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The comment that fixed my reflow technique after 2 years
Tbh I've been doing board reflow for over 2 years and always had intermittent issues with HDMI ports on laptops. Last week a guy in a repair shop in Austin watched me work and said 'you're not preheating the board enough before you hit the chip'. I was only using my hot air station at 60% for like 15 seconds. He told me to crank it to 80% and do 45 seconds of even sweeping first. Tried it on a 2017 MacBook that had been coming back every few weeks, and it's been solid for 7 days now. Has anyone else had a basic tip like that completely change their success rate? I'm wondering if I should start preheating all logic boards, even for simple cap swaps.
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riley_coleman820d ago
Seven days of no comeback is basically a lifetime in laptop repair, so congrats on finally cracking the HDMI curse. Your guy just handed you the oldest trick in the book (heat the whole thing, not just the spot) and somehow that one sentence beat two years of guessing. For simple cap swaps though, preheating everything is overkill, just don't cheap out on the actual reflow jobs.
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