File:Alps integrated dome -- Alps mount square -- disassembled.jpg

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Alps_integrated_dome_--_Alps_mount_square_--_disassembled.jpg (320 × 240 pixels, file size: 13 KB, MIME type: image/jpeg)

Description Square Alps mount Alps integrated dome switch, disassembled
Source mousefan.telcontar.net/image/ricohten.htm
Date 2003-10-05
Author MouseFan
Licence For public, non-commercial use at Deskthority; used with grateful thanks­
Comments The IC reads "813BS" and not "8138S" (SN74159N date codes end "BS" or "DS" and have three or four digits); therefore this is not a pre-SKCL Alps mount example, nor does it contradict all other evidence of 12K to 56AAA PCB code transition); the chip itself is a decoder/demultiplexer, not a microcontroller

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Date/TimeThumbnailDimensionsUserComment
current14:23, 21 January 2025Thumbnail for version as of 14:23, 21 January 2025320 × 240 (13 KB)Maintenance script (talk | contribs)== Summary == Importing file

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