techknight's latest activity
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Please can you read through and vote on the following proposition for changes to the board structure by clicking here.
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techknight replied to the thread Who Am I... The Power PC Performas.I kinda wonder if it should just be "Power Macintosh" consolidated at this point, with the split being only old world/new world? -
techknight replied to the thread Advice wanted: epoxy replacement on flyback.Not only that but audible ringing. if the core is loose, it'll vibrate at the line frequency as well as all of the harmonic/fundamentals...
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techknight replied to the thread Fixing a Macintosh Portable - What worked for me.It absolutely was a flaw, and what I find even more interesting is some portables do this, while others do not. I think its crap getting...
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techknight replied to the thread Fixing a Macintosh Portable - What worked for me.I have occasionally had to bypass the high-side load switch MOSFET for the sound circuitry because it gets noisy if not, 12V hovers...
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techknight replied to the thread Cracked Hinge on Mac Portable.I dont remember, been suffering cognitive decline since covid. I do know it broke free once, it cant get a good bond on polycarb. I had...
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techknight replied to the thread Cracked Hinge on Mac Portable.I do want to update this thread, that this issue has become a common problem. Had a prototype portable brought to me for repair, same...
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techknight replied to the thread Cracked Hinge on Mac Portable.I mean, they are supposed to be stiff to hold up the weight and torsional forces of the entire upper display assembly, but they arent...
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techknight replied to the thread Backlit Portable 5126 — Is your backlight this dim?.I don't remember. Been too long ago. Pretty sure it backfeeds the supercaps. Not really supported, but i suppose it works all the same.
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techknight replied to the thread Backlit Portable 5126 — Is your backlight this dim?.Problem with comparing against photos are the 40 years of technology gap in between, including photography and lighting. Apples to...
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techknight replied to the thread Cracked Hinge on Mac Portable.Very. I have run into it multiple times, and its because the hinges get stiff. 2 reasons. the hinge plastics shrink a bit, causing the...
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techknight replied to the thread Backlit Portable 5126 — Is your backlight this dim?.That backlight level is normal from what I have seen. Mine is like that, all of the ones I have worked on are like that. Flickering is...