Electronics > Repair

Can someone explain this circuit?

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samvivi7:
Hi experts :)

can someone plz explain the following circuit. also, i cannot identify two of the components, might be a fuse.

any help is appreciated.
Thank you.

srb1954:

--- Quote from: samvivi7 on June 05, 2023, 12:56:27 pm ---Hi experts :)

can someone plz explain the following circuit. also, i cannot identify two of the components, might be a fuse.

any help is appreciated.
Thank you.

--- End quote ---
A photo of the actual components would be more useful to help identify them.

wasedadoc:

--- Quote from: srb1954 on June 05, 2023, 05:56:52 pm ---
--- Quote from: samvivi7 on June 05, 2023, 12:56:27 pm ---Hi experts :)

can someone plz explain the following circuit. also, i cannot identify two of the components, might be a fuse.

any help is appreciated.
Thank you.

--- End quote ---
A photo of the actual components would be more useful to help identify them.

--- End quote ---
Seems you did not look at the pdf in the opening post.

MathWizard:
So the 2 little black things on a vertical trace on the left ? Do they read low resistance like a fuse or inductor ? I don't think I've ever seen diodes in that form, I think just passives get that form with the big metal end caps.

Probably fuse or fusable resistor/ small NTC they thing, or inductors, would be my guess from digital boards and their power rails.

Looks like some Vin filtering going to the Vin of the lt8631, the other side with the blocking cap could be sensing that rail's AC, or where's that trace above (between R2 C5) the cap going to ?

Niklas:
Ferrite beads

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