Overview
This calibration sets the clock generator on the genlock module to 4.5Mhz.
Setting up the oscilloscope
Connect the scope channel 1 to 6G1 and ground the probe on 9G2. Set up channel 1 to DC coupled, 1V vertical divisions and 500ms horizontal divisions and measure frequency.
![](https://www.domesday86.com/wp-content/uploads/2018/08/Module-G-Layout.png)
Adjustment points
Adjust coil L5001 until the clock generator outputs 4.5MHz to 6G1 as shown in the following trace (note that it is not necessary to play a disc when performing this test, but the player should be left on for 5 minutes before performing calibration):
![](https://www.domesday86.com/wp-content/uploads/2018/08/Module-G-CH1_6G1.png)