SHARP ER-A460 CASH REGISTER NO DISPLAY - ANOTHER SUCCESSFUL FAILURE скачать в хорошем качестве

SHARP ER-A460 CASH REGISTER NO DISPLAY - ANOTHER SUCCESSFUL FAILURE

A customer dropped off a Sharp ER-A460 cash register for a totally dead siturtion. After some initial tests I found several high ESR capacitors and after replacing them I got the display running once again, but unfortuatly I think the firmeare has been corrupted. I can not enter any data such as setting he date, time, or pricing information. Another successful failure! If you would like to support my video efforts please consider making a donation at https://www.paypal.me/NORCAL715 Remember with your help we can keep these things out of the landfill, out of the recycle bin, and out of the E-waste facility! Thanks for watching. Thank you to these people that have supported my channel by making a donation or by having me repair your unit. Follow me on social media Facebook Instagram Twitter @NORCAL715 Email Norcal715Videos@gmail.com Dena Hamilton Paul Agbuya Samuel & Nancy Guich Dot Morgan Timothy Ritchel William Holloman Cynthia Adams Andrew Oros George Savage Graham Foral Paul Agbuya Scott Kullen (Thank you for monthly support) Philip Brown (Thank you for monthly support) Scott DuVall Christian Brenzel Russell Houtz Philip Brown Michael King Erick Pastor Robert Ettinger Christopher Cicero Heath Lasswell Timothy Ritchel Benjamin Rubio Michael Dukes Dot Morgan Casey Cane Teri DeLeo Kelly Knutson Howard Goble Diana Williams Reed Graham Christopher Wang David Ammerlaan John Johnson Shaheed Amirkhan Brett Sherry Joseph L Ozvold Sweidan Omar John Eggers Linda Kuo Daniel Pyles Melanie Branton Lisa Sklar Barry Marchant John Harper Larry Mcdonald Annette Lewis Howard Goble Hugo Tajimaroa M R Rajesh Dan Latorre Uri Cohen 00:00 Intro 00:35 The internal view 01:15 Just a bad fuse? 01:30 Some voltage measurements 02:29 STR2024 data sheet and voltage measurements 03:02 Switching regulator diagram 03:31 ESR capacitors 04:15 Cleaning Vacuum display and lens 04:43 We have a display now 05:17 The failure of the unit 07:00 Final thoughts