For w, Indows 7, Troubleshooting (windows 7) – Pioneer A-70-S User Manual
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Troubleshooting (Windows 7)
When using Windows XP,
; for Windows Vista,
; for Mac OS X,
.
1. No sound
Do not boot your computer’s music player program if the power is turned off to the device with the 
DIGITAL IN USB port, or if the DIGITAL IN USB port has not been selected as the input source.
Boot your computer’s music playing program only after switching the input to the DIGITAL IN USB 
port.
For information about the name of inputs supported by the DIGITAL IN USB port, see the 
Operating Instructions for this device.
1 Click on [Start]
 [Control Panel]  [System and Security].
2 Under [System], click on [Device Manager].
3 Click on [Sound, video and game controllers] and confirm that [Pioneer USB 
Audio Device] is listed.
If the [Pioneer USB Audio Device] does not appear, confirm that the DIGITAL IN USB port 
has been selected as input source. Then try reconnecting the cable or turning the power 
off and then on again; when this is done, the [Pioneer USB Audio Device] should be 
recognized.
4 Click on [Universal Serial Bus controllers], and confirm that [USB Composite
Device] is listed.
5 Click on [Start]
[Control Panel] [Hardware and Sound]  [Sound].
Procedure continues.