I've got a similar setup; Onkyo receiver and LN46A750 television. I haven't had any issues other than the blu-ray players (BD-J5100 & BD-J5700 in the bedroom). My LN46A750 is 12 years old today and the picture quality is as good as the day I bought it. I did experience the bad capacitor issue years ago that was causing it to occasionally turn itself off. Samsung replaced the power board at no charge, even though the warranty had expired.
Are you kidding me?! My HT-J5500K stopped working at June 20th, but now, 50 minutes ago, my TV/monitor T19C350ND stopped working too! It also have a reboot issue, I was watching TV and suddenly turned off, 10 seconds later it turned on automatically, and turned on again, in a neverending cycle... It's not a remote control issue. I tried pressing buttons in the remote and in the monitor, but is not responding. This TV/monitor doesn't have wifi capabilities by itself, I use a Roku for streaming. Too weird...
Well, my bd-j5100 is doing the same thing. I was thinking the unit was just old and kicked the bucket and was about to look up purchasing a Samsung replacement. Now I just want it fixed!
Last week I went to change the disc in my BD-J5700 and that same cycling probem started. The remote would sometimes allow the drawer to open, but not always. Time for dis-assembly. The power supply seems to be providing +12Volts and +3.3Volts, but there is no +5Volts for the USB or Wi-Fi (which is USB interfaced). It appears as though the +5Volts is supposed to be provided by the logic board. The +5Volt traces on the power supply board are not connected to any power output on that board, but they do go tho the logic board connector.
I am left to assume that the logic board is causing the loss of +5 as a way to reset the USB devices. It clearly would not be able to receive any updates to correct this with no power to the WiFi board. My suspicion is that there is a piece of devious software in the logic. Why else would all of these units go south together? It could be that the device is waiting for a DVD with special programming to restore it. It spins the disc, searches for a short time, then stops and starts again.
I almost bought the same model on eBay to replace this one. I bet it would have ended up bricked like the rest of them. I could be wrong, but I have my doubts that it is a certificate issue. Some diabolical programmer that thought: “These things will never be around that long. Mr. Phelps' code will destroy them all at once! Bwa ha haaaa!”
Let's hope Samsung can provide a fix. That may not be an option...
Message from chat with Samsung support on 6.23.20:
Kimberly A., SAMSUNG Expert, 100% Helpful
7:22 PM Good day ****! I hope you're doing well. My name is Kimberly, a Samsung Expert, and a user as well. I am here to help and assist you. I'm sorry you had to experience this, there is nothing wrong with your Blu-Ray player. All users are experiencing the same. It is caused by an update from Samsung, which will be fixed by Samsung technical team as soon as possible. Kindly wait for the next update for the issue to be resolved. Again, I truly apologize for the inconvenience. (You can update it using a flash drive once the update is available) For news, discussions, and announcements about the situation, kindly monitor from this link: us.community.samsung.com
