Apr 19, 2015
Why won't my video from yesterday load?! :(
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Why won't my video from yesterday load?! :(
OS X 10.10.3 có bản cập nhật bổ sung sửa lỗi trình điều khiển video
OS X 10.10.3 có bản cập nhật bổ sung sửa lỗi trình điều khiển video
Sau khi phát hành chính thức OS X 10.10.3, Apple hôm nay phát hành bổ sung một bản cập nhật nhỏ, mà theo hãng là nhằm sửa lỗi của trình điều khiển đồ hoạ có thể khiển máy Mac không thể khởi động được sau khi sử dụng một vài ứng dụng ghi hình video.
Bản cập nhật này có thể được cập nhật ngay trong Mac App Store đối với các máy Mac đã lên OS X 10.10.3.
OS X 10.10.3 mang đến vài tính năng mới cho…
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Apple bắt đầu sửa chữa miễn phí các máy MacBook Pro 2011-2013 bị lỗi video
Apple bắt đầu sửa chữa miễn phí các máy MacBook Pro 2011-2013 bị lỗi video
Apple vừa bắt đầu chương trình sửa chữa cho các máy MacBook Pro được bán ra khoảng từ tháng 02-2011 đến 02-2013 mà gặp phải hiện tượng lỗi về hiển thị, không lên hình hoặc thường khởi động lại không lý do.
Bắt đầu từ ngày 27 tháng 02 năm 2015, người dùng máy MacBook Pro có các triệu chứng như thông báo có thể mang máy đến các Trung tâm Bảo hành Ủy quyền Apple (Apple Authorized Service Provider)…
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Recapping the Sega 32x
My Sega 32x has had issues for a while. Originally the 2nd hand cable I bought could actually power my 32x without it's adapter. This was odd but I thought nothing of it. This most likely started the downfall of my system in hindsight. The system worked fine with it though but would freeze if I had the cable in and a power cable.
Last month when I turned it on I noticed that all video output by the device would have flickering colors/rolling video. I figured it was the cable and ordered up a new one from Racketboy. No dice.
The internet suggested it was probably the capacitors. I opened the case to see one had bulged and decided to replace it.
Poster omp from http://www.assemblergames.com/forums/showthread.php?42720-32X-capacitor-identification suggested a capacitor list but it was incorrect. The correct listing is below.
CE3 16v 10uF CE4 16v 10uF CE5 16v 10uF CE6 10v 47uF CE7 10v 47uF CE8 10v 47uF - This is the one that was bugled for me. CE9 10v 47uF CE10 10v 47uF CE11 50v 1uF CE12 16v 220uF CE13 50v 1uF CE14 10v 100uF - Mine was originally installed from the factory backwards. I think the labeling on the capacitor was just wrong because it did not function with the new capacitor also backwards. CE15 10v 47uF - This is 47uF not .47uF CE16 16v 220uF CE17 10v 470uF CE18 10v 100uF Sanyo OsCon Solid Cap (16v 100uf same physical size 8mm x 11mm) - You can find low ESR 10v/100uF caps on digikey it doesn't have to be a Sanyo. CE19 10v 100uF CE20 10v 100uF
The recapping (2 hrs) was a success and the system powered back up. The system won't function when the board is in flat though only when tilted. I believe I damaged a ground wire that goes to the cartridge daughter board but rather than fix that now I figured I'd see if the original issue went away.
The system still shows the original issue so I didn't really fix anything. I'm not sure what the leaking capacitor did, but it wasn't the scrolling/color flicker issue. See the video here for details: http://www.youtube.com/watch?v=RGPN-gaDXFQ
At this point I think it's a sync issue. I'm thinking that the composite sync coming from the console is off which causes this issue. When I plug the composite leads into the genesis directly the composite video output works but that does not use the c-sync. The 32x takes the RGB output from the genesis and the c-sync to make the resulting picture and from my understanding merge it's video with the genesis video. I believe at this point my plan of attack is to replace the genesis and see if it goes away and finally buy a backup 32x. Thoughts?
I've got a thread about it going here: http://www.racketboy.com/forum/viewtopic.php?f=17&t=41078
I have a 4 complete spare sets of capacitors available if someone else needs a set of just these capacitors to attempt to recap their own system. Shoot me an email if so!
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