Amiga 1200 repaired by recapping or not











>> YOUR LINK HERE: ___ http://youtube.com/watch?v=gfuGhoOu89o

I first started working on this 1D.4 Amiga 1200 motherboard because of two reasons. The first being that there was some kind of instability in the picture while the hard disk was loading. The second problem was the RF modulator not producing any output signal. • But as often during repairs, I ran into some other problems along the way that I had to deal with as well... • Note: • It looks as if there is a crack in the solder joint on the ferrite bead at 1:07:38. I thought it was a crack at first, but it was still there in the same shape and formation ever after resoldering the joint. I also did not experience any intermittency problems at that joint. I then realized that it must be some kind of light reflection from another component on the board. The USB microscope I'm using has very bright LEDs which, due to reflection, sometimes makes it see things that aren't actually there. This is most often not a problem, but it can be a bit misleading at times. • Link to the Aminet archive that I mentioned in this video: • http://aminet.net/package/docs/hard/f... • Thread on English Amiga Board about this motherboard: • http://eab.abime.net/showthread.php?t... • The ACA1220 accelerator problems mentioned in the thread on EAB was all due to a fault in the ACA1220 card and had nothing to do with the motherboard. Therefore, this accelerator issue is not being discussed at all in this video, since the main focus in this video is on the motherboard itself. • More info on this accelerator issue can be found in the thread about this board on EAB.

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