Question about Jl Audio 300/4 Car Audio Amplifier
Lost the output of the right rear channel...would like to fix it my self if possible.
These are very complex amps that mainly use surface mount components. This amp has 4 vertical boards for the individual channels. It's difficult to work between boards and it's easy to damage the main board if you don't have good quality equipment to desolder them. If you want to learn to repair audio equipment, this is not a good starter amp. I'd suggest sending it to JL or a reputable local shop. If you're lucky, it could simply be a case of a dirty contact on a switch or a switch that's not set correctly. Try moving all of the controls and switches before sending it off for service.
Posted on Sep 19, 2007
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