513 Adjustment Of Highvoltage Supply

a. Connect a Model 11044A 100:1 Voltage Divider to the DC probe of a Model 410B Voltmeter.

b. Set Voltmeter to 3-volt -DC range.

c. Set the Voltmeter Calibrator for -300 volts DC output, and connect divider tip to the output.

Figure 5-1. Component Locations, Top View

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Figure 5-1. Component Locations, Top View

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d. Set the gain adjustment of the Model 410B (located at the rear of the instrument) for a reading of exactly 3 volts.

e. Set the Voltmeter to the 30-volt range, and measure the high voltage supply. This may be done at the junction of R351 and R352.

f. Set High Voltage Adjust R319 for -2350 volts.

g. Recalibrate the Model 410B.

b. Set INTENSITY to 10 o'clock.

c. Adjust Intensity Limit R312 until spot is just extinguished.

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