Randy's (of Fix That Calc) recommendations would carry the most authority and promise for success. Even this site's museum shows, AFAIK, no photos of what is likely the more common later internal configuration. Most descriptions of Voyager disassembly assume that the early internal configuration is what will be found.
This difference makes some display or keyboard repairs that are possible on one version impossible or very challenging on the other. The later models (after 1984?) utilize a much less complex configuration in which the logic and display and keyboard are all constructed on one large PCB. The disassembly procedure in the thread referenced just above applies to the early models of the Voyagers in which the logic and LCD assemblies may be separated from the keyboard assembly. Message #6 Posted by Mike Morrow on, 11:48 a.m., I don't know what foreign substance is causing the stick. I guess I will "dive in" to the distilled water solution. In response to message #4 by Etienne Victoria To clean the keyboard: I use Randy's steps: here. To disassemble a Voyager: I use the excellent procedure from Luiz: here. Message #4 Posted by Etienne Victoria on, 10:06 a.m., In response to message #2 by Ernst Fueloepĭo NOT use a ultrasonic cleaner on a Woodstock keyboard as this will fragilize/erase the keyboard markings.Ī procedure that works (I use isopropyl alcohol) can be found Message #3 Posted by Etienne Victoria on, 9:49 a.m., Would this work? Is there no danger in damaging the keyboard? I would open my woodstock which has some keys which needs to be pressed very strong to be recognized and put only the keyboard into the ultrasonic cleaner. I have no idea to solve your problem except maybe opening the HP-15C and cleaning the key contacts.īut I would like to know if the idea to use an ultrasonic cleaner would be appropriate to clean the keyboard of a woodstock calculator? Of course, only the keyboard not the entire machine.
Message #2 Posted by Ernst Fueloep on, 9:23 a.m., Hmm, maybe my dentist would let me borrow his water pick :) Would anyone suggest soaking the calculator in heated (not boiling) deionized water below the LCD? I could then heat/dry with a hair drier. I do not have access to an ultrasonic cleaner. Technique While the alcohol was liquid, the keys didn't stick. I tried the alcohol drop with homemade brush technique to clean up about 7-8 stick keys. HP-15C Sticky Keys The Museum of HP Calculators
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