Electro-Voice ELX118P

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imraneesa

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Joined 2016
Hi all,

I got the above amp for repair. I changed the bad output mosfets and few resistors. Amp coming on and playing. But each module has potentiometer on them. I would like to know the procedure how to adjust it. I am attaching the picture for reference. Thank you.
 

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imraneesa

Member
Joined 2016
The output was not showing at the output terminals. It was looking like the amp was going into mute. I turned the pot to full counterclock and then I saw clean output. I did it to both modules. So I wanted to know what is the use of this trim pots. If it is setting bias.
 
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