| Hilda Winkler <hildawinkler77@gmail.com>: Nov 06 06:10PM -0800 > It's the one under the silver heatsink. Remove the heatsink carefully because the sink will be stuck to the BGA. If you rip the BGA off the board, it's junk. > We've tried several profiles but they're hit or miss. Ideally it should be reballed or the chip outright replaced. Because of the drop in price for a new TV, we've stopped servicing this model. > I would go less on the temp, maybe 325C for 3 minutes tops. If it works, considering opening a hole in the back cover and adding a slow moving fan. after taking the over off, and visually inspecting the boards. I found five bulging caps 220uf, 25v all the same. on the main board. ordered new ones, will post if successful.. |
| Bob F <bobnospam@gmail.com>: Nov 06 09:12AM -0800 On 11/5/2020 11:29 PM, micky wrote: > Yes. That's anothr thing. One of my devices wasn't in the list of > devices. That was 5 or 10 years ago. Maybe by now it is. If so that > would make things easier, but if not, I need one that learns. Again, the Harmony remotes are likely to solve that problem. I got my first one off freecycle, and liked it so much I picked up another used for $10 or so. They are fully programmable from an online data base, so most components can be found. They can also learn. Most of the previous learning remotes I had had limited learning capacity. |
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