Question about Dell 1503FP 15" LCD Monitor
There three leds on the front panel, the power led and a 1 and a 2 numbered led. when the adapter is plugged in the monitor will come on, without pressing the power button. The one and two leds will alternate a couple of times, then the one led will stay on steady. The monitor will work for a little bit and then shut off, all leds off. Monitor displays the test pattern when working.
Hi Mark, Thanks for the suggestion but unfortunately every component on the board is surface mounted. Nothing looks burnt out or dry though. I havent used the screen for at least a year. I just turned it on and now all that happens is that the two led's on buttons 1 and 2 come on and stay on. there is a breif flash from the back lights, and thats it. Any more suggestions?? Matt
Posted on Apr 08, 2008
You both have a collection of dry solder joints and or bad capacitors. Check for any sign of buldging capacitors on the power supply board and replace as needed with the exact same values.
The dry joints in the solder are normally around the larger items on the board like transformers etc and places that alot of heat builds up. Check the regulators and other area's near there, and also check areas that sit above them when the monitor is in normal operating mode..hot air rises..too bad electrical engineers work on flat screens =)
Good luck to you both.
Posted on Apr 08, 2008
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Posted on Jan 02, 2017
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