Recent content by CamInTosh

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    MacSE analog board issue – squished video, flyback overheating

    Wanted to update earlier, just things kept coming up... It's all fixed. I replaced BU406 (which DID have that purplish burn mark on the flyback cage), as well as the things I deemed "1 electrical connection away" (and also connected THROUGH the flyback)... for example, R18, Q4, Q5, etc. But...
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    MacSE analog board issue – squished video, flyback overheating

    Thanks for the sanity check JDW. Looks like I have some homework ahead of me! I’ll test it out and also check out the rest of the connections via the schematics. Thanks for the reply!
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    MacSE analog board issue – squished video, flyback overheating

    I have a followup I can't find / missed in the PDFs. I've got everything cleaned up and re-soldered with new parts. But I'm curious about BU406 (Q2). The Base connects to resistor R18. The Emitter to ground. On my board, both ends of R18 have continuity through that resistor. And one end...
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    MacSE analog board issue – squished video, flyback overheating

    I'm so embarrassed... I have all of the PDFs mentioned, but I was in "panic mode" and decided to reach out before consulting the books! But I also prefer the extra personal confidence from talking to people! Having said that, I see what Larry is saying about Q2 and CR2. To me, the last...
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    MacSE analog board issue – squished video, flyback overheating

    Hi everyone, lot of info I'll try to break down. This is a new acquisition I've had for about a month now. Current Problem Screen shows lightning/static, then suddenly compresses and darkens (“squish”) – see video and photos. Now: no picture, burning smell around flyback. Hardware PSU...
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