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Wanted The antidote Dr. Jones.

J.C.Rox

J.C.Rox

Site Supporter
1 10 Years
Joined
Apr 11, 2015
Messages
3,009
Location
Haddington East Lothian
As you may have seen my IJ (wms) has had me on a path of adventure and I think the end is in sight. I am looking for a cpu board, clean with no hacks if possible, willing to part ex my dodgy one if someone thinks it's of use to them, Andy legend diagnosis was its had acid damage at some point. It has been working fine until the pin was taken to Wales for the party so maybe something vibrated loose but it's above my range of amateur skills.

Also anybody have or know where I can get an insert that smoothes out a dodgy ball trough?

Cheers
 
Haha great minds and all that, cheers guys for the link and thanks Luke, I'll get some pics to you next couple of days and we'll see if there's life in the old dog yet!
 
What do you think @lukewells?
20151108_162011.jpg
that's the only hack if thats what it is on the back...
 
Certainly looks crappy around the LM339s. There are a lot of fine traces under those chips that easily get corroded with an acid damaged board.
 
Andrew Stockdale said:
Certainly looks crappy around the LM339s. There are a lot of fine traces under those chips that easily get corroded with an acid damaged board.
Click to expand...
Yeah it's definitely seen better days, but can those traces be rewired or is it condemned, and will it just be one fix after another?

On a side note I had a look to be sure and Indy has the correct compliment of balls!! ;)
 
It's not the worst I have fixed.

Here is an example of what I do :-



Can you show a photo of the bottom half back of the pcb (the area where the corrosion is. The amount of corrosion on the back is a good indicator of how much it has eaten through. From the front, yours looks fixable
 
xfactor :tut:


Looks like it does have corrosion all the way through.

I can fix it properly (neutralise, strip, sand, re-tin, replace everything in the lower half) for between £75 and £100
 
My typo was intentional ;)

That's great mate :) Way cheaper than a new one so happy to pop it in the post, pm me your address please mate and email for paypal if thats cool? :thumbs:
 
J.C.Rox said:
Yeah it's definitely seen better days, but can those traces be rewired or is it condemned, and will it just be one fix after another?

On a side note I had a look to be sure and Indy has the correct compliment of balls!! ;)
Click to expand...
I have one that is worse than that. I've just about got it going but not quite. It looks like spaghetti junction on the back !
I'd never use it in a game, it is more to do with stubbornness than anything else.
I did buy one off eBay for 99p that I fixed with just two trace repairs. :clap:

That is my spare, just in case.
 
Andrew Stockdale said:
I have one that is worse than that. I've just about got it going but not quite. It looks like spaghetti junction on the back !
I'd never use it in a game, it is more to do with stubbornness than anything else.
I did buy one off eBay for 99p that I fixed with just two trace repairs. :clap:

That is my spare, just in case.
Click to expand...
Surely you'd use it when it's fixed?! That would be the prize for all the hard work! I still get a little buzz of pride when I change a bloody bulb!
 
J.C.Rox said:
Surely you'd use it when it's fixed?! That would be the prize for all the hard work! I still get a little buzz of pride when I change a bloody bulb!
Click to expand...
I don't have a game for it and I already have a spare. If I can get it working fully and stable I will keep it in case a board-less project machine comes up for grapes nice and cheap.

Talking of bulbs, found out today that my Roadshow has a dodgy GI connector. I will have to solder a new header pin connector on the power board. I HATE having to remove the power driver board. :mad:
 
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