I tried turning on my Blu-ray player recently only to discover the device was powerless. Neither did LED lights flicker nor did the disc tray eject.
This wasn't the first bit of household electronics I've had to fix. A lot of stuff is modular these days. Usually, it comes down to replacing a board. for power, process, or display. I've been able to fix a couple TVs and my oven this way. 4k Blu-ray players are still expensive so, it's good savings buying a replacement module vs buying a completely new Blu-ray player.
Looking at the way my Bluray player responded, it appears to be a power issue - so a power module board is a likely culprit.
Looking at the device opened up - There are only a couple of boards. the power cable plugs into the brown power module. The green board drives the disc.
Ok - so if we need a brown power board, how do we get one?
Most module boards will have a serial number (or a few). Just search for them.
e.g.
Other possible search strings may be the model of the device and "control board", "motherboard", "power board" or "daughter board".
A little looking around and you may be rewarded with the part you need. Ebay is another good place to look for modules by serial number.
This was unplugged of course, but I did make sure to short out the terminals of the big capacitor before unscrewing this. A screwdriver was all I needed to get this out. The cables plug in only one way, so there's no worry about plugging this back in wrong. A few minutes later, this was powering back up.
Board cost = $65
Device cost = $300
Money saved = $235
Awesome points gained = $...¯\_(ツ)_/¯
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