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Re: S3 ViRGE DX - missing red colour

I found a replacement ferrite bead from other faulty card and after a bit of soldering the graphics card is fixed. It turned out the bead was cracked in half (probably due to mechanical stress during VGA cable connecting). Red is back and I wasn't able to detect any other problems with the picture, …

Re: S3 ViRGE DX - missing red colour

Thank you all for your hints. Since I don't have my test bed assembled at the moment I went ahead with the suggested measurements and voilà, we have a likely culprit. Traces separately were OK for R, G, B; resistors were OK according to their nominal values, ferrite beads were OK for G, B, but NOK …

S3 ViRGE DX - missing red colour

I bought this nice Diamond Stealth 3D 2000 Pro (as untested), but it has an issue - red colour is completely missing in its video output: doom.jpg So far, I have ruled out my LCD monitor, VGA cable and I have also tested conductivity from VGA connector terminals to PCB. There is no apparent damage …

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