Is this SAFE? I don't want anyone to die.

[javeryh]

Over the weekend I mounted a horizontal monitor into a DK cabinet in a vertical position.  I had to remove the triangular mounting brackets that allowed the monitor to sit on a table or whatever.  Since I removed those the "guts" (electronics) of the monitor also had no support so I secured them to the inside of my cabinet at a slight angle. 

You can see what I'm talking about in the pics - the first one is how I mounted it and the second it what it looked like before I removed the brackets.  I think it is OK but I'd like to hear some opinions from people who know more about electricity than I do.  Everything is VERY secure and I will be covering this with a back door.

Thanks.   

[garnerb350]

I'm not a pro...but as long as you have the support ( there where you screwed the guts to the stud) you should be ok...and I guess you will have the back door secured ( dont want nobody messing with it ) There is no stress on the wiring is there? 

[mlalena]

Safety-wise, I don't see a problem with moving the main board.
Mounting a monitor vertically may have EMI (interference) issues, but I'm not sure what you should do if you do have problems.

One word of caution. A CRT tube carries enough power to kill you even when it is unplugged.
If you arean't already aware of this, you should do some research on the subject.

[javeryh]

I'm not a pro...but as long as you have the support ( there where you screwed the guts to the stud) you should be ok...and I guess you will have the back door secured ( dont want nobody messing with it ) There is no stress on the wiring is there? 

There isn't any stress on any of the wiring (except maybe one but it is due to gravity and not because of where I placed everything so I think it is OK.  I am putting the back door on tonight with a lock because I don't want there to be even a small chance of someone messing with anything in there.

Safety-wise, I don't see a problem with moving the main board.
Mounting a monitor vertically may have EMI (interference) issues, but I'm not sure what you should do if you do have problems.

One word of caution. A CRT tube carries enough power to kill you even when it is unplugged.
If you arean't already aware of this, you should do some research on the subject.

This monitor was previously mounted in a cocktail cabinet and worked OK but I haven't turned it on yet to check the picture since I mounted it yesterday.  It actually hasn't been on in well over a month but I do know that it can hold a charge which is why I was very careful with it during installation.  My dad was making me nuts because he was insisting that there was no danger but he was basing it on nothing and he has no electronics knowledge whatsoever.  I had to yell at him at least 3 times and he just kept shrugging it off.  He was convinced that because we could touch the mounting brackets safely (which were metal) that there was no danger of being electrocuted and I was overreacting.  Grrr...

[drventure]

Yikes.

That's one reason I like LCDs. Even if you decase them, the highvoltage parts of an lcd screen are (from what I understand) perfectly safe as long as it's not plugged in.

Messing around with bare crt's I've just never built up the guts to do 

I feel for you though. Sometimes, convincing a dad of something like this can be tough.

[garnerb350]

  My dad was making me nuts because he was insisting that there was no danger but he was basing it on nothing and he has no electronics knowledge whatsoever.  I had to yell at him at least 3 times and he just kept shrugging it off.  Grrr...

Man i wish i could show you the scars on my left hand where my dad almost cut my fingers off with a chainsaw 15 years back....( freakish x-mas accident)...Ever since then...I do not trust my father when it comes to anything power tools, electriciticty,etc.

Ive been keeping up with your progress on the website...keep up the good work...

[Nipedley]

Electrically there should be no problem there, you've mounted it on wood so there's no chance of anything shorting out and as long as you don't stress the wires it should be fine, and from the picture it seems that way

I had the same problem concerning ignorant parents, after we got past the initial 'That arcade machine says 220v, we are on 240v you will blow the house electrics up...' argument he was adament there was no danger in a CRT. Suffice to say I kept him out of all the CRT work!

[wugly]

You see that thick red wire that comes out of the tube.  that is the wire that has all the stored current you here so much about.  The power will eventually bleed off over time but will be dangerous for at the very least several days,  the exact amount I do not know but watch that wire and the transformer it is connected too and otherwise you look good too me

[SirPeale]

Unless the monitor is on, it's highly unlikely it'll kill you. Nasty bite, sure.  I've been bitten more than once.  Heck, I got bitten showing JoyMonkey and Chadtower how to replace an anode once.

[javeryh]

Thanks guys - so there is no issue with the way the electronics have been mounted either?  I know next to nothing about this stuff (but I'm trying to learn) and I know to stay away from the suction cup and the wire.  I'm also worried about fire hazards and anything else you can think of.

I have 2 very young kids at home and I don't want there to be any chance that they come into contact with this thing.  Once the back door goes on (tonight) it will be sealed up.  When I went to work on the cabinet this weekend I found a purple wrench and a mini-basketball in the bottom of the cab.  My son put some toys in there through the coin door opening in the front of the cab!   

[Kevin Mullins]

Just to clarify a couple things on the whole CRT scare.........

The big red anode lead has ZERO danger when the monitor is OFF.
(ON is a whole nother story)

It is the TUBE that holds the charge.
The hole where the anode lead goes into the tube is where you need to be careful.

Whether the anode wire is connected to it or not, it is the HOLE IN THE TUBE you have to be careful of.

SOME monitors will bleed this voltage off after being turned off...... some DO NOT.
Don't take take that 50/50 chance.... ALWAYS discharge the TUBE if removing the anode or even if the anode has already been removed, do it again.

EDIT:
Forgot to add that it is possible for a tube to actually develope a charge even after it has been discharged and is just sitting on a shelf or the floor or whatever. Especially when the anode lead is off. (the hole is open to the air)
So once again, always discharge the tube before going near that area for whatever reason.
Even if you don't get a "spark", it's better to not take the chance.

[javeryh]

Just to clarify a couple things on the whole CRT scare.........

The big red anode lead has ZERO danger when the monitor is OFF.
(ON is a whole nother story)

It is the TUBE that holds the charge.
The hole where the anode lead goes into the tube is where you need to be careful.

Whether the anode wire is connected to it or not, it is the HOLE IN THE TUBE you have to be careful of.

SOME monitors will bleed this voltage off after being turned off...... some DO NOT.
Don't take take that 50/50 chance.... ALWAYS discharge the TUBE if removing the anode or even if the anode has already been removed, do it again.

Thank you for the info!  Do you happen to know whether a Happ Vision Pro will bleed off the voltage (that is the monitor I am using)?  Also, is there anything to be concerned about while the machine is in use (or not) after I put the back door on?

 

[Kevin Mullins]

The newer monitors might, but honestly..... I don't ever think twice about it, I always go through the discharge procedure if I plan on pulling the anode off or before putting it back on.

Your setup looks secure.
It's not rocket science...... is the tube secured, is the chassis secured, is any wiring being stressed, good to go.
I've heard other talk about degauss issues, but if the regular degauss is working properly it should be fine and take care of itself.
 
BUT...... I have seen and heard of the Happ Vision Pro's having a weak degauss circuit, so you may have to do a little extra manual degauss when you finish getting it setup.
(won't know till you fire it up in it's final location)

Make sure your ground is good and after you put the back door on call it a day.

[MaximRecoil]

There's no problems there.

You don't have a Nintendo Sanyo frame that you could put the CRT and chassis into?

[ami-man]

Hi javeryh,

Here is a link re how to discharge a CRT.
www.wileytradegroup.com/imac_repair/displaydischarge.pdf

I guess everyone has had a shock of a crt at some stage .

Regards
Alan Hood
ami-man
UK

[javeryh]

Thanks guys.  I don't plan on discharging the monitor any time soon (is there a reason I should?).  I just wanted to know if it was safe as it was currently mounted.  I'm a little nuts when it comes to the safety of my kids (aren't we all?).

Thanks!

[Dr Zero]

Got a question on where to hook the grounding wire is it ok to hook it so say a green ground wire or the wall or should it go to the chassis?

What is the chassis for some reason has lost its ground what happens then?

Thanks!

[ami-man]

Hi Dr Zero,

Make sure the chassis is grounded and test it to make sure.

Regards
Alan Hood
ami-man
UK