Search found 2 matches

by yannlu
Tue Mar 21, 2017 5:03 am
Forum: JLM Audio Kits
Topic: LA500A opto comp leveling amp BUILD THREAD 500/51X
Replies: 170
Views: 140287

Re: LA500A opto comp leveling amp BUILD THREAD 500/51X

HI Yann Looking at your photos you are correct the cable between the BIO500 and LA500SC pcb has one end on wrong. This should not be able to happen as we have 100% testing but the guys seem to have had a few wrong ones slip past so we will have to review the cable testing again :-( So you can power...
by yannlu
Sat Mar 18, 2017 1:16 am
Forum: JLM Audio Kits
Topic: LA500A opto comp leveling amp BUILD THREAD 500/51X
Replies: 170
Views: 140287

Re: LA500A opto comp leveling amp BUILD THREAD 500/51X

Hello, I just assemblied my first LA500A kit but I had some issues with it by testing: 1. The LA500SCv3 was not properly power supplied. 2. So I checked the voltages from the cable (BIO500 -> LA500SCv3) and indeed the end was inverted... 3. Then I took the other cable (LA500SCv3 -> LA500POTv4) and t...