wall of the lamp envelope. The mixture of halide gas in the lamp is what determines the color temperature of the lamp, as well as the accuracy of the lamp across the entire color spectrum.

One of the ways that DWIN is able to deliver such great color is because they use a lamp which delivers this great color across the spectrum, but, as I pointed out earlier, can be damaged by fluctuations.

The power supply contains three switching sections and five references for such things as input and output voltage for each psu section, as well as overcurrent demands from the lamp.

From my experience, your lamp(s) are all exhibiting issues that require replacement.

Sep 25, 2007 | Dwin TransVision 3 Plus Multimedia...

1 Answer

Video then Black


the colorwheel is going bad and needs replacing.

Jul 27, 2007 | Dwin TransVision 3 Plus Multimedia...

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