[41] Odd display problem
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04-30-2015, 10:29 PM
(This post was last modified: 05-03-2015 12:06 AM by emece67.)
Post: #15
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RE: [hp41] Odd display problem
Workaround working. Of course the surface mount version of the chip (a simple 4093) is much smaller & will fit on the LCD board. The overall current consumption is well within specs. In fact, when the calculator is off, the current in exactly the same with or w/o the workaround, so I expect the very same battery life. In a few days I'll post the schematic of the workaround and also my findings about the OS1/OS2 logic. Regards. |
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