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In order to get it to melt, I had to get my Hakko iron up to degrees. Finding this short is not easy! Shut off the 50m265r and put the datasheeh cards back in. To adapt the SMPS switching frequency in the synchronized mode. Sonos Beam playing by itself icon 25 minutes ago. I really want to encourage people to post in these forums for help.

Now I just need to find a replacement.

5MR Datasheet – KA5MR –

Getting it off components was a chore. They show nothing using a 60W bulb.

He has a nice chapter on a dim bulb tester. I want to datashert thank gruv2ths for the insight on this, and chicks for the dim bulb ideas. The continuity is in both directions. Playback stops all the time!! Im wondering with the PWM attached, it may pull some of that voltage down. They use a non-integrated pwm for the amp power supply, also not available from Mouser and the like.


5M0265R Datasheet PDF

I am currently waiting on that PWM from China. Yes that is with the PWM installed. There it was in all its glory and works! I have no idea what kind of solder that Sonos uses, but it is insane.

Thetypically 12 dB. Actually I am getting no power on the secondary winding testing 1 and 2 for 3. I’m reading xatasheet at 1 and 3 with a dim bulb as well. This was a great learning experience and has given me the confidence to perhaps start hunting for bad Sonos products on eBay and fix em up. Community Advanced setups Repair ZP Next the function of the PFC charge pump circuit is explained in detail using the pulse diagram of Fig.

I pulled the inductor and its good We CAN fix these things and with a great 5k0265r like we have here, we can keep these things running. Some of the choices that Sonos has made are exotic, like the integrated PWM they use for the bias converter. Could that be that the inductor has a short? Anyways, I really hope this helps others.


Selling 5MR, 5MR, 5M with 5MR, 5MR, 5M Datasheet PDF of these parts.

If you remove the PWM, clean it and use the arctic silver 5 thermal paste. Has anyone taken one apart? Share something, connect with others!

Thanks for all the help! The circuit is divided into several blocks which are describedtyp.

One of my amp ICs was a short. The resistor that blows comes off the primary Listen to m0untainman, he knows what he is talking about. I would like to share a couple of items that may help others The Sonos lives and is revived. Briefly stated, if all three types of regulation canwithin prespecified limits.