Overview

The circuit on this module takes care of the generation of video timing signals necessary in the player. These reference signals have to be very accurate in frequency and timing. There are three modes of operation:

1) Stand alone.
In this mode the 5MHz crystal is locked to the 10MHz crystal oscillator.

2) Composite sync external (CS-EXT)
In this mode the 5MHz crystal is locked to the signal CS-EXT.

3) Non standard composite sync (NS-CS).
In this mode the 5MHz crystal is locked to the signal NS-CS, coming out of the sandwich part via the analog I/O module U.

If no sync signals are provided in modes 2 or 3, the stand alone mode will function automatically.

Top-view of PCB

Bottom-view of PCB