(B) Tracking Adjustment
i.
Connect oscilloscope to the test point TP3 (KA9220C) and Vref (J6).
ii.
Press PLAY button and adjust VR4 to maximum and press SKIP DOWN button to
make it Tracking off.
iii.
Adjust VR2 to get symmetrical waveform height. After adjust VR4 to center.
iv.
The result is show as below fig. 2
Fig. 2
FL8550
22
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