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Type: Posts; User: Blackdragonier

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  1. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Hello everyone.

    Thank you all for your suggestions.

    The loud speakers work just fine with my android cellphone (as headphone plugin for 3.5mm jack) and also with my laptop.

    I am still...
  2. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Hello to all.

    Mr. Brian I understood the the swapping issue you explained to me. Thank you very much for that. But if you look the picture I shared at the starting of this topic, both of my left...
  3. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Hello and thank you Mr. Brian.

    I also forgot to mention that the PSU capacitor is showing 16-17v reading.

    About changing the sides, how am I supposed to do that? Could you please elaborate on...
  4. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Update:

    Things I have done so far:

    1) Replaced IC#1 CD6282CS with new IC CD6282CS.

    2) Put back IC#2 with old IC CHMC S2702 D6282. Because I ran out of new ICs'.

    3) Still no sound...
  5. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Just a quick question:

    If I change the 3300uf 25v capacitor (current PSU capacitor) with a 2200uf 16v capacitor, will it work?

    Also, I just found a somewhat specific CHMC production D6282 IC...
  6. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Hello to all.

    And thank you all for your kind replies. I have some update and a hypothesis about the problem. I also attached link of some pictures if that might give a clear understanding.

    1....
  7. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Okay.

    Let's start from 0 again. Can anyone please explain the power supply part here? I mean what is a power supply for an audio PCB stand for. What are the requirements to make one? What are the...
  8. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Hello.

    Update:

    As ads-ee said that the IC may have been damaged, I quickly replaced the damaged IC with new ones. But still there are no audio output.

    Now I am really going blank on this...
  9. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Update:

    Things I have tried so far:

    1) I checked the IC getting hot and checkout the pins of the IC. And then I checked again with the datasheet and I came to conclusion that I misplaced the...
  10. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    I see, I found some Chinese documents on the circuit CD6282CS but not on my previous D6282. I am trying to translate the document now but still unsure about the comparison, whether that's the exact...
  11. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Okay. Audioguru. Can you please post me a pinout of the CD6282CS or my old D6282. I think I need a comparison here.

    Waiting for your reply.
    BD
  12. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Hello.

    Thank you for all of your support and specific replies. I am attaching a block diagram of my own understanding of the PCB and I worked and learnt through so far.

    After you check the...
  13. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Hi again.

    Posting in the same issue again. I just went through a lots of documentation and found multiple problems with one PCB. Like my my transistor was BR 9012 which blew up and I replaced it....
  14. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Hello.

    First of all thanks for the information sharing and suggesting. Both of my interchangeable speakers works 100% with my laptop and my cellphone.

    So, coming to the important point. I...
  15. Closed: Re: Problem with Logitech Audio PCB (No Sound Output)

    Update:

    After replacing the faulty capacitor, I used the tester screwdriver again to check if the buzzsound is produced somehow. But no sound is coming out now. Also, I remembered that the...
  16. Closed: Problem with Logitech Audio PCB (No Sound Output)

    Hi.

    I am new to this forum. If I make any mistake regarding the post, let me know.

    So, let me start with the whole story. I am using a logitech normal 2.1 stereo audio setup for my PC. Last 1...
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