60 Chapter2
Adjustment Procedures
1. High Voltage Power Supply Adjustment (8560E only)
1. High Voltage Power Supply Adjustment
(8560E only)
Assembly Adjusted
A6 power supply
Related Performance Test
There is no related performance test for this adjustment.
Description
The high voltage power supply is adjusted to the voltage marked on the
A6A1 HV module. The A6A1 HV module is characterized in the factory
to ensure that the display filament voltage is set to 6.0 V rms when the
+110 Vdc (nominal) supply is set to the voltage marked on the HV
module.
WARNING To minimize shock hazard, use a nonmetallic adjustment tool
when adjusting the A6 power supply.
WARNING The following procedure probes voltages that, if contacted,
could cause personal injury or death.
NOTE Adjustment of the high voltage power supply should not be a routine
maintenance procedure. Any adjustments should be done only if the A6
power supply, A6A1 HV module, or A18 CRT (display) is repaired or
replaced.
NOTE You must perform the display adjustments after this adjustment if
either the display or HV module has been replaced.
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