Samsung saga continues

Samsung streak continues. This time I am a proud new owner of a dead 23″ Samsung 2333SW LCD monitor from September of 2009. Dead is a bit of an overstatement, but that’s what the previous owner told me. Since the alternative was for it to go into a dumpster, I figured worst case I get a 23″ LVDS panel to play with.  On to the symptoms: backlight seems to operate and the “connect you video source” banner is bouncing around the screen. When I do connect it, I see a brief attempt to display an image and then it’s back to gray. Time to take it apart.   Continue reading

Samsung LCD TV repair

You’d think after almost a decade of blown caps on motherboards, that the OEMs would finally take care of that? Yeah, sure. I got my hands on a Samsung LN32A330 TV, made in June 2008. Pretty much a brand new thing as far as TVs go. Main complaint- it stopped turning on. So I plug it into my trusty Kill-A-Watt meter and try to power up. I see that it’s trying to draw some current, but then shuts down. Continue reading

Hello world!

Welcome to my blog of all things electronic. Let’s start with a family picture of my DMMs.

 Left to right: ALDA M-838 DMM circa 1994; Wavetek Meterman 35XP- a handy DMM with a very annoying beep; Fluke 8842A- a high end instrument made in 1994 and still looking brand new inside (I’ll have to do a separate post on that), and finally my shiny new Agilent U1252A. You can never have too many of them- by the time you look at input current and voltage and then on the output currents and voltage, four DMMs seems like a bare minimum.