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|    sci.electronics.design    |    Electronic circuit design    |    143,326 messages    |
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|    Message 141,732 of 143,326    |
|    Don Y to Buzz McCool    |
|    Re: Repurposing TVs    |
|    19 Dec 25 14:18:47    |
      From: blockedofcourse@foo.invalid              On 12/19/2025 2:02 PM, Buzz McCool wrote:       > On 12/19/2025 11:49 AM, Don Y wrote:       >> (e.g., I used to rescue Viewsonic monitors       >> and found them to not be very good so opted for other choices when       >> larger monitors became available)       >       > That was my next question. In your experience in having seen many TVs       > at the rubbish tip, are there certain brands to avoid? Are there brands       > you rarely see with failures?              I used to think I could learn from "analyzing" the numbers of       units encountered.              But, that's specious reasoning.              If brand X sells 10 times more than brand Y, you would       EXPECT to see 10 times more brand X failures! Without       sales figures (for the local population), any observations       are out of context.              I *did* encounter a large *lot* of a particular HP       monitor with *NO* failures! This made me suspicious.       I did some research and discovered they were known to       catch fire (!).              No, I wasn't going to figure out how to fix THAT potential       problem. And, wanted to ensure no one "rescued" one of       them from the discard/recycle pile so deliberately damaged       the screens in very obvious ways.              [Another make/model had a software (? hardware??) bug       that would cause it to appear to fail. The "fix"       was a simple thing that a casual user could perform.       But, you didn't want to send something out with the       HOPE that the user would remember some "trick" if/when       it failed.]              I *can* learn about the types of failures that seem       to plague units (almost always power related; you'd       think folks would put more effort into this aspect of       the design but they only care about making it through the       warranty period -- and, customers are almost eager to       upgrade so why bother with "quality"?)              There are some devices that have nothing electronically wrong       but the design of the power switch leads to a bit of plastic       failing thereby rendering the switch inoperable (not broken;       just "not possible to mechanically operate!)              The biggest win in having access to lots of "the same"       devices is you can sort out how to repair ONE and then       leverage that knowledge to (likely) repair other identical       units. Often, just disassembling the unit (without       damaging it or disfiguring it) is a big part of the job.              [Hence the reason I have multiples of everything instead       of a *variety* of things]              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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