Zanussi 22ZT907 Service Manual page 31

This p.c.b. performs the following main functions:
transmitted during the vertical blanking interval;
memory (CI 11 and CI 12);
6);
in memory (CI
forwarded to the CRT (CI
set synchro. separator when teletext information is diplayed.
The p.c.b. is supplied with +5V and +12V.