replace a 21 " CRT in a TV with the small CRT PC monitor ?

 i have a 21" TV lying around and an old CRT monitor. basically i want to use the CRT monitor as the TV in my bed room. the old 21" TV is not  working but the CRT monitor is. is there any way I can use the monitor as a tv without the computer? since the monitor cannot be directly connected to the cable i need a way to use it... pls help. 

Asked by para p 8 years ago


How do you separate the CRT glass safely?

Would like to separate the two pieces of glass that make up screen. Does anyone know how to do this? Can you remove epoxy that is holding them together.

Asked by 9 years ago


Will The glass from my CRT Tv Make me sick???

I broke apart my Tv set and literally smashed the screen with an axe.  Why?  Because there was nothing good on.  But anywho.....I heard there is lead and other bad stuff in the glass so i am a little worried that i breathed some of that in.   Also, i love the look of the glass and would love to use it in some art projects.  Is it safe to work with?   Thank u.

Posted by valmont325 6 years ago


Is there any danger associated with sawing the glass tube off the neck of a CRT picture tube?

I had an idea to saw the glass tube projecting off the back of a CRT picture tube (the part that has the pins on the back and surrounds the electron guns) that I have lying around and put it in a plexiglass case or something cause it would look cool.  I need to know if there are any dangers in doing this that remain after the obvious things such as discharging the tube and breaking the seal on the back of the neck.  I do know that the screen is coated with a phosphor that is not good for you but this should not be an issue because i am not going to be working with the actual screen part right?

Asked by UbuntuNinja 8 years ago



some questions about old crt camera view finders

I acquired a pair old crt camera view finders from an electronics surplus store, but before i go hog wild with my soldering iron i have a couple questions. how many amps dose one of these things usually draw? will goofman's mini tv instructable work with any crt or do some crt's not work?

Posted by clasic_traveller_diehard 9 years ago


CRT monitor for sale

I have an old looking CRT its like the ones seen in the early TV's. I would like to get rid of it; I tested it and it works. Any one who makes a resonable offer can have it. Sorry no pictures yet!

Posted by inductionheat! 9 years ago


Is a CRT monitor just any one that isn't flat, but with a bulge at the back? Answered

It would be great if it is, because I have 2 or 3 around and want to make the electric levitation device.

Asked by XOIIO 9 years ago


CRT TV scrap parts? Answered

I found four CRT TVs in the garbage around my house; I've already torn out the flyback transformers, the motors from the tape decks, and the speakers. I was wondering if there were any more parts I should be interested in scrapping before I take them down to my local recycling center. So, are there?

Asked by Brekenridge 6 years ago


Barco Cine 600s CRT projector

I have for sale here a late 1980's Barco Cine600 CRT projector. Powers up ok but I've no idea how to plug anything into it. I can imagine in the right hands there is nothing wrong with it, but i'm no expert so sold as seen £200 I'm in South England and can deliver it anywhere in a 25 mile radius from Salisbury in Wiltshire. £200

Posted by tobychan 5 years ago


What Is This???

I took apart a TV a couple months ago and I just noticed this in the CRT circuit. I think that this is some sort of big potentiometer but I'm not sure. Can anyone please tell me?

Posted by gobitz 9 years ago


My 19 inch CRT gone all wonky?

I turned my monitor on this morning to be greeted to some weird shit. Apparently everything towards the bottom is squished and the top is stretched out. It's not really bad but you can definatly notice it and I'd like the know why it was fine last night and not this morning. I degaussed it and nothing, any ideas? Or has this thing finally bit the dust?

Posted by Punkguyta 10 years ago


help with squiggly picture on viewfinder crt

I have a panasonic omnimove camcorder viewfinder that I took apart and plugged in and got it running. It is running on about 5.5 V DC, seems to work, but its very squiggly, like the horizontal or vertical hold is off. when I plug in video from my VCR I can see the image, but it is really squiggly. does anybody know how to adjust this? could i have aything to do with the voltage? Thanks!

Posted by mushroombob 7 years ago


CRT screen

Scope screen for sale! I had an old osiliscope and I had taken out the screen. the last time before I had taken it apart the screen worked. I have started working on another project and now I have run out of funds for it, so now I am figureing this screen I wanted to play with, might just get me enough funds to finish my project. I need at least $30 for the screen, thats with shipping! I feel a little sad to have to part with it.... but I really want to finish my new project.

Posted by inductionheat! 8 years ago


My monitor screwed?

I've got a 19 inch flat screen crt monitor hooked up to my mac. And when I play my music really loud, the image almost shakes like it would if I had the stereo hooked up to the power bar with it like it used to be. The stereo is on it's own breaker right now, but is it doing that from the actual vibration of the picture tube or is it dieing on me?

Posted by Punkguyta 10 years ago


CRT projects

Does anyone know of a good (and cheap) project I can do with a CRT (not a monitor, just the tube)?

Asked by nikv95 8 years ago


CRT Monitor?

How-to-take-didgital-pictures-with-a-crt-monitor is lieing tutorial i think and how to discharge monitor vacuum did everyone tried personally!!!

Asked by h0meIandsecurity 7 years ago


Can I work on a TV without discharging the CRT?

I have a TV that is in a place where the remote will not work (Dont ask its complicated lol) and I want to rewire the ON/OFF switch on it so that it will be like a foot or two away from the tv. Do I have to discharge the CRT on it before I work on the ON/OFF switch which is only attached by wires to the CRT and flyback transformer circuit. Could I just wear some thick rubber gloves to work on this because Ive never discharged a CRT before and have no interest in doing so.

Posted by jackillac92 9 years ago


i need help removing a flyback transformer from an old CRT tv

Is there any guides on how to do it?

Asked by madrobot3600 7 years ago


Is it unbelievably dangerous to run a crt tv without its casing? Answered

I'm working on an art piece and i just reckon it'd look a whole lot better and 'fit' better overall, but i'm wondering if somebody accidentally brushing up against it or touching it could turn out badly.

Asked by potatosaur 7 years ago


What is the best use for an old CRT monitor? Answered

It's lying around. I don't have enough room on my desk to use it as a second monitor. It'd be cool to have it doing some sort of visualization or lighting effect. Is the tube useful for anything? I'm game for it all. Thanks!

Asked by curtisseligson 9 years ago


Does anyone know a good tutorial for converting a CRT into a clock? I've seen it done, just can't find a good tutorial.?

I'm looking for a good tutorial to take an old CRT computer monitor I have and turn it into a clock. I've seen it done on websites and youtube and want to try it out myself.

Asked by emtffkev 8 years ago


I have an tiny monochrme CRT Monitor thing from a really old camcorder, can it be used for some interesting projects?

Its a 5 cm long CRT monitor, im guessing a native resolution of 640x480, its got four connecting wires at the very end, its a pretty cool looking piece, i read somewhere this guy ran xp through it, so i was wondering if it could be used for something like that, a hud of some sort probably. any clues?

Asked by blckthng 8 years ago


where can I get cheap CRT/LCD viewfinders for night vision headgear?

apart from hacking an old camcorder. preferably PAL but NTSC is ok

Asked by Barramundi 7 years ago


camcorder viewfinder pinout

I have recently come across a panasonic wv-vf01 crt viewfinder. i dont know the model camera it  was from, but i  Would like to drive it. i have already found video, i just need the voltage and pinouts. it has a 6 pin connector. and i plan on hooking the crt to my raspberry pi and show the time on it

Posted by devicemodder 5 years ago


Disassembling a CRT and getting the flyback

Hello! I'm getting a bit tired of playing with disposable cameras... there's only so much you can do with them. Well, I acquired a CRT, presumably from an oscilloscope, a couple of weeks ago and I want to get the flyback out of it (and figure out how to use it) so I can make a Jacob's ladder or Tesla coil. Does anyone have any ideas on how to proceed? Here are some pictures.

Posted by SirCheez 5 years ago


What can I do, and/or what parts can I salvage and use with these two CRTs and one LCD that I've got?

I've got two CRTs for parts, as well as a 20" LCD tv, whose screen is toast. What can I do with them/their parts? I've thought of a guitar amp project with the lcd (speakers/amp of the tv) but that seems like a waste, if there's more great stuff that I can use them for. I know CRTs have tons of stuff to salvage...just not sure how to rip it all out (both CRTs have been unplugged for >month, so their capacitors should be safe, right?) There are a million ibles I want to work on, so I thought I'd see what I could do with what I've got....I don't have enough lights or fans...just these monitors and tv for now. So, what would you do if you were me? Ok, thanks!?

Asked by sykotik 9 years ago


crt monitor image distortion

I have huge 21 inch crt monitor which i found yesterday in the trash i plugged it in now. it works but the image has some distortions the color that should be black is bright gray and all other colors are like addition to it. the image looks very bright and with bright gray tint. setting brightness and contrast to minimum does not help much there are some kinda scratch lines across the display. the lines form a shape of a 'lightning' with horizontal lines and diagonal that connect them. the density of lines is higher when i switch to higher resolution the image size is severely affected by the brightness of what is displayed. it grows larger about 1 cm on each side when i open a window with white background other than that the monitor works ok in all resolutions from the bios screen and up to 1600x1200 what can be the problem ?

Posted by 11010010110 9 years ago


idea for a cheap graphics tablet

I thought of an idea for a cheap graphics tablet type devicefirst read these 2 pagescathode ray timinglight penthe idea is to find a way to rig up a light pen(i don't think they sell them any more) and to use a cheap 5in b/w tv as the surface or mount a crt monitor in a cabinet at a drawing desk angle please give me feed back

Posted by clasic_traveller_diehard 10 years ago


how to fix the broken pins of fly-back transformer?

I have broken the primary & secondary coil pins of a fly-back transformer and i need to repair it. can anyone help?

Asked by ferraririder123 6 years ago


How to power up a crt? Answered

I have a crt from a monitor and I want to power it how do i do that? I have its flyback connected to a zvs driver, and a computer power supply

Asked by theVader75 7 years ago


How to fix CRT monitor that has been powered with reverse voltage?

I have a small Homeland Security system monitor (model number 01875) that I accidentally powered with backwards polarity. Now it doesn't turn on. How can I fix it?

Asked by Ethanal 7 years ago


Which would be easier to use?

Which would be easier to use in a circuit:the CRT of a TV set to hold a massive amount of electrical charge-or-a capacitor with a similar amount of holding capacity (capacitance, if I'm correct)?If it's the CRT from a TV, how would one go about using it as a capacitor?

Asked by robotguy4 8 years ago


How can I cut in half a CRT's glass case without shrapnel or mercury poisoning?

 What I want to do is remove the phosphor screen of a CRT and see what happens if I hit it with intense UV light. I know I've got to look out for high voltage, and that if I don't let pressure into the vacuum very slowly with a small hole the glass will shatter and spray shrapnel everywhere.  I'm also concerned about mercury/lead and any dangerous chemicals I'll be exposing myself to.  Can someone explain the dangers and what I can do to avoid them?

Asked by kramerr 8 years ago


Monitor Screen darkens after spark sound is heard behind?

Ive been happily using my computer for...3year or so. But Ive heard a high pitched(say near 5000hz) spark sounding noise(like when you rub your had in front of a tv as soon as you turn it on) from the back of the monitor and that same instance the screen slightly darkened. It a Sony CRT Monitor i don't know what is going on but its like the third time it happens Edit:Its happening more intense now whats going on?

Asked by ReCreate 9 years ago


Does anyone know how to fix a flyback transformer core?? Answered

Hi. I recently took apart an old CRT and removed the flyback to experiment with the high voltage output. Unfortunately, the core cracked when I was working with it. A sizable chunk even came off, but I reattached it by carefully fitting it in the slot and gluing it in place. Now the output voltage is much less spectacular from which I have seen other people do with the same transformer! It works, but I think the damaged core is where the problem is coming form. Does anyone know how to repair it better then what I managed to do? Thanks!

Asked by transistorguy 7 years ago


how do i make an analog clock with an arduino and an oscilloscope? Answered

I would like to make an analog clock that displays on an oscilloscope using an arduino. Is this possible? and i would like some help with the code.i will also have buttons to set the clock. the picture is what i would like to do with my arduino

Asked by devicemodder 8 years ago


how do i wire my pcb and monitor?

I have a jamma wired cabinet with power supply at 5 volts.i have a 25" monitor with an icade 60 in 1 pcb.i need to know how to connect everything.neither the monitor or pcb is hooked up.i have little knowledge in this field but im willing to learn please help!!!!

Asked by phill2 8 years ago



Shattered CRT Safety

I'm thinking of cutting the phosphorecent screen off of a CRT and seeing what effects I can produce by shining some high intensity UV light on it. Removing the screan is going to be tricky since the entire CRT is a vacuum on the inside. I know I'm going to have to be really careful and let the pressure in slowly or it could implode and send shards everywhere, but I'm also worried about what dangerous substances might be in the CRT that I could expose myself to. Does anyone know if there is a danger of lead/mercury/etc on the inside of the CRT, and what safety precaussions I can take?

Posted by kramerr 8 years ago


Is a CRT electron gun any use?

Is it worth it to take the electron gun out of a CRT when salvaging parts? I've seen people remove the electron gun when they take apart the CRT but I don't know what they'd use it for. What can you do with a CRT electron gun? What chemicals does the gun contain? (I know the screen has toxic phosphor and stuff but I'm talking about the gun itself). Also, is it safe to vent a CRT tube? I have found that you should vent the CRT tube before working on it, by smashing the end from a distance, so that it won't implode if you happen to break it when working on it. But is it safe to puncture open the tube? There are toxic phosphors inside and I worry that venting it could cause toxic chemicals to go airborne.

Asked by poiihy 2 years ago


Driving a CRT, testing a flyback transformer

Hi all, I have taken apart an old color crt monitor which was not working and I don't know how I could reuse the crt from it, I have a feeling it still works and that the problem was the flyback transformer, and would NOT like to throw away the crt. I would like to know if anyone knows how to drive a crt, without having to do something TOO complicated, I will be happy with very minimal results such as just a blue color being displayed, or such, as long as something gets to appear on the screen. Then I can use the x and y axis controls (the little plastic carrier on the neck of the crt) to control the image sizes. I heard that you have to find out which pins  of the crt are for the filament and provide around 6V to it, but how do you find this out? Also if someone knows how I can test the flyback to make sure that is the problem, it would be helpful. Any help is appreciated. Thanks in advance, P.S. Attached is a picture of the crt.

Posted by drresearch 8 years ago


how can i use my CRT monitor as a tv screen please help??? Answered

I plan to move out into my shed soon and there is an old CRT monitor which im hoping i can use as a tv just need to know if it's possible

Asked by chibiwind 8 years ago


Opening a Compaq presario 1725 CRT? Answered

So I was looking around one day and found and old Compaq presaio CRT. I brought it home to take it apart for the flyback transformer inside.I found two screws on the side and unscrewed them. The monitor wouldnt open and I thought there may be more screws and took off the labels (to check for hidden screws) and couldn't find any .Prying the case open didn't work either. Has anyone Opened/fixed one and knows how to open it? Are there plastic tabs that lock the monitor together?

Asked by joeismydad 6 years ago


How to connect many CRT monitors to a single PC for single/multidisplay ?

I have a lot of CRT monitors and wish to connect them together either to display a single picture(all the same), or one big picture(compound). I found on ebay a device that from one singe input from pc can extend to 8 monitors to display the same picture. Any help or ideas? I will use them for display / art installation, not to work from them so display does not need to be sharp etc. Thanks people.

Asked by Toninu5 4 years ago


How to FIx bad CRT Monitor flyback? Answered

My old CRT monitor worked fine last night but suddenly it's turned off slowly .i mean like when light dim. After that happened power button is on but nothing shows on screen and i heard really clicking sound. while VGA cable is unplugged power button led is blinking and no signal dialog box not showing.. i think this happened when bad flyback is there any way to fix this flyback. i have a doubt with monitor power supply. Don't tell me buy a new one :-) And i know high voltages inside it.. Plz tell me good answer. thanks..

Asked by ishan udyoga 4 years ago


Any advice on testing/powering a CRT from a TV?

I recently salvaged a three color Cathode Ray Tube unit from a big screen TV  (unknown damage) and I've  never worked with them before. I don't know if there is a best way to test them out or what if any special gadgets I might need to do so. My goal is to re-purpose the unit as lighting for my Halloween display. I'm just interested if they can produce light and if I can control the brightness of the light.

Asked by JaneSays 7 years ago


Homemade MINI Particle Accelerator? Answered

Hello!  I'm working on a homemade mini particle accelerator from stuff in like hardware stores and thrift stores. I was wondering if someone could give me a definition of a particle accelerator and their hazzards? Also the only thing that I would need to buy off eBay is a some sort of detector for electrons. Heres a list of supplies: concrete, CRT Monitor, wood, lots of thin copper wire (for the electromagnets), a electron detector, and a power supply. It would be a circular accelerator too. Any ideas or info is welcome! PM me or just comment below!

Asked by joespicnictables 7 years ago


how can I hack a cga computer monitor to work for rca?

Hello, I was wondering if anyone can make a instuctable for me so I can wire some rca plugs for my science project i'm working on.

Asked by cburgess7x 7 years ago


Where can I find a Fresnel Lens in LA?

I am trying to find a Fresnel lens for making a cheap DIY projector, and I checked the websites for a few stores nearby and haven't had any luck. Does anyone know of any stores like Lowes or Home Depot that carry fresnel lenses?

Asked by noingwhat 7 years ago