Saving Space Shuttle pinball tech dvd, NO RESERVE!

This dvd features a Williams system 3-11 board test fixture built by Ed Cheung, an employee at NASA.  Later in the program we see Ed’s fully restored Space Shuttle, featuring a playfield which he clearcoated.  Systems 3-11 included a wide range of games, ranging from World Cup to Monster Bash, and even a couple of redemption games, like Ticket Tac Toe and a few puck bowlers, like Alley Cats.  Ed demonstrates the test fixture, featuring a microprocessor which he programmed himself.  The fixture can diagnose the lamp matrix, among other components of the CPU.  The fixture features a score display emulator, with a built in voltmeter. Ed points out the strobes which control the data lines to the display.  He also demonstrates the sound diagnostics and mentions high voltage display troubleshooting. Then he demonstrates how to test a CPU board, showing which switches represent the coin door, the solenoids, and switch tests. Ed points out sections of the MPU board, including the lamp matrix section, the solenoid driver section, the CPU core, and the audio section, including the audio amp. 

The second half of the dvd shows Ed’s Space Shuttle pin which he clearcoated himself.  Ed shares some playfield restoration tips, such as strengthening the Space Shuttle’s wings, and we get to see the boards inside the game and get a couple of restoration tips there too, such as replacing the old ni cad with a remote battery pack to protect the CPU against corrosion, added fuse modifications to protect the power supply and even properly grounding a CPU.  

Ed also touches on the history of some of the playfield art and some playfield restoration tips.  We also take a look at the famous Space Shuttle coffee table!  

All my dvds feature easy to navigate main menus and animated menus.

64 minutes total running time.

International orders welcome basically anywhere the US post office delivers. Shipping is extra outside the US. To get a shipping quote, http://www.usps.com.  This dvd set packaged for shipping weighs 6 oz, leaving from Richmond, VA 23229 to your address, $2.25 first class to anywhere in the USA. 

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