HP Forum Archive 18

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HP 48S Schematic ? Message #1 Posted by Thomas Chrapkiewicz on 6 Mar 2008, 9:41 a.m. Hello: I've posted to the newsgroup, but thought I'd try here too: Has anyone developed a schematic for the HP48S/SX? I've relied on the fine HP48G schematic that Mr. Flipse has done, but have found that a HP48SX (sn3229S...) has significantly different pc layout and components that the HP48G. This HP48SX has a Saturn IC that is not in a conventional plastic Quad Flat Package - it is some type of non-square chip carrier type package. I would like to relate these pins to the pins of the QFP used in the HP48G (in particular, the 'ON'' key input.). Any other details on the HP48SX Schematic/PC layout would be appreciated. Regards, TomCee

Re: HP 48S Schematic ? Message #2 Posted by Thomas Chrapkiewicz on 9 Mar 2008, 11:07 a.m., in response to message #1 by Thomas Chrapkiewicz As there has been no response, I presume either: 1. This has not been done. 2. There is no interest. 3. Perhaps both of the above! If there is any interest, please let me know, Regards, TomCee

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