It is discovered that some of Sony's Android TVs are wasting more than 40 times the specified power during standby, the cause is Chromecast

Users of Sony's Android TV 'XBR-55X850C' have reported that the standby power consumption far exceeds the specification table.

Sony 2015 XBR-55X850C / XBR-65X850C / XBR-75X850C owners club | Page 765 | AVS Forum

According to the content posted by Norwegian user eisa01 on Sony's Android TV 'XBR-55X850C', 'XBR-65X805C' and 'XBR-75X850C' threads in the forum ' AVS Forum ' that deals with topics related to home theater equipment, XBR -When I measured the standby power of 55X850C, it was '23 W', and even if the eco setting was high, it was '22.5 W', which far exceeded the standby power '0.5 W' in the spec table.

XBR-55X850C is such a model.

Sony XBR-55X850C 4K Ultra HD TV Reviewed-YouTube


Through trial and error, Mr. eisa01 discovered that when the Ethernet cable was unplugged, the standby power consumption was reduced to 0.5W as per the specifications. After receiving this information, user DoctorM pointed out the possibility of Chromecast, and it was confirmed that power consumption decreased to 0.5W even when eisa01 disabled Chromecast from the application menu. rice field.

According to eisa01's research, when the XBR-55X850C is connected to the network and Chromecast is enabled, the SoC cannot be turned off, and it consumes about 25W even in standby mode. thing.

Mr. eisa01 consumes 25W, whereas the EU eco-design directive stipulates that the standby power consumption is 0.3W when the power is off, 0.5W when in standby, and 2.0W when connected to the network. If so, I point out that it is a violation.

In addition, Mr. xela19115 said that it is not a requirement, so it is up to the OEM to follow it or not, and on the social news site Hacker News, the contents of the guidelines were different when the model was released, so it violated the guidelines. There is also a comment that it does not hit .

Sony Android TVs waste 25W in standby due to built-in Google Chromecast | Hacker News
https://news.ycombinator.com/item?id=32888844