Question about JBL escXcite System

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Something is wrong

The sub/amp of my JBL escXcite 5.1 surround sound system, is showing the 'on' light when the power's on, but isn't recognising any input. None of the other LED's (the volume, etc) are coming on, whether I press the buttons on the sub, or use the remote.

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5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: I have a jbl eon g2 and used it at 1pm and then at

There is nan internal fuse right behind the board were you plug the power cable in. You have to split the cabinet to replace.

Posted on Aug 30, 2009

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  • 1 Answer

SOURCE: the fuse keeps burning out in my jbl sub 10, even

poor design, the amps that are screwed to the heat sink are below a transistor which is catching all the heat,heat rises and changes the bias of the transistor so high it causes runway in circuits that results into failure also the amplifiers are sealed with no air flow, this can't be good.Maybe if they put air vents or remove the cover to panel then the heat will have somewhere to go instead of just building up inside.If this problem is not fixed a replacement is going to fail too.good price bad design.

Posted on Sep 02, 2010

dunnbiker
  • 8546 Answers

SOURCE: i just bought a jbl

Didn't it come with a manual?

Of course it needs external electronics to provide sound sources, controls, bass management AND amplification for the other speakers. It's just a sub.

Posted on Mar 21, 2011

carlos_www
  • 8 Answers

SOURCE: JBL Sub 12 continues to make clicking noise

I had the same problem and fixed it by replacing the C37 capacitor (see service manual). It was a 47uF 16V eletrolitic capacitor. No external signals of problems, but it was defective according to the capacimeter. I replaced it because it was the part responsible to retain charge and keep the voltage up in the signal sensing circuit (a simple comparator). After the signal gets low or disapear, it would slowly discharge through a 10Mohm resistor (R121).
Replaced for a 47uF 25V eletrolitic capacitor.Everything went back to normal.

Posted on Oct 26, 2011

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1 Answer

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Fuses blow when something is shorted. In this case it will be a semi-conductor of some kind. If the device uses IC for the main amplification then you are right to be worried!

The 158 amp is totally unsuitable for the JBL.
This is the specification of the JBL:
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I guess you didn't get the owner's manual, huh?

http://www.jbl.com/HI-IN/Products/Pages/ProductDetails.aspx?PID=SCS200.5BK/230

Where are the amplifiers in this scenario?

Page 8: The sub needs a subwoofer Line Level pre-out from an AV Receiver or multichannel processor. Though not elaborated on in the manual, the L and R Line Level RCA connections are probably for use if you lack a Sub Out feed. Running L and R from your receiver would allow the sub to derive a Sub Channel.

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Pasge 9: Alternate method if your eelctronics lacks a volume-controlled sub pre-out. This method routes only the front speaker level power to the sub so it can extract something resembling an LFE channel, then it routes speaker wire out to the front speakers, not as an audio power source but simply as a pathway.

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