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Ho bisogno di assistenza per riparare un circuito stampato (PCB) di una cuffia silent disco. Il problema principale del PCB è che non si sente da un lato l'audio o da ambo i lati, alcune volte per ripararla era sufficiente sostituire il trimmer del volume o lo speaker, in questo caso invece sia sostituendo l'uno che l'altro il problema non si risolve, in altri casi il volume è molto basso. Ho fatto dei tentativi di sostituzione del chip di aplificazione ma senza esito, perciò non riesco a capire dove possa essere il problema. Requisiti: - Esperienza con la riparazione di PCB - Capacità di diagnosticare problemi senza uno schema elettrico - Familiarità con i circuiti di cuffie sarebbe un vantaggio Non ho gli schemi ma ho possibilità di fare delle foto del circuito e dare i dati dei componenti presenti.
Project ID: 40534880
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Active 7 days ago
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3 freelancers are bidding on average €29 EUR/hour for this job

Hi, We are available to take this on and get your silent disco PCB working perfectly. The main issue with these types of circuits is usually related to signal path interruptions or impedance mismatches that are not immediately obvious when looking at the components alone. Are you planning to have us perform a multi-point voltage check, or would you prefer we focus on signal tracing from the input to the amplification stage first? We recently fixed a similar set of audio boards for a local event production firm that had intermittent sound issues on both channels. We utilized diagnostic signal tracing to isolate the break in the PCB traces, which allowed us to identify a faulty capacitor that was grounding the signal prematurely. We corrected the signal flow, restored consistent volume output, and ensured the connection stability was robust for their heavy-duty equipment. Our fix resolved the audio dropouts and restored full functionality across all their units. We are eager to discuss the project further. Reach out to initiate a conversation! Best regards, Quantum Code Solutions
€25 EUR in 40 days
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venturina, Italy
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Member since Apr 24, 2019
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