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I Guess Arcade Games Will Survive an Unheated Garage My mom put my Stargate Defender, Defender, and Multi - WIlliam in our garage in Chicago. So for maybe 2 year they went through Chicago winters and summers, no climate control in the garage. I fired up all 3 and only the Multi - WIlliam...

I haven't been on this forum for a long time because maybe 2 years ago I went onto a morning job interview, and my mom used that occasion to stick my 3 arcade machine into the garage. Our big strong neighbor Ritchie did it all by himself. I hated what my mom did and I feared the hot & cold...

I'm stocking up on replacement chips for my Defender boards, but there is a problem. The Later Series Defender drawing set calls chips 1C & 2C as either a 74LS89 or 74LS189 or 74LS289 chip. But I look at my 3 Defender boards and the 1C & 2C chips are marked SN7489N on them, so they're a 7489...

IS USPS Shipping Insurance Worth It? The only problem comes when USPS loses your package, and how often does that happen? Have you guys ever shipped a lot of packages on USPS and lost one? I plan to sell lotsa stuff on ebay so I need to know!

I just won an ebay auction for a Defender ROM, MAIN CPU, and Interface board for $51. Good deal as the RED ROM board and Interface boards worked. But at first startup the RED Rom board gave a RAM & ROM Error Message, but after 10 On / Off startups that started good I guessed it was a good ROM...

Is there a guide or book somewhere that teaches how to use EPROM / EEPROM programmers? I don't know anything about EPROMS and what kind of EPROMS or EEPROMS are used in Stargate or Defender? I looked at the drawing sets for Stargate and Defender and they don't tell me what EPROMS they use...

Anyone have this nice tool... An Eprom burner and IC Tester that can test logic chips... http://www.megadepot.com/product/view/product/ee-tools-topmaxii-universal-device-programmer-and-ic-tester-over-8000-device-support#TOPMAXII Would be nice to have if you shotgun approach your pcb fixing by...

Are Arcade Machines in a Cold Garage a Bad Idea? That's the only place left for games but it's unheated. So would the temperature changes and cold be bad?

I Almost Fixed a Stargate Rev A Board... The pics below show the error screen before I changed capacitors and the 5114 cmos ram and the D10 IN4001 diode. The CMOS Error screen told me my5114 cmos ram was bad.

I have no space for more arcade games in my house I'll inherit. It's also filled with $34,000 worth of road, bmx, and 2 mtn bikes. I wanted to buy a Craiglist Tron for $550 but can't. Now I have to settle for more arcade games strictly through MAME and MAME controllers. So I only have the 3...

My $39 ebay 100% Working Defender Sound Board didn't work when I plugged it in today... I'm asking the seller to refund me $20 for a broken Sound Board, but it'll cost me more than that to fix it. I was going through the Williams Recap Sound & Speech pdf to diagnose my board and I changed the...

How do you Order from Hobbyroms.com? Do I tell them I need 2 sets Decoder Roms for Defender, 2 sets Decoder Roms for Stargate Defender, and 4 Stargate Sound ROMS and they'll burn and have the ROM files already? Or do I have to mail them my ROMs which I don't want to do? I just figured out my...

This is a nice 32,000 sample per channel L.A. you can get for $110 Make Offer ebay and it has 16 channels! http://cgi.ebay.com/Zeroplus-LAP-C-16032-16-channel-100MHz-Logic-Analyzer_W0QQitemZ380184789071QQcmdZViewItemQQptZLaptops_Nov05?hash=item5884c7804f#ht_4505wt_1165 I got this one for $280...

Where to Get Schematics for Various Rev. Stargate Boards? Where do you get pdf schematics for various Rev B, C, & D Stargate Boards? The original Stargate Upright Drawing Set has a schematic & BOM for only a Stargate Rev A board... And where do you get troubleshooting manuals / pdfs for the...

Do Most of You Repair the Games You Own? Or do you send out the boards for repair or you let a repair shop or electronic technician repair your games? Me, I only got 3 games, and I bought enough equipment to repair my Stargate, Defender, and Multi Williams [Jamma Board] games. So I'd try...

Do You Stockpile PCBs for your games? So if your main boardset goes bad you put in your spare boardset and fix the bad boards? I'm stockpiling pcbs for my Stargate Defender and Defender. Got two complete boardsets for Stargate, but 3 main pcbs. Defender - extra sound and interface board...

What Videogame has the Fastest CPU processor? Old Stargates run on 1 Mhz. I'm wondering if a 75 Mhz Logic Analyzer is good for the fastest game out there! Thinking about getting this - http://www.zeroplus.com.tw/logic-analyzer_en/products.php?pdn=1&product_id=252

Do any of you use a Hot Air Gun? What's it useful for? Will it burn a pcb board because it's hot air? Or is this thing better to use than a desoldering gun? I'm thinking about getting this - http://store.sra-solder.com/product.php/6268/0

My Stargate board that I fried the RAM and replaced the RAM and it works has an unusual bootup bug. On bootup it says "All Systems Go" and then the next screen goes "Adjustment Failure" - High Scores Table and Book keeping Reset [see pic]. - It keeps doing this on every bootup. And on the...

I Need a Good DMM. I'm measuring newly bought capacitors from Parts Express and my $15 on sale Craftsman DMM is measuring these capacitors WAY OFF. I take a cap form the bag, and properly apply the leads to the cap and then a bad measurement - like a 1000 uF cap would register .040 nF ! Can...