The battery cannot be charged; the charge indicator flashes.

• Check the connections between the headphones, the micro-USB cable, and the computer.

• Use the micro-USB cable supplied with the system.

• There is something wrong with the rechargeable battery. Consult your nearest Sony dealer.

• Charge the battery in an ambient temperature range of between 5 °C and 35 °C (between 41 °F and 95 °F).

• Make sure that the computer is turned on, and does not turn to standby mode.

• Do not use a USB hub.

• When you cannot charge the headphones with a computer, use an AC-UD11 USB Charging AC Power Adaptor (sold separately).

No signal is output from the TV (OPT) OUT (THROUGH) jack of the processor.