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Author
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Topic: Help with a part for CFS ESP-3 Platter
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Sandie Caffelle
Film Handler
Posts: 24
From: Herefordshire, UK
Registered: Feb 2002
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posted 03-07-2002 05:28 AM
Hello MattWe've got some in stock if you can't find them elsewhere. I'm just thinking that if you can find somebody closer geographically it would help you with carriage prices. Sandie Caffelle Jack Roe (CS) Ltd UK
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Sandie Caffelle
Film Handler
Posts: 24
From: Herefordshire, UK
Registered: Feb 2002
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posted 03-07-2002 08:05 AM
Matt,The stock we have at the moment is the "whole shebang". We may be able to get the component parts for you if necessary. Give us a call if you need to discuss +44 1989 567 474 or email: sales@jack-roe.co.uk Sandie
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David Stambaugh
Film God
![](http://www.film-tech.com/ubbmembers/1102d.jpg)
Posts: 4021
From: Eugene, Oregon
Registered: Jan 2002
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posted 03-07-2002 12:41 PM
Williams used infrared LEDs and photo transistors to replace mechanical switches in ball troughs in all pinball games manufactured from Indiana Jones in 1993, right up to the last game they made in 1999 before leaving the business. These opto switches were also used off and on for things like ramp entry switches. The LED output is infra-red, so it's not visible to the naked eye. Radio Shack and other electronics sources have special cards available which you hold in front of the LED and they allow you "see" the light. Radio Shack sells infrared LEDs that seem to work in this application, but I could never get their photo transistors to work in the Williams circuit design.Here's a photo of the Wms parts: The IR LED is on the left, photodetector is on the right (disregard the PC boards they are mounted on). The parts are about 4mm across and 9mm high. If these look like they might be right, the Williams part number for the LED is 138019-001, "LED,IR,RED,940NM,TO-18 - HOOP". The photo transistor receiver is 138026-001, "PHOTO DETECTOR,DARLINGTON OUTP". Any amusement games distributor who handles Williams stuff should have these in stock. Another source is Pinball Resource, pbresource@idsi.net . Sorry I don't know what the generic part numbers are. ------------------ - dave Look at this! His chin strap has been cut!
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