Meridian America 551 manual There is hum on the LP input, There is hum on other inputs

Setting up the integrated amplifier

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.

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