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sonos Playbar won't power on

  • March 30, 2025
  • 3 replies
  • 55 views
S

Hello community, 

 

I have a playbar witch wouldn't connect. And came across this post: https://en.community.sonos.com/home-theater-229129/playbar-not-powering-on-blown-regulator-tps54226-replace-does-not-fix-it-6879440?postid=16638419#post16638419

 

2 years old but same problems with the main cpu board. TPS54226 blowen powerlane completely shorted. Pin 9 on TPS54226 is shortet to ground. Pin 9 is alsow shorter to Pin 1, 5, 8 and 10. Don't know if this right. After further investigation I found a ic with a "big" hole in it. Near the cpu. 

 

U55-Markings: IDT6V4919 8APGG 1507T A58636FMY 

Does any one have a idea were i can buy this part ? 

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3 replies

S
  • Suggercreampie
  • Author
  • Contributor I
  • March 30, 2025

 

S
  • Suggercreampie
  • Author
  • Contributor I
  • March 31, 2025

Found it!!! After messaging to the new company who buyed IDT. They said, the part who ended his time on this pcb is called IDT6V49198APGG. Currently I'm waiting for it to arrive. 

 

I'm giving a update when I change it 

buzz
  • buzz
  • March 31, 2025

Before inserting the new IC make sure that the power supply is healthy. Something wanted out of the IC very badly -- strongly suggesting a power supply problem. I wouldn’t be surprised if other IC’s have been damaged.

D
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