Dear all,
I'm facing a problem with a Quantum generator:
There is no way to adjust large focus. When I'm trying to modify the filament offset parameter I can't reach 300 mA and I'm stopped to 70-80 mA. Moving the slide bar over to a certain value I've got a filament exposure parameter error.
The small focus is working properly and I can easily calibrate it.
Do you have any suggestion?
Fri Apr 09 2021
Filament offset calibration
Fri Apr 09 2021Reply from SAGAX
Mon Apr 12 2021Reply from Roby69
Hi Sagax,
"follow a service manual" it's not an helpfull answer. Anyway Tks for your reply and let's get over.
Resuming my experience
working conditions:
- I've selected the "filament offset calibration" via the generator tool
- I'm working with a scope connected to TP7 on KVP Control Board A2 (AY40-003S) and ground
- a Mas Meter has been connected to A17P1-9 and A17P1-10
OFFSET CALIBRATION FOR SMALL FOCUS IS POSSIBILE; flat curve reached with 75 mA as described in Serv. manual
OFFSET CALIBRATION FOR LARGE FOCUS NOT POSSIBLE; encreasing the offset value via the sliding bar I'm reacing a flat curve with a limited value (max value measured 100 mA and/or 1.3 mAs instead of 300 mA and/or 4.5 mAs).in this condition if the control value is encreased the generator gives "Invalid Filament exposure value"
I even tried to adjust the values via the advanced offset calibration menu with a comparable resoults
Do you have any suggestion?
tks in advanced for your reply
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