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.

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

• Do not use a USB hub.

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