Jamma Repairs

TechnoFreek

misty37 wrote: »

Hi Edd....not allowed post pics as "IM A NEWBIE" (BS)

Can you upload to photobucket eyc and just give the direct link in the post?

misty37

Wont allow me to post the URl

CathalDublin

these ones

or

misty37

Hi Cathal, tried those and the screen flickered....horiszontal lines got thicker and thinner

misty37

The small black ones...I think thats might be them from the manual that I was sent, how do you adjust them as they have no nobs on them?

TechnoFreek

misty37 wrote: »

Hi Cathal, tried those and the screen flickered....horiszontal lines got thicker and thinner

Thinks theres a specific pot to increase or decrease scanline thickness. Not relevant here.

TechnoFreek

misty37 wrote: »

The small black ones...I think thats might be them from the manual that I was sent, how do you adjust them as they have no nobs on them?

Philips screwdriver.

Get the marigolds on.

misty37

Pink or yellow?

Ill try it tomorrow...without killing myself!

Lads there's being careful and and all I understand but there's little chance if shock unless you're at the anode cap.
Check out that vid I posted while back (the 8 hour one) If you have a few minutes.........
I think he takes off the anode cap with his bare hands with the screen on.
Carefully of course but the electricitys not going to jump out at you like in the movies!

misty37

Ha.....dont think i'll risk Technofeaks idea....

On a serious note, how can I adjust them?

CathalDublin

Small flat head or Phillips. Take note of where they were/ how many turns youve done and if not better adjust back to original settings

misty37

Witha a board plugged in I'd assume

The Last Bandit

As above ^. The anode (or 2nd anode for those who watched those videos ) is simple and safe to discharge with basic precautions. The B+ is much more likely to kill you than the HT.

Great series of videos btw, anyone playing around with CRT's should try and watch them.

CathalDublin

misty37 wrote: »

Witha a board plugged in I'd assume

Yea well you want to see if you can get picture

misty37

Cheers Cathal.....may gave it a shot, sure what the worse that can happen!

eddhorse

I got a nice shock recently for being stupid.

misty37

eddhorse wrote: »

I got a nice shock recently for being stupid.

Well now im full of confidence!

eddhorse

Confidence is good but safety is good too.
Anyways i saw your thread on Jamma+.
Side art is gorgeous.

I think this is the neck board and monitor board:

eddhorse

Also heres a restoration of one :
http://www.zzzaccaria.com/SuperCobraRestoration.htm

And control panel :
http://www.dragonslairfans.com/smfor/index.php?topic=3527.0

eddhorse

The more information the better:

Distinguising your Hantarex board http://youtu.be/ml5tKtXe2-o

misty37

Yup Eddhorse, thats my ca....exactly the same!!

misty37

Ok bad news.....no joy

misty37

So next suggestion from Gunblade....

"First disconnect the video input cable and see if it remains the same
next step would be to desolder the crt neck pin for the green gun-that will prove tube or chassis"

Ehh no idea...me thinks im screwed!

CathalDublin

that should be easy for anyone handy with a soldering iron

Mitchomagic

I might have a working monitor that would suit

misty37

Thanks Mitcho, will try see if I cant locate someone to fix this first....I dont have a clue how to do it and am eager to get the machine back operational

CathalDublin

You should measure up your panel against the silverline cabs, it looks like a silverline panel might be the same size
http://www.jammaplus.co.uk/forum/forum_posts.asp?TID=66937&title=interest-check-blank-silverline-19-cps

misty37

CathalDublin wrote: »

You should measure up your panel against the silverline cabs, it looks like a silverline panel might be the same size


Hi Cathal,

Thanks for that....am still trying to locate someone who can try repair it....would love to keep it as the original before I go down this route