Search found 2 matches

by Dolbah
Sat Nov 06, 2021 9:42 am
Forum: JLM Audio Kits
Topic: LA500A opto comp MAY 2021 BUILD THREAD 500/51X
Replies: 108
Views: 186403

Re: LA500A opto comp MAY 2021 BUILD THREAD 500/51X

I just built two of these units, and all seems fine. But, I am not able to get any reaction on the VU needle when turning the "Meter 0 VU" trim pot. This applies to both units, I also tried to switch to GR and tested the GR pot, but still no reaction. I also tried putting the jumper over to "match"...
by Dolbah
Sat Nov 06, 2021 8:30 am
Forum: JLM Audio Kits
Topic: LA500A opto comp MAY 2021 BUILD THREAD 500/51X
Replies: 108
Views: 186403

Re: LA500A opto comp MAY 2021 BUILD THREAD 500/51X

I just built two of these units, and all seems fine. But, I am not able to get any reaction on the VU needle when turning the "Meter 0 VU" trim pot. This applies to both units, I also tried to switch to GR and tested the GR pot, but still no reaction. I also tried putting the jumper over to "match" ...