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Station X · 25th May 2020, 5:37 pm

C57 is the anode decoupler for V5a and is wired between ground and the junction of R36/R24. 0.1uF would be a sensible value, but there may have been changes during production.

Are you sure you have the correct capacitor? Check the colour code of the two resistors it's connected to.

25th May 2020, 5:37 pm	#23
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,289	Re: Stella 239U. Capacitor ID. C57 is the anode decoupler for V5a and is wired between ground and the junction of R36/R24. 0.1uF would be a sensible value, but there may have been changes during production. Are you sure you have the correct capacitor? Check the colour code of the two resistors it's connected to. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.