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545: Difference between revisions
Vertical amp fuse S/N
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The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line. The lower bandwidth 531 and 535 retained the 6 vertical divisions, as used in most other Tektronix scopes. | The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line. The lower bandwidth 531 and 535 retained the 6 vertical divisions, as used in most other Tektronix scopes. | ||
In the 545, the distributed vertical amplifier's plate supply was not separately fused. | In the 545, the distributed vertical amplifier's plate supply was not separately fused. | ||
Shorting the outputs of the vertical amplifier to ground can cause major damage. | Shorting the outputs of the vertical amplifier to ground can cause major damage by burning out the delay line. | ||
In the 545A, there is a 150 mA fuse, F1054, preventing | In the 545A starting at serial number 29960, there is a 150 mA fuse, F1054, preventing that failure. | ||
=== 545B Vertical Path === | === 545B Vertical Path === | ||