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How to Repair an LCD Display Redneck Style
Posted in Uncategorized.
– January 6, 2010
18 Responses
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Ah; Well, nonetheless, watching your videos makes me feel a little … dumb … at times, considering I couldn’t name anything about any of your vintage computers (even though I grew up, and was raised during the time).
Still love your videos though!! Keep em coming!
My knowledge spans a vast array of subjects, but I never intensely focused on any one area. I know quite a bit about engines, automobile systems, computer hardware, and basic electronics. I am not much for diagnosing electronics at the component level, nor am I a programmer…
I love it! that is a cool way to bring an old monitor back to life.
Woah, 19″ Acer Monitor?
I’m typing this comment on one right now! :O
Step 2.
Put that babby on an overhead projector
When you turn the monitor off using its soft off/standby button, does it also turn off the light set you made up, or must you turn that off seporately? I really like what you’ve done here, very interesting. Even though the inverter board had gone in that monitor, could you not still use the original light tubes?
have you tried sticking some foil in the back and on the corners to reflect more light toward the screen? that might help with the shadows.
cool
absolutely awesome…. funny and awesome….. and yeah right not an electronics wizard???? Pfft!
You’re not an electronics wizard? It’s like someone just insulted a hero of mine!
I would have sworn, after watching all of your videos, that you were extremely knowledgable about computers and electronics.
“RoHS” (Rules on Hazardous Substances) has really put a crimp on electronics… manufacturers now have to use less durable but more environmentally friendly materials.
Another thing, CRTs suddenly took a nosedive in longevity (televisions, mainly), around the turn of the century. This is why I’ll hang onto my 1992 Panasonic 27″ as long as possible; it still works perfectly after 17 years! And what happened to rear-projecton televisions? the convergence chips fail after just three years on almost all makes and models… this is a bad sign of things to come. Apple, on the other hand, is going in the other direction…
Honestly, we can build anything to last any length of time; it seems manufacturers have intentionally designed their products to fail by using lower-than-spec components, and under-building power supplies. Remember, older laptops (pre-1998 or so), were built like tanks, and the LCDs would shine bright for DECADES! Once the LCD panels became a desktop commodity, suddenly, the inverters began popping, one by one.
That’s one thing about flat panel displays: their true long term durability is unproven. Any decent CRT can last for decades; as of yet we can’t say the same about LCDs.
This is true, but unfortunately, when the inverter fails, there is often no warning. This particular monitor had a failed inverter, and was knocked off a desk (double whammy!)
A pink LCD usually just needs a new backlight bulb. Not sure what the larger ones cost, but 10-12″ laptop sizes are just $10-30.
Thanks for the video! Ironically, I was just about to put my dead generic brand 19 inch LCD to scrap, but this would make a fun project just for the hell of it =)
I would never have thought of this – keep the videos coming, I enjoy them all!
I noticed when the backlight panel is getting ready to burn out, it will glow in a pink color. Sometimes the pink will change to its white, but when you start seeing pink on an LCD, you might as well scrap it. The light panels are supposed to last at least 70,000 hours; sadly, some go out faster than that.