NP-41 Emulator (may be)
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12-21-2017, 01:30 PM
Post: #337
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RE: NP-41 Emulator (may be)
(12-21-2017 07:21 AM)Massimo Gnerucci Wrote:(12-21-2017 04:25 AM)Chris Chung Wrote: Key need force to register is more likely a hardware problem. Firmware update may not fix it. Could try rework the solder joint. Can test by jumping a piece of wire between the two ends of the button. A paper clip also works. The only addition on the newer firmware is having "clear ROM spaces" in the cold-start screen. I.e. hold down TAN key while inserting battery. Not sure how useful, but it could help for those units that got locked-up at MEMORY LOST. Use bootloader to replace firmware would be something I would try 1st to rescue locked up units. Key registering and display no show issues would most likely be hardware related. Did you try to use a metal paper clip or similar method to test the problematic key? Are you going to get a "solder-man" to help you out? If it's confirmed (i.e. paper clip works), a re-solder would be the next step. If that doesn't solve the problem, it may be a bad button anyway, I can mail you spare buttons for repair. Or I can swap your unit w/ another one (need to give me time). |
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