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How to Repair Computer Keyboard Interfaces

Need to repair a computer keyboard interface? Here is a collection of free take apart instructions, disassembly pictures, upgrade and repair manuals, as well as do-it-yourself (DIY) tips and tricks for computer keyboard interfaces.

If you have written a free guide yourself (or if you know of a report not linked here), please submit a new entry.



Apple Desktop BUS - ADB [external link]Repairing the ADB and fixing the fuse.
IBM AT/PC [external link]How to attach an external IBM-AT/PC keyboard to a Palm III PDA (in German).
SUN Keyboard [external link]Mouse and keyboard schematics for 15 PIN DSUB FEMALE (SUN3s and older) and 8 PIN MINI-DIN FEMALE (3/80 and Sparcs) connectors.
SUN Type 4, 5 Keyboard [external link]RS232 (DB9) to SUN keyboard connector and voltage converter, includes schematics.
SUN Type 5 Keyboard [external link]How to attach a USB connection as a replacement for AT or PS/2.
SUN Type 5 Keyboard [external link]SUN keyboard to PC serial port adapter: Many people have dreamed having their SUN Type 5 keyboard attached to their Linux box up to now. And with this adapter, it is finally possible. Because the standard SUN keyboards use TTL RS232 at 1200 bps to talk to the SUNs, it's very easy to make them talk to any non-SUN computer by converting this to true RS232. All what you need is a MAX232 chip that'll take care about the correct voltage levels, and also some chip to invert the signals, since the MAX232 inverts them as well, and we don't need this. This all easily fits into a 25-pin serial connector.
miscellaneous keyboards [external link]Schematics for keyboard connectors: DIN (5 pins), PS/2 (6 pins), RJ-11 (aka phone plug, Westernstecker) (in German).
miscellaneous keyboards [external link]PS/2 mouse and keyboard fuse repair.
N.N. [external link]Modifying a Logitech PS/2-Cordless Keyboard/Mouse to USB.
Trust XpertTouch KB-2900 WireLess Media Center Keyboard [external link]Improve the range of your wireless keyboard or mouse. How to use a 2.4GHz WLAN antenna to extend the range of a cordless keyboard.
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© Werner Heuser 2005-2011 · http://repair4keyboard.org/disassembly_keyboard_interfaces.html · last change Wed Mar 19 2008