I need help with an hp 1503 display . It will not display data has a white screen when the vga data cable is pluge in . prior to pluging the data cable it will display the no input signal message .
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Re: hp model l1503
checked all caps and smd transistors and diodes vga cable works with other displays . no visable bad solder joints .Comment
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Re: hp model l1503
I just had an HP 1502 that was doing the same thing. Fortunately I had a spare logic board out of another one that had a bad display. After swapping it works fine. I rarely attempt to repair logic boards...Comment
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Hi!!
Yesterday I was installing a new Wifi thermostat for my domestic gas water heater model Vaillant 242/2-3, and accidentlly one wire from mains touched one wire from the thermostat output contacts. This shut off the heater so I finished installing the thermostat and then went out to check the heater
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At a certain point, moving stuff around, I put all wires back in place and...
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