Hi Miguel, Welcome,
the source is
BN44-00851A
ICM801 = 3S111
notice here
https://www.mundotecnico.info/viewtopic.php?t=4172
If you answer I give you my Like of Luck for what solutions but I hope yours;)
I greet you, Tobias
PD This is SSC
3 S111 (3S111), equivalent to SSC
1 311A
source contains an application circuit, maybe it will help you, notice
https://www.elektroda.pl/rtvforum/topic3370901.html
If you ask a question in the forum, always answer it, the colleagues who answer you spend your time and knowledge with the will to help you, if you are grateful, choose the best answer and give a Like to those who participated.
Thank you for collaborating in the forum and Success with your repair