OK, thanks :thumb: Looks like I'll just have to play around with it for a bit, give it a couple of months and I might even get it to work!!! :p
it's a 7440A colorpro plotter from HP, Serial connection (RS232) Win98 seemed to have correct drivers, but when I try to plot something (even the...
hi, i've just done some clearing up in my loft and found an old hp 7440 plotter. I thought it might have been fun to try and get it up and...
could try checking the rest of the psu..especially the driver transistors!! here's a useful link: http://www.nutsvolts.com/PDF_Files/PSRepair.pdf...
Oh well, looks like it's back to the 'searching for schematics' again... thanks anyway for posting on this year-old thread!!! :thumb:
I was thinking more along the lines of getting a block of copper, milling some kind of canals in it and then covering the top with a piece of...
I know I'm almost a year late but I'll still give it a shot... Any chance you could tell me what the value is of R37 on the pcb?? it seems to...
I'm thinking of making a waterblock for my hdd... I'm just not sure what kind of design to make for it; any tips??? (I already made 2 waterblocks...
OK i think i've found the problem...seems to be the two driver transistors that have shorted out. still looking for the value of R37 though!!!...
Could anyone tell me where I could find the electronic schematic for this PSU? A few days ago it shorted out and I'm trying to find what went...
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