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<blockquote data-quote="Jeff" data-source="post: 57676" data-attributes="member: 541909"><p>O.K., I just checked both of my JBL amps to make sure.&nbsp; As you turn on the key the red light first comes on, then fades away as the green light comes on.&nbsp; The green light stays on untill power is cut off.&nbsp; I guess it is warming up while the red light is on.&nbsp; In my manual, as yours probably does, it states: No Audio (Green power LED is lit)...Amplifier overheated...Make sure amplifier cooling isn&#039;t prevented by mounting location, make sure speaker-system impedance is within limits (see specifications).&nbsp; I can&#039;t see overheating as being the culpret.&nbsp; Do you have an in-line fuse on your power wire?&nbsp; If so it could be blown.&nbsp; I have seen before on a different brand amp where the power led was lit but no sound.&nbsp; All connections and fuses on the amp were good.&nbsp; Turns out the in-line fuse was blown.//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif</p></blockquote><p></p>

[QUOTE="Jeff, post: 57676, member: 541909"] O.K., I just checked both of my JBL amps to make sure. As you turn on the key the red light first comes on, then fades away as the green light comes on. The green light stays on untill power is cut off. I guess it is warming up while the red light is on. In my manual, as yours probably does, it states: No Audio (Green power LED is lit)...Amplifier overheated...Make sure amplifier cooling isn't prevented by mounting location, make sure speaker-system impedance is within limits (see specifications). I can't see overheating as being the culpret. Do you have an in-line fuse on your power wire? If so it could be blown. I have seen before on a different brand amp where the power led was lit but no sound. All connections and fuses on the amp were good. Turns out the in-line fuse was blown.[IMG]//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif[/IMG] [/QUOTE]

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