Maintenance for M20 Upstream
Date:
Monday, May 22, 2023
Synopsis:
M20 IG controllers' cards repaired
Equipment/Beam Line:
Description:
All 7 of the 50V 150 \mu F electrolytic capacitors on each of 9 varian Multigauge BA-IG controller cards (in 3 Multigauge controllers) has been replaced. Many were failing, two cards were non-functional. All 9 cards tested ok after repair work by E-Dev (HH). Replacement part Nichicon UHE1H151MPD, Digi-Key Part Number 493-1607-ND.