T+A PH HV MM, User Manual

Page: 22 / 28

22
Troubleshooting
Many problems have a simple cause and a correspondingly simple solution. The following
section describes a few difficulties you may encounter, and the measures you need to take to
cure them. If you find it impossible to solve a problem with the help of these notes please
disconnect the unit from the mains and ask your authorized

specialist dealer for advice.
The Playback volume is
too low compared to other
sources.
Cause:
The input sensitivity is not correctly adjusted.
Remedy:
Change the input sensitivity on both channels to a lower value.
The sound is too bright or
too dull.
Cause:
The input capacitance is not correctly adjusted.
Remedy:
Change the input capacitance on both channels to match the
requirements of your cartridge.
The audio signal is
extremely low in volume
and noisy.
Cause:
The cartridge is an MC (Moving Coil) system and the phono
preamp is a MM version.
Remedy:
Please use the correct phono preamp version suitable for your
pick-up system.
The audio signal is
extremely loud and the
sound is distorted.
Cause:
The cartridge is an MM (Moving Magnet) system and the
phono preamp is a MC version.
Remedy:
Please use the correct phono preamp version suitable for your
pick-up system.
Loud humming noise from
the loudspeakers.
Cause 1:
Poor contact between the RCA or XLR plugs and sockets, or a
faulty cable.
Remedy:
Please check all connections and cables thoroughly.
Cause 2:
The turntable or a device connected to it is not earthed.
Remedy:
Connect a separate chassis earth wire from turntable to
PA 3000 HV .