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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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I think I will have to replace the little rubber button switches in a car
radio - I can't find replacement buttons and I'm not sure if conductive epoxy glue would be flexible enough. Little pcb switches would do fine except that they have contact pins at their edges - is there a variety made with one pin in the centre and the other on the side? |
#2
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On Tue, 21 Dec 2004 13:26:10 -0400, "jtaylor"
wrote: I think I will have to replace the little rubber button switches in a car radio - I can't find replacement buttons and I'm not sure if conductive epoxy glue would be flexible enough. Little pcb switches would do fine except that they have contact pins at their edges - is there a variety made with one pin in the centre and the other on the side? --- Perhaps you could use domes. The periphery of the dome sits on one trace and, when flexed, the center of the dome collapses and contacts the trace beneath it, making the connection between the two traces. -- John Fields |
#3
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![]() "John Fields" wrote in message ... On Tue, 21 Dec 2004 13:26:10 -0400, "jtaylor" wrote: I think I will have to replace the little rubber button switches in a car radio - I can't find replacement buttons and I'm not sure if conductive epoxy glue would be flexible enough. Little pcb switches would do fine except that they have contact pins at their edges - is there a variety made with one pin in the centre and the other on the side? --- Perhaps you could use domes. The periphery of the dome sits on one trace and, when flexed, the center of the dome collapses and contacts the trace beneath it, making the connection between the two traces. Yup, that's work - I need some about 3/32" in diameter. |
#4
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On Tue, 21 Dec 2004 14:20:04 -0400, "jtaylor"
wrote: "John Fields" wrote in message .. . On Tue, 21 Dec 2004 13:26:10 -0400, "jtaylor" wrote: I think I will have to replace the little rubber button switches in a car radio - I can't find replacement buttons and I'm not sure if conductive epoxy glue would be flexible enough. Little pcb switches would do fine except that they have contact pins at their edges - is there a variety made with one pin in the centre and the other on the side? --- Perhaps you could use domes. The periphery of the dome sits on one trace and, when flexed, the center of the dome collapses and contacts the trace beneath it, making the connection between the two traces. Yup, that's work - I need some about 3/32" in diameter. --- Hmmm... I don't think you can get them that small. -- John Fields |
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