audiopraise VanityPRO Benutzerhandbuch - Seite 17
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Troubleshooting
The Vanity
PRO
implements a robust system of its own health monitoring. The status and
functionality of all major components is continuously monitored and reported in the System Status
screen. Should the user experience any non-standard or unexpected behaviour, diagnosing the
potential issue is easy and straight forward.
Before a fault is suspected, the user should make sure that the unit is correctly installed,
the power, HDMI and digital audio cables are properly connected and secured (BNC connectors).
Also, the HDMI source should be checked for correct operation and configuration. The Vanity
might not be receiving the expected audio format, sampling frequency or any audio at all due to
incorrect configuration of the HDMI source – universal player, streamer, or computer. With
computers, the HDMI audio support is sometimes restricted or non-existent due to software
drivers. The Vanity
PRO
players with positive results. With Windows based PCs, getting the HDMI audio to work sometimes
required trial & error experiments with HDMI audio drivers and settings.
The table below contains a non-exhaustive list of some issues the user might experience,
mainly due to large variability in device configurations the Vanity
Issue
HDMI Error reported at start
up.
Audio sampling frequency
indicator remains orange.
No audio from downstream
DAC, or DAC unlocked.
Occasional dropouts in
reproduced audio
Note 1
: The user might experience occasional dropouts in the audio signal with a DAC based on a ESS (Sabre) DAC chip.
The jitter attenuation function of this chip called DPLL has several settings and with certain combinations of the DAC's
local oscillator and the DPLL setting the DAC chip may momentarily unlock when the Vanity
clock. Many ESS chip-based DACs have the DPLL settings exposed to the user and using a lower DPLL setting usually fixes
the problem.
has been extensively tested with many different Blu-ray and universal
Possible cause
HDMI part has no power.
HDMI source signal is
unstable or outside of
frequency stability
specifications.
SPDIF/AES cable not
connected or audio
sampling frequency too
DAC with ESS chip might be
too sensitive to frequency
adjustments. See Note 1.
Page 17 of 19
PRO
Check power connection for
the HDMI part and reboot
Use different HDMI signal
Check the connections. Set
DSD to PCM sampling
frequency to 88.2kHz
high.
Consult the user manual of
– User Manual v1.2
Vanity
PRO
can be used with.
Solution
the unit.
source.
your DAC for DPLL
adjustment.
PRO
is adjusting its own audio
PRO