Meridian America 551 - Manual (Page 36)

Setting up the integrated amplifier
32
Communication is not working
between the 551 Integrated Amplifier
and other Meridian products
❍ Check that all products are interconnected using the correct
comms leads.
❍ If the installation includes 200 Series or 600 Series units,
check that all 500 Series units are set to 200 mode.
There is hum on the LP input
The LP input is the most sensitive input on the integrated
amplifier.
❍ Check that the tone arm is connected to the technical ground
of the integrated amplifier.
❍ Check that the tone arm is connected to the power ground in
the turntable.
❍ If you are using a magnetic pickup, check that there is not
another piece of equipment too near to the turntable or the
left-hand side of the integrated amplifier. If so, re-position the
equipment to cure the problem.
There is hum on other inputs
❍ Check your other equipment.
❍ If you are unable to cure the problem consult your dealer.
There is interference on the radio and/
or television when the integrated
amplifier is switched on
Before following the steps below, ensure all units are switched
off.
If this equipment does cause or suffer from interference to/from
radio or television reception then the following measures should
be tried:
❍ Reorient the receiving aerial (or antenna) or route the antenna
cable of the receiver as far as possible from the 551
Integrated Amplifier and its cabling.
❍ Ensure that the receiver uses well-screened antenna cable.
❍ Relocate the receiver with respect to the integrated amplifier.
❍ Connect the receiver and this product to different AC outlets.