Sony SRS-X9 - Manual (Page 136)

Personal Audio System
SRS-X9
Power supply
Unable to turn on the speaker
None of the speaker buttons can be operated.
The speaker has entered standby mode or BLUETOOTH/Network standby mode unexpectedly.
The power indicator does not turn off after disconnecting the AC power cord.
Notes on use
4-535-194-11(3)
Copyright 2014 Sony Corporation
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