The archive shows the diagram of a digital receiver Topfield TF5000CI STV
1) Front panel
2) Channel selector
3) decoder and DSP-Processor
4) EEPROM and Flash-Memory
5) Dynamic RAM
6) Controller CI-Interface
7) Power and stabilizers
8) The interface RS-232
9) DAC chips
10) RF modulator
11) CI-Interface
12) Audio / Video Matrix
13) Buffer elements
14) The clock generator 6 MHz
15) Buffer elements. Adaptor connector
16) Connector S-VHS