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Can anyone please confirm these 4 encircled components? I think the power requirement is 4.

Dahasheet sure but I think the picture was originally posted here; http: Click here to register now. It was able to supply the current but lot of static noise was there. Can’t spot any datasheet for that IC in a quick search. I can see a red red blk 22ohms and the other is 4 7 something.

Creative A520 Speaker, burnt power supply in lightning

Potentiometer Questions Started by norbss Yesterday at Here are the photos of the controller board. Why not build your own linear supply? It could also be the card scheme. The exact function of it I can not tell.

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Solder Guy New Member Jun 13, I need to know if someone could post the picture here that card so I can identify it and then search to try to find itbecause without knowing their identification can not. I also figured out the diode to be a 1N high speed one. Also the copper in some speaker wires had black dust carbon? Just saying hello Started by MichaelaJoy Yesterday at 6: My current guess is 4 burnt parts right to left: Media New media New comments Search media.


I took the liberty to indicate the missing component of the position. As it was mentioned, your best bet is to find someone who has the same unit. Any news about the missing component of the identification of the main board? By continuing to use this site, you are consenting to our use of cookies.

Basically I wanted to learn about SMPS circuits after it blew up and it has helped a lot in that regard. The link is broken. The FET I believe has been mentioned already.

Solder Guy New Member Sep 20, I guess it means it can withstand high voltage but not sure. The optocoupler has some lines on the edges. I guess the adapter is unable to supply enough current. Welcome to our site! Forums New posts Search forums. Started by fastline Yesterday at 8: I can see two resistors and a zener diode as burnt: That’s my last resort.

This component has 9 contacts on the board. I appreciate if you can cooperate.

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Can someone please tell me the value of the resistor R4the diode D5 and the light blue capacitor. It will switch off when the computer goes to sleep. Thank you very much. Now just the resistors need trial and error. Please help me figure it out.


Use the ‘Upload a file’ button to upload the image to this site. I also tried to power it using 12V rail from my desktop power supply. To participate you need to register.

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Umair Hussain New Member May 27, You must log in or register to reply here.

There’s a good chance the IC is fried too: Articles Top Articles Search resources. In the mean time, there is a hi-res picture of exact power supply happened cr6853r be posted on a Turkish forum! I am trying to repair the power supply but cannot figure out the values of the burnt parts.

I think I can put some combination of inductor and capacitor to filter it and then dataeheet speaker will work even better with it. The power supply of my Creative A speaker system got nuked in lightning. Creative A Speaker, burnt power supply in lightning.

I would have never thought about the Turkish forum. Thanks a lot guys.