Question about JBL ESC200 Shelf System

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Amplifiers esc200 no audio,but the LCD screen has power

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Hi! The fact that the LCD has power implies that the fault is in the Power Amp-Speaker stage.
Check 1: Check that your speakers are connected to the amplifier output properly.
check 2: If connection is proper check for power on/power off blips. If blips are heard the Power amp /speaker stage is ok .
check 3: If power on/off blip is heard then you have to check the source stage i.e CD/radio etc
Check 4: if blip is not heard. Disconnect the speaker and try with another. eliminate the case of a blown speaker by testing speaker on another system.
check 5: if speaker and source are ok. Treoubleshoot the amplifier Power supply stage with the followinghttp://www.howtodothings.com/electronics/how-to-fix-the-fuse-on-your-guitar-amplifier
check 5: if the power supply to power amp stage is ok troubleshoot the power amp stage with this guidehttp://www.howtodothings.com/electronics/how-to-fix-your-guitar-amplifier
If you still face problems feel free to contact me

Posted on Dec 13, 2008

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