For QT4090/15. Also, The document are for others Philips models: QC5770, QC5510, QC5365, QC5360, QC5335, QC5330, QC5135, QC5130, QC5125, QC5120, QC5115, QC5105, QT4090, QT4070, QT4050, QT4010, QG3270, QG3260, QG3250
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