Arachnid Super 6 6300 not registering hits

suey29

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Hey folks,

I've done my best to search the forums for some detailed help on this, so if I missed something I apologize.

I just picked up an arachnid super 6 6300 on the cheap, and it needs a little work. It is missing screws, lag bolts and get this... the person I bought it from wallpapered it. So i've already spent some quality time scraping this thing clean.

As it stands, I have several double segments that are not registering, the 20, and 1 segments are toast, and the bull isn't registering. After tearing it down, I noticed some segments are cracked, and it just overall dirty. I'm hoping that a good cleaning and replacing the damaged segments will fix the problem.

Is there a way to tell if the sensor matrix is damaged? Or any suitable method of testing it without damaging it? I noticed I can replace it from Happ if needed, but would like to save myself the money if at all possible.

Any tips and tricks outside of what i'm already doing would be helpful.

Thanks!
 
Clean the target head and reassemble it properly. The switch matrix is very delicate (especially at the connector).

Use the test switch on the coin door and go into the target head test.
 
Thanks Ken, I just got done painting the cab, I will reassemble everything once it dries and let you know how it turns out.
 
It seems to be missing a gasket according to the Arachnid manual. Is this an issue?

3 1 122 12-0004 Gasket ,020"

The rubber damper seems to be in place.
 
No change on the sensor matrix... 20's and 1's are still dead. All segments are clean and clear. Looks like i need some replacement parts.

On Suzo Happ's page, do we know the difference between regular spider and super spider?
 
Pictures attached of regular spider (thick walls) and Super Spider (thin walls) target heads.

The regular spider has three flat cables sticking out of the switch matrix.

The Super Spider has a single flat cable sticking out of the switch matrix.

Both target heads look similar, but the parts & wiring are completely different.

This document shows the installation of the Super Spider:

http://arcarc.xmission.com/PDF_Darts/Arachnid/Arachnid_Service_Tip_Super Spider_(8-16-1993).pdf
 

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Thanks again Ken, i'm ordering a new matrix, and rubber damper today. Do you know if the gasket is needed? It shows up as part "122 12-0004 Gasket ,020" in the arachnid catalog.

I can't seem to find it anywhere online, and most of the segments on my current board seem to work without it.
 
The newest rubber damper replaces the old damper and gasket. In other words, you don't need the gasket anymore with the new rubber damper.

In the old days, the gasket actually shrunk (even new ones that had been stored) enough that the holes no longer lined up with the switch matrix pads. The new rubber damper is embossed and will not shrink.
 
Well, it worked perfectly until now. I'm starting to get frustrated. Suddenly, the 2 and the 7 segments went out. They were working as of yesterday. I took apart the target head again and gave everything a good cleaning.

For the sake of troubleshooting, I reversed the pins on the target control interface, upon tapping the 7 and the 2 it registers the hit, albeit different numbers (as would be expected)

I reinforced the soldering joints on the control board, but it didn't seem to help. I hope this isn't going to be a very costly fix... any suggestions?
 
Any of the segments binding inside the spider? Any segments cracked (especially the pie wedges)?

Soldering good on the target interface board?

Target head assembled with screws only finger tight? Never tighten the screws with toools.

When you go into test mode to check the target head, does it show any stuck switches?

Have you cleaned and reseated all socketed chips on the main board?
 
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It looks like cleaning those socketed chips worked.... :)

Now all I have to do is enable my shiny new double bull.

Thanks Ken!
 
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