J D S L A B S . C O M
6
P O W E R A D A P T E R S
ATTENTION:
Incorrect power adapters can result in capacitor
explosion hazards and device damage. Only use the power adapter
included with your Atom DAC+:
Type: AC-to-AC Transformer
Output Voltage: 15-16 VAC
Current: Minimum 500mA
Connector: 2.1x55.mm (ID x OD)
Troubleshooting
No USB device or “Failed to Play Audio”
Cause:
USB device is not initialized.
Solution:
Disconnect and reconnect power cable to reset the USB device.
No sound in one channel
Cause:
Bad cable, or incorrect computer settings.
Solution:
Check balance settings; try another headphone or RCA cable. So
me macOS syst
ems
will pan audio to the left channel upon initial connection of a DAC. User must restore balance
to center.
Audio is muted after resuming from sleep or hibernate in Windows 10
Cause:
Microsoft USB Audio 2.0 driver bug.
Solution:
Install XMOS drivers, as per page 5.
Light is off, but USB device is present
Cause:
Atom DAC
+
is designed to enter standby mode after 15 minutes of inactivity.
Solution:
Atom DAC
+
will wake up when audio is played.
Light is off and no USB device is detected
Cause:
Rapid power cycling, or loss of power.
Solution:
Disconnect power cable
or use Rocker Switch to power off for at least 5 seconds.
I
f behavior
persists, please see
jdslabs.com/troubleshooting
.