Acer Aspire 3750Z Service Guide - Page 46

6. Slide the USB/audio board out of its tabs. A circuit board that is >10 cm2 has been highlighted with a yellow rectangle as shown in the above image. Follow local regulations for disposing this type of circuit board. Removing the Speakers 1. Remove the rear cover by following the procedure described on page 30. 2. Remove the scaler board by following the procedure described on page 34. 3. Remove the tapes securing the speaker cables to the power supply unit. 38 Aspire Z3750 / Z3751 / Z5750 / Z5751 AIO Computer Service Guide