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| Identifying Flyback Replacements |
Posted by: saybur on 2024-08-31 18:03:09
I've got a graphite Apple Studio Display 17" (M6496) that flickers out at random, the image snapping to the center then slowly re-expanding over the next few seconds. This unit is on its original caps, but based on the symptom and other people's reports of problems with this model I'm assuming it's a bad flyback transformer and not something else going on.
I have next to no experience with CRTs, apart from the minimum stuff required to work safely on the 9" tubes in the compact Macs. How do y'all identify acceptable replacement flybacks? Is someone aware of a part that is a match for this monitor? Is there something else worth checking before going after the flyback? |
Posted by: saybur on 2025-03-31 08:05:11
Bumping to see if anyone might have insight into this. If there is another forum that might be worth checking that'd be awesome too, I'd like to get this thing either fixed or moved on to a new home with someone who knows more about CRTs than me. |
Posted by: Byrd on 2025-03-31 12:25:14
Find part no and replace with same |
Posted by: saybur on 2025-03-31 17:22:06
Find part no and replace with same At least what I see online suggests the flyback on this model is frequently bad so I was hoping to avoid a 1:1 replacement with the same (possibly faulty) part. Probably should have indicated that in the original question, sorry.
Maybe a better question to ask: "Are there any tricks to identifying suitable flybacks besides just looking at what manufacturers list as replacements?"
HR Diemen suggests HR 46162 or HR 46323, neither of which I've found from any place online that looks reputable. Are there other vendors people have tried with success? |
Posted by: mac27 on 2025-03-31 19:05:39
This video from a few years ago provides an overview of the replacement process, and it appears the attempt was successful. There is a blog post linked in the description as well. He used an HR 46162. |
Posted by: avgjoe451 on 2026-09-25 19:56:52
I want to follow up with this post, I have recently come into acquisition of an Apple Studio Display 17" Blueberry, and while it works for now, I have serious concerns about it. Is there a good place to get a flyback these days? Or is it no longer possible? I have also read that one can reflow the solder joints, and that can mitigate some of the issues, while others say its just the flyback breaking down. Let me know. Thanks |
Posted by: Byrd on 2026-09-25 20:11:30
@avgjoe451 a dying flyback is usually a slow process, not sudden, with symptoms like arcing/cracking, flickering/shimmering display, ticking/clicking sounds. If yours doesn't do, enjoy, and there really isn't much preventative maintenance you can do short of finding an exact replacement part (usually from eBay as a NOS part). Reflowing solder joints isn't going to mitigate a dying flyback. |
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