Arcade Collecting > Restorations & repair
TheShanMan's Defender restoration - New repro wiring harnesses!!!
SirPeale:
Excellent. Well...not excellent that there are problems, but good you found what they are. I've been eagerly awaiting your post.
Possible to clean the legs on the ROM chips? Replacing them is certainly necessary, but perhaps he could limp along for a bit with cleaned ones?
TheShanMan:
Yeah, I was kind of unimpressed by the job that the fiberglass pencil did (and yes, I did clean the rom chips). I imagine it helped, but I was expecting the "after" to be much better than the "before". Hopefully the ROM's aren't too expensive. I didn't see defender roms listed at hobbyroms.com, and it wasn't clear to me from looking at that site if the prices listed were for entire sets or individual roms or what. In other words, I wondered if I'd be paying about the price listed for a whole set, or that price times 11. If you think they all ought to be replaced, I'll proceed with that plan. I'll contact him to see what a set will run me. Would you prefer that I have them shipped to you? Or should I have them shipped to me, and you'll just ship my boards back since you already know that's the issue?
Interesting that you found a chip that was so hot. At one point I touched every chip on the cpu/video board and not one chip was hot. ???
So what does "no problems" mean? Are you suggesting that the game booted up with no apparent symptoms? If that one chip wasn't working, wouldn't there be noticeable symptoms?
Thanks so much for your help - I can't say that enough.
RetroACTIVE:
--- Quote from: Peale on October 05, 2008, 07:09:41 pm ---Excellent. Well...not excellent that there are problems, but good you found what they are. I've been eagerly awaiting your post.
Possible to clean the legs on the ROM chips? Replacing them is certainly necessary, but perhaps he could limp along for a bit with cleaned ones?
--- End quote ---
Well the legs are just about falling off on some ROMs... they are just about beyond saving... and would become an issue even if they weren't faulty to begin with.
RetroACTIVE:
Your ROM board is fine.. It functions perfectly in a known good system. With a good set of ROMs, your ROM board is good to go. ;)... your CPU has the faulty IC... I will replace it tomorrow and see what goes.
TheShanMan:
OK, gotcha. I was thinking you tried my complete board set.
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