Datasheets, service manuals, circuits, electronics, components, CAD

https://www.radioradar.net/en/service_manuals/videotechnics_circuits/openbox_x610_en.html

Schematic circuit of STV tuners Openbox H610 / X620

The archive shows the circuit of a PTS tuners Openbox H610 / X620:

1. Tuner. Interface RS 232. Food Chains

2. Memory Flash and SDRAM

3. The controller interface CI

4. DSP-Processor

5. Audio- and videoswitch. RF modulator. SCART connectors and RCA

6. Interface SMART-Card