Phase Code for Accurate VCR Alignment

Sometime during the video club operations recently an anomaly was noticed: on VCR7 BR-S800U the ideal position for tracking was off-center. Actually, multiple commercial tapes exhibited better tracking meter values for adjusting the tracking knob about 1/3rd in tracking+ direction. Because the A/C head alignment was known to be reasonably good but X-value was never adjusted before now, I assumed…