I have found a little bit workaround. Maybe help to others.
TV control behaviour depends on some settings on Google Home, and TV's language and settings.
Preliminary infos about my test environment:
- There are two users (UserA and UserB)
- UserA is a primary user (home manager, devices owner), UserB is secondary linked user.
- Both of user have android mobile phone (OS is hungarian, GA is english)
- Devices: Sony TV, Nest HUB, Nest Mini and Chameleon Smart Home System devices
- Name of TV is „SONY TV”, TV is placed (configured) into room (Living Room) with NEST HUB.
- NEST MINI is configured into Bedroom.
My final test results summaries:
#1: TV language is hungarian, the TV can not upgrade google assistant (of course TV is up to date), or published TV profile, because its language is hungarian (google assistant does not support hungarian language). I have to switch the TV temporary english language to make the process finish. After this, it is possible to switch back to hungarian language. After this, TV will respond the ON/OFF commands under certain conditions (see later below). NEST HUB shows TV like this:
So I think, this is Sony issue.
#2: TV ON/OFF control commands (e.g. TURN OFF TV or TV OFF, or SONY TV OFF etc…) don’t work on secondary user, with linked google accounts on NEST devices, if this user switch on voice matching. I think, this is Google issue.
All of devices in home were managed by primary user. Google says, other linked users will be full access rights and they could control devices any restriction. But this is not right! There are known cases, e.g. secondary user can not delete devices owered by primary user, or can not setup NEST sensitivity etc…
#3: The „TV VOLUME SET X” or „SONY TV VOLUME SET X” command does not work well on secondary user, with linked google accounts on NEST devices, if this user switch on voice matching.. The volume is set 10 times bigger than by voice. e.g. „SET TV VOLUME 10”, means value of 100 on TV. I think, this is Google issue.
I note, „SET TV VOLUME 10 PERCENT” is working fine
#4: TV ON/OFF control commands don’t work on secondary user, with linked google accounts, on mobile phone via Google Assist (hungarian phone with english GA). I think, this is Google issue. Everything seems is fine, but command is not processed. ON/OFF commands by manual taping are not working too.
The „TV VOLUME SET X” or „SONY TV VOLUME SET X” commands by phone GA is executed as 10 times bigger values on TV.
#5: The TV volume set command does not work well on secondary user, with linked google accounts on NEST devices, if this user switch on voice matching.. The volume is set 10 times bigger than by voice. e.g. „SET TV VOLUME 10”, means value of 100 on TV. I think, this is Google issue.
I note, „SET TV VOLUME 10 PERCENT” is working fine.
#6: TV ON/OFF control commands are working via TV voice assistance independently from its language. However I note, Google Home System voice control is only working if TV language is english.
#7: TV can not receive the BROADCAST message from any NEST devices. A few week ago, it had worked. I don’t have more ideas.
#8: Controlling of Chameleon Smart Home devices are working fine from any user, from any devices independetely from Voice Maching is set or not.
Conclusion:
#1: TV On/Off control does not work on secondary linked users if secondary user has turned on the voice matching. I have switch off the voice matching and "TV ON", "TV OFF", "TURN ON TV" etc... commands work fine.
Conditions: primary user manages the home and he/she is the owner of devices, secondary user received invitation to connect to home. Primary user could use On/Off commands independenty from voice matching settings.
#2: It is mandatory to update TV in manualy if your TV language does not supported by Google Assist.
In my case, TV language was hungarian. TV was up to date, but TV profile was shown in NEST HUB as fake. Factory reset, clearing the internal storage datas and tamporary switch the language to english has resolved the problem. After google assist could be updated, you can switch the language back your language. TV will publish good profile on NEST HUB and controlling will work fine in case of primary user, and in case of secondary user if his voice matching is not set.
#3: Volume control operation depends on user voice matching settings. Secondary user with voice matching says "SET TV VOLUME 10", then 10 times volume is set on TV, i.e. value of 100 as in example. In case off turned off voice matching, the secondary user command will be okay. Primary user does not have problem. It is very interesting, that "SET TV VOLUME 10 PERCENT" command works fine on any user.
#4: I am keepoing contact with Sony. They recommend this check list:
1- Disconnect any external devices connected to the TV.
2- Unplug the main power cord of the TV, and plug it back after 60 seconds.
3- Check if your TV has the latest software version: PKG6.7165 (Help - System Information):
If not the latest, please find the below link to update the TV:
https://www.sony.hu/electronics/support/lcd-tvs-android-xf85xx_x85xxf_xf87xx-series/kd-55xf8596/soft...
4- Clear the cached data from the TV internal shared storage following the below steps:
(Home - Settings - Device Preferences- Storage - Internal Shared Storage - Cached Data - Clear).
5- Perform factory reset following the below:
https://helpguide.sony.net/tv/haep1/v1/en/############_03.html?hl=reset
6- Connect the TV to your personal hot-spot following the below:
(Home - help - settings - network - network setup - easy - wifi - connect by scan list - then choose the name of your smart-phone and enter the password).
7- If you are connecting WiFi, try wired LAN.
