HP 16500B manual Static Convergence

Calibrating and Adjusting

To adjust focus, landing, and convergence

Static Convergence

1Temporarily disconnect the power from the instrument.

2Remove the PC board shield cover from the rear of the Color CRT Module by prying evenly on all four sides.

3Reapply power.

4Display the white, cross-hatch test pattern on the CRT.

From the Color Display Test menu, select the white, cross-hatch pattern.

5Preset front panel brightness control, the top of the two controls to the left of the display, maximum clockwise.

6Preset front panel contrast control, the bottom of the two controls to the left of the display, to the mechanical center.

7Check the four dots which are located around the center intersection of the cross-hatch pattern for coincidence of the blue, red, and green dots. If the dots are not coincident, adjust H.STAT (RV703) located on the rear PC board to obtain horizontal coincidence and V.STAT (RV803) located on the bottom PC board to obtain vertical coincidence.

V.STAT

Center dot

H.STAT

Due to interaction, the BEAM LANDING will need to be readjusted if either the H.STAT or V.STAT adjustments are made. Once the BEAM LANDING is re-adjusted, repeat step 7 above if necessary to obtain the center screen coincidence of the dots.

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