How to get into the service menu of a Sony Trinitron

After changing the settings in the service menu you have to push Mute then Enter on the remote to save the changes.
I show you how to pull up the service menu on 2 different model Sony Trinitron. It is the same for getting into both models using the same method. KV-13M42 and kv-20fs100
Check out my Facebook page
https://m.facebook.com/groups/1270643529980118/?notif_t=group_milestone¬if_id=1603800414117976&ref=m_notif

Service manual for Sony Trinitron KD-27FS170
https://www.manualslib.com/manual/824494/Sony-Trinitron-Kd-27fs170.html

Service Manual for Sony Trinitron KV-20FS100
https://www.manualslib.com/manual/831771/Sony-Trinitron-Kv-20fs100.html

Service Manual for Sony Trinitron KV-13M43
https://www.manualslib.com/manual/948213/Sony-Trinitron-Kv-13m10.html

Видео How to get into the service menu of a Sony Trinitron канала Joe's Retro World