Sony SWF-BR100 Service Manual page 38

SWF-BR100
TROUBLESHOOTING
Flow of symptom check, operation check Wireless Transceiver (UWT-BR100)
Potential symptom: No sound, intermittent sound, noise, strange sound.
Note: Please check it without less RF interferences. Please connect Wireless Transceiver (UWT-BR100) to PC, if there is no TV. Please refer to the technical
information (DI-Net: DIG0003217) issued separately for how to use PC.
It can duplicate the symptom
in service center.
Yes
It can wireless connection
between Wireless Transceiver
(UWT-BR100) and subwoofer.
(Keep lighting green or amber
of both LED)
Yes
1. Replace the Audio cable.
2. Replace the Wireless
Transceiver (UWT-BR100).
Not improved
Refer to "Flow of subwoofer
internal analysis: POWER
board" on page 3.
2
Check the environmental condition of customer.
No
No RF interferences (5.2/5.8GHz bands)
Not in use of USB extension cable or USB hub to
connection between Wireless Transceiver (UWT-
BR100) and TV (Not guaranteed)
Not in use of other Audio cable between Wireless
Transceiver (UWT-BR100) and TV (Not guaranteed)
Correct settings of TV (Especially Headphone/
Audio out setting)
No
Check the LED status of
subwoofer.
In case of turned off, press
the power button once.
In case of lighting red, press
the power button twice.
Blinking
Green
Reset the Wireless Transceiver (UWT-BR100).
There are two method to reset Wireless Transceiver (UWT-BR100).
Send "Reset" command to Wireless Transceiver (UWT-BR100) using PC application.
Please refer to the technical information (DI-Net: DIG0003217) issued separately for how to
use PC application (how to send the command).
Press and hold [SECURE] button of Wireless Transceiver (UWT-BR100), about 15 seconds.
Note: Applicable only for firmware version of Wireless Transceiver (UWT-BR100) is "FW0201"
or later.
(Please refer to the technical information (DI-Net: DIG0003217) issued separately for how
to check firmware version)
(Applicable only for Suffix No. of Wireless Transceiver (UWT-BR100) is -22/-32 or later:
refer to following figure)
Wireless Transceiver (UWT-BR100)
Not improved
Replace the Wireless
Transceiver (UWT-BR100).
Not improved
Refer to "Flow of subwoofer
internal analysis: POWER
board" on page 3.
Blinking
Secure Link is canceled and
Amber
it is checked whether symptom
has improved.
(Press and hold [SECURE]
button of Wireless Transceiver
(UWT-BR100) and subwoofer,
more than 5 seconds)
Not improved
Please confirm QR code label stick on
the Wireless Transceiver (UWT-BR100).
First 2 digits show Suffix No. of Wireless
Transceiver (UWT-BR100).
22BYS1142J004
22, or 32 or later : Can be reset by press and hold
the [SECURE] button.
21, or earlier 31 : Can not be reset by press and
hold the [SECURE] button.