April 23, 2024
Williams Solenoid Lamp Driver Board Pinball MPU CPU 3 6
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- Sold Date
- Source eBay
Williams Driver Board This auction is for an untested Williams Driver Board for early (System 3 - 6?) solid state electronic pinball machines. I don't have any machine or test fixture to test it in, so it is being sold as-is, as pictured, with no returns. I have looked at this board carefully and it is not missing any transistors (one was cleanly replaced). The 27 ohm resistors in the lamp matrix column (that always burn up) have been replaced with 5 watt flame resistant resistors. I consider this a good sign that this is either a working or a salvagable board. Other than the one transistor and the resistors previously mentioned, this board appears to have had no other work done on it. The back side of the board looks really clean. Ask any questions before bidding. Shipping within the United States is $9.50. Payment via PayPal, cashier's checks, or money order accepted. I will be out of town until April 27, 2007. Board will be mailed on April 28, 2007.
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