
Connect
Safety
Ground
to
E1
GND
Stud
Turn ON power to the HVPS with Aux Circuit Breaker CB2, Only
The Main Circuit Breaker must remain OFF during this adjustment!
Set filament pre-heat setting to Zero, with either RS-232 GUI or Analog Control
Select Large Filament and Enable Filament.
Set Max Limit Current for the Large Filament, with either RS-232 GUI or Analog Control
Starting from zero current slowly increases filament large pre-heat setting and at the
same time monitoring the actual current (from the digital multimeter). Never exceed
maximum tube current!
Increases actual filament current till 10% below the maximum filament current as
specified in the tube data sheets.
The actual filament current and the monitored current that is read by either GUI or
Analog Control should be within 1% tol. If reading is not at spec, readjust R53 (LARGE
FIL I CAL) on Filament/Feedback XRV PWB 460158-XXX.
Turn off the filament.
XRV SERIES
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118116-001 REV C