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Performance Verification
4–8
1780R-Series Service Manual
23. Check Vertical Overscan
24. Check DC Restorer Shift Versus Burst
25. Check Filter DC Matching
26. Check Common Mode Rejection
27. Check Differentiated Steps
28. Check Non-Linear Waveform Distortion
29. Check Linear Waveform Distortion
30. Check Probe Input Gain
31. Check Calibrator Output Voltage for Probe
32. Check Probe Tilt and Non-Linear Distortion
33. Check Timing Cursor Accuracy
34. Check Sweep Rates and Timing Accuracy
35. Check Variable Sweep Range
36. Check Line Selection
37. Check RGB/YRGB Operation
38. Check External Horizontal Sensitivity
39. Check Differential Gain
40. Check Differential Phase
41. Check Recursive Filter
42. Check Internal Sync Input
43. Check External Sync Input
44. Check AFC and Direct Sync
45. Check Slow Sweep Duration and Triggering
46. Check Remote Sync Input
47. Check Digital Phase Shifter
48. Check Chroma Bandwidth
49. Check Vector Display Phase and Gain Accuracy
50. Check Subcarrier Regenerator