Dead Play:5, need schematics or tips

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It was a qualified guess that the chip was defect

i found a video online of repair of a Sonos zp100 

here he changed the usual suspects. One of was the small chip So I just did the same.  

kind regards Anders


Thx Anders, I have a Sonos 5 (rev 1), with working rectifier (diodebro), fuse not blown, but not working. All caps seems to be fine on HV side so I guess that 2QS02G could be the problem child. Any proposals on where to get this chip easiest?


Mvh / Br


I’m trying to repair my Sonos play-5 gen-1. It has a problem that others have discussed but I’ve found no posts describing a repair. I have spoken with Sonos support and they confirmed the problem and offered a discounted replacement. I’d like to repair it. I have had good luck fixing Sonos power supply problems in the past. This play-5 seems to work. I can connect and stream music to it. The problem is that the volume is barely audible, even when set to max. There are no volume limits. There’s no distortion and both channels are working. Do any of you have suggestions on how I can further pursue this? The large caps and the rectifier measure correctly. Might this still be a power supply problem or is it more likely an amplifier issue? Any help would be appreciated.




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Im going to piggyback onto this discussion to see if someone can help me out.

I have a Power supply issue with an issue on the switching side.

The unit has no power. 

Replaced most of the power side caps, rectifier, fuse, FET IC Driver, FET, (Also smt 120K resistor near the rectifier was blown.)

I feel like im close, but I have this problem where the voltage starts at 5v ramps up to 15v and then bumps back down to 5v to repeat the process.  Thought maybe a diode, but I cant find it.

When i remove the little 25v 100uf Cap between the two big filtering caps, the fluctuation goes away.  Still get no power though.


Any Thoughts?