Problems with fishman solo amp - Fishman Solo Amplifier (with )

Question edited for clarity and Capitalization.

Contact them direct and ask where their closest service centre is. Rechargeable items only last so many charge cycles.

Loudbox Mini Charge - Fishman

https://www.fishman.com > portfolio > loudbox-mini-c...
Rechargeable Battery Power (up to 18 hours); 60 Watts; 2 channels: Instrument & Microphone; Digital Reverb & Chorus; Bluetooth® 4.0 Connectivity.

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We will need the model of the Fishman you're using to advise you.

can you tell if there is a wire broken? if you know how to use a vom meter you can check to see if you have continuity if you don't then you have a wire problem & make sure that your battery is good.

That light is showing that there is power to amp in that speaker but there is something wrong with the amp or the speaker inside and nothing is coming out. You will have to troubleshoot the amp and check the resistance of the speaker to see what the problem is.

Fishman iis you best bet http://www.fishman.com

You can download the user manuals, they do have a block diagram, but the scan is pretty bad.

It may end up the person looking at it is going to need to rely upon their general knowledge.

My own suggestion is to pull the chassis out so you can work on it while powering it. And then work your way through the amp with either a signal source plugged in at the input, and with high impedance headphones with test lead ends, go through each audio stage carefully. until the fault is isolated. If it is not caps or the rectifiers in the power supply, faulty ground connections to chassis or faceplate, a faulty 4558 is most probable. The headphone approach is the fastest way to address this last one. If a different series of preamp chip is used, a good source for the IC datasheets in general is Digikey http://www.digikey.com and parts too.

I don't understand your question. The "Aux in" is just that an input that goes to the power amp. Please note that the Fishman Loudbox does NOT have a headphone jack so don't be disappointed as there plain isn't a headphone jack on this unit. I would recommend that you get a small headphone amplifier for the purpose... or even go to a thrift store and get an old stereo system that has a headphone jack and use that.

The fuse is inside and if it blows, there is something wrong that caused the failure and MUST be repaired as just changing the fuse MAY do additional damage.

It is available here:
http://www.fishman.com/files/sa220_user_guide.pdf

Good luck, and I hope this helps!

Best to use the line out jacks. The phone jack is stereo and you would have to use a wye cable for that.

Its possible that if you changed strings the saddle might have changed position in its slot. It has to sit uniformly on top of the piezo element in order to work properly. Try testing the pickup(piezo element) first before suspecting the preamp.