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iv
WFM 90 and WFM 91 Service Manual
Figure 6–23: Flowchart for all white display 6–43. . . . . . . . . . . . . . . . . . . .
Figure 6–24: Flowchart for untriggered waveform display 6–44. . . . . . . .
Figure 6–25: Flowchart for unlocked vector display 6–45. . . . . . . . . . . . . .
Figure 6–26: Flowchart for vector display jitter 6–46. . . . . . . . . . . . . . . . .
Figure 6–27: Flowchart for distorted vectors 6–46. . . . . . . . . . . . . . . . . . . .
Figure 6–28: Flowchart for problems with the instrument controls 6–47.
Figure 6–29: Flowchart for bad menus in the picture display 6–48. . . . . .
Figure 6–30: Flowchart for dim or blotchy display 6–49. . . . . . . . . . . . . . .
Figure 6–31: Flowchart for bad displays except Picture mode 6–49. . . . . .
Figure 6–32: Circuit board connector and pin locations 6–50. . . . . . . . . . .
Figure 8–1: Exploded view 8–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 9–1: Interconnect diagram 9–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .