Arcade Collecting > Restorations & repair
Gorf restoration
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Spyridon:

--- Quote from: DeLuSioNal29 on September 29, 2009, 03:26:06 pm ---  I'm so impressed in fact that I wouldn't mind GIVING this to Spyridon if he could restore it again.  I'm in NY which isn't too far away from PA.

Thoughts?


--- End quote ---

Thanks for the offer, but I've got one beautiful Gorf in my game room.  Don't need another one.  Besides, I've got to finish up Pac-man and Centipede.  Then I've got Gyruss, Galaga, Satan's Hollow, and Phoenix to get the same treatment.  Plenty to keep me busy.
Spyridon:

--- Quote from: DeLuSioNal29 on September 29, 2009, 03:26:06 pm ---Wow.  I read through the entire topic and was floored with your attention to detail.

Great, great, great work!   :notworthy:

I have an empty Gorf cab sitting in my garage that I almost MAME'd until I saw this.  I have the control panel complete with Joystick and all glass ovelays and such.  I probably won't MAME it, but I won't restore it myself either, as my time and budget is too limited.  I'm so impressed in fact that I wouldn't mind GIVING this to Spyridon if he could restore it again.  I'm in NY which isn't too far away from PA.

** EDIT:  Forgot to mention that the Gorf cab doesn't have a monitor or PCB in it.

Thoughts?

DeLuSioNaL29

--- End quote ---

Still have this?  I might reconsider doing another one.
Silas (son of Silas):
When I die I want to be born again as Spyridon's arcade playing buddy. Failing that, if I come back as an arcade machine I pray that after years of abuse at the hands of teenagers I end up in his basement.
Spyridon:
If you remember back to after the painting was completed, I installed everything back together but the game wouldn't work.  I had a problem with the boardset.  I purchased a working boardset and replaced the nonworking one and was good to go.  Now, I decided I wanted to see what the issue was with the original boards.

It's always easier to diagnose problems when you have a working board to compare to.  One by one, I swaped each of the 6 boards in the rack to determine which board had the problem.  Didn't take long to find this one as the culprit:


I reviewd the board for any obvious problems but couldn't find any.  I know that heat is a problem with Gorf boards and that is why chips U3 and U15 usually have heatsinks attached to them.  Looking at the board, only U15 had a heatsink on it.

U3 at the top and U15 with heatsink at the bottom:


Thinking this was as good as any place to start, I swapped the know good U3 from the working set in and BINGO!  Working Gorf boardset.  Now all I need to do is find a replacement chip and I'll have a second working set.

Both of these boards only had heatsinks on U15 so maybe they didn't come from the factory with the heatsink on U3?  These boards require a unique style heatsink because of the lack of space in the rack system.  Doing some research, I was able to find someone that had matched the OEM part and had the heatsinks for sale.  I ordered one for each set and had them engraved with the chip location because once installed, you can't easily see the lettering on the PCB.



Spyridon:
I just found out that this chip is a Midway custom chip.  I'm not going to be able to just order it from any of the typical vendors.  I'll need to find one from another Gorf.   :hissy:

Gorf, Wizard of Wor, Robby Rotto, 10 Pin Deluxe, Professor Pac are a few of the games that used this chip.

So...anybody got this chip for sale?


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