Search found 7 matches

by jbjoubaud
Mon Apr 18, 2016 9:55 am
Forum: JLM Audio Kits
Topic: LA500 opto comp leveling amp BUILD THREAD 500/51X
Replies: 221
Views: 216194

Re: LA500 opto comp leveling amp BUILD THREAD 500/51X

If the meter led doesn't light the bypass relay will never operate as the led is in series with the 1k8 and relay? Swap the blue and yellow wires on the meter to see if that fixes the meter light? That doesn't change a thing Or if not join the blue and yellow wire together and see if the relay and ...
by jbjoubaud
Sun Apr 17, 2016 2:43 am
Forum: JLM Audio Kits
Topic: LA500 opto comp leveling amp BUILD THREAD 500/51X
Replies: 221
Views: 216194

Re: LA500 opto comp leveling amp BUILD THREAD 500/51X

If the meter led doesn't light the bypass relay will never operate as the led is in series with the 1k8 and relay? Swap the blue and yellow wires on the meter to see if that fixes the meter light? That doesn't change a thing Or if not join the blue and yellow wire together and see if the relay and ...
by jbjoubaud
Fri Apr 15, 2016 10:22 pm
Forum: JLM Audio Kits
Topic: LA500 opto comp leveling amp BUILD THREAD 500/51X
Replies: 221
Views: 216194

Re: LA500 opto comp leveling amp BUILD THREAD 500/51X

Hey Joe, I finally finished building my unit, here are my issues : Trying to calibrate the VU meter, the trim and balance pot don't do anything. As far as the controls (threshold, makup...), they do have an impact on what's going on on the meter(in VU and GR), but they don't have any impact on the ...
by jbjoubaud
Tue Apr 12, 2016 12:46 pm
Forum: JLM Audio Kits
Topic: LA500 opto comp leveling amp BUILD THREAD 500/51X
Replies: 221
Views: 216194

Re: LA500 opto comp leveling amp BUILD THREAD 500/51X

Did you get my email ? Hey Joe, I finally finished building my unit, here are my issues : Trying to calibrate the VU meter, the trim and balance pot don't do anything. As far as the controls (threshold, makup...), they do have an impact on what's going on on the meter(in VU and GR), but they don't h...
by jbjoubaud
Sun Apr 10, 2016 2:31 am
Forum: JLM Audio Kits
Topic: LA500 opto comp leveling amp BUILD THREAD 500/51X
Replies: 221
Views: 216194

Re: LA500 opto comp leveling amp BUILD THREAD 500/51X

Hey Joe, I finally finished building my unit, here are my issues : Trying to calibrate the VU meter, the trim and balance pot don't do anything. As far as the controls (threshold, makup...), they do have an impact on what's going on on the meter(in VU and GR), but they don't have any impact on the a...
by jbjoubaud
Wed Apr 06, 2016 12:57 pm
Forum: JLM Audio Kits
Topic: LA500 opto comp leveling amp BUILD THREAD 500/51X
Replies: 221
Views: 216194

Re: LA500 opto comp leveling amp BUILD THREAD 500/51X

Joe Malone wrote:
jbjoubaud wrote:I have a major doubt about what I did with the pot.
The manual said to link 2 of the legs but two pictures below, the legs were all soldered together. I somehow decided to go with route :|
is it ok ?


Yes what you have done in the photo is fine.

Thank you Joe !
by jbjoubaud
Wed Apr 06, 2016 10:00 am
Forum: JLM Audio Kits
Topic: LA500 opto comp leveling amp BUILD THREAD 500/51X
Replies: 221
Views: 216194

Re: LA500 opto comp leveling amp BUILD THREAD 500/51X

I have a major doubt about what I did with the pot.
The manual said to link 2 of the legs but two pictures below, the legs were all soldered together. I somehow decided to go with route :|
is it ok ?

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