Tektronix TDS 520A - Figure 6 35: Horizontal and Vertical Sync Signals

Troubleshooting
TDS 520A, 524A, 540A, & 544A Service Manual
6Ć71
J18 pin 1 (Horizontal Sync)
J18 pin 2 (Vertical Sync)
Figure 6Ć35:ăHorizontal and Vertical Sync Signals
J62 pin 1 (Video)
White Level
Black Levels
Blanking Levels
Figure 6Ć36:ăA Video Signal with White, Black, and Blanking Levels